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FEBRUARY 2020 WWW.ESEMAG.COM @ESEMAG

2020 GUIDE TO

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CONTENTS

  February 2020 • Vol. 33 No. 1 • ISSN-0835-605X

Editor and Publisher STEVE DAVEY steve@esemag.com Managing Editor PETER DAVEY peter@esemag.com Sales Director PENNY DAVEY penny@esemag.com ales Representative DENISE SIMPSON S denise@esemag.com Accounting SANDRA DAVEY sandra@esemag.com Design & Production MIGUEL AGAWIN production@esemag.com Circulation BRIAN GILLETT ese@mysubscription.ca

TECHNICAL ADVISORY BOARD Archis Ambulkar, OCT Water Quality Academy Gary Burrows, City of London Patrick Coleman, Black & Veatch Bill De Angelis, Metrolinx Mohammed Elenany, Urban Systems William Fernandes, City of Toronto Marie Meunier, John Meunier Inc., Québec Tony Petrucci, Civica Infrastructure

Environmental Science & Engineering is a bi‑monthly business publication of Environmental Science & Engineering Publications Inc. An all Canadian publication, ES&E provides authoritative editorial coverage of Canada’s municipal and industrial environmental control systems and drinking water treatment and distribution. Readers include consulting engineers, industrial plant managers and engineers, key municipal, provincial and federal environmental officials, water and wastewater plant operators and contractors. Information contained in ES&E has been compiled from sources believed to be correct. ES&E cannot be responsible for the accuracy of articles or other editorial matter. Articles in this magazine are intended to provide information rather than give legal or other professional advice.

28

48 FEATURES 6 12 14 18 20 24 26 28 34 36 38 40 46 48 54 56 59 60 66

Canadian Publications Mail Sales Second Class Mail Product Agreement No. 40065446 Registration No. 7750

2020 GUIDE TO

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Subscription Changes? Please email reader subscription changes to ese@mysubscription.ca, or call 705-502-0024. Environmental Science & Engineering 220 Industrial Pkwy. S., Unit 30 Aurora, Ontario  L4G 3V6 Tel: (905)727-4666 Website: www.esemag.com A Supporting Publication of

Cold climate issues challenge water and wastewater sector professionals Report looks to create clear standard for reducing excess I/I for new sewers It is important to monitor the condition of aging asbestos cement watermains The right equipment helps WWTPs cope with the unknowns of septage receiving Mobile district metered area testing helps cut watermain leak losses Finding the right stormwater management system for a mixed-use development Protecting a northern mine leachate spillway with concrete canvas Valuable lessons learned while replacing an aging watermain Demographic reality catching up to WWTPs Northern communities could benefit from renewable energy systems The search for lower cost water sources in the Arctic Cold water nitrification and cyanides removal for mining wastewaters Automation helps maintain water tank levels and prevent freezing in colder climates Addressing Iqaluit’s water emergency with innovative engineering and ecosystem protection –Cover story Scientific assessments of climate change in northern regions New monitoring technologies enable biogas plants to optimize their efficiency Cloud-based alarm and monitoring systems cut costs, while improving productivity Analyzing heating requirements for mesophilic and thermophilic biosolids digestion Dawson City’s new water plant designed with resilience in mind

Environmental Consultants....72

DEPARTMENTS 8 69 96

Environmental News Product Showcase Ad Index

www.esemag.com @ESEMAG 4  | February 2020

Equipment & Service Suppliers....78

Cover photo by Matthew Follett Stantec

Environmental Science and Engineering Magazine


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EDITORIAL COMMENT BY STEVE DAVEY

Cold climate issues challenge water and wastewater sector professionals

T

his issue of ES&E Magazine takes a look at some of the into the past as it continually tries to maintain the original unique challenges faced by water and wastewater systems look and feel of its Klondike era. Its existing water treatment in cold climates and remote locations. I continue to plant did not meet the Canadian Drinking Water Quality be impressed at the ingenuity shown by engineers and Guidelines for well water. As outlined in “Dawson City’s New others in these sectors in developing solutions to these oftenWater Plant Designed with Resilience in Mind” (Page 53), a new complex situations. plant, designed with the Gold Rush theme, was built. Due to As explained in the article “Northern Communities Could the cold climate environment, insulated HDPE material was Benefit From Renewable Energy Systems” (Page 36), diesel used for the extensive civil piping outside the water treatment power generation and heating, which is very expensive and plant, and heat tracing was used for aboveground piping. environmentally unfriendly, has been the standard in remote Treating industrial wastewaters in cold climates also and northern community water and wastewater plants for presents many challenges to designers and owners. “Cold many years. Water Nitrification and Cyanides Removal for Mining Wastewaters” Chris Henderson, executive director of the non-profit (Page 40) explains that effluent from the wastewater treatment Indigenous Clean Energy (ICE) Social Enterprise started plant at the Eleonore gold mine in northern Quebec was the 20-20 Catalysts Program, which assists Canadian First periodically showing toxicity to rainbow trout and greater Nations communities wanting to replace diesel. He says that daphnia, even when all metal concentrations were below while there are certainly obstacles to overcome, Canada is on regulated levels. the cusp of a northern energy revolution. New investment is The suspected cause of toxicity was a combination of being committed to cleaner energy technologies in remote cyanates and ammonia. It was proposed to add a MBBR to the communities countrywide. treatment plant. A pilot plant was installed and successfully In his article “The Search for Lower Cost Water Sources demonstrated that the water after treatment was no longer in the Arctic” (Page 38), author Ken Johnson explains that toxic, even when the effluent was cold. decentralized wastewater and water re-use technology has provided a low-cost way of treating wastewater for rural homes COPING WITH A RETIRING WORKFORCE in the south since the 1940s, but not in the north. The City of This issue marks the beginning of a new decade during Yellowknife commissioned a study to compare the cost over a which a retiring workforce in the wastewater sector will 20-year period for a typical residential piped water and sewer increasingly leave a gap in the knowledge about operating and system and a water re-use system. It concluded that water maintaining treatment plants. re-use could save approximately 40% of the overall cost. As outlined in “Demographic Reality Catching up to WWTPs” The State of Alaska has initiated an ambitious program to (Page 34), an Ontario municipality recently undertook develop a secure, safe and cost-effective source of at least 55 preemptive actions to update plant O&M manuals, monitoring litres of running water per person, per day in a four-person protocols, troubleshooting and emergency response household. If successful, the hope is this program’s findings procedures, review plant performance, and provide process could be used in northern Canadian communities as well. training for plant staff. This issue’s cover story “Addressing Iqaluit’s Water Emergency with Innovative Engineering and Ecosystem Protection” (Page DIRECTORY & BUYERS’ GUIDE 48) explains that as the population of Iqaluit grows and as a This issue also contains ES&E’s comprehensive Guide to result of aging infrastructure losses, water demand has been Consultants and Equipment/Service Suppliers (Pages 72 – 96) increasing. Each year, the city is at risk of an over-winter water which many readers find useful to quickly source who and what shortage. they need. I encourage you to use it. Over the past several years, more than 80% of the available water stored within Lake Geraldine, which serves as Iqaluit’s Steve Davey is the editor and publisher water reservoir, has been used over the winter. This leaves little of ES&E Magazine. Email comments to: for unanticipated uses of water, such as major leaks or firefighting. steve@esemag.com. Engineers have designed systems to supplement water from the Apex River watershed to Lake Geraldine. In 2019, approximately 460,000 m3 of water was transferred from Unnamed Lake to the Apex River, and 570,000 m3 were transferred from Apex River to Lake Geraldine in just over one month. Home of the Yukon Gold Rush, Dawson City offers a look 6  | February 2020

Environmental Science & Engineering Magazine


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ES&E NEWS MB INTRODUCES INTERIM PHOSPHOROUS REDUCTION AND NUTRIENT REMOVAL PLAN

Recently, the province of Manitoba and City of Winnipeg released the Interim Phosphorous Reduction and Nutrient Removal Implementation Plan. The Project Technical Committee has reached consensus on the scope of work for 2020, which also includes testing for interim phosphorous removal to determine how much additional phosphorous can be removed from the city’s wastewater. The report was a collaborative work between the province and the city of Winnipeg, along with advisory input from stakeholder groups Lake Winnipeg Foundation, International Institute of Sustainable Development, Lake Winnipeg Indigenous Collective and South Basin Mayors and Reeves, It includes an overview of all three phases of Winnipeg’s plan for the North End Winnipeg Pollution Control Centre (NEWPCC) project, including cost estimates and preliminary time frame for completion of upgrades. Both the province and the city are committed to expediting the schedule whenever possible and will continue to identify opportunities to implement nutrient removal as soon as possible. Winnipeg’s existing nutrient removal plan has been in progress since the NEWPCC Master Plan was approved in 2014. Phase 1 will see the power supply upgrade completed in 2020 and a request for proposals on a design-build contract for

the headworks facility will be issued in 2020. Phase 2 will see design work initiated in 2020, following city council’s approval of 2020-23 sewer rates. www.gov.mb.ca

NEW REPORT ON FUTURE OF PLASTIC RECYCLING

The economics of plastic waste recycling are rapidly changing, pointing to a future where both incumbent and advanced technologies will be used, but decisive advantages for certain technologies will emerge in particular regions depending on waste streams and legislation, according to a recent Lux Research report. The Future of Plastic Recycling looks at mechanical recycling, depolymerization, pyrolysis and solvent-based recycling , and analyzes the factors impacting the economic viability of each. Lux points to a near-term future where no one technology takes a commanding market lead and where market conditions and global public policy will significantly impact each technology. The report aims to provide recyclers, chemical and material companies, government entities, investors, and consumer-facing brands the insight they need to make critical business and public policy decisions. “The economics of plastic waste recycling are in continuous flux, with political and economic winds impacting the direction of the four main recycling technologies,” said Charles Willard, Lux Senior Research Associate and author of the report. www.luxresearchinc.com

PEEL WORKING TO UPDATE ITS W AND WW MASTER PLAN

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Ontario’s Region of Peel has initiated an update of its water and wastewater master plan. Lake Ontario is the Region’s source of drinking water and the discharge point for its treated wastewater. As such, the plan update primarily aims to identify a preferred lake-based water and wastewater servicing strategy to support existing servicing needs and projected growth for the region. “The study will incorporate the latest planning information, modelling tools, historical flow/demand data and servicing studies to complete a full review and update of the servicing strategies,” officials said in a recent notice about the Master Plan update. It will also review the Region’s capital plan to meet the current servicing agreements with York Region and the City of Toronto. Region officials are predicting a 40% increase in population by 2041, resulting in 2.94 million residents. The new Master Plan must determine how the Region’s water and wastewater infrastructure will support growth in a sustainable and financially responsible manner.

CORNWALL SAYS CITIES NEED PROTECTION The Ontario City of Cornwall wants municipalities to be legally protected if the provincial government makes a deci-

w

continued overleaf…

8  | February 2020

Environmental Science & Engineering Magazine


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Sewage sludge dewatering offers a wide range of potential savings for operators of wastewater treatment plants. The cost of transport and disposal of dewatered solids can amount to as much as 80% of the operating costs of mechanical dewatering. Since dryer solids result in less volume for disposal, the decision to invest in an efficient, reliable and, above all, peakperforming dewatering system is critically important to reducing operating costs.

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ES&E NEWS sion that could negatively impact water quality. Councilor Syd Gardiner introduced the resolution to Cornwall City Council with the hope of taking it to the Association of Municipalities of Ontario for broader support. “We can be sued; we can go to jail, because it’s our responsibility,” Gardiner told fellow councilors at a December 2019 meeting. The motion acts as a preemptive measure against Ontario’s proposed omnibus Bill 132, Better for People, Smarter for Business Act, 2019, which aims to simplify and modernize regulations to lower the costs of doing business and make it easier to interact with government. Gardiner explained that the Safe Drinking Water Act and the Aggregate Resources Act would be directly impacted by the province’s proposal and that drinking water sources could become contaminated due to a provincial decision such as an aggregate extraction permit, for instance. “We’re responsible for anything that happens to our water, and we don’t have any say in how it’s going to be done,” Gardiner added. Proposed amendments to the Aggregate Resources Act raise the bar by requiring an application process where below water table level extraction is proposed, explained Gardiner, who expressed concern about water contamination. “This still leaves municipal council members vulnerable,” he warned in his written motion.

ALBERTA VILLAGE SHUTS DOWN PROBLEMATIC NEW WASTEWATER SYSTEM FOR WINTER

numerous concerns raised. These include pressure testing and implementation testing, freezing of wastewater lines, warMunicipal officials have decided to ranty and ongoing maintenance requireshut down and winterize the Summer ments and potential leakage. The shutVillage of Ma-Me-O Beach’s new prob- down is planned from January 6 until lem-plagued wastewater system. out of April 15, 2020. The village will cover costs fear that it could freeze in the same way for the residential pump-outs. its lines did the year before. In a December 2019 notice to taxpayers, officials stated that the just over 100 STUDY AIMS TO QUANTIFY residents would have to have their hold- POTENTIAL FOR WASTEWATER ing tanks pumped out because the sys- NUTRIENT RECOVERY tem contractor warned that critical heat A new international study aims to protracing repairs would not be able to be vide insights into the global and regional completed by the end of 2019. “Every potential of the some 380 billion m3 of property connecting to the system is wastewater produced annually around required to provide a heat trace cable the world as water, nutrient and energy from the pump system on their property sources, as well as the economic returns to the main line, at the time of installa- and environmental benefits its proper tion of the individual services,” states a management could represent. recent report on the wastewater system. The paper, “Global and regional potenThe $3-million wastewater system tial of wastewater as a water, nutrient finally came on line for the village in and energy source”, offers important 2018, after a nearly 30-year debate over approximations of global and regional how best to address waste. Many resi- wastewater volumes and insights into its dents within the village didn’t see the potential benefits, despite the fact that in need for a wastewater facility and balked many countries official data on wastewaat the cost to connect to the greywater ter is often scattered, poorly monitored line. The proposal for the wastewater and reported, or simply unavailable. facility came less than five years after resWastewater production globally is idents were required to install $10,000 expected to increase by 24% by 2030 and holding tanks, which some residents 51% by 2050, the paper states. “Municipal wastewater is of increasing eventually found odorous. interest within the Water–Energy–Food According to a report on the wastewanexus, given that it allows the recovter plant’s latest issues, there have been

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Environmental Science & Engineering Magazine


ES&E NEWS ery of all three resources – water, energy and nutrients for crop production,” the paper’s introduction states. Among major nutrients, annual global wastewater production contains 16.6 Tg (Tg = 1 million metric tons) of nitrogen; 3.0 Tg of phosphorus; and 6.3 Tg of potassium. The full nutrient recovery from wastewater would offset 13.4% of the global demand for these nutrients in agriculture, the study found. Based on reasonable global demand, the recovery of these nutrients from wastewater could result in revenue generation of $13.6 billion globally, with $9 billion from the recovery of nitrogen, $2.3 billion from phosphorus and $2.3 billion from potassium. The study was funded by the Government of Canada and the UN University Institute for Water, Environment and Health.

‘DO NOT FLUSH’ WIPES LABELLING BILL MAKING HEADWAY IN CALIFORNIA

The Bill is expected to face heavy opposition from industry lobbyists as it heads to the California Assembly and Senate. In its debates at the Assembly Appropriations Committee, where companies had some input on language, many references in the Bill to wipe products containing microplastics were removed. The Bill originally required that wipes labeled “flushable” meet the flushability specifications of the International Water Services Flushability Group. This requirement was removed from the current version of the Bill, resulting in the wipes industry lessening opposition to the legislation.

CRUISE SHIP SCRUBBER DISCHARGES MAY ENDANGER B.C.’S REMAINING KILLER WHALES

2017, essentially turning air pollution into marine pollution. Remarkably, the 35 million tonnes of effluent came from just 30 cruise ships, the study found. The washwater effluent (a mix of water and contaminants from the heavy fuel oil) comes from “open-loop” scrubbers that immediately dispose of acidic washwater tainted with carcinogens and heavy metals into the ocean, as well as “hybrid” systems that allow ship operators to control when discharge is released into the ocean after storing it. The study, “A whale of a problem? Heavy fuel oil, exhaust gas cleaning systems, and British Columbia’s resident killer whales,” was released by the International Council on Clean Transportation. It was funded by World Wildlife Fund (WWF) Canada.

A recent study has found that British Columbia cruise ships dumped nearly 35 million tonnes of exhaust gas cleaning system effluent into coastal waters over

California legislators have shown early support for a critical environmental Bill to rebrand hygienic wet wipes marked “flushable” with written warnings about potential clogs. Bill AB 1672, which covers all disposable wet wipes and flushable wipes frequently used for infant care, and by adults wanting a hygienic alternative to toilet paper, has passed a critical committee vote and is headed to the California State Assembly for further debate. The Bill was approved by a vote of 58-18 on the Assembly floor on January 30, after its introduction in February 2019. The Bill calls for the labelling change on January 1, 2021, at which time “certain non-woven disposal products” would need “to be labeled clearly and conspicuously to communicate that they should not be flushed, as specified.” This could potentially result in manufacturers adding a clearly visible “Do Not Flush” logo on their packaging. The logo would have to be in high contrast to other package artwork and easily visible to consumers, as with a similar Bill making headway in Washington, heading towards a vote on the House floor. www.esemag.com @ESEMAG

February 2020  |  11


By Barbara Robinson, Dan Sandink and David Lapp

WASTEWATER November 2019

Report looks to create clear standard for reducing excess I/I for new sewers

A

recent report compiles methods that can be applied when sewers are first constructed to limit the risk of leakage, highlighting the need for resilient infrastructure in an age of climate change where extreme rainfall has risen sharply. According to the multi-stakeholder report, “Reducing the Risk of Inflow and Infiltration (I/I) in New Sewer Construction”, every year across Canada, billions of litres of clean rain and groundwater leak or flow into sanitary sewers and on to sewage treatment plants. “This entry of excess water into sewers – referred to as Inflow/Infiltration (I/I) – shortens the lifespan of pipes, takes up capacity in the sewage network, and drives up costs for Left images: Reducing the Risk of Inflow and Infiltration (I/I) in New Sewer Construction is a new report from Norton Engineering, the Institute for Catastrophic Loss Reduction, Engineers Canada, and the Standards Council of Canada. Credit: Standards Council of Canada

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governments and taxpayers,” states the report from Norton Engineering, the Institute for Catastrophic Loss Reduction, Engineers Canada, and the Standards Council of Canada. “Recent research in Ontario suggests that excessive I/I occurs even in new sewer systems which, if built properly, should be essentially leak-free,” adds the report, which is intended to form the basis for a new National Standard of Canada. An initial review of flow monitoring data for 35 new subdivisions in southern Ontario indicated that 34 of them demonstrated excessive I/I rates, the report found. Addressing I/I in existing systems is a long, costly and frequently frustrating process, and the return on investment of this type of work is not often favourable, the report states. The solution, suggests the national stakeholder input incorporated into the foundational document, is to address root causes of I/I during construction of new infrastructure. “Mitigating I/I in new construction will require concerted action on both the private and municipal sides of the property line by everyone involved in the development of new subdivisions, from conception to final acceptance,” the report’s authors state. To highlight just a couple of the many examples on the private property side of the equation, the report refers to a pilot study in London, Ontario, which indicated that disconnecting foundation drainage systems had a substantial impact on managing I/I in a subdivision previously affected by basement flood hazards. Additionally, the report warns that private residents can connect or reconnect sump pumps, weeping tiles and sometimes roof drainage (in older homes where former connections existed) into the sanitary sewer. These types of connections are illegal in most jurisdictions in Canada as they directly contribute to the I/I problem. When it comes to mitigating the public side of the I/I issue, the report has a long list of suggestions, including: municipalities maintaining, updating and regularly calibrating sanitary sewer system models; enforcement of sewer use bylaw provisions; as well as consideration for having the mainline sewer www.esemag.com @ESEMAG

contractor construct the private lateral in order to reduce I/I risk. It also stresses that sewers and maintenance holes that must be located in high water conditions should be designed to water system standards for watertightness. “Sewers overburdened by excess water limit the potential for new and expanded development in Canada’s urban areas and increases the risk of flooding and

environmental damage,” says Chantal Guay, CEO of the Standards Council of Canada. “This report is an important step toward establishing a clear national standard for preventing unacceptable I/I. Put into practice, this knowledge will save public money, reduce the risk of basement sewer backups, and contribute to more resilient urban infrastructure in Canada,” she added.

February 2020  |  13


INFRASTRUCTURE Most of the AC pipes in North America were installed after the transition to the Type II steam autoclaved AC pipe, which occurred in the 1940s. Type II pipes manufactured in North America were made using 15% – 20% of asbestos, 45% – 51% of Portland cement, 32% – 34% of quartz (which contains mainly silicon oxide) and contained less than 1% of free lime (Nebesar and Riley 1983).

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It is important to monitor the condition of aging asbestos cement watermains By Rabia Mady

T

he use of asbestos cement (AC) material to manufacture pipes began in the early nineteenth century in Genoa, Italy. Dr. A. Mazza, the president of Eternit Pietra Atrificiale S.P.A of Genoa, established a factory in 1907 to produce AC roofing material under the process invented by L.Hatschek. In 1911, Dr. Mazza started experimenting with the manufacturing of AC pipes and in 1916 production began on a commercial basis. AC pipes were first introduced in North America in 1929 when Johns-Manville Corporation installed an AC pipe manufacturing machine (Hu et al. 2013). Problems with rust formation in galvanized steel led to the exploration of other pipe material, including AC pipes, for use in potable watermains during the 1940s, ’50s and ’60s. However, due to health concerns asso14  |  February 2020

ciated with their manufacturing process, and the possible resale of asbestos fibres from deteriorated pipes, AC pipes were largely discontinued in North America and their use was stopped in the 1980s. Although they were discontinued in North America, a significant portion (an estimated 16% – 18%) of the water distribution system in North America is still made of them. AC pipes can be classified into two categories, Type I and Type II. Type I contains 20% asbestos fibre and 80% Portland cement, cured under moist conditions. Type II steam autoclaved AC pipes differ from Type I pipes, in that 40% of the cement is replaced with silica that bonds with the free lime, producing a more stable product since it permits various hydrothermal reactions, in addition to the hydrolysis of cement (Bracken 2012; Hu et al. 2013).

AC PIPE FAILURE The failure of AC water mains is influenced by a number of factors that can be grouped into three categories (Hu and Hubble, 2007): • Physical characteristics of the pipes (e.g., pipe age, pipe size, manufacturing process); • The pipe location environment (e.g., climate, soil type and groundwater properties); and, • Operational characteristics (e.g., conveyed water quality and procedures for operation, maintenance, repair and replacement). The interaction of these factors determines the deterioration processes and modes of failure for AC watermains. Soft water with very low ion content (low carbonate and bicarbonate content) is aggressive to calcium hydroxide and results in the leaching of calcium hydroxide from AC pipe materials and a consequent reduction in mechanical strength. Key parameters for identifying aggressive water include low pH, low alkalinity, calcium hardness, and negative Langelier index. Factors affecting external chemical attack are similar to those influencing internal attack (i.e., pH, alkalinity and sulphates contained in the soils or groundwater can damage AC pipe materials (Jarvis, 1998)). These chemical processes either leach out components of the cement material or penetrate the pipe wall to form products that weaken the cement matrix, reducing the structural integrity of the pipe, as well as affecting water quality. In order to understand in-service failures, it is necessary to have knowledge of the pipe stresses and any degradation of mechanical performance with time. Regardless of the source of the loading, for failure to occur, the stress level must

Environmental Science & Engineering Magazine


exceed the strength of the pipe material. The relationship between the failure load of AC pipes and their in-service condition is defined in the combined load theory adopted by the ANSI/AWWA C401.

relies on a set of criteria that each pipe owner can develop to assess their AC pipe inventory. As for the AC pipe scanner (ACPS) and ePulse inspection tools, the main difference is that the ACPS tool is an invasive AC PIPE ASSESSMENT METHODS inspection tool that requires the pipe to While the techniques available for be out of service. The ePulse is an extermetal pipe have advanced with the nal correlator concept that inspects the requirements of the oil and gas indus- pipe while it is still in service. Both tools tries, cementitious pipes used in the water and wastewater industries have not benefited from similar advancements. Currently, two well-established non-destructive technologies (NDT) are used for assessing AC pipes: ground penetrating radar or pipe penetrating radar, and acoustic measurements. In addition to the NDT, there are assessment methods for assessing AC pipelines. These include hardness, phenolphthalein, pipe crushing/ bursting, and petrographic tests. Tests are recommended on pipes extracted from a failed pipe segment. However, a planned coupon sampling program may be utilized to provide a better understanding of the system condition at a selected location that represents the entire sounding environment for the water system (e.g., similar soil conditions, and/or similar surface load conditions). NDT methods may be a preferable option, but none of the available assessment technologies can work in all conditions. Each has unique capabilities and advantages when compared to other condition assessment methods. Therefore, selecting technology for assessing watermains becomes an optimal process that INSTALLS UP

measure undegraded thickness. However, the ePulse measures minimum average between two sensors, and the ACPS scans thickness along the entire pipe segment, in addition to detecting voids. AC PIPE CONDITION GRADING Based on the physical condition of assets, decision makers can properly continued overleaf…

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February 2020  |  15


manage their assets and select suitable intervention actions that aim at maintaining, rehabilitating or replacing them. The condition grading system is a valuable method used by asset management specialists to assign a numerical number from 1 to 5, based on a predefined program rating system. While the standard practice of condition grading for the gravity pipelines industry is based on the National Association of Sewer Services Companies (NASSCO) methodology, the pressurized pipeline grading system does not have a similar standardized approach. Rajani and Makar (2000) developed a methodology to estimate the remaining service life of grey cast iron mains. It considered the residual resistance capacity of grey cast iron pipelines, anticipated corrosion rates, and the measurement of corrosion pits to predict the remaining factor of safety (FoS). Despite this significant contribution, the present research is dedicated to evaluating grey cast iron only. The methodology to use residual FoS was presented as a method that can be used by decision makers to describe pressurized pipe conditions using a numerical number (residual FoS). When calculating the residual FoS of AC watermain pipelines, imposed loads as per the ANSI/AWWA C401, along with the measured wall thickness information obtained via NDT assessment methods, must be considered. The analysis is presented via a nondimensional condition grading curve generated for AC watermains that uses a condition rating system from 1 to 5, based on the residual FoS methodology. Since the rating is based on the residual FoS, each score from 1 to 5 is associated with a recommended intervention action based on the Guidance Manual for Managing Long Term Performance of AC Pipe (2013).

F.O.S - W/Wc

INFRASTRUCTURE

1.05 1.00 0.95 0.90 0.85 0.80 0.75 0.70 0.65 0.60 0.55 0.50 0.45 0.40 0.35 0.30 0.25 0.20 0.15 0.10 0.05 0.00

5 4 3 2 1 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0.55 0.6 0.65 0.7 0.75 0.8 0.85 0.9 0.95 1 1.05 F.O.S - P/Pc

Nondimensional condition grading curve for asbestos cement pipes, based on the combined load theory adapted by ANSI/AWWA C401.

which is a 32% change in wall thickness from the original pipe thickness (16.8 mm). The maximum measured working pressure was approximately 60 psi. The calculated vertical load, combined soil and surface load assuming trench condition with a narrow trench with a width length of 2D when D is the pipe diameter, 1.5 m earth soil cover depth and 19 KN/m3 soil density is approximately 1050 N/m. Residual tensile strength based on the Hu et al. model for a 44-year-old pipe is 17.9 Mpa. The internal pressure and external load for failure is 2.7 Mpa and 0.024 Mpa respectively, assuming a bedding factor equal to 1.5 for non-gravel beds and other soil surrounds. The calculated residual FoS due to internal load is 0.16, and 0.26 due to external load.

and imposed loads showed an acceptable condition (grade 2). Relying only on thickness measurement may mean condemning pipe prematurely when it still has substantial strength that will allow additional service life. As long as there are no additional and/or new loads imposed on the pipe, periodic inspections using NDT assessment technology can be determined via estimating the time for the pipe stress status to reach condition grade 3 via linear deterioration estimation. Rabia Mady is with CIMA+. Email: rabia.mady@cima.ca

ACKNOWLEDGMENT The author would like to thank the Municipality of Thames Centre and especially Carlos Reyes, CISEC, P.Eng., director of environmental service at the CONCLUSIONS Municipality of Thames Centre for proBased on the nondimensional condi- viding the inspection results. CASE STUDY One study used an acoustic based tion grading curve, the pipe condition inspection tool to measure the average grade is 2, which is associated with an remaining wall thickness of 150 mm AC intervention action of non-structural pipe segment, class 150, located at the rehabilitation methodology based on municipality of Thames Centre, Ontario, the Guidance Manual for Managing Long Term Performance of AC Pipe and constructed in 1974. The inspection tool provided a cal- (2013). Although the acoustic inspection culated average remaining wall thick- of the AC pipe showed 32% degradation, ness of 11.5 mm along the pipe segment, the analysis of pipe physical condition

16  |  February 2020

Environmental Science & Engineering Magazine


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WASTEWATER

The right equipment helps WWTPs cope with the unknowns of septage receiving By Christa Renouard

S

eptage systems that are appropriately designed and maintained provide an excellent form of localized wastewater treatment. If a system gets overloaded or is not on a regular schedule of service, then issues with contamination of surface or groundwater begin to emerge. A critical component of the proper maintenance of a functioning septic system is to regularly clean and extract settled solids from the tank. However, disposal options for collected septic waste are narrowing to facilities that can handle and pretreat the wastes. Strict regulations and guidelines restrict landfill or land application without the material first undergoing some form of pretreatment. Wastewater treatment plants provide a viable option to accept and process the collected septage. However, the sheer concentration of the transported sludge can potentially cause plant upsets in smaller facilities. Early strategies where septage was simply dumped in at the headworks, often overwhelmed the screen and caused problems downstream. The end result was many small plants choosing not to accept septage waste. By creating a receiving area for hauler trucks to offload septage waste, it becomes practical to employ forms of pretreatment, monitoring and storage. This then allows the plant operations staff to control and meter extra loading to the plant. Systems like this can be automated, reducing the need for excessive operator attention. An accurate billing system can be employed through a keypad/card kiosk that combines the measured flow and monitored water quality parameters in the billing. The advantage of this approach is that it opens up an opportunity to generate revenue, which offsets the investment and contributes to reducing overall operating expenses.

18  |  February 2020

Grease collected from restaurants and food processes is a potential source of energy for digesters. Grease traps also keep fats, oils and grease from clogging collection systems.

WHAT WAS ONCE A PROBLEM Similar to the evolution of handling septic wastes with the creation of septage receiving stations, this same receiving station technique can be modified to accept energy-rich waste grease from restaurants and processers. With early adoption of processes like co-generation, organics such as fats, oils and grease, were sought out to add to the digesters used in generating energy to offset operational costs. This new approach instituted programs of point source collection techniques for early capture of the grease in localized traps. This also greatly aided in minimizing maintenance issues with grease clogging a municipality’s collection lines and lift stations as the wastes are transported to the wastewater treatment facility. However, much like the early attempts with the acceptance of septage, grease has its own factors that affect the ease and practicality of accepting these wastes at the facility. One wastewater treatment plant experienced initial difficulty with the handling and processing of received

brown grease waste. The grease collection process was susceptible to people treating the collection bins as trash disposal. The initial design of the receiving station utilized a bucket strainer, which required frequent manual cleaning that diverted operations personnel from essential plant duties. This manpower issue was easily resolved by incorporating a self-cleaning inline sludge screen. This configuration provided a robust technology that fits well into the automated system. NOT WITHOUT CHALLENGES As a greater diversity of hauled wastes are being accepted into septage receiving stations, so too are the occurrences of unplanned material entering the system. The industry has been served well by standardized septage receiving stations. Many of these systems were designed to accommodate domestic septic tank waste from households, apartment complexes, resorts, etc. Chemical toilets, or Porta-Potties, present a new challenge. Whereas the nature

Environmental Science & Engineering Magazine


of a conventional septic system’s waste characteristics minimizes exotic debris in hauled waste, Porta-Potties are a potential wild card. This type of portable chemical toilet provides a sanitary solution for almost any outdoor event. However, this also provides a portal for disposal of just about anything imaginable. One wastewater treatment plant discovered firsthand what could be encountered with the introduction of waste from portable units. The first system was designed for traditional septage as well as grit. After a series of large public events, there was a sizable influx of wastes brought in from the portable toilets. The receiving machines at the septage receiving station were quickly overwhelmed and disabled. In troubleshooting, what had come in from several portable units around the area was examined. Everything was found in the septage, from knives, ammunition and power tools to clothing, syringes and electronic devices. With a clear understanding of the nature of debris being encountered at the

facility, it was then possible to provide an addition at the station that could handle that type of waste without causing problems with the machinery. The solution was a centre feed drum type of machine that could handle the severe and unusual material brought in with the portable toilet wastes.

into a centralized complete grit treatment facility. This type of system handles, washes and classifies the raw material. As a result, the classified inorganic material (sand and gravel) can be recycled for clean fill or roadbed material. The organics can be retrieved for co-digestion purposes. The net result is captured resources, and the remaining material for landfills is WHAT’S NEXT? substantially reduced. As landfill space becomes scarce, the With a proper understanding of the discarding of wastes becomes increas- materials and wastes to be handled, many ingly problematic. As costs increase and possibilities open up. As we shift more available space decreases, incentives are from waste to resource recovery, we will emerging to process the so-called “waste” creatively provide solutions for the conand begin recycling the useable mate- tinued emergence of a circular economy. rial. One such solution is found with the development of a receiving station that Christa Renouard is with can accept vacuum truck wastes. It is Huber Technology Inc. Email: typically made up of a variety of organic christa@hhusa.net and inorganic material, as well as coarse and fine grit, and gravel. This material commonly comes from activities like street sweeping or construction sites. By combining a series of known technologies, it is possible to accept the wastes

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February 2020  |  19


WATER While it is still early in this multi-year project (expected to conclude in 2021), initial successes have proven the mobile DMA testing concept and substantial value has already been realized.

Mobile unit deployment occurred over four nights at both full and reduced pressures.

Mobile district metered area testing helps cut watermain leak losses By Bradley Jenks and Fabian Papa

T

he April 2019 issue of ES&E magazine featured an article titled “Municipalities wanted for new water loss testing project”, which introduced an Ontario-wide water loss testing project. In recognition of the synergy between water loss reduction and energy conservation, the cross-sectoral project, led by HydraTek & Associates, is supported primarily by the Independent Electricity System Operator (IESO) through its Grid Innovation Fund. The study involves the development and deployment of a mobile testing unit designed to accurately and reliably measure minimum night flow (MNF) into specific sectors of water distribution systems, often referred to as district metered areas (DMAs). In addition to flow monitoring, the effectiveness of pressure reduction on flow (and leakage) reduction is 20  |  February 2020

directly measured through the activation of a pressure reducing valve (PRV) within the mobile unit. The mobile unit has been assembled, tested and deployed at several locations in York Region and the City of Ottawa. The project involves testing at 20 DMA sites across Ontario. Results are used in the development and application of evidence-based benchmarking metrics that can assess the performance of DMAs in municipalities across North America. One of the key project objectives is to increase awareness surrounding water loss reduction practices. Reducing water losses also reduces needless energy consumption associated with water lifted to overcome elevation differences, moved through piping networks which offer frictional resistance, and pressurized to provide an adequate level of service to users.

A COMPELLING CASE FOR WATER LOSS REDUCTION PRACTICES Among the test sites thus far, of particular interest was a tested DMA located in a municipality that purchases its water at wholesale from upstream bulk suppliers. Consequently, the marginal cost of water to the municipality is rather high (relative to those municipalities that produce their own water) and at the current rate, which is trending upward. Therefore, any water loss reduction efforts would be justifiable. From an energy perspective, the test site is situated relatively high in elevation and pressurized to operate at a hydraulic grade line approximately 155 metres above source water elevation. Furthermore, appreciable frictional losses are generated from the over 28 kilometres of transmission mains that connect the site to its supply. Based on an average wire-to-water pumping energy consumption of 4,000 kWh/Mm3/m1, and accounting for static lift and dynamic frictional losses, the embedded pumping energy for the case study location is determined to be 0.734 kWh/m3. This is nearly double the average of the other tested DMAs. Accordingly, the selected test area is an ideal candidate to exhibit the benefits of possible energy conservation from reducing inefficiencies such as watermain leakage. Understanding the considerable consequences to leakage in the area, the municipality had initially retained HydraTek to design and implement a permanent pressure management area (PMA). The goal was to curb pressure-dependent background losses in a sector of their watermain system, which consisted of old metallic pipe and suffered from higher-than-average history of breaks. However, from an evidence-based perspective, no reliable site-specific data was available upon which to justify the appreciable investment of a PMA. All things considered, the characteristics and intervention intentions in the area demoncontinued overleaf…

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The graphs in Figure 2 also include several other tested sites as part of this project, in addition to an evidence-based MNF60 frontier which is intended to represent healthy systems with similar characteristics (i.e., predominantly WATER residential areas in the case of this study). These benchmarking frontiers are under ongoing development as the project progresses. However, they have proven valuable and provided insightful findings thus far. 10 9 8 MNF60 = 6.1 L/s

Flow Rate, Q (L/s)

7 6 5 4 3 2 1

Post-Leak Repair Flow

6:00 AM

5:30 AM

5:00 AM

4:30 AM

4:00 AM

3:30 AM

3:00 AM

2:30 AM

2:00 AM

1:30 AM

12:30 AM

0

1:00 AM

MNF60 = 1.7 L/s

Pre-Leak Repair Flow

Figure 1. Pre- and post-leak repair flow profiles.

Figure 1. Pre– and post-leak repair flow profiles.

100%

MNF60/ABD

MNF60 (L/s)

10 From the results, it was evident that the tested DMA’s placement in the project-derived benchmarks was notably Frontier 90%strong potential for realizable waterMNF/ABD 9 than its peers. The established MNF frontier indicated higher and energy savings 30% 80%equates to approximately 1.1 tonnes of CO2/year 8 of 39,500 m3/year, $121,000/year and 27,000 kWh/year. This (note, 25% of the estimated excess leakage identified). 70% 7 estimates conservatively assumed the recovery of only 60% performance and the resulting recommendation to 6 Accordingly, the municipality was informed of the DMA’s poor further excess leakage. Subsequent to initial testing, and 50% 5 investigate based on the strong business case for recoverable informed by the interpreted results, the municipality conducted a leak survey in the area. It found a substantial leak, 40% 4 which was then repaired. 3

30%

Post-leak repair deployment of the mobile testing unit was 20% done shortly after, with the objective of quantifying the 2 recovered excess leakage as a result of the repair. The blue time series plot in Figure 1 represents the measured post1 10% testing results, indicating a significant reduction in MNF60 of approximately 4.4 L/s. Furthermore, Figure 2 illustrates 0 0%(in dark orange). the before-intervention result and the after-intervention result Tested DMA Tested DMA 0

500

1000

1500

Number of Service Connections

2000

(Pre-Leak Repair)

(Post-Leak Repair)

Figure 2. Evidence-Based Project Benchmarking: Pre-repair andtesting. Post-Leak Repair Testing. Figure 2. Evidence-based project benchmarking: Pre– and post-leak

Relative to both benchmarking metrics (Figure 2), the post-testing MNF60 results show that the DMA is now performing region of itstest healthier peers, verifying the reduction in leakage.acteristics (i.e., predominantly residenstrated it was in thethe ideal candidate site data included a centralized 60-minute

Page 2

for using the mobile testing unit as a diag- moving average of the MNF to eliminate tial areas in the case of this study). These Measured energywater andloss financial savings nostic tool to water, inform further random uncertainties and capture overall benchmarking frontiers are under ongoreduction decision-making. flow profile. The measured MNF60 relative ing development as the project progresses. Repairing this single leak resulted in the following measured and verified beneficial impacts to the municipality: to certain key DMA characteristics, such However, they have proven valuable and 3 PRE-•ANDWater POST-LEAK REPAIR savings: 139,000 m /yearas the number of service connections and provided insightful findings thus far. MOBILE UNIT DEPLOYMENT the average billed demand (ABD), among From the results, it was evident that • Financial savings: $426,000/year Initial mobile unit deployment occurred others, was used to populate meaning- the tested DMA’s placement in the proj• Energy savings: 102,000 kWh/year (102 MWh/year) in mid-May of 2019. Testing took place ful benchmarking metrics displayed in ect-derived benchmarks was notably (@ orange). 40 g CO2/kWh) impacts: 4.1 2tonnes CO 2/year over •fourMitigated nights at environmental both full (normal Figure (initialof data point in light higher than its peers. The established system conditions) and reduced presThe graphs in Figure 2 also include MNF frontier indicated strong potential To put these values into perspective, the measured water savings is equivalent to an annual consumption of about sures. As a result, a consistent MNF several other tested sites as part of this for realizable water and energy savings 505 typical single-family households (based on 251 L/cap/day; three persons per dwelling; and 365.25 days in a year)of was measured andtoisnearly represented by of thethe project, in addition to an evidence-based 39,500a m3/year, which amounts the size tested DMA. These significant benefits were result of$121,000/year informed and 27,000 orange time series plot in Figure 1 (preMNF frontier which is intended to repkWh/year. This equates to approximately 60 intervention in only a small segment of the Region’s watermain infrastructure. This suggests further savings from leak repair flow). Post-processing of the resent healthy systems with similar char1.1 tonnes of CO2/year estimates proactive water loss management, both financially and environmentally, are reasonably attainable. More(note, importantly,

the municipality realized a further benefit by avoiding the cost associated with their originally planned PMA Environmental Science & Engineering Magazine at greater than $250,000).

22  |  February 2020 (valued implementation


To put these values into perspective, the measured water savings is equivalent to an annual consumption of about 505 typical single‑family households.

conservatively assumed the recovery of only 25% of the estimated excess leakage identified). Accordingly, the municipality was informed of the DMA’s poor performance and the resulting recommendation to further investigate based on the strong business case for recoverable excess leakage. Subsequent to initial testing, and informed by the interpreted results, the municipality conducted a leak survey in the area. It found a substantial leak, which was then repaired. Post-leak repair deployment of the mobile testing unit was done shortly after, with the objective of quantifying the recovered excess leakage as a result of the repair. The blue time series plot in Figure 1 represents the measured post-testing results, indicating a significant reduction in MNF60 of approximately 4.4 L/s. Furthermore, Figure 2 illustrates the before-intervention result and the after-intervention result (in dark orange). Relative to both benchmarking metrics (Figure 2), the post-testing MNF60 results show that the DMA is now performing in the region of its healthier peers, verifying the reduction in leakage. MEASURED WATER, ENERGY AND FINANCIAL SAVINGS Repairing this single leak resulted in the following measured and verified beneficial impacts to the municipality: • Water savings: 139,000 m3/year • Financial savings: $426,000/year • Energy savings: 102,000 kWh/year (102 MWh/year) • Mitigated environmental impacts: 4.1 tonnes of CO2/year (@ 40 g CO2/kWh) To put these values into perspective, the measured water savings is equivalent to an annual consumption of about 505 typical single-family households (based on 251 L/cap/day; three persons per dwelling; www.esemag.com @ESEMAG

and 365.25 days in a year) which amounts to nearly the size of the tested DMA. These significant benefits were a result of informed intervention in only a small segment of the Region’s watermain infrastructure. This suggests further savings from proactive water loss management, both financially and environmentally, are reasonably attainable. More importantly, the municipality realized a further benefit by avoiding the cost associated with their originally planned PMA implementation (valued at greater than $250,000). Additional information, including results and project dissemination is available at www.hydratek.com/mobile_ dma_testing. Bradley Jenks and Fabian Papa are with HydraTek & Associates (A Division of FP&P HydraTek Inc.). For more information, email: b.jenks@hydratek. com, f.papa@hydratek.com

The authors acknowledge the sponsorship of the Independent Electricity Services Operator (IESO) Conservation Fund and the National Research Council Industrial Research Assistance Program (NRC-IRAP) in addition to the participation of the Ontario Clean Water Agency (OCWA), the Ontario Water Works Association (OWWA), the University of Toronto, as well as the following municipalities and/or their water utilities (to date): Regions of Durham and York, as well as the Cities of Ottawa, Markham and Vaughan, and the Town of Georgina.

February 2020  |  23


STORMWATER

Finding the right stormwater management system for a mixed-use development in North Vancouver By Peter Kumar

W

hen tasked with finding an efficient and compliant stormwater management system for a large multi-family mixed-use development in North Vancouver's Lynn Valley area, the developer enlisted the help of a local civil consulting firm. They, in turn, approached BARR Plastics Inc. for a durable solution that would not only protect the development against flooding, but would also work with the site's unique, tight and hilly profile. It was also key for the system to meet the District of North Vancouver Hastings Creek Watershed Stormwater Report stringent storage volume requirement of 1,143 m3/Ha. The consultant and BARR Plastics specified, designed and supervised the installation of three stormwater infiltration systems, which were installed in two phases. During the first phase, a 1,180 m3 two-tank system was installed. It was built using 5,760 heavy-duty EcoBloc Inspect Flex modules in order to meet a burial depth of 5 m, with in-built inspection channels for easy maintenance. During phase two,

a second, 658 m3 system was installed which consisted of 3,210 EcoBloc Inspect Flex modules. Due to the hilly profile and minimal footprint available on site, the stormwater system needed to be deeper underground, with a 5 m burial depth and provide HS-25 loading. The solution was a three-tank system using Ecobloc Inspect Flex in combination with Vario 800 flex shafts. These were located to provide full access into the tanks for inspection and maintenance. The first tank required a minimum earth covering of just 560 mm, whereas the second and third ones needed a minimum cover of 2,000 mm. Post-construction, the developer requested the temporary installation of two Liebherr LTM 1095.1 270 Ton and 120 Ton mobile cranes over the buried Ecobloc tanks to be used to dismantle the man hoist. Due to the consultant’s design providing vertical and lateral loading capacity of Ecobloc Inspect Flex, the design factor of the modules met the load requirements. Personnel from the design consulting firm, BARR Plastics and a local geotechnical consulting firm worked together to approve the crane installations. This system was built with enough capacity to resist the kind of extreme storm only likely to happen once in a 100-year period. There is also an additional 15% contingency buffer for climate change. Peter Kumar is with BARR Plastics. For more information, email: peter@barrplastics.com, or visit www.barrplastics.com

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The consultant and BARR Plastics specified, designed and supervised the installation of three stormwater infiltration systems. 24  |  February 2020

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INFRASTRUCTURE

Left: The main spillway is approximately 500 m in length. The spillways were designed to convey any overtopped heap leachate in case of extreme weather events. Right: The secondary emergency spillway is approximately 140 m in length of varying width at 50% gradient.

Protecting a northern mine leachate spillway with concrete canvas By Ron Drewry, Phill Greer, Rebecca Spitzer and Chantal Lambert

C

®

oncrete Canvas is a new class of construction material called geosynthetic cementitious composite mats (GCCMs). It consists of a three-dimensional geosynthetic fibre matrix filled with a high early-strength cementitious powder mix that hardens on hydration to form a thin, durable, waterproof and low-carbon concrete layer. Essentially, it is concrete on a roll and allows concrete construction without the need for plant or mixing equipment. Used for a wide range of erosion control applications, Concrete Canvas (CC) has numerous benefits that make it an attractive product. First, its low mass, low-carbon technology uses up to 95% less material than conventional concrete for many applications. Secondly, CC’s roll format makes it logistically easier to handle and easier to install than conventional concrete – you just unroll, place and add water. Thirdly, it can be installed rapidly at a rate of 200 m2/hour. This is up to 10 times faster than conventional concrete solutions. Once hydrated, CC typically sets to 80% full-strength within 24 hours. Once at full strength, its climatic resistance and durability should provide in excess of 120 years of performance. CC was used for two spillway erosion control lining projects recently completed at Eagle Gold Mine. This site is located in the Yukon, approximately 200 km from the Alaska border. It is subject to a seasonal temperature variance of +20° C to –30° C. The spillways are designed to convey any overtopped mine heap leachate in extreme weather conditions. The first is the main spillway that connects a heap leach pad to an events pond. The second is an emergency spillway for the events pond. The 26  |  February 2020

mine site is heavily monitored by Canadian regulators. Poured concrete with an applied coating was considered as the protective liner, but discounted due to logistical and installation complexities. Concrete Canvas alleviated these concerns and was chosen for the projects. A total of 8,240 m2 of CC8 and CC13 was installed. The main spillway is approximately 500 m long with profile sections of 5 – 8 m at a 7% – 15% gradient. In this spillway, CC8 (8 mm thickness) was used for fall sections of 7.5% and CC13 (13 mm thickness) was used where the fall of the section increased to 15%. Installation was completed per standard channel lining details: hydrated overlaps, Soudseal 250XF bead, SS screws at 200 mm centres, 100-150 mm overlap with a 1.3 m anchor trench (0.75 x 3) along either crest with ground pins. Intermediate fixings were not required. The emergency spillway is approximately 140 m long with varying widths at a 50% gradient. It was lined exclusively with CC13 per the engineering specifications. Installation was done a little differently than the main spillway and included gripple rock anchors at fixings not less than 1.8 m centres along its main section. At the 90° corner, anchor centres were not less than 0.5 m apart. The project was completed in May 2019. Titan Environmental Containment supplied the Concrete Canvas and JDS Energy and Mining Inc. completed the installation at a rate of 750 – 850 m2 per day at 15°C. Ron Drewry, Rebecca Spitzer and Chantal Lambert are with Titan Environmental Containment. Phill Greer is with Concrete Canvas Ltd. For more information, email: chantal@titanenviro.ca, or visit www.titanenviro.com Environmental Science & Engineering Magazine


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INFRASTRUCTURE

lessons learned while replacing aging watermain By Neville Morrison, Sofia Kolesnikov, Robert G. Chisholm and John Thompson

W

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28  | February 2020

PV C O P re ssure P i pe

The city retained the services of Chisholm, Fleming and Associates (CFA) to complete the design for replacement of an existing watermain with a new PVC one. The goal of the project was to replace an approximately two-kilometre section of badly deteriorated watermain along a busy arterial roadway in a densely developed, mixed-use urban area, with minimal disruptions to traffic, residents and the natural environment. The 2,040 m length of 300 – 350 mm cast iron and ductile iron watermain, parts of which were over 70 years old, stretched between Jane Street and Keele Street along Major Mackenzie Drive West. It was experiencing a very high frequency of breaks, that caused severe disruptions to traffic as well as service to businesses and residences. The $4.2 million project also included replacing 19 valve chambers, as well as hydrants and water-service connections. The design was completed between April 2017 and March 2018. Construction took place between May and December 2018. A CHALLENGING PROJECT SITE The project site was inherently challenging. Major Mackenzie Drive West is a four-lane urban arterial road, travelled by an average of over 40,000 vehicles daily. There are particularly high levels of traffic during morning and afternoon rush hours. There are two large shopping plazas on either side of the street at the west end of the project site and commercial development on the north side at the east end. The majority of the roadway is fully built out, except where the roadway crosses the West Don River, which is one of two major tributaries to the Don River, and in a sensitive, protected natural area. In addition, above and below ground, the corridor is congested with utilities. There is overhead and buried electrical and telecommunications infrastructure, as well as buried gas mains on both sides of the street and sanitary and storm sewers. PROJECT DRIVERS The project was completed as part of the city’s state-of-good-repair program,

Environmental Science & Engineering Magazine


but three significant factors contributed to the urgency of the replacement. One was the increasing service demands created by development. Between 1996 and 2006, Vaughan was the fastest-growing municipality in Canada, with an 80% increase in its population during that period. A larger and more reliable water supply was needed to meet the already heavier domestic and commercial water demand and to allow for further development. A second factor was reliability of the water supply, in particular for Canada’s Wonderland. It is a premier entertainment attraction and the largest theme park in Canada, with approximately 3.8 million visitors each year. It is the city’s largest customer in terms of annual water consumption. The final factor was the planned construction of the Mackenzie Vaughan Hospital. This $1.6 billion, 350-bed facility, which is currently on track for completion in 2020, will be the city’s first hospital. A reliable, high-volume water supply to the 1.2 million square foot facility, expandable to 550 beds, is critical. FINDING A FAST, LOW-IMPACT AND COST-EFFECTIVE SOLUTION The preferred alignment, agreed upon by the city and the Regional Municipality of York (which owns the road), included a new, upsized 400 mm PVC watermain running primarily within the eastbound

Over 1 km of 400 mm fusible PVC pipe was installed through HDD, making the project one of the largest of its kind in the Greater Toronto Area.

curb lane between Jane and Keele Streets. It was determined that installation within the boulevards was not feasible because of the high degree of utility congestion. Consequently, it was agreed that the watermain would be installed by conventional opencut construction, except for the crossing at Jane Street, which would be installed by horizontal directional drilling (HDD). Because of concerns about the impact of construction on an already congested traffic route, the city asked that CFA further explore the feasibility and benefits of using HDD across the entire limits of the

project. The only design stipulations were that all entry and exit pits had to be located outside of the roadway and that the pipe for the watermain had to be cast-iron-outside-diameter (CIOD) compliant, for compatibility with waterworks valves, appurtenances, and restraints and so that future repairs and service connections could be made without special fittings. CIOD compliance eliminated high-density polyethylene (HDPE) pipe, as its diameter is measured as outside diameter, rather than as inside diameter, as continued overleaf…

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INFRASTRUCTURE is the case for both cast iron and PVC pipes. Also, the fittings for HDPE pipe are different. As lockable PVC pipe is only available to a maximum diameter of 300 mm, the only pipe material that would meet the city’s requirements was 400 mm fusible PVC pipe (Class 235, DR18), which was supplied by IPEX. The project site was investigated to determine the feasibility of HDD construction through a geotechnical investigation, as well as a review of available laydown areas. The geotechnical investigation found very dense clayey silt till and sandy silt till, which are suitable for HDD and present relatively low risks of inadvertent fluid loss through hydraulic fracture (frac-out). A review of the laydown areas confirmed that HDD was feasible for approximately half of the proposed watermain length, so the city authorized CFA to proceed with the detailed design. The preferred alignment primarily within the roadway remained unchanged. Careful planning identified specific loca-

tions where entry pits and exit shafts could be located within the boulevard, without impact on existing utilities, or within auxiliary turning lanes to minimize traffic disruption. Open-cut installation was used as originally planned in the eastern half of the site. Here, HDD was not feasible given the number of houses and businesses fronting the street and the difficulties of laying out and fusing the pipe lengths without blocking driveways and entrances. Location of the entry and exit pits took into consideration the minimum bending radius of 110 m of the 400 mm fusible PVC, so that the pipe could be laid out, fused and pulled within the boulevard. To avoid as much of the utility congestion as possible, the watermain was designed to sweep out into the roadway along the preferred alignment and then sweep back into the boulevard between each successive HDD section. Maximum pull length of each HDD section was a function of the available area in the boulevard to fuse and lay-

out the pipe and the typical thrust/pull strengths of HDD drill rigs. The average length of each HDD section was approximately 300 m. This pull length meant smaller equipment could be used. Installation was completed using a Vermeer D 36x50 (II) with 36,000 lbs thrust/pull (16,330 kN). Use of fusible rather than lockable PVC for the replacement meant a number of field conditions had to be taken into consideration, including the weather. The fusing process needed to be protected from rain, wind and dust and temperatures had to be above 4°C. Connections of the fusible pipe had to be completed by a certified licensee of the pipe manufacturer. One of the most significant challenges of the design was finding laydown areas for the pipe. Additional effort was made during the design to minimize impacts on traffic, while ensuring constructability. Recommended entry and exit pits were identified on the contract drawings, even though the location of the pits is sometimes left to the contractor to deter-

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mine in the field. A complete subsurface utility engineering investigation was a priority, given the number of underground utilities and the age of the existing watermain. However, despite thorough information about the location of the watermain and other infrastructure, a break in the existing pipe occurred during drilling of a pilot bore, even with 3 m of clearance. An investigation into the break found that the ductile iron pipe was in very poor condition. A construction schedule with extended working hours and alternating daytime and nighttime shifts shortened construction of the watermain installation by almost three months (a temporary noise by-law amendment allowed for this). The HDD work took place mostly during the day, given its limited impacts on the site. The open-cut sections were generally completed during the night shift, and the following day the watermain trench along the previously installed watermain was restored with asphalt. This meant the roadway could be reopened to traffic to

A Vermeer D 36x50 (II) with 36,000 lbs thrust/pull (16,330 kN).

minimize disruption. In addition, the asphalt was sawcut and utilities were daylighted by the day crews in advance of the night crew shift. OUTCOMES By seeking to maximize the use of

trenchless construction throughout the project site, the city and CFA were able to realize significant additional project benefits. To start, there was a major reduction in the overall impact of the project continued overleaf…

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February 2020  |  31


INFRASTRUCTURE on residents, businesses and road-users. No property-access or service-disruption complaints were logged from any of the commercial or residential properties along sections of the replacement completed through HDD. Because the HDD construction work had no, or only minimal, impacts on traffic, it could take place during the day, eliminating complaints such as those about nighttime construction that arose along the open-cut sections. As well, the HDD sections of the watermain were installed approximately 1.75 times faster than the open-cut sections. One 244 m section took only eight days to install using HDD, versus 14 days for a similar length through open-cut construction. In addition, extensive use of HDD allowed the city to protect its investment in its existing infrastructure and preserve valuable natural features. There were no utility impacts or damage within the entire HDD section of the project and only minor disruption to sidewalks, the roadway and streetscaping. Because HDD allowed for

the installation of the new watermain directly over the existing one, space was conserved for additional infrastructure within the corridor. As well, there were no tree removals in either built-up or natural areas. Since fusible PVC has no joints, the new watermain passed the hydrostatic pressure test with zero leakage on the first round of testing. Leaks that sometimes occur in a newly installed watermain that uses many joints and mechanical bends can be difficult to locate and repair. Also, they can significantly impact the construction schedule and delay the infrastructure being put into service. Use of HDD also lowered the carbon footprint of the project in several ways. Keeping construction out of the roadway as much as possible greatly minimized traffic delays, which in turn minimized traffic idling. What’s more, the carbon emissions and nonrenewable resources for the HDD section of the project were insignificant. In addition, by eliminating the need for large amounts of new

material, HDD significantly reduced the embodied-energy costs of the project. All of these benefits were realized with little extra cost. The HDD sections were completed at a cost of $1,080/m as compared to $960/m through open-cut. PROJECT LESSONS The project produced valuable benefits for the team, in the form of greater insight into how complex infrastructure-replacement projects with multiple stakeholders in highly developed project sites can be successfully realized. Some of the takeaways of the project may be valuable for other utility owners and consultants. Extra upfront effort during the design to more accurately define the alignment and to locate entry and exit pits ensured the constructability of the design and reduced traffic impacts to zero for much of the HDD section. A more-detailed-than-normal geotechnical investigation gave more information to the contractors for bidding, which helped reduce the cost of the construction. The initial plan for nine boreholes at 200 – 300 m spacing was augmented to 17 boreholes to tighten the spacing to 100 m and give a more thorough understanding of soil conditions. All of the large, 150 – 200 mm service connections to businesses along the roadway were also completed through HDD to avoid the major traffic disruptions that would have resulted if the service crossings were installed by conventional open-cut construction. As a result of proactive and continuous communication with businesses, the contractor was able to use private property as the laydown and equipment area for each connection, with full cooperation from the property owners. Consultation with HDD contractors during the design phase and with Direct Drilling Ltd., who completed the HDD installation, after construction gave valuable input and feedback to the team for this project and the next one. Neville Morrison, Sofia Kolesnikov and Robert G. Chisholm are with Chisholm, Fleming and Associates. John Thompson is with the City of Vaughan. For more information, Email: bob.chisholm@chisholmfleming.com

32  | February 2020

Environmental Science & Engineering Magazine


®


WASTEWATER

Demographic reality catching up to WWtps By James Des Cotes, Valera Saknenko and Stephanie Tran

F

or years, there have been predictions of the Canadian population aging and moving to retirement and the need for succession planning. Back in 2003, researchers from Statistics Canada noted that the rising wave of retirements in Canada’s labour force would reach a peak in the early 2020s (MacKenzie and Dryburgh, 2003). This future is now here. In recent years, the number of senior water and wastewater operators retiring has increased. This is leaving a gap in knowledge regarding the operation and maintenance of water infrastructure, in particular treatment plants. This is becoming a trend at many wastewater treatment plants (WWTPs) in North America, where the rate of baby boomers retiring is outstripping the rate of recruitment of qualified people to fill their positions (Raney, 2019). Between 2004 and 2011 the percentage of operators aged 51 and over increased from 29% to 42%. At the same time, the percentage of younger operators has decreased (OMBI, 2013). Based on this trend, it is expected that this experience gap will continue to grow over the next decade. Municipalities in Ontario are now encountering not only staff succession challenges, but also the cumulative effect of plant upgrades carried out over the past decades at WWTPs. For many, proper procedures may not have been captured in operating manuals and other documentation. This results in manuals and operating procedures that are not consistent with the current practice which is known to the seasoned operators who are about to retire. This knowledge gap can seriously hinder the ability of newcomers to be able to do their work properly. To address these issues, one municipality in Ontario recently retained R.V. Anderson Associates Limited (RVA) to assist in

Figure 1. Process troubleshooting example.

preemptive actions to update plant operation and maintenance (O&M) manuals, monitoring protocols, troubleshooting and emergency response procedures, review plant performance, and provide process training for plant staff. The plant reviewed for this project consists of primary treatment, sequence batch reactor secondary treatment, tertiary filtration, UV disinfection, and ancillary chemical dosing systems. The project was broken down into key components: plant operation and document review; plant documents update;

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sampling and testing procedures review; process troubleshooting guide; operations training; and final documentation. During the first phase, RVA conducted a comprehensive review of the existing processes and documentation at the plant, including drawings, plant operating data, process controls and manuals. This was only available in hard copy and some items were found to be outdated, incomplete or missing entirely. RVA acquired the missing documentation from equipment manufacturers and assembled a complete set of plant O&M manuals. An electronic set of O&M manuals was also prepared for ease of access for all members of the operations group. The next step in the project was an examination of the existing sampling, testing and operational procedures in place at the plant. An evaluation was conducted to ensure that the plant was recording sufficient information to not only meet regulatory requirements, but also to assist operators in their ability to properly operate and maintain the plant. It was discovered that, while the plant was meeting regulatory obligations, some information necessary to evaluate plant performance was missing. Recommendations were made to the plant owner to start testing and recording parameters, such as sludge volumes and characteristics, flow measurements between each process train, and waste sludge flow rates. This would allow for a more comprehensive review of plant performance in the future. Operational procedures for plant upsets were also considered. A process troubleshooting guide was developed, which acts as a quick reference for operations staff in the event of an upset. The guide included probable causes for each upset and procedures for addressing the issues. Recommendations were made for preventative measures to reduce the risk of each upset in the future. Topics covered by this manual included loss of flow, high effluent ammonia, cloudy effluent, solids washout and foaming. Each item in the guide was detailed with probable causes, solutions to address the issue, and preventative methods. (Figure 1) Training of operations staff was the final focus for the project. As the main process system utilized at the plant is a proprietary process, the manufacturer was retained through their local supplier, to provide specialized review and training. RVA provided training for the other processes at the plant, including an overview of sampling and testing procedures and the troubleshooting guide. Several half-day training sessions were held for operations staff. The operation of each system was discussed, with an emphasis on the purpose of each component and troubleshooting common problems. Training materials, including responses to operator questions, were compiled and provided to operations for future reference. The end goal of this project was for operations staff to obtain a better understanding of the plant and to ensure continuity in operation. Through the work completed in this project, the treatment plant will continue to be properly operated. References available upon request

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James Des Cotes, P. Eng., CCCA, Valera Saknenko, Ph.D., P.Eng., PMP, and Stephanie Tran, EIT are with R.V. Anderson Associates Limited. For more information, email: jdescotes@rvanderson.com www.esemag.com @ESEMAG

February 2020  |  35


SPECIAL FOCUS: COLD CLIMATES AND REMOTE LOCATIONS

The Taloyoak water treatment plant in Nunavut has wind and solar alternative energy systems.

Northern communities could benefit from renewable energy systems By George Thorpe

W

ater and wastewater treatment plants, along with other community utilities, require a steady and reliable power source to provide resilience. Diesel power generation and heating has been the standard in remote and northern communities for many years. Most are off the main electrical power grid, which means that diesel fuel must be freighted to each community at substantial expense by truck, ship or even aircraft. This form of electrical generation is fairly inefficient, and produces significant greenhouse gases. There is the noisy rumble of generators running continually and it is well known that the burning of diesel produces harmful formaldehyde, sulphur dioxide, mercury and black soot. Also, there are supply, environmental and reliability issues. Last year, a diesel barge failed to deliver

36  |  February 2020

THE MOVE TO RENEWABLES Once a geothermal, biofuel, wind or solar power system with battery backup is installed, very little shipping of goods to site is required. Chris Henderson is Executive Director of the non-profit Indigenous Clean Energy (ICE) Social Enterprise and has started the 20-20 Catalysts Program, which assists Canadian First Nation communities wanting to replace diesel. He says that Canada is on the cusp of a northern energy revolution. New investment is being committed to cleaner energy technologies in remote communities countrywide. However, he states the main problem well. “The different cost curves of diesel and clean energy stack the cards against change for many small and cash-strapped communities, even if it could mean savings in the long run. Diesel generation requires only a modest up-front outlay of capital. However, 85% of the cost is in ongoing fuel purchases. Clean energy projects like small hydro, by contrast, require big capital expenditures upfront. But, positive economic returns over the longer term, such as net revenue for decades ahead, often do not influence the short-term decision.” There are still economic, regulatory and operational challenges with renewable energy systems, For example, the supply and demand of power needs to be balanced 24/7. Battery storage and other new technologies can assist in this task. A remote monitoring and trending system also aids in troubleshooting and operator training. Many remote communities have started on the journey to replace sooty diesel with alternative energy, but help is needed along the way. Useful resources include The Clean Energy for Rural and Remote Communities program, which supports a suite of diverse projects across Canada to reduce the reliance of rural and remote communities on diesel fuel for heat and power. Another is the Atlas of Canada. Remote Communities Energy Database website.

fuel to Paulatuk in the Northwest Territories because of early ice. This meant that more than half a million litres of diesel had to be flown into the community to keep the generators producing power. The bill was close to $2 million. Air freight of fuel is common for some communities. Diesel fuel spills happen from time to time and in the past were often unreported. It is estimated that more than 10 million liters of diesel has been spilled north of 55 degrees latitude. These incidents are costly, both environmentally and economically. Several years ago in April, the diesel generator in Pangnirtung caught on fire. Hospital patients were evacuated to Iqaluit and residents moved to central locations to keep warm. It is estimated that George Thorpe, P.Eng., E.P., is with close to half of the diesel generators in BI Pure Water Canada Inc. Email: the north are past their useful life and georget@bipurewater.com are becoming unreliable.

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SPECIAL FOCUS: COLD CLIMATES AND REMOTE LOCATIONS

A central water point in an Alaskan community.

The search for lower cost water sources in the Arctic By Ken Johnson

T

he search continues for technology with lower costs for water systems in the far north. One of the primary areas of this search is decentralized (individual water and sewage treatment systems in each house) wastewater technology and water re-use technology. The use of decentralized wastewater treatment is not new, and in fact it has provided a low-cost way of treating wastewater for rural homes in the south since the 1940s. Technical innovations of the past 25 years have facilitated the expansion of decentralized water and water re-use systems, and even advanced the use of this technology in the urban environment. In the context of Canada’s far north, climate, ground conditions and community isolation create expensive problems for piped residential servicing. In the City of Yellowknife, development costs, including roads and drainage, are over $120,000 per lot. A study in 2001 suggested that a comparable development 38  |  February 2020

cost for a water re-use system could be less than $70,000 per lot. Considering that approximately 55%, or 10,000 litres, of the water used in a typical Yellowknife household each month is for laundry and flushing toilets, there is an opportunity to save money by treating and recycling it for these uses. The Yellowknife study compared the cost over a 20-year period for a typical residential piped water and sewer system and for a water re-use system. It concluded that water re-use could save approximately 40% of the overall cost, with the most significant part of this cost reduction associated with the elimination of putting pipes in the ground. Typical unit processes of a water re-use system considered for Yellowknife included a septic tank for primary treatment, a biofilter followed by a slow sand filter for secondary treatment, and ozonation for disinfection of the water before it is re-used. Implementing a water re-use system in a house would

incorporate changes to the plumbing and electrical systems, and the building structure. The most important part of the system was the plumbing, which had to ensure a separation of the drinking and non-drinking water supply systems. Unfortunately, the Yellowknife initiative was not advanced beyond the conceptual design phase. In the State of Alaska, more than 2,600 rural homes lack running water and sewage collection systems. Existing water and sanitation systems include centralized laundry locations called washeterias, central water points, individual wells and in-ground systems, water and sewer truck or trailer haul systems, and piped water and sewer systems. All of these operate on a user-pay principle with no operating subsidies, which is contrary to the considerable operating subsidies provided to water and sanitation systems in the Canadian north. Decentralized systems with individual wells and septic systems are already in use in certain regions of Alaska. These are helped by the favourable in situ soil conditions. Trailer haul systems are also used; these are a scaled down version of northern Canadian truck-haul systems. Four-wheel all-terrain vehicles in the summer and snowmobiles in the winter pull specially designed trailer-mounted water or sewage containers. Conventional, community-wide piped systems in Alaska are increasingly expensive to construct, maintain and replace. The available capital funding cannot meet the demand for new systems and the rehabilitation of aging systems, which is estimated to cost close to $1.4 billion USD. As well, many communities cannot afford the high operation and maintenance costs associated with piped or haul systems. These emerging realities prompted Alaska to embark on the Alaska Water and Sewer Challenge in 2013 to hire groups of specialists to develop and implement decentralized water and water re-use systems. The process of selecting companies to do this work was unusual, because it did not include the typical “requests for proposal”. Instead, it asked for “expressions of interest”. The project also included

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Transporting a sewage "honeybucket" hopper. Photo credit: Alaska Department of Environmental Conservation, Village Safe Water program

seed funding of approximately $1.5 million to pay the selected companies to research and develop a useable technology. Six companies, out of an initial 18 that applied in the initial phase, advanced to the competition’s second phase, which ended with the presentation of proposals in late 2015. Phase three of the project was completed in 2017, with the development and testing of prototypes of the top three proposals from the second phase. The results of phase three were presented to the project’s steering committee. All three of the prototypes were tested, and the steering committee settled on the process technology that separates greywater from urine and feces with a dry toilet system. The only technology advancing is the prototype developed by the University of Alaska Anchorage. Greywater from the kitchen sink, laundry, shower, and bathroom sink will be recycled and made available at these locations as wash water for uses other than drinking and cooking. Separating the waste sources into a wash water system and a dry toilet was judged to be a means of eliminating the addition of “black water” into the treatment process. Work is underway to rollout the system with a number of pilot projects. One of the projects is a pilot test of dry separating toilets to evaluate how well it may be accepted by home owners. Another rollout for the pilot projects is the installation of a system in a student residential building at the University of Alaska in Anchorage, which will be a first step before rolling out into unserved communities. The program’s current goal is a secure, safe source of at least 55 litres of running water per person, per day in a four-person household. Wastewater management is an integral part of the Alaska system design, along with its introduction into existing housing units. In Canada, there is cautious optimism about the successful outcome of the Alaska Water and Sewer Challenge. Certainly, any successful technology may also have applications in northern and remote regions of Canada. Ken Johnson is with AECOM. Email: ken.johnson1@aecom.com www.esemag.com @ESEMAG

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February 2020  |  39


SPECIAL FOCUS: COLD CLIMATES AND REMOTE LOCATIONS

Cold water nitrification and cyanides removal for mining wastewaters By Myriam De Ladurantaye-Noël, Caroline Dale and Marc Laliberté.

R

egulations in Canada are such that mines are generally not allowed to discharge water acutely toxic to specific species of fish such as the rainbow trout (Oncorhynchus mykiss), the fathead minnow (Pimephales promelas) or invertebrates such as Daphnia magna. In addition, discharge limits are slowly being tightened due to increasing environmental concerns. Treatment for the removal of metals, nitrogen such as ammonia, nitrate and nitrite, as well as cyanide compounds such as cyanide, cyanate and thiocyanate, is often required prior to discharge to meet regulatory standards. In addition, most mining sites possess waste rock stacks and tailings ponds, which contain contaminated water due to surface run-off. This contaminated water can be stored in ponds in the cold for extended periods, thus requiring a robust water treatment plant capable of handling seasonal water temperature variations down to <5°C. Biological treatment has been used for

40  |  February 2020

The Eleonore gold mine in northern Quebec.

many years to remove carbon sources and nitrogen from municipal effluent, even in cold temperatures. There is a growing need for nitrogen removal from mining effluent. Laboratory and pilot-plant studies have confirmed that biological nitrification and denitrification could be sustained for mining effluent at very low

temperatures (<5 °C). Long-term results are now becoming available from fullscale installations. THE MBBR PROCESS The moving bed biofilm reactor (MBBR) is a fixed-film biological treatment process, which utilizes a high-density polyethylene

Environmental Science & Engineering Magazine


carrier as biomass support. These carriers provide a highly protected surface area for biofilm development. They have a density slightly lower than water, and are continually moved using air in aerobic systems and mechanical mixing in anoxic systems. Extensive studies were undertaken on municipal and industrial (mining) wastewater to demonstrate prolonged operation at low temperature (0.5 °C – 5 °C for three months) for nitrogen removal. Additional tests have been conducted for various mining sites to validate such efficiency, not only on nitrification, but also on biological cyanide compounds degradation and its impact on the mine effluent toxicity. Nitrogen removal rates in a biofilm system have been shown during these studies to be highly dependent on temperature. Typically, the design of a biological treatment will be done on the lowest water temperature, to ensure that there is sufficient capacity to achieve treatment under the worst conditions. In Canadian mine operations, the minimum tem-

perature at which nitrogen removal is required will frequently be below 5°C. The chemical composition of a mining effluent will vary depending on the mining operations and the ore being processed. A full effluent characterization is therefore required prior to the design of the treatment plant. The main contaminants of concern to be addressed using a biological treatment are: Ammonium and nitrate – These are usually found in mining effluent when explosives such as ammonium nitrate fuel oil (ANFO) are used for blasting. Cyanate (OCN-) – Cyanate comes from the detoxification process of the gold leaching process. This cyanide compound is not toxic to mammals and birds but is lethal to Daphnia magna. In a biological treatment, it is hydrolyzed to ammonium and bicarbonate. Thiocyanate (SCN-) – Thiocyanate is the product of the reaction between cyanide and pyrite. It is not toxic at the concentration usually found in gold mine

effluent. It is easily biodegradable and results in the production of ammonium. The biomass yield of the bacteria responsible for thiocyanate is low, but once the biomass is fully developed, it is very resistant and will dominate the biomass in the biological treatment. These bacteria are in strong competition with the nitrifying bacteria. Therefore, oxidation of thiocyanate becomes a priority upstream of any nitrification process as it will inhibit ammonium and nitrite removal. In all cases, metal concentration must be addressed upstream as copper will inhibit biological treatment if present at a high enough concentration. If present, copper is usually removed using a physico-chemical process. CASE STUDY – THE ELEONORE GOLD MINE In 2012, Veolia was hired to design and build a water treatment plant for Newmont’s Eleonore gold mine in northcontinued overleaf…

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SPECIAL FOCUS: COLD CLIMATES AND REMOTE LOCATIONS

control. Finally, the biologically treated effluent goes to a final clarifier for oxyanion (arsenic) and suspended solids (sloughed biomass) removal, prior to discharge to the environment. The whole treatment chain is designed to operate year-round. The key features of the original design for the biological treatment developed with the laboratory and validated with the pilot trial are: • Biological oxidation of SCN- and hydrolysis of OCN- in a first reactor; LABORATORY AND PILOT TESTING • Nitrification in a second reactor; Veolia proposed to add an MBBR to • Possibility of adding a denitrification the water treatment plant to hydrolyze reactor if required for complete nitrogen the cyanates and oxidize thiocyanates removal; and the ammonium to nitrate by biolog• Using a heat recovery system (better ical means. Laboratory testing had been FULL SCALE INSTALLATION Following the completion of the pilot recovery of the biological treatment after conducted to confirm that the process testing, a full-scale plant, without the bacteria die-off, faster biomass developcould eliminate the effluent toxicity. However, laboratory testing does not denitrification step, was implemented. ment during start-up, more flexibility of replicate loading and temperature vari- Mine effluent is first treated for metal operation if there is an unexpected peak ations. For this reason, a pilot plant was removal. Clarified water then flows to load outside the warm season). The biological treatment capacity at installed and operated from the fall of the biological treatment, which is com2015 through the winter of 2016. It suc- posed of two aerated reactors with pH the Eleonore mine is 147 kg N/d of cyaern Quebec. Completed in 2013, it used a metal precipitation reactor and a high rate ballasted flocculation clarifier, to remove suspended solids, metals (copper and iron) and arsenic. In 2015, mine effluent was still periodically showing toxicity to rainbow trout and greater daphnia, even when all metal concentrations were below regulated levels. The suspected cause of toxicity was a combination of cyanates and ammonia.

42  |  February 2020

cessfully demonstrated that the water after treatment was no longer toxic, even when the effluent was cold, and confirmed optimal reactor configuration for full-scale design. During the laboratory and pilot studies, it was demonstrated that the removal rates are controlled by regulating the concentration of dissolved oxygen, pH (by alkali dosage) and carbon dosage for the denitrification stage. The control of these three operating parameters led to higher removal rates in a well-established system. This allowed process performance to be maintained under a higher load or at a lower temperature.

Environmental Science & Engineering Magazine


NEWS New insight into Alaska’s permafrost nide species (17% as cyanide, 56% as A pioneering airborne electromagnetic thiocyanate, 27% as cyanate) and 462Fort kg survey in the Yukon Flats near N/d of ammonium, measured at 8°C. At Yukon, Alaska, by the US Geological the present no nitrate removal imis Survey hastime, yielded unprecedented required. ages of the presence and absence of perThe MBBR biological treatment wasIt mafrost to depths of roughly 328 feet. started in summer 2017 and the perforcaptured images of permafrost over a mance test waslarger completed in with November substantially area, and greater ofdata thatdensity, year. Since then, the process has than has been previously been operating continuously with data achieved using boreholes and groundcollected twice per day. based geophysics. "Liquid water conducts electricity RESULTS FROM FIRSTUSGS 30 direcbetter than ice," THE explained MONTHS OF OPERATION tor Marcia McNutt. "We can detect from Theairwastewater plant has been the the weak magnetic fieldsclosely genermonitored since its commissioning in ated by those electric currents, thus disorder to learn more about its capacity tinguishing quickly and easily melted infrom various operating folfrozen ground.conditions. This new The technollowing are the main findings. ogy, and the maps of changing perThe firstwill reactor of the biological treatmafrost, be valuable for both climate ment targets the oxidation of the thiochange research and engineering in the cyanates and hydrolysis of the cyanates. challenging Alaskan environment." The oxidation of thiocyanate Because the Yukon Flatsestablished is near the itself rapidly and been stable in all boundary betweenhas continuous permafrost operating conditions, even in cold water to the north and discontinuous permafrost

to the south, it is an important place to distribution is critical for analyses destudy permafrost dynamics. Dr. Burke signed to evaluate hydrologic and ecoMinsley, geophysicist in the USGS’ logic consequences of climate warming. Crustal Geophysics and Geochemistry It also provides a baseline for future inScience Center in Denver and lead author vestigation of the dynamic evolution of of the study in Geophysical Research Let- permafrost systems. ters, and his team surveyed more than 116 In addition, the study is important besquare miles, centered 140 miles northeast cause it presents a methodology for asBiological treatment reactors at the Eleonore mine site. of Fairbanks. Their data captures in detail sessing permafrost in other sub-Arctic the distribution of permafrost and its rela- and Arctic regions. The airborne aptemperature (down to 2.7°C). features. rate is extremely slow. Thus, the processof tion to surface and groundwater proach allows periodic monitoring Hydrolysis of cyanates been much mainly on biological degradation of It also captures thehas history of the relies perennially frozen ground over broad slower establish. Cyanates are not chemrequiredwarming nearly six months to YukontoRiver lateral migration over a pe- cyanate. areas, asItclimatic decreases the ically and hydrolyze to ammonium 80% removal, and and accelerates one year after riod stable of roughly 1,000 years, as mani- achieve extent of permafrost the and bicarbonate. However, at neutral pH start-up there was still improvement. fested as a thawed region of permafrost. emission of greenhouse gases. and Knowledge cold temperatures, the hydrolysis continued overleaf… of the current permafrost www.usgs.gov

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SPECIAL FOCUS: COLD CLIMATES AND REMOTE LOCATIONS

C

M

Y

CM

MY

CY

CMY

K

are developing well, even in cold water conditions. Water temperature has no observable impact on the cyanate removal for the whole duration of the project. The nitrification rate is known to be highly dependent on the water temperature. (See Figure 1) The plant is meeting the design criteria of oxidizing 462 kg N/d of ammonium, exceeding this value for extended periods. Biological treatment is operating close to the design criteria, but it was shown to be limited by pollutant loading more than global capacity, since the effluent quality remains excellent. The first winter was successfully operated at the design temperature of 8°C. In subsequent winters, the temperature was allowed to drift down naturally to reduce operating costs. The process was closely Figure 1. Ammonium and nitrite evolution in the biological treatment in relation to temperature. monitored for process performance and After 30 months of operation, cyanate all cyanate removal of over 90% was mechanical stability. The process achieved hydrolysis is now nearly complete in the achieved after nine months of operation. complete nitrification with water temperafirst reactor, improving from roughly 50% This shows that the bacteria that degrade tures as low as 3°C without any spike in of the cyanates leaving R1 in November OCN- are slow to develop, but eventually nitrite or ammonium in the effluent. This Waste Water products plus NMac 4.65 x 4.65.pdf 1 1/24/2018 7:37:09 AM 2017 to roughly 20% in 2019. An over- grow. It is also shown that these bacteria was corresponded to near the minimum influent temperature without heating. When the temperature dropped below 3°C, operators turned on the heater as a Pumps for all your waste water challenges precaution to prevent any risk of mechanical freezing in exterior piping and the  Thickened Sludge  Bio-mass  Thin Sludge field erected tanks.  Dewatered Sludge  Activated Sludge  Lime Milk In September 2019, the mine expe Auxiliary Flocculents  Combined Sewage  Flotation Sludge rienced a significant rainfall event and required an immediate discharge up CLASSIC TORNADO® T1 to the hydraulic capacity of the system. Rotary Lobe Although the ammonia load was similar, Pumps the flow was doubled in 30 minutes. The process experienced a short-term increase in effluent ammonia and nitrite values. NEMO® Progressing However, concentrations remained below N.Mac™ Twin Cavity Pumps toxic levels. After the event, the process Shaft Grinders re-established naturally without intervenFull Service-in-Place tion. This demonstrates the robustness (FSIP®) Pumps and flexibility of the biological treatment. ® Since the completion of the perforTORNADO® T2 NEMO Mini Rotary Lobe Pumps Metering Pump mance test, the mine has passed all lethality testing on both the greater magna and the rainbow trout, even when operating at a temperature below 5°C for several months. NETZSCH Canada, Inc. Tel: 705-797-8426 ntc@netzsch.com Myriam De Ladurantaye-Noël, Caroline www.pumps.netzsch.com Dale and Marc Laliberté are with Veolia Water Technologies. Email: myriam.deladurantaye@veolia.com

44  |  February 2020

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SPECIAL FOCUS: COLD CLIMATES AND REMOTE LOCATIONS

Automation helps maintain water tank levels and prevent freezing in colder climates By Alejandro Duque

T

here are many ways to store water in a distribution system and the control system is the key component to ensuring it is done right. Common practice is to use different forms of hydraulic altitude water control valves which use different control pilots, depending on application, to measure the tank levels and maintain or adjust water storage levels. The two key factors for water storage are to ensure the tank maintains the correct level and that there is water turnover to protect water quality. In colder climates, low tank turnover can lead to water freezing within it. Water in motion due to tank turnover is far less likely to freeze. Freezing can cause the altitude water control valve to lose the capability to sense a full tank and therefore can cause overflows. Freezing can also cause structural concerns internally, as well as externally, with ice pressure expansion on rivets, and bolted or welded seams. The additional pressure of freezing can also lead to pipe breaks and cause leaks where corrosion has occurred. In an ideal case, the altitude water control valve would control tank water level to the set maximum of a hydraulic control pilot. Following this, the altitude water control valve closes and then the distribution line is opened. This allows the tank to drain down to a satisfactory level, where enough water turnover has been accomplished, before the altitude water control valve opens again to fill the tank to the set maximum. In a two-way altitude water control valve situation, the same is true, except distribution is through the same valve as the filling cycle. In this case, the altitude water control valve would still close when the maximum of hydraulic control pilot is met. However, it would then re-open when the differential pressure in the line is reversed, allowing water to 46â&#x20AC;&#x201A; |â&#x20AC;&#x201A; February 2020

Tank application example.

distribute in the opposite direction. Ideal operation is not always easily achievable, as system characteristics can change continuously and affect the system. As system demand changes, so does the pressure in the system. It is not uncommon for the incoming pressure to an altitude water control valve to drop off. Altitude water control valves operate off the differential pressure of the inlet of the valve to the tank level head pressure. Consideration needs to be taken to ensure that the inlet pressure of the altitude water control valve is always greater than the tank level head pressure. If the system fails to have a greater inlet pressure, it essentially equalizes the inlet pressure of the altitude water control valve and tank level head pressure. With zero differential pressure, the altitude water control valve will essentially sit floating open, trying to fill the tank but never reaching the maximum level setpoint. With zero differential pressure, the system is essentially sitting at a static flow and pressure. Therefore, no water will flow in or out of the tank which means there would be no tank turnover. To fix this situation, the set maximum

of the hydraulic control pilot needs to be adjusted and set to the correct tank level. Or, the system inlet pressure needs to be increased above the desired tank level maximum setpoint. Adjusting the hydraulic control pilot entails a site visit to adjust the set screw of the altitude water control valve. This can be quite cumbersome in remote sites when many adjustments are needed to facilitate system changes. Increasing system inlet pressure entails either ramping up pumps in the system, or adjusting the feeder zone pressures higher. Both situations add time and cost, and can also increase water loss and add strain on the system due to extra pressure. This could result in additional pipe breakages. Many systems are moving towards full remote autonomy and control. Hydraulic altitude water control valves have controlled tank levels for many years, but now the same control can be done with control panels and instrumentation. By switching out the hydraulic control pilots traditionally used to sense level, and instead using electronic tank level/ pressure switches, or sensors paired with a control panel, the level control process can be achieved electronically.

Environmental Science &â&#x20AC;&#x2C6;Engineering Magazine


The hydraulic water control valve still remains. However, there is no longer the need for a complex hydraulic pilot system as mentioned above. Just a simple single solenoid is needed. Once automation control is installed, one of two operational sequences can be used to achieve the level control process. The first sequence entails using one level/pressure switch located at the maximum level setpoint and a secondary at the tank drawdown setpoint. If the water level is located below the tank drawdown switch, the panel will open the control valve via the solenoid and allow the tank to fill until the maximum level switch is contacted. The panel will then close the control valve using the solenoid. This control valve will remain closed until the tank level is drawn again below the drawdown switch. Although this is an effective technique and provides more flexibility than the basic hydraulic altitude water control valve, the maximum level and drawdown switches are still sitting at a constant level. They would need to be adjusted accordingly on site to allow for variations of the setpoint, which is sometimes needed to adjust to system changing pressures. A more versatile option is to use a level/ pressure transmitter. These are available in all shapes and forms to fit specific tanks and offer a 4-20mA feedback signal to the control panel that gives exact tank level. Having a live feedback signal allows the panel to offer up a lot more options in the way the tank level setpoints are set. The level control panel can then offer a variable setpoint for both the maximum level and drawdown that can easily be changed via a user interface on the panel. This eliminates the need for site visits to change any setpoints and allows the system’s setpoints to be changed as needed to ensure optimum operations. The level control panel with touch panel (LCP-TP) interface designed by Singer Valve was created to accomplish optimum level control feasibility and flexibility. It is designed to complement a single solenoid operated/override control valve and 4-20mA level sensor or high/low level switches. This combination package works well for filling any kind of tank that requires filling to a level www.esemag.com @ESEMAG

setpoint and then drawing down the level of the tank to a secondary setpoint. It then activates the fill cycle again, ensuring water turnover. The LCP-TP is quick and easy to configure to read and compare the level 4-20 mA signal to the desired setpoint. Setpoints can be set locally via an interactive button display screen or remotely via either SCADA Modbus or hardwired 4-20 mA remote setpoint signals. If a high/low level switch system is preferred, the LCP-TP can switch configuration to allow for level switch inputs and regulate the control valve accordingly. Data logging is also a useful feature to log sensor feedback and setpoint data with a time stamp, allowing for system analysis. For the user who wants to set up a full communication network that has access to all storage tanks and controls them remotely, it is easy to do with Modbus and remote 4-20mA communication options. For the user that has a remote site, but wants to be able to data log and analyze

the tank turnover, the LCP-TP offers the data logging feature. Either option offers lots of feedback and traceability of the system operation. Based on this information, the tank level setpoints can be adjusted to match the needs/demands of the system with simple interaction to ensure it can function optimally. The ability to take all the information and then easily adjust the tank setpoints is a huge benefit. The LCP-TP itself does not eliminate tank turnover issues. Systems still need to be operated correctly. But having access to all the feedback information should allow insight into doing so. Alarm/notification means operators instantly know if something goes wrong with the system. Procedures can then be set in motion right away to rectify the problem. Alejandro Duque is with Mueller Water Products. Email: aduque@muellerwp.com, or visit www.muellerwaterproducts.com

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SPECIAL FOCUS: COLD CLIMATES AND REMOTE LOCATIONS

Addressing Iqaluit’s water emergency with innovative engineering, ecosystem protection By Erica Bonhomme, Matt Follett and Arlen Foster

T

he City of Iqaluit is the capital of Nunavut and a thriving and growing Arctic community of approximately 8,000 residents, government offices and small to medium-sized businesses. Iqaluit obtains and distributes potable water to its residents and businesses from Lake Geraldine, an engineered reservoir located approximately one kilometre north of the city centre. The reservoir is currently designed to provide water to a population of up to approximately 8,300 people. Lake Geraldine is refilled annually during the open water season (spring to fall) by natural inflows from snowmelt and precipitation. Summer capacity of the reservoir is about 1.8 million m3. However,

48  |  February 2020

or firefighting. The reservoir must be at full capacity at the onset of winter, to reduce the risk of potential water shortages during the cold months. In the summer of 2018, after a dry winter and meagre spring runoff (freshet), it was predicted that the reservoir would not fill to full capacity naturally prior to the next winter. The Chief Medical Officer of Health identified the potential shortage of potable water as a public health emergency. A short 2019 freshet and sealift delay began indicating that Iqaluit would be dealing with another emergency situation. By early summer 2019, after again preTHE PROBLEM Over the past several years, more than dicting a potable water shortage for the 80% of the available water stored within coming winter, the Minister of CommuLake Geraldine has been used over the nity and Government Services declared winter. This leaves little for unantici- the situation an emergency for the second pated uses of water, such as major leaks continued overleaf… approximately 700,000 m3 of this is converted to ice during the winter months. Over winter, Iqaluit draws down from the approximately 1.1 million m3 of available liquid water in the reservoir. As the population of Iqaluit grows and as a result of aging infrastructure losses, water demand has been increasing. Each year, the city is at risk of an over-winter water shortage. As such, it has begun to study the feasibility of additional sources and storage of water, with the aim of implementing a permanent additional supply to Lake Geraldine by 2026.

Environmental Science & Engineering Magazine


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February 2020  |  49


SPECIAL FOCUS: COLD CLIMATES AND REMOTE LOCATIONS

consecutive year. Compounding the 2019 water shortage, flows in regional watersheds were at historic lows throughout summer, limiting what may have been a re-implementation of the 2018 solution. THE SOLUTION Over a period of just several weeks in both 2018 and 2019, Nunami Stantec designed systems to supplement water from the Apex River watershed to Lake Geraldine. Despite the urgency of the situations, the design of water supplementation was carefully planned to protect the Arctic char of the Apex River and their habitat. The designs directly used the geomorphology and hydrology of the local watersheds to optimize the use of equipment and water conveyance. In September 2018, just under 200,000 m3 of water was transferred from the Apex River to Lake Geraldine. This filled the reservoir to spillway elevation. In 2019, approximately 460,000 m3 of water was transferred from Unnamed Lake to the Apex River, and 570,000 m3 were transferred from Apex River to Lake Geraldine in just over one month. This filled the reservoir to within 15 cm of spillway elevation. The dual sources used in the 2019 program required careful planning, consideration of complex logistics, specialized design, and close monitoring over the duration of the project.

Layout of the 2019 emergency resupply project showing the piping system from Unnamed Lake to Apex River and then to Lake Geraldine. Arrows indicate pumped water flow.

water to the river system when flows were below 30% mean annual discharge. Through close communications with Fisheries and Oceans Canada (DFO) biologists, Nunami Stantec biologists and 2019 Project Layout geoscientists designed and implemented a fish and fish habitat monitoring proCOMMUNITY IMPACT AND gram in 2018 that was used to confirm ENVIRONMENTAL CONSIDERATIONS these predictions. The design of the 2019 Upon recognizing potential water program, combined with the monitorshortages in 2018 and 2019, Iqaluit initi- ing completed in 2018 was sufficient that ated public communications to encourage DFO did not require fish and fish habitat conservation and implemented various monitoring in 2019. loss and demand reduction initiatives. The potential for Unnamed Lake to Despite the emergency circumstances, be used as a water source was identified the city wanted to avoid permanently by Nunami Stantec during a feasibility impacting aquatic ecosystems and cultural study in 2017 and furthered through conresources. The Apex River is known to sultations with the Amaruq Hunters and have a resident population of Arctic char, Trappers Association. They also provided identified during previous studies. Nun- advice on the cultural use of the area. ami Stantec designed and implemented Due to the overlap of some of the projthe 2018 and 2019 supplementation proj- ect infrastructure with a traditional trail, ects in a way that would not significantly Nunami Stantec completed an archaeoimpact fish and fish habitat. This meant logical survey of the project area, during maintaining withdrawals at less than 10% which a new site was documented. All of the flow of the river, and by adding project components related to design and

50  |  February 2020

execution were considerate of ecological, environmental and cultural factors. 2018 EMERGENCY RESUPPLY In 2018, while the environmental aspects of the challenge were being managed, the municipal engineering team of Nunami Stantec was active designing a pumping and piping system that would transfer the nominated volume of water to Lake Geraldine in the short remaining season. The exercise required Nunami Stantec to complete the following tasks: • Evaluate route options from Apex River to Lake Geraldine and from Apex to an adjacent lake in the Geraldine watershed; • Prepare profiles of each route; • Evaluate the hydraulics of the most favourable routes to Lake Geraldine with a multiple set of 100 mm diameter hoses, which were available in Iqaluit (Government of Nunavut owned), with two possible submersible pumps; • Complete design for the pumping and piping schematic including Fisheries and Oceans Canada intake screen require-

Environmental Science & Engineering Magazine


ments, metering requirements, distribution manifold design, and options for arrangement of the available hoses to optimize transfer volumes. The system design needed to ensure the transfer of up to 400,000 m3 of water in 60 days, pumping 20 hours per day. The project team completed a pumping analysis and determined that it was possible to meet these requirements utilizing the available 100 mm firehose. They also determined that transfer of the required volume of water could be completed with Top: Hose distribution two Flygt BS-2201 submersible pumps. manifold at Unnamed Lake. 2019 EMERGENCY RESUPPLY The 2019 water supply project was based on sourcing from the Apex River, but there were some significant differences to the 2018 design. This water supply emergency was more complicated to resolve than in 2018 in several ways. Firstly, water levels in Lake Geraldine were lower than in 2018. In fact, they were at historic lows due to the previously

Right: Pumping system discharge to Apex River.

noted low runoff in the spring of 2019. This required doubling of the desired pump rate from 95 litres per second (2018) to 200 litres per second. Secondly, as noted previously, the historic low flow levels in the Apex River prevented pumping at the required rate as it exceeded the DFO required minimum

river flows and maximum withdrawal rates. Otherwise the pumping rate would have taken all the water from the river. Therefore, maintaining these minimum river flows to prevent harmful effects to fish, required transferring water from another source to increase the flow in the

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February 2020â&#x20AC;&#x201A; |â&#x20AC;&#x201A; 51


SPECIAL FOCUS: COLD CLIMATES AND REMOTE LOCATIONS

Apex River. This was the Unnamed Lake. In the early spring of 2019, before the status of the emergency was fully clear, Nunami Stantec had completed the design of the 300 mm HDPE piping and pumps system from Apex River to Lake Geraldine as a semi-permanent installation. The new Sulzer J604 pumps were optimized for the final route and piping type. Piping and pumps were sourced and shipped on the first sea lift to Iqaluit and were installed in the selected route from Apex to Geraldine in August 2019. By the time the 2019 water emergency was present, this new piping configuration was available for use. Due to the higher flow capacity of the 300 mm piping, the higher pump rate from Apex to Lake Geraldine was able to be accommodated. To address the water transfer from Unnamed Lake, Nunami Stantec evaluated aerial photography and available digital terrain mapping, and selected a functional route from Unnamed Lake to the Apex River. This routing was longer than the Apex to Lake Geraldine route which would normally require additional pumping energy, but with a much lower head requirement due to differing elevations. Numami Stantec repurposed the flexible hoses and manifolds used in 2018 and determined that it would be possible to pump water from Unnamed Lake directly into the Apex River. This would require different pumps and a secondary generator site. Both the Apex River and Unnamed Lake pumping systems were put into operation at the same time. Both functioned as designed, continuously pumping at rates of between 150 and 200 litres per second, for up to 24 hour per day, until Lake Geraldine was filled. The final outcome of pumping from Unnamed Lake into the Apex River, and from the Apex River to Lake Geraldine, allowed Lake Geraldine to be brought up to the maximum full level prior to freeze up in September. Apex River maximum withdrawal and minimum thresholds were also met.

Apex River Site, pipeline installation to Lake Geraldine.

Upper Apex River, flow monitoring near Unnamed Lake discharge into Apex River.

plementing from Apex River is intended to begin in spring of each year until a permanent supply is implemented demonstrating the efficacy of this solution for the medium term. PROJECT LEGACY Supplementation from Unnamed Lake The design of the 2018 emergency sup- allowed valuable hydrological data to be ply project has been used as the basis to collected for the Apex River watershed as install a semi-permanent pipeline from a whole. This will inform the City of Iqathe Apex River to Lake Geraldine. Sup- luit’s ongoing studies of long-term water

52  |  February 2020

supply. An access road constructed to Unnamed Lake will facilitate future supplementation efforts and provide access to recreational areas. Erica Bonhomme, Matt Follett and Arlen Foster are with Stantec. For more information, email: matt.follett@stantec.com

Environmental Science & Engineering Magazine


The less you lose, the more you gain. The more water you keep in the system, the more revenue you keep in as well. And Mueller Water Products is the one company that has solutions to address water loss from every angle – detection, monitoring, control and repair. Just a few of the many ways we can help guide you confidently into the future. To learn more about Mueller® non-revenue water solutions, visit www.muellerwp.com/NRW or call (U.S) 866-729-3550 or (Canada) 705-719-9965.

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SPECIAL FOCUS: COLD CLIMATES AND REMOTE LOCATIONS

Without glacial meltwater river flows are reliant on annual snow melt and rainfall, both of which cannot necessarily be relied upon throughout the year.

Scientific assessments of climate change in northern regions By Ric Horobin and Xin Qiu

O

ften, the scientific assessment of climate change scenarios seems to be carried out separately from an assessment of the local impact that will be felt, and in many places is already being felt, as a result of a warming world. This is particularly true in large parts of northern Canada that are warming faster than other parts of the planet. The question around climate change is most often that of what we need to do to reduce emissions of greenhouse gases. That is an important question to ask. Less often is the question posed as to what we can do to try to solve some of the problems that already exist. While this may be less of an existential question, it is still a question that needs addressing, because the impacts at a local level are sometimes several stages removed from the direct effect of a warming climate. As an example of this, melting permafrost has the potential to release methane, a powerful greenhouse gas, into the atmosphere, further enhancing man-made climate change. However, the impact of melting permafrost is already being seen on ground engineering where foundations are no longer able to support build54â&#x20AC;&#x201A; |â&#x20AC;&#x201A; February 2020

ings and roads are damaged as a result of the changing ground conditions. SLR Consulting have been working on this problem for several years now. Dr. Xin Qiu has been modelling the likely impact of a warming climate on a variety of different issues, from mine tailings dam stability to the development of a new building code for Ontario. Dr. Ric Horobin has been developing engineering strategies to deal with the effects of a changing climate on ground stability and groundwater movement. Climate models are based on well-documented physical processes to simulate the transfer of energy and materials through the atmospheric system. Climate models, also called general circulation models (GCMs), use mathematical equations to describe how energy and matter interact in different parts of the ocean, atmosphere and land. Establishing and running a climate model is a complex process of discovering and quantifying Earth system processes, representing them with mathematical equations, setting variables to represent initial conditions and subsequent changes in climate forcing, and repeatedly solving the equations using powerful supercomputers. Once a climate model can perform well in hind-casting tests, its results for sim-

ulating future climate are also assumed to be valid. To project climate into the future, the climate forcing is set to change according to a possible future scenario. Scenarios are possible stories about how quickly human populations will grow, how land will be used, how economies will evolve, and the atmospheric conditions (and, therefore, climate forcing) that would result for each storyline. In 2013, climate scientists under the Intergovernmental Panel on Climate Change agreed upon a new set of climate forcing scenarios that focused on the level of greenhouse gases in the atmosphere in 2100. Collectively, these scenarios are known as representative concentration pathways or RCPs. Each RCP indicates the amount of climate forcing, expressed in Watts per square metre that would result from greenhouse gases in the atmosphere in 2100. Around the world, different groups of scientists have built and run models to project future climate conditions under various scenarios for the next century. The model results demonstrate that global temperatures will continue to increase, but show that human decisions and the behaviour we choose today will determine how dramatically climate will change in the future. The latest, internationally contributed GCMs and their output are organized by CMIP 5 and 6 (Coupled Model Intercomparison Project Phase 5 and 6 (ongoing)), under the World Climate Research Programme. GCMs are the best tools for computing future temperature, wind and precipitation (or other climatological variables), but their limitations do not let them calculate local details for these quantities. Teams of scientists around the world develop various climate downscaling to address the issues from GCMs. Based on these, downscaling makes use of systematic dependencies between local conditions and large-scale ambient phenomena, in addition to including information about the effect of the local geography on the local climate. For example, the Pacific Climate Impacts Consortium and the Ontario Climate Data Portal provide practical information on the physical impacts of climate variability and change in Ontario, the

Environmental Science &â&#x20AC;&#x2C6;Engineering Magazine


Yukon, and the Pacific regions of Canada. One of the primary effects of climate change is the disruption of the water cycle. Since so much of everyday life and planning is determined by hydrological systems, it is important to understand the impact that climate change is having (and will have) on water supplies, infrastructure, food and energy production. Increased variability in precipitation and more extreme weather events caused by climate change can lead to longer periods of droughts and floods, which directly affect the availability of, and dependency on, surface and groundwater. In northern regions, climate change impact is much more significant. Permafrost covers about 24% of the exposed landmass of the Northern Hemisphere – about 9 million square miles. It is found at high latitudes and high altitudes, mainly in Siberia, the Tibetan Plateau, Alaska, Northern Canada, Greenland, and parts of Scandinavia and Russia. The continental shelves below the Arctic Ocean, which were exposed during the last ice age, also contain permafrost. However, polar and high-altitude regions are some of the most climate-sensitive places on the planet. The Arctic is warming twice as fast as the rest of the planet, at a rate of temperature change that has not been observed in at least the last 2,000 years, according to the National Oceanic and Atmospheric Administration. In 2016, annual average surface temperatures were 3.5°C warmer than they were at the start of the 20th century. Permafrost temperatures in the Arctic were the warmest ever recorded. A good example of the real-world practicalities of a changing climate is the impact on ground engineering. A reduction in the effectiveness of building foundations has been seen in the northern cities, particularly in Russia. Buildings once considered stable are starting to subside as a result of melting permafrost. This is not a new problem as can be seen from subsidence of historic buildings constructed in Dawson City, Yukon Territory. Many new engineering projects are required to be designed to withstand the impact of climate change. Without a clear assessment of the link between the GCM outputs at a global level and the www.esemag.com @ESEMAG

impacts observed at a local level, designers often take a precautionary approach and over-design and hence over-engineer, with the resultant increase in cost and use of resources. Another example that requires additional research is the field of water resources. In many parts of the world, glacial ice provides a slow release of long-term water storage during dry summer months. Without this store of water, river flows are reliant on annual snow melt and rainfall, both of which cannot necessarily be relied upon throughout the year. This results in rivers that are more prone to rapid rises and falls in their flow rate and, therefore, they are less reliable as a source of water for communities, towns and cities downstream. This has been well documented in the Himalayas in northern India and Nepal, but there is also risk in parts of Canada where groundwater resources, which are used for water supply, are fed partly by river flow, which in turn relies on glacial

meltwater for its regular supply throughout the year. Recent research has shown that the depth to the water table can have a significant impact on heat fluxes across the land surface, which in turn suggests a strong linkage between the climate system and groundwater. Physically-based, fully-integrated surface/subsurface models have only recently emerged and more research is needed in order to be able to adequately address the real and potential impacts. Our role as scientists and engineers must be to advance not only understanding of the climate system at a global level, but to bring together experts from different areas in order to address the impacts, real and predicted, at a local level. Dr. Ric Horobin and Dr. Xin Qiu are with SLR Consulting (Canada) Ltd. For more information, email: rhorobin@slrconsulting.com, or xqiu@slrconsulting.com

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February 2020  |  55


BIOSOLIDS

New Monitoring technologies enable biogas plants to optimize Their efficiency By Antti Heikkila

W

aste management presents a significant challenge to communities, with wastes increasingly being viewed as resources. Organic wastes are a particular concern because of their potential to produce methane, a powerful greenhouse gas. However, the gases from the anaerobic digestion of organic wastes can be contained and utilized as a source of renewable energy. Combustion of the gas produces renewable heat, or, in a combined heat and power (CHP) engine, it produces both electricity and heat. Biogas can also be upgraded to biomethane (>99% methane) for compression and injection into the natural gas grid or for use as a transport fuel. Anaerobic digestion plant operators can also generate income by exporting electricity to the grid, by selling heat or biogas to local businesses or communities, and by charging a gate fee for incoming waste materials. The digestate produced by such plants is rich in nutrients and can be used as a soil fertilizer and conditioner. Regardless of the process, all plants need to optimize biogas production, while minimizing costs, waste and down time. However, biogas is corrosive and potentially explosive, so in the past it has not been possible to conduct in-line monitoring. Until recently, the only solution has been to extract samples for analysis outside of the process. Seeking to enable effective process optimization, Vaisala developed the MGP261, an in situ biogas monitoring instrument, for the simultaneous measurement of methane, carbon dioxide and humidity. It is Ex certified up to Zone 0/1, which enables in-line installation in pipes and ducts where explosive atmospheres exist, with the area surrounding the pipes classified as Zone 1.

Installing a MGP261, an in situ biogas monitoring instrument.

ent groups of bacteria, and a key feature of effective biogas process optimization is the maintenance of a healthy balance of these microorganisms. The four main processes are: Hydrolysis – Complex organic matter such as proteins, carbohydrates and fats are broken down by bacterial enzymes into sugars, fatty acids and amino acids. Acidogenesis – Various fermentation reactions convert larger molecules into organic acids, alcohols, ammonia, carbon dioxide, hydrogen and hydrogen sulfide. Acetogenesis – Fermented products are oxidized into simpler forms such as acetate and carbon dioxide. Methanogenesis – Archaea (single cell organisms) convert hydrogen and acetic acid into methane and carbon dioxide. Any disruption to the last two processes will result in a lowering of biogas yield and can be detected by changes in the methane to carbon dioxide ratio. Hence, the requirement for continuous monitoring.

PROCESS MONITORING FOR IMPROVED EFFICIENCY ANAEROBIC DIGESTION Four main processes take place inside Biogas is typically 50% – 75% methane, the digester to produce biogas. All of with the majority of the remainder being these processes are mediated by differ- carbon dioxide and water vapour, with

56  | February 2020

small amounts of other gases. By monitoring methane it is possible to measure the successful operation of the plant. By monitoring the methane to carbon dioxide ratio, the plant operator is provided with a continuous real-time indicator of digester behaviour and the status of the digester’s microorganisms. Data on methane and carbon dioxide can be used in a number of ways. It can be used by the operator to adjust loading rate and feedstock type if possible, in order to improve the status of the bacteria. Where the biogas is being used by an engine, the measurements can be used to optimize engine performance. Where it is being refined for injection into the grid, the data can be used to inform the biomethane upgrading process. Of course, it is also possible to extract samples from the reactor for subsequent laboratory analysis. This can provide an accurate indication of process conditions, but the delay (and cost) of doing so means that timely or automatic action to optimize the process is not possible. In-line monitoring of biogas methane and carbon dioxide helps to reduce the requirement for laboratory analysis. continued overleaf…

Environmental Science & Engineering Magazine


REINVENTING THE CHEMICAL DOSING SYSTEM The DICE Dosing Module, by Meunier Technologies, integrates all the necessary discharge components required for a typical chemical dosing system. The block type design allows for a rigid, compact and reliable product, and the significantly reduced number of connections greatly decreases leakage potential. The module allows for better precision and protection in the dosing system, and also features great quality due to its machined fabrication. The Dosing Module overcomes the many fundamental problems of the current piping system design: • Poor quality of the piping connections; • Many potential leakage points; and • Excessive vibration caused by the pump pulsation – which leads to mechanical fatigue on connections and components. Other features include: • Integrated: ° Ball valves for outlet, calibration column, and drainage; ° Auxiliary ports: pulsation dampener, washing port, transport/dilution water and secondary pumps; ° Adjustable back pressure valve; ° Adjustable pressure relief valve; ° Pressure gauge with isolator; and ° Standard design that fits all your essential needs. • Extensive reliability and durability; • No threaded or glued connections; • Extremely compact design resulting in minimal footprint; • With only 3 supporting bolts and 4 connections, the module can easily be installed on new and existing systems (retrofit); • Possibility of having only 1 Dosing module for 3 pumps (1 injection point, 3 pumps); and • Capability of calibrating the pump with the correct suction head and discharge pressure.

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BIOSOLIDS WHY MONITOR BIOGAS HUMIDITY? Humidity in biogas represents a potential problem for a number of reasons. Humidity in gas may condense with changing pressure or temperature, in the pressure regulator or in transfer pipes, for example. Such condensation can cause serious damage and must be avoided. Similarly, excessive humidity in biogas fed to the CHP engine increases moisture in engine oil and results in a need to replace engine oil more frequently. Obviously, engine downtime for service maintenance or repairs should be minimized because this may result in flaring which can reduce revenue. Humidity is also a serious consideration in the operation of activated carbon filters, because they are designed to work within specific humidity ranges. Carbon filters are commonplace because biogas impurities such as hydrogen sulfide, siloxanes and a range of other organic gases need to be removed to prevent damage to the engine, or to generate biomethane of sufficient purity to

be suitable for gas-to-grid applications. Excessive humidity causes carbon filters to wear out prematurely, resulting in a costly requirement for refilling. Some plants need to change them several times a year. However, too little humidity can also be a problem for some filters, resulting in the inefficient operation of the carbon filter. WHY MEASURE IN SITU? In the past, the only option was to employ biogas analyzers which extract a sample for subsequent measurement by electrochemical or fixed wavelength infrared instruments. These technologies require frequent recalibration, which can be costly, labour-intensive, and potentially harm the plant’s capability to monitor continuously. Pumps and gas tubing are required and it is necessary to dry the sample to prevent the errors and potential damage incurred by condensation. These instruments are therefore unable to measure sample humidity. This also means that the measure-

ments from extractive instruments are given on a dry basis. Such readings, by definition, will be higher than those from an in situ probe measuring on a wet basis. Vaisala’s MGP261 can provide measurements on either basis. Sample extraction in cold climates also risks freezing of the sample line, which inhibits flow and leads to erroneous data. This problem could be rectified by trace heated lines, but they are expensive. SUMMARY Effective biogas process optimization requires in situ monitoring of the key parameters, methane, carbon dioxide and humidity. Monitoring technology can help derive more value from waste, improve the profitability of biogas plants, help reduce waste, lower greenhouse gas emissions and recycle agricultural nutrients. Antti Heikkila is with Vaisala. For more information visit www.vaisala.com/biogas

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Environmental Science & Engineering Magazine


INSTRUMENTATION

Cloud-based alarm and monitoring systems cut costs, while improving productivity

F

acing tremendous growth, one town’s water and wastewater system had to prepare to support new residents and businesses, while keeping costs in check. Its current system serves 1,670 sewer-use customers across approximately 47 square kilometres, providing 2.08 – 2.3 million litres per day (MLD) of wastewater treatment through its network of eight lift stations, and another 0.83 MLD at a water booster station. The town recently approved building 890 new homes within town limits, plus the possibility of an additional 1,200 homes in adjacent areas, all of which are to be served by its water/wastewater department. To support this growth, the community plans to build an additional four pump stations in the coming years.

from AlarmAgent, they only need go out to stations three days per week – twice to check on them and once for maintenance and cleanup. The system is helping the town save over $9,000 just in annual phone line costs, not to mention the hassle, hours and cost of driving to each station. AlarmAgent monthly monitoring services run at just $30 per station, comRemote monitoring reduces the amount of pared to $115 per month per station for time maintenance staff spend driving to, and landline-based monitoring. checking, remote lift stations. Operators can now monitor all pumps remotely and be alerted when anything ingly remote stations to ensure the sys- is amiss, before the problem escalates. tem is functioning properly. AlarmAgent can also help the team assess Given these factors, the town decided which pumps are working near or beyond to use RACO’s AlarmAgent, which uses capacity, enabling preventative maintecloud-based alarms and monitoring that nance and rebalancing of the system. AlarmAgent has also eliminated the can span a larger area at a lower cost than GROWING PAINS traditional landlines. Town staff were able need for paper logbooks. Automated As the service area grows, so will the to handle the simple installation, as the reporting offers far more information, challenges. The water and wastewater units fit directly into existing panels with including a dashboard full of vital details. department has relied on RACO Verba- no need for modifications. Cloud-based alarms instantly notify the tim® units for years. However, the costs Now that the system is live, staff can entire team, with customizable notificaof installing and maintaining new phone use AlarmAgent to tell them what is tion preferences that best use staff time. lines are unsustainable as more remote going on with the stations. When they locations come online. Also, the small were dependent on phone lines, opera- RACO is represented by SPD Sales staff of just seven full-time employees tors went to check each station daily. Now Limited. For more information, email: must spend more time driving to increas- that they receive a report every morning info@spdsales.com

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February 2020  |  59


BIOSOLIDS

Analyzing heating requirements for mesophilic and thermophilic biosolids digestion By Ivan Drako

S Primary digesters at Toronto’s Ashbridges Bay Treatment Plant, which were used for comparative analysis of heating energy demand for mesophilic and thermophilic anaerobic digestion.

60  |  February 2020

tabilization of organic materials and biosolids, primary clarifier raw sludge and waste activated sludge that are generated at wastewater treatment plants, is achieved mainly in anaerobic digesters that use suspended-growth treatment processes. The main objective of stabilization is to reduce the volume of solids for disposal, make the digested sludge less odorous and putrescible and reduce the content of pathogenic organisms and helminths (parasitic worms). Anaerobic digestion (AD) occurs through several sequential biochemical reactions, including hydrolysis, acidogenesis, acetogeneses and methanogenesis. The product of each reaction depends on the previous biochemical reaction prod-

Environmental Science & Engineering Magazine


ucts and process conditions, including substrate composition, temperature and pH. Based on the temperature range maintained during organic material stabilization and the present biological community (groups of anaerobic microorganisms involved in the process), anaerobic digestion may operate under mesophilic (30°C – 38°C) or thermophilic (49°C – 57°C) temperatures. For referenced anaerobic digestion operation temperatures and established opinion on the process energy demand for AD reactor heating, the mesophilic AD is widely used, in most cases because of its supposedly lower demand for anaerobic digestion heating and better stabilization. This opinion is inconclusive and is qualitative, rather than quantitative, due to lack of comprehensive data or explicit analysis. The objective of this article is to compare the heating requirements of both mesophilic and thermophilic anaerobic digestion operating modes and provide some analysis and conclusions based on the results. Key features of both anaerobic digestion modes are provided in Table 1. This data will be used for the analysis and discussion that follows. MESOPHILIC AND THERMOPHILIC ANAEROBIC DIGESTION REACTORS For the comparative analysis of mesophilic and thermophilic anaerobic digestion, we will use a reactor with a fixed concrete roof and conical floor slab, 33.5 m diameter, 10.8 m operating water depth, and 12.2 m side wall height. The above grade wall height and below grade wall depth of the digester structure is approximately equal. The above grade structure is a thermally insulated structure. Its below grade structure has thermal insulation between the structure and the soil installed to the frost line depth only. There is no insulation in the deeper digester wall section, or beneath the base slab. Total operation volume is 9,840 m3. Biochemical reaction rates increase with increased temperatures. This is in accordance with the Arrhenius relationship whereby the process rate is increased 1.5 times for each 10°C temperature rise. Therefore, thermophilic anaerobic digeswww.esemag.com @ESEMAG

tion is faster than mesophilic AD for the same or greater volatile solids (VS) reduction. As the operating temperature is increased, the minimum mean cell residence time is reduced significantly. This means that, at a higher temperature, the system can be operated at lower mean cell residence and hydraulic retention times. Also, a smaller reactor volume can be used. Based on this precondition, for the

comparative analysis, a reactor having a smaller reactor volume, two-time smaller operation volume of 4,920 m3, is also reviewed as a thermophilic anaerobic digester (called further as “50% Volume”). The reactor has a similar operational characteristic (digested sludge volume by process time combination effect) as the mesophilic AD reactor of the 9,840 continued overleaf…

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www.xypex.com February 2020  |  61


BIOSOLIDS

Parameter

Mesophilic AD

Thermophilic AD

35 – 38

50 – 55

Tolerated Temperature Fluctuation, °C

3–5

1–2

Heating Requirement (qualitative)

lower

higher

Hydraulic Retention Time (HRT), day

15 – 25

3 – 10

Max COD Reduction, %

65 – 85

85 – 95

Max BOD₅ Reduction, %

60 – 80

80 – 90

Max Organic Material Reduction, %

45 – 55

55 – 70

Biogas Production (Nm³/1000kg dry org. material)

920 – 980

950 – 1000

Methane Gas Content, %

60 – 70

70 – 85

Pathogen and Helminth Destruction, %

60 – 70

Complete*

Daily Solid Feeding Volume, volume

1

2

Temperature, °C

Table 1: Operating and controlling parameters. *Meets the “Class A” biosolid classification set by the United States Environmental Protection Agency.

Parameter

Mesophilic AD

Thermophilic AD

37

55

–35 to +40

–35 to +40

HRT, days

15

7.5

Total Solids (TS) in Primary Sludge, %

5

5

Volatile Solids in Primary Sludge, % of TS

65

65

Organic Material Reduction, %

50.0

62.5

Biogas Production (Nm³/1000kg dry org. material)

950

975

Methane Gas Content, %

65

77.5

Sludge Temperature, °C * Outdoor Temperature Variation, °C

Table 2: Applied assumptions.

*The required sludge temperature is achieved by transferring heat from hot water to the sludge via a heat exchanger, followed by recirculation of the sludge to the digester to keep it constantly suspended and to prevent solids and temperature stratification in the digester reactor. 62  |  February 2020

m3 volume. It has the following physical dimensions: 26.6 m diameter, 8.6 m operating water depth, and 10.1 m side wall height. The roof and floor construction, thermal insulation and installation conditions are the same as the digester reactor described previously. For the comparative analysis, some applied assumptions are summarized in Table 2. ANALYTICAL RESULTS Thermodynamic analyses conducted on the digester structure to calculate heat losses for each season’s temperature, anaerobic digestion mode and reactor size are presented as sludge temperature rises that should be provided in the heat exchanger to compensate for the outward heat dissipation through the digester structure and piping over time as shown in Figure 1. Hourly heat requirements to support digestion for each season’s temperature, anaerobic digestion mode and reactor size are presented in Figure 2. Heat energy demand required to digest one m3 of sludge within the respective digestion period (HRT) for each season’s temperature, anaerobic digestion mode and reactor size are presented in Figure 3. The heat loss balance of a digester is affected also by the addition of raw primary sludge and total waste activated sludge (TWAS) that may take place one or two times per day. The added “fresh” sludge quantity is usually limited to some pre-assigned volume in order not to upset the digestion process. Figure 4 shows the estimated digester sludge temperature drop when the quantity of the added sludge varies from 1% to 6 % of the total digester operation volume. As a conservative approach, it was assumed that the average temperature of raw primary sludge is +15°C and that the sludge is added as one slug to the digester and instantaneously mixed. For our case, the volume of the added sludge would be 1.5% and 3% and the temperature drop would be around 0.30°C and 0.65°C for mesophilic and thermophilic AD, respectively. These temperature drops appear to be less than the tolerated temperature ranges referenced in Table 1. Therefore, the digestion process would not be compromised. Environmental Science & Engineering Magazine


Analytical Results Thermodynamic analyses conducted on the digester structure to calculate heat losses for each season’s temperature, anaerobic digestion mode and reactor size are presented as sludge temperature rises that should be provided in the heat exchanger to compensate for the outward heat dissipation through the digester structure and piping over time, Fig 1.

DISCUSSIONS AND CONCLUSIONS Desktop analyses to review the heating energy demand associated with mesophilic and thermophilic anaerobic digestion modes have led to several conclusions and recommendations. Thermodynamic analyses conducted on the digester structure to estimate heat losses associated with the two reviewed digestion modes have shown that instantaneous sludge temperature rises maintained in the heat exchanger (Figure 1) and hourly heat requirements (Figure 2) are greater for a thermophilic digester rather than for a mesophilic digester, while both have equal physical dimensions and volume. Thermophilic anaerobic digestion carried out in a two-time smaller reactor than a mesophilic digester has comparable temperature rises and hourly heat losses as in the mesophilic digester. Heat demand required to digest one m3 of primary sludge within the respective digestion period (HRT) is greater for mesophilic anaerobic digestion due to a longer HRT than the thermophilic anaerobic digestion HRT. The average heat requirement difference is around 25% for equal volume reactors and around 100% for a two-time smaller reactor, “50% Volume” (Figure 3). Addition of raw primary sludge and TWAS to an operating digester and the following temperature drops are below the tolerable temperature fluctuation for each anaerobic digestion mode. Organic material reduction and methane gas production is greater for the thermophilic anaerobic digestion mode than for the mesophilic anaerobic digestion mode at 25% and 50%, respectively. As a result, the calorific value of

Temperature Rise, degrees C

1.25

1

0.75

0.5

-35

-30

-25

-20

-15

-10

-5

0

5

10

15

20

25

30

35

40

Outdoor Temperature, degrees C Mesophilic AD

Thermophilic AD

Thermophilic AD (50% Volume)

Hourly heat requirements to support digestion for each season’s temperature, anaerobic digestion

Figure 1: Heat exchanger temperature rise. 1: Heat Exchanger Temperature Rise mode and reactor size areFigure presented in Fig.2. 320

3

295

Heat Requirements, kWh

Table 3 provides analysis of digestion products yielded for both mesophilic and thermophilic anaerobic digestion modes. It is assumed that the weight of one m3 of sludge is approximately one tonne. Also, that the yielded quantity of methane (part of biogas yield) was converted to heat that could be obtained by burning methane in a digester boiler for the generation of hot water as the energy source for heating the digester sludge in the heat exchanger.

270 245 220 195 170 145

-35

-30

-25

-20

-15

-10

-5

0

5

10

15

20

25

30

35

40

Outdoor Temperature, degrees C Mesophilic AD

Thermophilic AD

Thermophilic AD (50% Volume)

Figure 2: Digester heat requirements. Figure 2: Digester Heat Requirements Heat energy demand required to digest 1 m3 of sludge within the respective digestion period (HRT) for each season’s temperature, anaerobic digestion mode and reactor size are presented in Fig.3. photo credit: www.rbcplacelondon.com

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4

continued overleaf…

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February 2020  |  63


BIOSOLIDS

Digestion Mode Parameter

Mesophilic

Thermophilic

Thermophilic, 50% Volume

9,840

9,840

4,920

TS / Digester, t

492

492

246

Total VS / Digester, t

320

320

160

Organic Material Reduced, t

160

200

100

Biogas Yield, Nm3/Digester Volume

151,905

194,878

97,439

Methane Yield, Nm3/Digester Volume

98,738

151,031

75,515

Total Calorific Value, kW/Digester Load

1,033,196

1,580,382

790,191

Methane Yield, Nm3/kg VS reduced

0.309

0.472

0.472

Calorific Value, kW/ kg VS reduced

3.23

4.94

4.94

Digester Volume, m3

Table 3: Analysis of digestion products.

Heat Requirement, kW/ m3

8 7 6 5 4 3 2

-35

-30

-25

-20

-15

-10

-5

0

5

10

15

20

25

30

35

40

Outdoor Temperature, degrees C Mesophilic AD

Thermophilic AD

Figure 3: Unit heat demand.

Thermophilic AD (50% Volume)

Figure 3: Unit Heat Demand

Temperature Drop in Digester, degrees C

The heat loss balance of a digester is affected also by the addition of raw primary sludge and total 1.50 waste activated sludge (TWAS) that may take place 1 or 2 times per day. The added “fresh” sludge quantity is usually limited to some pre-assigned volume in order not to upset the digestion process. Fig.4 shows the estimated digester sludge temperature drop when the quantity of the added sludge 1.25 varies from 1 to 6 % of the total digester operation volume. As a conservative approach, it was assumed that the average temperature of raw primary sludge is +15 deg. C and the sludge is added as one slug 1.00to the digester and instantaneously mixed. For our case the volume of the added sludge would be 1.5% and 3% and the temperature drop would be around 0.30 and 0.65 deg. C for Mesophilic and Thermophilic AD, respectively. These temperature drops appear to be less than 0.75 temperature ranges referenced in Table 1 and, therefore, the digestion process would the tolerated not be compromised.

the organic material reduction yield is greater for the thermophilic anaerobic digestion rather than for its mesophilic counterpart at approximately 50% per 1 kg of reduced volatile solids. Conducted comparative analysis has demonstrated that the overall heating requirement of thermophilic digestion, mostly due to the shorter HRT, is lower in the long run as compared with the heating requirement associated with mesophilic digestion. Greater reduction of organic material in the thermophilic digestion results in greater methane yield (calorific value surplus as compared with the mesophilic anaerobic digestion). This calorific surplus is a benefit in favour of the thermophilic digestion application. Ivan Drako is with WSP. Email: ivan.drako@wspgroup.com. References are available upon request.

0.50 0.25 0.00

1%

2%

3%

4%

5%

6%

Addition of "Fresh" Sludge, Percentage of Operation Volume

Figure 4: Temperature Drops in Digester

Figure 4: Temperature drops in digester.

Table 3 provides analysis of digestion products yielded for both mesophilic and thermophilic anaerobic digestion modes. The following assumptions were applied for these comparisons:

64  |  February 2020 -

Weight of 1 m3 of sludge is approximately 1 t.

5

Environmental Science & Engineering Magazine


Solutions For

WASTEWATER TREATMENT ONLINE AND PORTABLE INSTRUMENTATION Multi Parameter Single – Dual – Multi-Channel-Wireless Optical Fluorescence Dissolved Oxygen Near Infra Red Total Suspended Solids pH, ORP Microwave Density Ultrasonic Interface Level Spectrophotometric Online Spectrophotometric Laboratory

FLOWMETERING Ultrasonic Doppler – Transit Time Insertion/Immersion/Clamp-On Venture/Flume Partially Filled Conduit

WASTEWATER SAMPLERS Indoor or Outdoor Refrigerated or Non-Refrigerated Portable or Stationary

SEPTAGE RECEIVING SYSTEMS Fully Automated Control and Data Collection Integrated Billing System

ADDITIONAL SOLUTIONS FOR: Flow – Level – System Integration – Field Service

Mississauga, Ontario Montreal, Québec

800-595-0514 www.cancoppas.com controls@cancoppas.com


SPECIAL FOCUS: COLD CLIMATES AND REMOTE LOCATIONS

The treatment process uses cartridge filters, followed by UV and chlorine gas disinfection.

Dawson City’s new water plant designed with resilience in mind By Matthew Lozie

H

ome of the Yukon Gold Rush, Dawson City is a community of less than 2,000 people, However, this nearly doubles in population during the summer tourist season. The city offers a look into the past as it continually tries to maintain the original look and feel of its Klondike era. The city provides residents with drinking water from four wells located near the adjacent Yukon River. Its existing water treatment plant was dated, cramped and did not meet the Canadian Drinking Water Quality Guidelines for well water. During the conceptual design stage, it was determined that a new treatment plant was required. Several locations were identified for a new facility. The Yukon Government retained Associated Engineering to provide design and construction services for the new Greenfield water treatment plant. Together with Yukon-based Kobayashi + Zedda Architects, Associated Engineering provided a preliminary design for the plant, to be situated on two adjacent city lots along the prominent 5th Avenue. 66  |  February 2020

timber panels for the roof structure were selected due to constructability restraints in this remote community. Design of all the facility’s components considered the cold climate environment. Insulated high density polyethylene (HDPE) material was used for the extensive civil piping outside the water treatment plant, and heat tracing was used for aboveground piping. Four different forms of energy provide power and heat to the plant. Treated water for distribution requires heating and the pipes are looped back into the plant from the distribution system to provide constant movement through the system to prevent freezing. Water is heated by a set of oil-fired boilers, as well as a heat exchanger that draws heat from the local biomass plant through an underground heating loop. A solar photovoltaic system was added to the roof of the plant which will be used mainly in the spring and summer, making use of the extended daylight hours to supplement the building power requirements provided by Yukon Energy service. A variable speed fire pump was selected to reduce the building and backup generator sizes and maintain even water service pressure in case of a fire. Water treatment technology consists of cartridge filters followed by ultraviolet (UV) and chlorine gas disinfection. Alternative filtration was considered, but cartridge filters were selected due to the high quality of the well water and the simplicity in operation of the system. Particle distribution analysis and total suspended solids analysis of treated water showed that cartridge filters provide appropriate treatment. Associated Engineering created a building information modeling (BIM) model of the plant using Revit and AutoPlant that helped operations staff to visualize the plant and provide feedback. Construction of the 6 million litres per day plant started in May 2018 and was completed in December 2019 at a cost of $13 million.

In keeping with the city’s historic setting, the design of the facility had to remain authentic to the gold rush theme. The Heritage Advisory Committee conducts a rigorous review of all new buildings in Dawson City. Initially, several building representations were proposed, including a boomtown store front. Through the consultation phase, it was decided that the building exterior would be a replica of an early 1900s cold storage building. The facade features a board and batten siding with a prominent front peak, narrow windows and a spiral staircase. During design, several unique challenges were encountered. Due to the location of the city in a valley next to a river that is prone to ice damming and flooding, flood damage prevention was an important consideration, as well as the impact of climate change. To improve the facility’s flood and climate resilience, major electrical and controls equipment were placed on the second story of the building. Matthew Lozie, P.Eng., is with Associated The first story was constructed from Engineering. For more information, concrete. A wood frame and steel post email: loziem@ae.ca and beam structure with dowel laminate

Environmental Science & Engineering Magazine


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J U N E 14–17 O R L A N D O, F L O R I DA #AW WA AC E


PRODUCT & SERVICE SHOWCASE

VELOCITY SENSOR

Avensys Solutions has introduced the ISCO LaserFlow® Sensor Family. LaserFlow is the only non-contact flow measurement device to read below the surface. It remotely measures flow in open channels with non-contact laser doppler velocity technology and non-contact ultrasonic level technology. The sensor uses advanced technology to measure velocity with a laser beam at single or multiple points below the surface of the wastewater stream. The LaserFlow® Ex velocity sensor can be installed in hazardous areas. Avensys Solutions Inc. T: 888-965-4700 E: info@avensys.com W: www.avensys.com

STORMWATER MANAGEMENT

AREA/VELOCITY FLOW METER

Flow-Tronic has introduced the new version of its flagship sensor, the RAVEN-EYE 2®. This complete redesign of the sensor brings non-contact flow measuring technologies to higher level standards. What is new? Lower power consumption; minimum velocity of only 0.08 m/s (0.26 ft/s); new hybrid radar antenna; significant progress on signal processing. Compatibility remains with all existing loggers and monitors. The enclosure remains the same and thus is compatible with existing brackets. ACG – Envirocan T: 905-856-1414 F: 905-856-6401 E: sales@acg-envirocan.ca W: www.acg-envirocan.ca

The GRAF EcoBloc Inspect Flex system can be used for stormwater infiltration, retention or rainwater harvesting. The EcoBloc system can be installed at a depth of up to 16.5 feet. Up to 14 layers are possible and the system can withstand a capacity of 60 tons. The system is easily cleaned by pressure washing and designed for a service life of over 50 years. BARR Plastics T: 1-800-665-4499 E: info@barrplastics.com W: www.barrplastics.com

PERISTALTIC METERING PUMP

A LIFT STATION BRAIN

The Volucalc RT is the flow solution for lift stations with variable speed or constant speed pumps. It calculates the capacity and efficiency (cubic metres/ watt) of each pump; detects abnormal pump capacity, efficiency, run time, stop time and sequence of operation; fits any control panel; and integrates up to four pump curves with multiple RPM for each. It can be used with various communication methods – cellular modem, WiFi modem, telephone land line modem, spread, spectrum radio, or direct connect to internet. Avensys Solutions Inc. T: 888-965-4700 E: info@avensys.com W: www.avensys.com www.esemag.com @ESEMAG

TURBO BLOWER

Aerzen Turbo G5 Plus is the most compact and efficient turbo in its class. It features AERZEN airfoil bearings with double coating and the new multilevel frequency converter technology, which reduces the heat loss in the motor to a minimum and, consequently, improves total efficiency significantly. Aerzen Canada T: 450-424-3966 E : sales-ca@aerzen.com W: www.aerzen.ca

ProSeries-M® M-4 peristaltic chemical dosing pumps can handle the high volume dosing demands of large municipal water and wastewater treatment applications. The M-4 has output rates from .01 to 600 LPH/.0028 to 158.5 GPH, and will accept pressures of up to 8.6 Bar/125 PSI. Other M-4 features include 2500:1 turndown ratio, operator friendly digital touch pad, IP66 (NEMA 4X), CE, ETL. Blue-White® is ISO 9001:2015 certified. Blue-White Industries T: 714-893-8529 F: 714-894-9492 E: sales@blue-white.com W: www.blue-white.com

February 2020  |  69


PRODUCT & SERVICE SHOWCASE

SKID SYSTEM

Blue-White’s® New ProSeries-M® is an innovative, lightweight and durable all-plastic skid system. The rugged and chemical resistant polyethylene CHEMFEED® Skid System features a drop-in place design and comes fully loaded with all necessary components, including a 4,000 ml calibration column, pressure gauge, pulsation dampener and inlet Y strainer. Both single and dual pump skid systems are offered and can be equipped with any ProSeries-M® peristaltic or diaphragm style pump. Blue-White Industries T: 714-893-8529 F: 714-894-9492 E: sales@blue-white.com W: www.blue-white.com

ELECTRIC ACTUATOR

Chemline’s new ERF “Fast Acting” Electric Actuator is a reversible rotary unit with output torques up to 180 in.-lb. Ideal for all Chemline ball valves up to 2 ." 6.0 sec. for 12VAC/VDC and 3.5 sec. for 24VAC/VDC. CSA special inspection labeled, compact, lightweight with a NEMA 4X plastic housing. The handle provides manual override and position indicator. Chemline Plastics T: 800-930-CHEM (2436) E: request@chemline.com W: www.chemline.com

70  |  February 2020

GRIT TRAP

CORROSION PREVENTION

The new GritWolf® grit trap uses an innovative two-chamber design and contact settling to reduce footprint and remove the finest grit particles as well as FOG. The GritWolf offers up to 95% of the grit of grain size ≥ 75 µm, with the smallest footprint and shallowest depth. Contact us at 704-990-2053 or marketing@hhusa.net for more information. Huber Technology T: 704-990-2053 F: 704-949-1020 E: huber@hhusa.net W: www.huber-technology.com

CHEMICAL DAY TANK SCALE

The LittaTrap Catch Basin Insert is a low-cost, innovative technology that prevents plastic and trash from reaching our waterways. Designed to be easily retrofitted into new and existing stormwater drains, the LittaTrap is installed inside storm drains and when it rains, catches plastic and trash before it can reach our streams, rivers and oceans. Imbrium Systems T: 800-565-4801 E: info@imbriumsystems.com W: www.imbriumsystems.com

Large diameter work being done? Time is money and with Denso Mastic Blankets as part of your Denso corrosion prevention system, you can get the job done right, more efficiently. At 10 "x 39 ," the mastic blankets cover a large area, filling voids and profiling in seconds. Protect your assets and save time and money with the Denso Petrolatum System. Denso North America T: 416-291-3435 E: sales@densona-ca.com W: www.densona.com

CATCH BASIN INSERT

The CHEM-SCALE™ from Force Flow allows operators to accurately monitor chemicals such as sodium hypochlorite, polymer and fluoride when stored and fed from day tanks. Systems prevent over- and underfeed conditions, and enable the documentation of amount fed. Available with the Century™ hydraulic dial, the advanced multi-channel Wizard 4000™, and other indicators. Force Flow T: 925-686-6700 E: info@forceflow.com W: www.forceflowscales.com

Environmental Science & Engineering Magazine


PRODUCT & SERVICE SHOWCASE

OGS/HYDRODYNAMIC SEPARATOR

The new Stormceptor® EF is an oil grit separator (OGS)/hydrodynamic separator that effectively targets sediment (TSS), free oils, gross pollutants and other pollutants that attach to particles, such as nutrients and metals. The Stormceptor EF has been verified through the ISO 14034 Environmental Management – Environmental Technology Verification (ETV). Imbrium Systems T: 800-565-4801 E: info@imbriumsystems.com W: www.imbriumsystems.com

TWIN SHAFT GRINDER

The N.Mac™ Twin Shaft Grinder is capable of fragmenting large and solid particles. Channel and inline housing versions allow installation into effluent channels or with flanges to prevent pipe clogging and damage to downstream equipment, such as pumps. The mechanical seal cartridge design – a leak free combination of mechanical seal and bearing cartridges – enables quick and simple replacement and servicing. NETZSCH Canada T: 705-797-8426 Fax: 705-797-8427 E: ntc@netzsch.com W: www.pumps.netzsch.com

HYPERBOLOID MIXERS

Invent Environment is the manufacturer of hyperboloid mixers which have revolutionized anoxic and swing zone mixing. Invent provides low-shear, efficient mixers with no submerged motors or gear boxes for easy access for maintenance. They have now released the Hyperclassic Mixer Evo 7 which has increased the number of motion fins and adjusted the geometry of the mixer to maximize mixer efficiency, reducing operation costs even further. Pro Aqua T: 647-923-8244 E: aron@proaquasales.com W: www.proaquasales.com

Hit your target

HANDHELD SLUDGE LEVEL DETECTOR

The Sludge Gun® measures liquid-solids interface levels, helping operators monitor sludge bed depth for regulatory compliance, prevention of carryover, and elimination of unnecessary pumping/dredging of clarifiers, tanks and lagoons. It detects silt/sludge/biosolids in densities ranging from light flocs to thick blankets. Markland Specialty Engineering T: 905-873-7791 or TF (NA): 1-855-873-7791 E: markland@sludgecontrols.com W: www.sludgecontrols.com

www.esemag.com @ESEMAG

WATERTIGHT DOORS

Huber, a proven German manufacturer, now provides watertight doors that allow safe access to tanks for construction and/ or maintenance. Doors can be provided as round or rectangular for installation onto existing concrete surfaces or cast-inplace in new concrete. They can handle heads up to 30 m and hold pressure in seating and unseating directions. Huber’s watertight doors can greatly reduce construction and maintenance costs and dramatically improve safety/access. Pro Aqua T: 647-923-8244 E: aron@proaquasales.com W: www.proaquasales.com

CONTROLLING CONTAMINATED GROUNDWATER

Waterloo Barrier is a low permeability cutoff wall for groundwater containment and control. It is a new design of steel sheet piling, featuring joints that can be sealed after the sheets have been driven into the ground, and was developed by researchers at the University of Waterloo. It has patent/patent pending status in several countries. Canadian Metal Rolling Mills assisted in developing the product. Waterloo Barrier T: 519-856-1352  F: 519-856-0759 E: info@waterloo-barrier.com W: www.waterloo-barrier.com

February 2020  |  71


2020 GUIDE TO

CONSULTANTS AND EQUIPMENT/SERVICE SUPPLIERS Environmental Consultants..... 72 Equipment & Service Suppliers.....78 Note: This guide is intended as a service for ES&E readers only. No claims are made that it is a comprehensive review. ES&E relies on information supplied by companies and reader information.

GUIDE TO ENVIRONMENTAL CONSULTANTS & LABORATORIES A & A ENVIRONMENTAL CONSULTANTS INC. 16 Young St Woodstock ON N4S 3L4 T: 519-266-4680  F: 519-266-3666 www.aaenvironmental.ca

AN-GEO ENVIRONMENTAL CONSULTANTS LTD. 204-8708 48 Avenue Edmonton AB T6E 5L1 T: 780-450-3377  F: 780-450-3232 angeo@sprynet.com

ADI GROUP INC. 385 Wilsey Rd Unit 10 Fredericton NB E3B 5N6 www.adi.ca

ANNACIS RESEARCH CENTRE 1400 Lindsey Place Delta BC V3M 6V1 T: 604-395-2325 arc@metrovancouver.org www.metrovancouver.org/services/liquid-waste/ treatment/annacis-research-centre/research/ Pages/default.aspx Contact: Leah Waldron, Marketing & Events Coordinator

AECOM CANADA LTD. 105 Commerce Valley Dr W Markham ON L3T 7W3 T: 905-886-7022  F: 905-886-9494 www.aecom.ca AEL ENVIRONMENT 1705 Argentia Rd Mississauga ON L5N 3A9 T: 416-657-2367  F: 866-281-5328 info@aelenv.com | www.aelenv.com

AET GROUP INC. 531 Wellington St Kitchener ON N2H 5L6 T: 519-653-0680  F: 519-570-9589 jmckenzie@aet98.com | www.aet98.com Contact: Janet McKenzie, Director, Environmental Services AET Group is a multi-disciplinary environmental consulting, auditing and scientific services company providing professional services to the built and natural environments in the following core service areas: Air, Audits, Building Sciences, Compliance, Energy, GHG, Home Flood Protection, Management Systems, Mitigation, Sustainability, Waste, and Water. AGAT LABORATORIES 2910 – 12 St NE Calgary AB T2E 7P7 AINLEY GROUP 280 Pretty River Pkwy Collingwood ON L9Y 4J7 T: 705-445-3451 www.ainleygroup.com AIRZONE ONE LTD. 222 Matheson Blvd E Mississauga ON L4Z 1X1 T: 905-890-6957  F: 905-890-8629 rsabino@airzoneone.com | www.airzoneone.com Contact: Roy Sabino, Senior Air Quality Modeller ALPHA ADROIT ENGINEERING LTD. 17816 – 105 Ave NW Edmonton AB T5S 2H5 T: 1-844-423-7648 info@alphaadroit.ca | www.alphaadroit.ca ALTECH ENVIRONMENTAL CONSULTING LTD. 12 Banigan Dr Toronto ON M4H 1E9 T: 800-323-4937 www.altech-group.com

72  | February 2020

APEX ENGINEERING 4050 Fieldstone Crossing Missoula MT 59802 T: 406-459-2776 mark@apexengineering.us Contact: Mark Reinsel, President

AXOR EXPERTS-CONSEILS INC. 400-5101 rue Buchan Montréal QC H4P 1S4 AZURA ASSOCIATES INTERNATIONAL INC. 300 – 22 King St S Waterloo ON N2J 1N8 T: 519-729-0681 dave.ellis@azuraassociates.com www.azuraassociates.com Contact: David Ellis, Principal Engineer B. M. ROSS AND ASSOCIATES LIMITED 62 North St Goderich ON N7A 2T4 T: 519-524-2641  F: 519-524-4403 www.bmross.net BFC TECHNOLOGIES 960 Edgeley Blvd Vaughan ON L4K T: 905-761-0599 Contact: Julio Alva

APPLIED ENGINEERING TECHNOLOGIES 540 Avis Dr Ann Arbor MI 48108 T: 734-904-8257 Contact: Saad Ghalib ARCADIS CANADA 12 – 121 Granton Dr Richmond Hill ON L4B 3N4 www.arcadis.com

ASSOCIATED ENGINEERING 500 – 9888 Jasper Ave Edmonton AB T5J 5C6 T: 780-451-7666  F: 780-454-7698 mahl@ae.ca | www.ae.ca Contact: Lianna Mah, VP, Business Development At Associated Engineering, our vision is to shape a better world for future generations by creating sustainable and resilient solutions. This is our commitment to building better communities. Sustainability is part of every project we undertake, including how we operate our business. We provide consulting services in the water, infrastructure, environmental, transportation, energy, and building sectors. Our services include planning, engineering, landscape architecture, environmental science, project management, and asset management. We have twice received Canadian consulting engineering’s highest honour, the Schreyer Award. AUREUS SOLUTIONS INC. 398 Bagot St Kingston ON K7K 3B9 T: 613-893-3680 info@aursi.ca

Search online or add your company at: esemag.com/ese-directory

BIO-LIMNO RESEARCH & CONSULTING, INC. 29 Stone Gate Dr Halifax NS B3N 3J2 T: 902-425-8989  F: 902-425-8989 magbeti@bio-limno.com | www.bio-limno.com Contact: Michael Agbeti, PhD, President Bio-Limno Research & Consulting is an environmental consulting firm that provides a variety of services related to water quality. We specialize in algal analysis (including diatom algae), zooplankton analysis, interpretation of water quality data, and writing of scientific reports. BIONEST TECHNOLOGIES INC. Po Box 10070 Grand-Mere QC G9T 5K7 BIOTHERMICA 426 Sherbrooke Est Montréal QC H2L 1J6 www.biothermica.com BLACK & VEATCH CANADA 501 – 50 Minthorn Blvd Markham ON L3T 7X8 T: 905-747-8506  F: 905-747-0974 www.bv.com BOUTHILLETTE PARIZEAU & ASSOCIES INC. 9825 Rue Verville Montreal QC H3L 3E1 BULLEE CONSULTING LTD. 200 – 302 Wellman Lane Saskatoon SK S7T 0J1 www.bulleeconsulting.com BUREAU VERITAS 6740 Campobello Rd Mississauga ON L5N 2L8 T: 1-800-563-6266 www.bvlabs.com CALA 102 – 2934 Baseline Rd Ottawa ON K2H 1B2

Environmental Science & Engineering Magazine


CONSULTANTS

GUIDE TO ENVIRONMENTAL CONSULTANTS & LABORATORIES T: 613-233-5300  F: 613-233-5501 communications@cala.ca | www.cala.ca Contact: Andrew Adams, President & CEO

CLA EXPERTS-CONSEILS INC. 629 Rue Notre-Dame Repentigny QC J6A 2V5

CAMBIUM ABORIGINAL 1109 Mississauga St Curve Lake ON K0L 1R0 T: 705-657-1126  F: 705-657-9231 www.cambiumaboriginal.com CAMBIUM INC. 52 Hunter St E/PO Box 325 Peterborough ON K9H 1G4 T: 705-742-7900 CANADIAN ENVIRONMENTAL AUDITORS 35 Lakeshore Blvd RR#1 Gilford ON L0L 1R0 T: 705-456-1255 oldjeepsteer@gmail.com Contact: John Sciberras, President

CLEANEARTH TECHNOLOGIES INC. 203 Aerotech Dr Enfield NS B2T 1K3 T: 902-835-9095  F: 902-835-9010 www.cleanearthtechnologies.ca CLEARVIEW GEOPHYSICS INC. 12 Twisted Oak St Brampton ON L6R 1T1 T: 905-458-1883

CLIFTON ASSOCIATES 2222 30th Ave NE Calgary AB T2E 7K9 www.clifton.ca COBIDE ENGINEERING INC. 517 10th St Hanover ON N4N 1R4 T: 519-506-5959 scobean@cobideeng.com | www.cobideeng.com Contact: Stephen Cobean

Barrie • Belleville • Brampton • Collingwood • Kingston • Ottawa WWW.AINLEYGROUP.COM

Delivering proven infrastructure planning & engineering solutions

CASKANETTE UDALL CONSULTING ENGINEERS 248 – 675 Queen St S Kitchener ON N2M 1A1 T: 519-745-5066 bob@caskanette.on.ca Contact: Bob Caskanette CATTERALL & WRIGHT CONSULTING ENGINEERS 1221 8th St E Saskatoon SK S7N 3C8 T: 306-343-7280  F: 306-956-3199 cw@cwce.ca | www.cwce.ca CBCL LIMITED PO Box 20040 14 King St Suite 420 Saint John NB E2L 5B2 www.cbcl.ca

to satisfied clients for over 50 years

Safe, reliable, sustainable WATER AND WASTEWATER SOLUTIONS Visit www.bv.com to learn more

CENTRE FOR ADVANCEMENT OF WATER AND WASTEWATER TECHNOLOGIES (CAWT) AT FLEMING COLLEGE 200 Albert St S Lindsay ON K9V 5E6 cawt@flemingcollege.ca | www.cawt.ca Contact: Barbara Siembida-Losch, Manager CHAMARAD STRATEGIES ENVIRONNEMENTALES 4430 Ave Papineau Montreal QC H2H 1T8 CHISHOLM FLEMING & ASSOCIATES 301 – 317 Renfrew Dr Markham ON L3R 9S8 T: 905-474-1458  F: 905-474-1910 cfa@chisholmfleming.com Contact: R.G. Chisholm, P.Eng. CHURCH & TROUGHT, A TRINITY CONSULTANTS COMPANY 106 – 885 Don Mills Rd Toronto ON M3C 1V9

Innovative, Fit-for-purpose Solutions CIMA+ CANADA INC. 500 – 5935 Airport Rd Mississauga ON L4V 1W5 T: 905-695-1005  F: 905-695-0525 troy.briggs@cima.ca | www.cima.ca Contact: Troy Briggs, Senior Director, Wastewater CIMA+ is a Canadian consulting engineering company with 2,000+ employees in offices across Canada specializing in planning, design and construction management for municipal water, wastewater and infrastructure facilities. We offer expertise in environmental assessment, process optimization, water resources, sustainable development and LEED facilities design.

www.esemag.com

www.stantec.com/water

Search online or add your company at: esemag.com/ese-directory

February 2020  |  73


CONSULTANTS

GUIDE TO ENVIRONMENTAL CONSULTANTS & LABORATORIES

COLE ENGINEERING GROUP LTD. 70 Valleywood Dr Markham ON L3R 4T5 T: 416-987-6161 www.coleengineering.ca

ENGLOBE 1821 Albion Rd Unit 7 Toronto ON M9W 5W8 T: 416-213-1060  F: 416-213-0170 www.englobecorp.com/canada/en

ETO ENGINEERING 9030 Leslie St Richmond Hill ON L4B 1G2 T: 289-637-2700 x202 www.etoengineering.ca

CONSULTANTS CANARAIL INC. Bur 1050 – 1140 Boul De Maisonneuve O Montreal QC H3A 1M8

ENVIONX INC. - ENVIRONMENTAL MARKETING CONSULTANTS T: 519-808-9844 mdraeger@envionx.com www.envionx.com Contact: Martin Draeger, Founder, Senior Consultant

EUROFINS ENVIRONMENTAL TESTING CANADA 8 – 146 Colonnade Rd Ottawa ON K2E 7Y1 T: 613-727-5692  F: 613-727-5222 infocanada@eurofins.com | www.eurofins.ca/en

CONSULTANTS LBCD INC. 40 Rue Sainte-Cecile Salaberry-De-Valleyfield QC J6T 1L7 CURTIS GEO SOLUTIONS INC. Unit 1A – 820 28 St NE Calgary AB T2A 6K1 T: 403-273-5868  F: 403-273-5957 www.curtisgeo.ca D&G ENVIRO-GROUP 6710 rue Saint-Jacques Suite 108 Montreal QC H4B 1V8 T: 514-932-1688, 888-932-1688  F: 514-932-1911 info@dgenviro.com DENISON ENVIRONMENTAL SERVICES 1 Horne Walk Elliot Lake ON P5A 2A5 T: 705-848-9191 info@denisonenvironmental.com www.denisonenvironmental.com DESJARDINS FINANCIAL SECURITY (DFSIN) 5070 Dixie Rd Mississauga ON L4W 1C9 T: 905-366-4419  F: 905-276-4964 carol.smith@dfsin.ca Contact: Carol Smith, RIAC DIAMETER SERVICES 847 Primrose Court Pickering ON L1X 2S7 T: 416-305-3409 jjcarty@diameterservices www.diameterservices.com Contact: Joel Carty, Principal Consultant DILLON CONSULTING LIMITED 800 – 235 Yorkland Blvd Toronto ON M2J 4Y8 T: 416-229-4646 DR. MIKE SHIRALIAN 38 Carluke Crescent North York ON M2L 2J4 T: 647-347-4517 mikex0123@gmail.com DRAGUN CORPORATION 436 Elmstead Rd/RR 1 Windsor ON N8N 2L9 T: 519-979-7300 cpare@dragun.com Contact: Christopher Pare, P. Geo DST CONSULTING ENGINEERS INC. 203 – 2150 Thurston Dr Ottawa ON K1G 5T9 ECOCERN 55 Harbour Square Suite 2311 Toronto ON M5J 2L1 T: 416-699-6045 dhl@ecocern.ca | www.ecocern.ca Contact: David Lewis, Owner ECOFITTER/ENVIRONMENTAL HEALTH CONSULTING INC. 400 Highway 529 PO Box 171 Pointe au Baril ON P0G 1K0 T: 705-366-2148 www.ecofitter.ca EMSL ANALYTICAL INC. 200 Route 130 North Cinnaminson NJ 8077

74  | February 2020

EXOVA 2935 Speakman Dr Sheridan Pk Mississauga ON L5K 1B3 www.exova.com

ENVIRONMENTAL BUSINESS CONSULTANTS 33 Wanita Rd Mississauga ON L5G 1B3 T: 905-271-2845 john.nicholson@ebccanada.com Contact: John Nicholson

EXP SERVICES 301 – 56 Queen St E Brampton ON L6V 4M8 www.exp.com

ENVIRONMENTAL COMPLIANCE SERVICES INC. 411 Arthur St S Elmira ON N3B 2P7 T: 519-504-1205  F: 519-669-4986

FIRST NATIONS ENGINEERING SERVICES LTD. PO Box 280 Ohsweken ON N0A 1M0 www.fnesl.ca

ENVIRONMENTAL ODOUR CONSULTING 1492 Wallace Rd Unit 9 Oakville ON L6L 2Y2 T: 647-988-5814  F: 647-988-5814 bokowa.anna@environmentalodourconsulting.com www.environmentalodourconsulting.com Contact: Anna Bokowa, President

G3 CONSULTING LTD. 206 – 8501 162 St Surrey BC V4N 1B2 T: 604-598-8501

FUNDY ENGINEERING & CONSULTING LTD. 27 Wellington Row Saint John NB E2L 3H4 www.fundyeng.com

ENVIROSIM ASSOCIATES LTD. 114A – 175 Longwood Rd S Hamilton ON L8P 0A1 T: 905-481-2607  F: 905-481-2610 www.envirosim.com

GENEMIS LABORATORIES INC. 1379 Colborne St E Brantford ON N3T 5M1 T: 519-870-9742 www.genemis.ca

ENVIROTECH ASSOCIATES LIMITED 217 Consortium Crt London ON N6E 2S8 T: 519-601-8130 www.envirotechbiz.com

GEOPAC INC. 101 – 12391 Horseshoe Way Richmond BC V7A 4X6 T: 604-241-7151  F: 604-241-7119

ENVIROWEST CONSULTANTS INC. 101 – 1515 Broadway St Port Coquitlam BC V3C 6M2 www.envirowest.ca

GHD 455 Phillip St Waterloo ON N2L 3X2 T: 519-884-0510 www.ghd.com GLOBAL ENVIRONMENTAL ENGINEERING INC. 10312 N Holly Rd Holly MI 48442 T: 231-360-3971  F: 810-238-9195

ERAMOSA ENGINEERING INC. 650 Woodlawn Rd W Block C Unit 4 Guelph ON N1K 1B8 T: 519-763-7774  F: 519-763-7757 david.chamberlain@eramosa.com www.eramosa.com Contact: David Chamberlain Since 1998 Eramosa has been providing our clients with specialists in the areas of SCADA, process control, instrumentation, automation, information technology, and networking. We have expertise in planning, project management, conceptual, preliminary, and detailed design, as well as in the implementation of technology solutions using both traditional and alternative delivery methods. Through dedicated attention to our clients we strive to develop long-lasting relationships based on trust, mutual respect, integrity, and technical excellence. ETCOS ENVIRONMENTAL 96 Terrosa Rd Markham ON L3S 2N1 T: 905-471-9890  F: 905-471-6439 info@etcoscanada.com | www.etcoscanada.com

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GLOBE SERIES 578 – 999 Canada Pl World Trade Centre Vancouver BC V6C 3E1 T: 604-695-5001 GM BLUEPLAN 2 – 650 Woodlawn Rd W Block C Guelph ON N1K 1B8 www.gmblueplan.ca GOLDER ASSOCIATES LTD. 100 Scotia Ct Whitby ON L1N 8Y6 GROUNDWATER ENVIRONMENTAL MANAGEMENT SERVICES INC. 303 – 8800 Dufferin St Concord ON L4P 0C5 www.gemservicesinc.com GROUPE ADF INC. 300 Rue Henry-Bessemer Terrebonne QC J6Y 1T3 GROUPE BERLIE-FALCO 1245 Industrielle La Prairie QC J5R 2E4 www.berliefalco.com GROUPE SM INC. 12E – 433 Rue Chabanel O Montreal QC H2N 2J8 GROUPE STAVIBEL INC. 1271 7E Rue Val-D'Or QC J9P 3S1 GUNNELL ENGINEERING LTD. 1110 Stellar Dr Unit 106 Newmarket ON L3Y 7B7

Environmental Science & Engineering Magazine


CONSULTANTS

GUIDE TO ENVIRONMENTAL CONSULTANTS & LABORATORIES T: 905-868-9400  F: 905-853-5734 liz@gunnellengineering.com Contact: Elizabeth Lew, Operations Manager

INTERNATIONAL WATER CONSULTANTS LTD. PO Box 310 342 Bayview Dr Barrie ON L4M 4T4 T: 705-733-0111 ISL ENGINEERING 4015 7 St SE Calgary AB T2G 2Y9 www.islengineering.com

HEMMERA ENVIROCHEM INC. 4730 Kingsway Floor 18 Burnaby BC V5H 0C6 T: 604-669-0424  F: 604-669-0430 rwhyard@hemmera.com | www.hemmera.com Contact: Rhoni Whyard, Vice President, Strategy & Marketing - Global Consulting Hemmera, a wholly owned subsidiary of Ausenco, is a leading Canadian environmental consultancy valued for our expertise and boutique approach. Our highly respected professionals have created opportunities for sustainable growth and balanced development for our clients. With a reputation for integrity and technical excellence, Hemmera offers progressive environmental services in Site Assessment and Remediation, Environmental Planning and Ecology, Human Environment, and Geomatics. HEROLD ENGINEERING LTD. 3701 Shenton Rd Nanaimo BC V9T 2H1 www.heroldengineering.com HGC ENGINEERING 203 – 2000 Argentia Rd Plaza 1 Mississauga ON L5N 1P7

HYDROMANTIS ENVIRONMENTAL SOFTWARE SOLUTIONS, INC. 1 James St S Suite 1601 Hamilton ON L8P 4R5 T: 905-522-0012 x224  F: 905-522-0031 www.hydromantis.com INDOOR ANALYTICS, INC. 18607 Village Fountain Dr Germantown MD 20874 T: 240-418-7729 clintjones1@aol.com Contact: Clint Jones, President

KLOHN CRIPPEN BERGER LTD. 500-2618 Hopewell Pl NE Calgary AB T1Y 7J7 www.klohn.com KNIGHT PIESOLD LTD. 1400 –750 W Pender St Vancouver BC V6C 2T8 www.knightpiesold.com/en LAPORTE EXPERTS CONSEILS INC. Bur 606 – 5250 Rue Ferrier Montreal QC H4P 1L4 LE GROUPE FORCES S.E.N.C. 531 Boul Manseau Joliette QC J6E 3E3

J.L. RICHARDS & ASSOCIATES LTD. 864 Lady Ellen Pl Ottawa ON K1Z 5M2 T: 613-728-3571  F: 613-728-6012 www.jlrichards.ca Contact: Brian Hein Providing a wide range of environmental services including water and wastewater treatment plants, environmental assessment and planning, solid waste management, water resources and stormwater management, sewer and watermain condition assessment and rehabilitation design and energy management. Offices also in Kingston, Sudbury, Timmins, North Bay, Hawkesbury and Guelph. JACOBS 400 – 245 Consumers Rd Toronto ON M2J 1R3 T: 416-499-9000 www.jacobs.com

HYDRATEK & ASSOCIATES 216 Chrislea Rd Suite 204 Vaughan ON L4L 8S5 T: 416-238-7681 x480 d.radulj@hydratek.com | www.hydratek.com Contact: Djordje Radulj HydraTek specializes in hydraulic and energy investigations in water and wastewater systems. With its roots in hydraulic transient analysis, its service offering has expanded into field testing and data collection, pump performance and efficiency testing, computational fluid dynamic (CFD) modelling, amongst other specialized activities. In addition, HydraTek also offers education, training and research services, enjoying strong linkages with the University of Toronto. Based in the Toronto area, HydraTek has provided analytical and field services on assignments throughout Ontario, across Canada, and internationally since its origination in 1988.

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J.K. ENGINEERING LTD. 320 – 7930 Bowness Rd NW Calgary AB T3B 0H3 T: 403-247-1777  F: 403-286-9895 www.jkeng.ca

KGS GROUP CONSULTING ENGINEERS 3rd Floor 865 Waverley St Winnipeg MB R3T 5P4 T: 204-896-1209 www.kgsgroup.com

JADE ACOUSTICS INC. 411 Confederation Pkwy Concord ON L4K 0A8 T: 905-660-2444  F: 905-660-4110 general@jadeacoustics.com Contact: Dalila C. Giusti, Principal/Owner JFM ENVIRONMENTAL LIMITED 318 Neptune Crescent Unit 1 London ON N6M 1A1 T: 519-951-9191  F: 519-452-3089 info@jfmel.com JOHANSSON ENGINEERING LTD. 9 – 16728 115 St NW Edmonton AB T5X 6G6 T: 780-476-9670 johanssonengineering@shaw.ca www.johansson.engineering Contact: Bob Johansson JOHN G. PAYNE & ASSOCIATES LTD. 7 Black Willow Court Richmond Hill ON L4E 2M7 T: 905-773-0593  F: 905-773-0593 johnpayne@jgpa.ca Contact: John Payne, P.Eng, President JOHNSTON-VERMETTE GROUPE CONSEIL INC. 6110 Rue Christophe-Pelissier Trois-Rivieres QC G9A 5C9 KELLER ENGINEERING 1001 – 1 St SE Calgary AB T2G 5G3 T: 403-471-3492 info@kellerengineering.com www.kellerengineering.com Contact: Heinz Keller KERR WOOD LEIDAL ASSOCIATES LTD. 200 – 4185A Still Creek Dr Burnaby BC V5C 6G9 T: 604-294-2088 www.kwl.ca

LE GROUPE GENITIQUE 480 – 2655 Boul Du Royaume Jonquiere QC GYS 4S9

LEHDER ENVIRONMENTAL SERVICES 210 – 704 Mara St Point Edward ON N7V 1X4 T: 519-336-4101  F: 519-336-4311 info@lehder.com | www.lehder.com Contact: Ron Regier, General Manager LEHDER is one of the largest air quality management companies in Canada. All air quality aspects – source testing, emission inventories, air dispersion modeling, data interpretation and approval applications – are managed internally by our highly skilled, multidisciplinary teams located in Point Edward (Sarnia), Ontario and Edmonton, Alberta. We provide integrated solutions for our clients to address complex problems – visit www.lehder.com for more information. LEROUX BEAUDOIN HURENS & ASSOCIES INC. 255 Boul Cremazie E Montreal QC H2M 1L5 MALROZ ENGINEERING INC. 308 Wellington St 2nd Floor Kingston ON K7K 7A8 www.malroz.com MATRIX SOLUTIONS Suite 600 – 214 11th Ave SW Calgary AB T2R 0K1 T: 403-237-0606  F: 403-263-2493 info@matrix-solutions.com www.matrix-solutions.com MCELHANNEY CONSULTING SVCS LTD. 100 – 402 11th Ave SE Calgary AB T2G 0Y4 www.mcelhanney.com MCINTOSH PERRY 115 Walgreen Rd RR #3 Carp ON K0A 1L0 www.mcintoshperry.com MORRISON ENVIRONMENTAL LTD. 1 – 1087 Meyerside Dr Mississauga ON L5T 1J4 T: 905-564-8944 MPE ENGINEERING LTD. 300 – 714 5th Ave S Lethbridge AB T1J 0V1 T: 403-329-3442  F: 403-329-9354 christensen@mpe.ca | www.mpe.ca Contact: Greg Christensen MSR SOLUTIONS INC. 125-662 Goldstream Avenue Victoria BC V9B 0N8 www.msrsolutions.ca

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February 2020  |  75


CONSULTANTS

GUIDE TO ENVIRONMENTAL CONSULTANTS & LABORATORIES ara, Ottawa, Sudbury, Moncton, Fredericton, St. John’s and Mumbai, India.

MTE CONSULTANTS INC. 520 Bingemans Centre Dr Kitchener ON N2B 3X9 T: 519-743-6500 dwilhelm@mte85.com | www.mte85.com Contact: Dave Wilhelm MYM CONSULTING SERVICES 617 Fothergill Blvd Burlington ON L7L 6E3 T: 905-333-3623 mymconsulting@sympatico.ca www.mymconsulting.ca Contact: Michael Mark NADINE INTERNATIONAL INC. 2325 Skymark Ave Mississauga ON L4W 5A9 T: 905-602-1850  F: 905-602-1853 info@nadineintl.on.ca | www.nadineintl.on.ca NATIONAL RESEARCH COUNCIL (NRC) 4250 Wesbrook Mall Vancouver BC V6T 1W5 T: 604-221-3157  F: 604-221-3001 www.nrc-cnrc.gc.ca OGEE SOLUTIONS INC. 77 City Centre Dr Suite 501 East Tower Mississauga ON L5B 1M5 www.ogeesolutions.com ORTECH ENVIRONMENTAL 804 Southdown Rd Mississauga ON L5J 2Y4 www.ortechconsulting.com P MODDLE CONSULTING LTD. 6460 Riverside Dr Melbourne ON N0L 1T0 phil@pmoddleconsulting.com www.pmoddleconsulting.com Contact: Phil Moddle, P. Geo., Senior Consultant PARACEL LABORATORIES LTD. 318 Neptune Crescent Unit 2 London ON N6M 1A1 T: 800-749-1947 www.paracellabs.com PARSONS INC. 1223 Michael St Suite 100 Ottawa ON K1J 7T2 T: 613-738-4160 www.parsons.com PETO MACCALLUM LTD. 165 Cartwright Ave Toronto ON M6A 1V5 www.petomaccallum.com PGL ENVIRONMENTAL CONSULTANTS 1500 – 1185 Georgia St W Vancouver BC V6E 4E6 www.pggroup.com PILOT PERFORMANCE RESOURCES MANAGEMENT INC. 7 – 27111 0 Avenue Aldergrove BC V4W 2S9 T: 604-381-3313 jpilot@pilotims.com Contact: Jayne Pilot, President PINCHIN LTD. 2470 Milltower Ct Mississauga ON L5N 7W5 T: 905-363-1396 ldrisdelle@pinchin.com | www.pinchin.com Contact: Linda Drisdelle PINTER & ASSOCIATES LTD. 710A 48th St East Saskatoon SK S7K 5B4 T: 306-244-1710  F: 306-933-4986 www.pinter.ca PLURITEC LTEE. 1100 Place du Technoparc bur 200 Trois Rivières QC G9A 0A9 T: 819-379-8010 www.pluritec.qc.ca

76  | February 2020

POLLUTECH ENVIROQUATICS LIMITED 122 – 704 Mara St Point Edward ON N7V 1X4 T: 519-339-8787  F: 519-336-6965 www.pollutech.ca Contact: Jenny Gough, P.Eng., President Pollutech EnviroQuatics Limited, based in Point Edward, Ontario, offers client-focused and industry-leading environmental consulting, engineering, technical and field services, as well as a CALA-accredited (ISO17025:2015) aquatic toxicity testing laboratory. Serving a wide range of sectors, we work closely with industry and government to deliver innovative solutions through applied scientific and technical expertise. Our key strengths include acute and chronic toxicity testing, site assessment and remediation, soil and groundwater programs, marine services, and regulatory assistance. PREVENTION AND REGULATORY SOLUTIONS LTD. PO Box 322 Maitland ON K0E 1P0 T: 613-348-3403  F: 613-348-1306 info@pandrs.com | www.pandrs.com Contact: John McGeough, President

RED LEA ENVIRONMENTAL CORPORATION 14 Mintwood Court Brampton ON L6Z 3K2 T: 905-495-0926 www.redlea.ca RICE RESOURCE TECHNOLOGIES 9333 – 41 Avenue NW Edmonton AB T6E 6R5 T: 780-469-1356 www.riceresource.com RISKCHECK ENVIRONMENTAL LTD. 2235 Sheppard Avenue E Toronto ON M2J 5B5 T: 416-640-2444 www.riskcheckinc.com RIVERCOURT ENGINEERING INC. 4 Beechwood Cres Toronto ON M4K 2K8 T: 647-479-4104 info@rivercourt.ca | www.rivercourt.ca Contact: Andrew Hellebust, President RJC ENGINEERS 1816 Crowchild Trail NW Suite 500 Calgary AB T2M 3Y7 T: 403-283-5073 info@rjc.ca | www.rjc.ca ROBINSON CONSULTANTS INC. 350 Palladium Dr Ottawa ON K2V 1A8 T: 613-592-6060 x104  F: 613-592-5995 ajrobinson@rcii.com Contact: Andrew Robinson, Chairman ROI ENGINEERING INC. 550 Chemin Du Golf Montreal QC H3E 1A8

R.E. POISSON ENGINEERING INC. 200 – 55 Cork St E Guelph ON N1H 2W7 T: 519-767-2004  F: 519-767-2040 robert@repoisson.com | www.repoisson.com Contact: Robert Poisson, P.Eng., President R.E. Poisson Engineering has been providing engineering services to the municipal and industrial markets since 2001. Services include water and wastewater process design, process mechanical design, process controls, project management, environmental assessments and contract administration. We also have expertise in water and wastewater policy management, and sewer use bylaw administration. R.J. BURNSIDE & ASSOCIATES LIMITED 15 Townline Orangeville ON L9W 3R4 T: 519-941-5331

RUBIDIUM ENVIRONMENTAL INC. 845 Harrington Court Burlington ON L7N 3P3 T: 905-635-4063  F: 905-635-4874 info@rb-enviro.com | www.rb-enviro.com Contact: Robin Brown, President RWDI 600 Southgate Dr Guelph ON N1G 4P6 T: 519-823-1311  F: 519-823-1316 elaine.farrow@rwdi.com | www.rwdi.com Contact: Elaine Farrow SAFETECH ENVIRONMENTAL LIMITED 3045 Southcreek Rd Unit 14 Mississauga ON L4X 2X7 T: 905-624-2722  F: 905-624-4306 www.safetechenv.com SANEXEN ENVIRONMENTAL SERVICES INC. 9935 de Catania Ave Entrance 1 Suite 200 Brossard QC J4Z 3V4 www.sanexen.com SARAFINCHIN ASSOCIATES LTD. 238 Galaxy Blvd Toronto ON M9W 5R8 T: 416-674-1770  F: 416-674-1997 geoeng@sarafinchin.com Contact: Murray Sarafinchin, Dr. Myint Win Bo

R.V. ANDERSON ASSOCIATES LIMITED 300 – 2001 Sheppard Ave E Toronto ON M2J 4Z8 T: 416-497-8600 toronto@rvanderson.com | www.rvanderson.com Contact: Shawn Scott, Vincent Nazareth, Peter Langan, Zoran Filinov, Nick Palomba Environmental and infrastructure specialists: planning and management, design and construction, operations and optimization services for water, wastewater, transportation and urban development. Branches: Halton, London, Niag-

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SASKATCHEWAN RESEARCH COUNCIL 125 – 15 Innovation Blvd Saskatoon SK S7N 2X8 T: 306-933-5400 info@src.sk.ca | www.src.sk.ca SCHAEFFERS CONSULTING ENGINEERS 6 Ronrose Dr Concord ON L4K 4R3 www.schaeffers.com SCHEFFER ANDREW LTD. 12204 – 145 St Edmonton AB T5L 4V7 www.schefferandrew.com

Environmental Science & Engineering Magazine


CONSULTANTS

GUIDE TO ENVIRONMENTAL CONSULTANTS & LABORATORIES our team works to optimize every facet of a water system. We deliver creative solutions to conveyance, wastewater treatment, water treatment, and water resources projects that minimize cost and maximize the sustainability of the resource.

SCO-TERRA CONSULTING GROUP LIMITED 321 Dufferin Avenue London ON N6B 1Z3 T: 519-434-0278  F: 519-434-6820 www.scoterra.com SDK ET ASSOCIES INC. Bur 2120 – 1751 Rue Richardson Montreal QC H3K 1G6

STIRLING ENGINEERING INC. PO Box 313 Ingleside ON K0C 1M0 T: 613-362-7847 www.stirlingengineering.ca

SGS CANADA INC. 185 Concession St Lakefield ON K0L 2H0 T: 289-654-5409 www.sgs.com

STRATEGIES FOR THE ENVIRONMENT 1 Yorkdale Rd Suite 411 Toronto ON M6A 3A1 T: 416-789-3713 info@strategies4enviro.com www.strategies4enviro.com

SIMULENT CONSULTING INC. 203 College St Suite 302 Toronto ON M5T 1P9 T: 416-979-5544  F: 416-979-5519 www.simulent.com SIRATI & PARTNERS CONSULTANTS 12700 Keele St King City ON L7B 1H5 T: 905-833-1582  F: 905-669-4488 archie@sirati.ca | www.sirati.ca Contact: Archie Sirati SKELTON, BRUMWELL & ASSOCIATES INC. 107 – 93 Bell Farm Rd Barrie ON L4M 5G1 www.skeltonbrumwell.ca SLR CONSULTING (CANADA) LTD. 1586 Ogilvie St Prince George BC V2N 1W9 www.slrconsulting.com/na SNC-LAVALIN ENVIRONMENT 455 René-Lévesque Blvd W Montreal QC H2Z 1Z3 www.snclavalin.com SOIL ENGINEERS LTD. 100 – 90 W Beaver Creek Richmond Hill ON L4B 1E7 T: 416-754-8515 www.soilengineersltd.com SOLENT PROCESS SAFETY 99 Race St Princeton NJ 8542 T: 609-610-6570 solent.safety@gmail.com | www.solent-safety.com SOLINOV INC. 240 – 100 Rue Richelieu S Saint-Jean-sur-Richelieu QC J3B 6X3 www.solinov.com SOLROC GROUP 4000 Griffith Montréal QC H4T 1A8 www.solroc.com SPRIET ASSOCIATES 155 York St London ON N6A 1A8 www.spriet.on.ca

SUMMA ENGINEERING LIMITED 3230A American Dr Mississauga ON L4V 1B3 T: 905-678-3388  F: 905-678-0444 drubino@summaeng.com | www.summaeng.com Contact: Diana Rubino In-depth knowledge of water and wastewater processes and extensive experience with instrumentation and SCADA projects have allowed Summa Engineering Limited to provide quality goods and services to Canadian industrial and municipal markets continuously for over 37 years.

TAVARES GROUP CONSULTING INC. 10620 Yonge St PO Box 32215 Richmond Heights Richmond Hill ON L4C 4H0 T: 519-852-0253 www.tavaresgroupconsulting.com Contact: Sandra Tavares TESTMARK LABORATORIES LTD. Head Office: 7 Margaret St Garson ON P3L 1E1 T: 888-282-0422 sylvia.rennie@testmark.ca Contact: Sylvia Rennie

THURBER ENGINEERING LTD. 100 – 4396 W Saanich Rd Victoria BC V8Z 3E9 www.thurber.ca TRITON ENGINEERING SERVICES LIMITED 14 –105 Queen St West Fergus ON N1M 1S6

STANTEC 400 – 10220 103 Avenue NW Edmonton AB T5J 0K4 T: 780-917-7112 dan.chernishenko@stantec.com www.stantec.com/water Contact: Dan Chernishenko, Regional Business Leader, Water We design with community in mind. Through the life cycle of capture, use, reuse, and discharge,

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WADDELL ENVIRONMENTAL INC. Prince George BC T: 250-640-8088 waddellenvironmental@gmail.com Contact: Glenda Waddell, President WATER FOR PEOPLE – CANADA 400 –245 Consumers Rd Toronto ON M2J 1R3 T: 416-499-4042 www.waterforpeople.org WATERLINE RESOURCES INC. 6415 10 St SE Calgary AB T2H 2Z9 T: 403-243-5611.  F: 403-243-5613 info@waterlineresources.com www.waterlineresources.com Contact: Ken Dowdle, Business Development WESTERN WATER ASSOCIATES LTD. 301 –1095 McKenzie Avenue Victoria BC V8P 2L5 T: 250-704-4428 info@westernwater.ca | www.westernwater.ca WPC SOLUTIONS INC. 119 Stonegate Crescent NW Airdrie AB T4B 2P2 T: 587-254-4646 aww@wpcsolutions.ca Contact: A. Warren Wilson, President & CEO

TATHAM ENGINEERING 200 – 115 Sandford Fleming Dr Collingwood ON L9Y 5A6 T: 705-444-2565 info@tathameng.com | www.tathameng.com

THE MUNICIPAL INFRASTRUCTURE GROUP LTD. 200 – 8800 Dufferin St Vaughan ON L4K 0C5 T: 905-738-7500 x352  F: 905-738-0065 info@tmig.ca | www.tmig.ca

SRK CONSULTING 205 – 2100 Airport Dr Saskatoon SK S7L 6M6 www.srk.com

VIRTUAL ENGINEERS 3760 14th Avenue Suite 302 Markham ON L3R 3T7 T: 905-707-0704  F: 905-475-1605 rawarner@virtual-engineers.com www.virtual-engineers.com Contact: R. Anthony Warner, President & CEO

URBAN SYSTEMS LTD. 304 –1353 Ellis St Kelowna BC V1Y 1Z9 www.urbansystems.ca

WSP 100 Commerce Valley Dr West Thornhill ON L3T 0A1 T: 905-882-1100 www.wsp.com WSP is one of the world's leading professional services consulting firms. We are dedicated to our local communities and propelled by international brainpower. We are technical experts and strategic advisors including engineers, technicians, scientists, project managers, planners, surveyors and environmental specialists, as well as other design and program management professionals. We design and deliver lasting solutions in the Buildings, Transportation, Infrastructure, Oil & Gas, Environment, Geomatics, Energy, Resources and Industry sectors as well as project delivery and strategic consulting services. With over 8,000 talented people across Canada and 42,000 globally, we engineer projects that will help societies grow for generations to come. XCG CONSULTING LTD. 820 Trillium Dr Kitchener ON N2R 1K4 T: 519-741-5774 www.xcg.com

VALDOR ENGINEERING INC. 741 Rowntree Dairy Rd Vaughan ON L4L 5T9 T: 905-264-0054 x224  F: 905-264-0069 www.valdor-engineering.com VERITEC CONSULTING INC. 12 –1495 Bonhill Rd Mississauga ON L5T 1M2

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February 2020  |  77


SUPPLIERS

GUIDE TO ENVIRONMENTAL EQUIPMENT & SERVICE SUPPLIERS

ES&E’S GUIDE TO ENVIRONMENTAL EQUIPMENT & SERVICE SUPPLIERS To search the Directory and Buyers’ Guide by Product or Service visit www.esemag.com/directory Note: This guide is intended as a service for ES&E readers only. No claims are made that it is a comprehensive review. ES&E relies on information supplied by companies and reader information.

ABB INC. 3450 Harvester Rd Burlington ON L7N 3W5 T: 905-333-7586  F: 905-333-7502 redir.a.obaji@ca.abb.com Contact: G.A. (Redir) Obaji ACCESS INDUSTRIAL INC. 5205 Timberlea Blvd Mississauga ON L4W 2S3 T: 905-602-4020  F: 416-557-1380 pveter@accessindustrial.com www.accessindustrial.com ACCUWORX INC. 220 Superior Blvd Mississauga ON L5T 2L2 T: 416-410-7222 info@accuworx.ca | www.accuworx.ca

ACG-ENVIROCAN INC. 7 – 131 Whitmore Rd Woodbridge ON L4L 6E3 T: 905-856-1414  F: 905-856-6401 sales@acg-envirocan.ca | www.acg-envirocan.ca Contact: Blake Tonogai or Greg Jackson Suppliers of water and wastewater treatment equipment for municipal and industrial applications, including AquaNereda® granular sludge process, headworks screens/compactors, septage receiving systems, sewage/sludge grinders, grit removal systems, fine and coarse bubble aeration systems, lagoon aeration systems, lagoon cold weather nitrification technology, jet aeration and mixing, mechanical aerators, P.D., centrifugal and turbo type blowers, tertiary filters, DAF equipment, centrifuges, belt presses, ozone disinfection, tank covers, hatches, chain and flight clarifiers, circular clarifiers, shaftless and shafted screw conveyors, odour control systems, iron & manganese removal systems, open channel and insertion magnetic flow meters & data loggers.

systems for water & wastewater from 4gpm4000+gpm. Hundreds of systems are in place across Canada & internationally for residential, government (e.g. Ontario Parks), engineering designs, industrial/food, academia & more. Aclarus on-demand ozone systems treat any source water to bottled quality. Complete 3-in-1 treatment: disinfection (bacteria, virus, cysts), oxidation (iron/metals, lead, sulphur), & aesthetic (tannin/color, taste, smell) in a compact, practical & affordable design. Our McGill University study showed the system's unique ability to treat emerging contaminants: R/X, THMs, pesticides, hormones, drugs & more.

ACME ENGINEERING PRODUCTS INC. 2330 State Route 11 POB 460 PMB 10 Mooers NY 12958-3725 T: 518-236-5659  F: 518-236-6941 info@acmeprod.com | www.acmeprod.com Contact: Robert Presser ACO SYSTEMS, LTD. 1 – 2880 Brighton Rd Oakville ON L6H 5S3 T: 877-226-4255 dfilip@aco-online.ca | www.acocan.ca Contact: Dinu Filip ACUTE ENVIRONMENTAL & SAFETY SERVICES 3 – 730 Bridge St Waterloo ON N2V 2J4 www.acuteservices.com ADEDGE WATER TECHNOLOGIES 2055 Boggs Rd Buford GA 30518 T: 678-835-0052 ADS ENVIRONMENTAL TECHNOLOGIES 5 – 15 Connie Crescent Concord ON L4K 1L3 T: 800-813-1068 elott@idexcorp.com | www.adsenv.com/canada Contact: Eric Lott

78  | February 2020

AGGREGATES EQUIPMENT, INC. 9 Horseshoe Rd Leola PA 17540 T: 717-656-2131 info@aeiscreens.com | www.aeiscreens.com

ALBARRIE GEOCOMPOSITES LIMITED 85 Morrow Rd Barrie ON L4N 3V7 T: 705-737-0551  F: 705-737-4044 info@sorbwebplus.com | www.sorbwebplus.com Contact: Carla Smiderle Never send out another maintenance person again after a rainfall to empty out your secondary containment. Albarrie’s SorbWeb™Plus spill containment system allows water to pass through the floor area but seals on contact with hydrocarbons. Thanks to a revolutionary new hydrocarbon reactive geotextile capable of transforming from a permeable membrane into an impermeable one. ALFA LAVAL INC. 101 Milner Avenue Scarborough ON M1S 4S6 T: 416-299-6101  F: 416-299-5476 anup.jagadeesh@alfalaval.com www.alfalaval.ca Contact: Anup Jagadeesh or Marc Hunt

AERATION INDUSTRIES INTERNATIONAL 4100 Peavey Rd Chaska MN 55318 T: 952-448-6789  F: 952-448-7293 aii@aireo2.com

ACI INSTRUMENTATION LIMITED 14 Gormley Industrial Ave Unit 5 Gormley ON L0H 1G0 T: 905-888-0063  F: 905-888-6381 sales@aciltd.ca | www.aciltd.ca

ACLARUS OZONE WATER SYSTEMS 900 Major Bennett Dr Peterborough ON K9J 6X6 T: 888-705-8801  F: 705-745-3493 adoran@aclarus.ca | www.aclarus.ca Contact: Adam Doran Aclarus designs & builds NSF-61 Certified ozone

tion, soil remediation, and biogas conveying & compression systems. Our principal design goal is minimal life cycle cost, coupled to energy efficiency, low noise emission, and operating & maintenance simplicity. After sales service is ensured by a large inventory of spare parts and machines, and factory trained technicians.

AERZEN CANADA 980 Rue Valois Suite 100 Vaudreuil-Dorion QC J7V 8P2 T: 450-424-3966 x226  F: 450-424-3985 sales-ca@aerzen.com | www.aerzen.ca Contact: Scott McLeod Aerzen (Germany, founded 1864) is a world leading manufacturer of positive displacement blowers, screw compressors and high speed turbo blowers. Standard air duty as well as purpose built fully certified biogas machine packages find applications in aeration, filtra-

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ALL-WELD COMPANY LIMITED 49 Passmore Avenue Toronto ON M1V 4T1 T: 416-299-3311  F: 416-299-3387 bruno@allweld.ca | www.allweld.ca Contact: Bruno Zuccato, Technical Representative With expertise in engineering design, manufacturing and project management, 100 years of operations as a custom metals fabricator who specializes in pressure vessels and other industrial equipment, complemented with in-house engineering and mechanical design, manufacturing, welding, full machining capabilities and all aspects of QA testing and reporting. All-Weld is your “One-Stop-Shop”. Industrial sectors include Mining, Water & Wastewater, Pulp and Paper, Bio Energy, Chemical, Biotechnology and Medical, Food and Petrochemical to name a few.

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GUIDE TO ENVIRONMENTAL EQUIPMENT & SERVICE SUPPLIERS ALLTORK ACTUATION 212 Wyecroft Rd Unit 23 Oakville ON L6K 3T9 T: 905-842-0244  F: 905-845-3009 jcarney@alltork.com Contact: John Carney

nesses, start-ups, academia, and non-profits. The Centre is operated by the Metro Vancouver regional government organization.

AMERICAN PUBLIC UNIVERSITY 111 W Congress St Charles Town WV 25414 T: 877-777-9081 info@apus.edu | www.studyatapu.com/ese

ASL ROTEQ LTD. 12 – 253 Summerlea Rd Brampton ON L6T 5A8 T: 905-791-2406

AMETEK MOCON - BASELINE 19661 Highway 36 / PO Box 649 Lyons CO 80540 T: 303-823-6661  F: 303-823-5151 info.baseline@ametek.com www.baseline-mocon.com AMS INC. 105 Harrison St American Falls ID 83211 T: 800-635-7330  F: 208-226-7280 www.ams-samplers.com ANALYTICAL TECHNOLOGY INC. 6 Iron Bridge Dr Collegeville PA 19456 T: 610-917-0991  F: 610-917-0992 www.analyticaltechnology.com ANDRITZ SEPARATION INC. 1010 Commercial Blvd. S Arlington TX 76001 T: 817-465-5611 separation.us@andritz.com www.andritz.com/separation

ANTHRAFILTER MEDIA & COAL LTD. 20 Sharp Rd Brantford ON N3T 5L8 T: 519-751-1080  F: 519-751-0617 swildey@anthrafilter.net www.anthrafilter.net Contact: Steve Wildey Filter media replacement across North America since 1976. Service to all types of filters including: gravity, pressure, traveling bridge and others. Removal, disposal, supply and installation. Anthracite filter media, filter sands and gravels, garnet, greensand, activated carbon, etc. Quality, efficiency, customer satisfaction. APG-NEUROS 1270 Michele-Bohec Blainville QC J7C 5S4 T: 450-939-0799  F: 450-939-2115 AQUA TECHNICAL SALES INC. 124 MacNab St S Hamilton ON L8P 3C3 T: 905-528-3807 Contact: Brian Gage, President AQUA-AEROBIC SYSTEMS 6306 N Alpine Rd Loves Park IL 61111 www.aqua-aerobic.com

ANGUIL ENVIRONMENTAL SYSTEMS, INC. 8855 North 55th St Milwaukee WI 53223 T: 414-365-6400  F: 414-365-6410 kevin.summ@anguil.com | www.anguil.com Contact: Kevin Summ Anguil Environmental provides highly engineered, environmental equipment and service solutions that help solve complex industrial air and water challenges across the globe. From thermal and catalytic oxidizers for air pollution control applications, to custom integrated solutions for wastewater treatment projects. Anguil is committed to protecting the environment with unmatched engineering, innovative equipment, guaranteed compliance and reliable service.

ANNACIS RESEARCH CENTRE 1400 Lindsey Place Delta BC V3M 6V1 T: 604-395-2325 www.annacisresearchcentre.ca Contact: Leah Waldron, Marketing & Event Coordinator Annacis Research Centre is a LEED Platinum research facility and event venue designed to support Metro Vancouver, partners, and private researchers exploring new innovations and processes in wastewater, water, and resource recovery research. Bench and pilot scale leasing opportunities are available to established busi-

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AQUATIC SENTRY CONTROLS INC. 62 Silver Birch Hills Sherwood Park AB T8B 1G6 T: 780-628-5400  F: 780-467-1567 ron.wagner@aquaticsentry.com www.aquaticsentry.com Contact: Ron Wagner

AQUABLAST CORP. 77 Orchard Rd Ajax ON L1S 6K9 T: 905-619-3009 x215  F: 905-619-3638 john@aquablast.ca | www.aquablast.ca Contact: John Eecloo, President/General Manager AQUABLOK, LTD. 175 Woodland Avenue Swanton OH 43558 T: 419-825-1325 www.aquablok.com AQUAFY WATER TECHNOLOGIES INC. 116 Glebemount Avenue Toronto ON M4C 3S1 T: 416-487-2898 max.rao@aquafy-wt.com www.aquafy-wt.com Contact: Max Rao

ASSMAN CORPORATION OF AMERICA 300 N Taylor Rd Garrett IN 46738 T: 888-357-3181  F: 888-826-5329 ATLAS COPCO COMPRESSORS CANADA 5060 Levy Saint-Laurent QC H4R 2P1 T: 800-667-9875 compressors.canada@ca.atlascopco.com ATLAS DEWATERING CORPORATION 111 Ortona Crt Concord ON L4K 3M3 T: 905-669-6825 info@atlasdewatering.com www.atlasdewatering.com Contact: Andrew Famiglietti

AVENSYS SOLUTIONS 5 – 3280 South Service Rd Oakville ON L6L 0B1 T: 416-499-4421  F: 416-499-0816 info@avensys.com | www.avensys.com Contact: Pierre Michaud Avensys Solutions Inc. is an industry leader providing instrumentation and integrated solutions for the monitoring of industrial processes and environmental surveillance applications for air and water in the Canadian marketplace. Avensys’ team of highly knowledgeable professionals is committed to providing cost-effective, customer-driven solutions, and high quality products, from single instrument to integrated customized systems. We offer solutions for the following sectors: Water and wastewater; industrial processes; air quality and pollution control; power generation; waste to energy; natural resources monitoring; hydrological and meteorological monitoring; and research.

AQUARIUS TECHNOLOGIES, LLC 420 Technology Way Suite D Saukville WI 53080 T: 262-268-1500 www.aquariustechnologies.com AQUASMART TECHNOLOGIES INC. 7288 Progress Way Delta BC V4G 1L4 T: 888-294-3636 www.aquasmart.com AQUATECH DEWATERING COMPANY 331 Rodinea Rd Maple ON L6A 0C8 T: 905-907-1700  F: 905-907-1701 info@aquatd.com www.aquatechdewatering.com AQUATIC INFORMATICS 2400 1111 West Georgia St Vancouver BC V6E 4M3 T: 604-873-2782 kevin.martin@aquaticinformatics.com www.aquaticinformatics.com Contact: Kevin Martin

AWI (ANTHRATECH WESTERN INC.) 4450 – 46 Ave SE Calgary AB T2B 3N7 T: 403-255-7377  F: 403-255-3129 info@awifilter.com | www.awifilter.com Contact: Sonia Braganza, Marketing Assistant AWI’s innovative filter optimization products include the Phoenix Underdrain and Panel Systems. These custom-engineered solutions guarantee uniform backwash water flow distribution, ensuring sustainable filter performance and long-service life of your media bed. With AWI’s site-specific approach to filter optimization, you can expect improved filter performance and the training and technical support to maintain your filters in optimum condition.

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GUIDE TO ENVIRONMENTAL EQUIPMENT & SERVICE SUPPLIERS

AWT TECHNOLOGIES, INC. 39164 Cardinal Dr Squamish BC V8B 0V3 T: 604-390-1394  F: 403-770-8694 nigel@awt-technologies.com www.awt-technologies.com Contact: Nigel Slater AXINE WATER TECHNOLOGIES 108 – 2386 East Mall Vancouver BC V6T 1Z3 T: 604-336-8900 info@axinewater.com | www.axinewater.com B.N.W. VALVE MANUFACTURING LTD. 524 6th Concession Rd W/PO Box 47 Millgrove ON L0R 1V0 T: 905-689-4713  F: 905-689-7402 sales@bnwvalve.ca | www.bnwvalve.com BABCOCK & WILCOX MEGTEC 830 Prosper St DePere WI 54115 T: 920-336-5715 info@megtec.com | www.babcock.com/megtec

BARR PLASTICS INC. Unit A – 31192 S Fraser Way Abbotsford BC V2T 6L5 T: 800-665-4499 info@barrplastics.com | www.barrplastics.com For over 50 years, BARR Plastics Inc. has been committed to learning as much as we can about our customers’ needs and the challenges they face. This has allowed us to become the leading supplier of environment-enhancing solutions for rainwater harvesting, stormwater management, wastewater treatment, potable water storage and certified safe food, beverage and chemical handling.

BDP INDUSTRIES 354 State Route 29 PO Box 118 Greenwich NY 12834 T: 518-796-1440 dan@bdpindustries.com | www.bdpindustries.com Contact: Dan Fronhofer BDP Industries is a leading supplier of dewatering, thickening, and composting equipment with hundreds of installations throughout the world. The company’s main products include Belt Filter Presses, Screw Presses, Gravity Belt Thickeners, Rotary Drum Thickeners, and in-vessel Composting Systems. Complete system packages are also available, both skid and trailer mounted. BELZONA GREAT LAKES HOLDINGS LTD. 588 Edward Avenue Unit 51 Richmond Hill ON L4C 9Y6 T: 905-737-1515 BESTOBELL AQUATRONIX 2880 Argentia Rd Mississauga ON L5N 7X8 T: 905-826-1953  F: 905-826-1778 salesdesk@bestobell.com | www.bestobell.com

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BI PURE WATER, INC. 2 – 9790 190th St Surrey BC V4N 3M9 T: 604-882-6650  F: 604-882-6659 info@bipurewater.com | www.bipurewater.com Contact: Deanne Mould BIOAIR SOLUTIONS, LLC 110 Kresson-Gibbsboro Rd Suite 303 Voorhees NJ 8043 T: 856-258-6969 x132  F: 856-258-6975 www.bioairsolutions.com BIOMAXX WASTEWATER SOLUTIONS INC. 1 – 7163 Vantage Way Delta BC V4G 1N1 T: 855-940-5556  F: 604-940-5557 BIOREM TECHNOLOGIES INC. 7496 Wellington Rd 34 Puslinch ON N0B 2J0 www.biorem.biz

BIRKSCO 25 McCurdy Rd Guelph ON N1G 4Z9 T: 905-691-0981 candrews@birksco.com | www.birksco.com Contact: Claire Andrews Supplier and manufacturer of Aqualoader bulk water and septage stations, including the Attendant control system. Full start to finish, turn-key solutions. Custom designs and solar options available to suit all needs. Pre-paid, billing, and remote communication options available. Manufacturer Representative for Kupferle Foundry sampling stations. Also carry manual, automatic, and intelligent flushers and yard hydrants. Hot Box enclosures, Febco backflow preventers, and more.

BISHOP WATER TECHNOLOGIES 220 Carswell St Renfrew ON K7V 2G4 T: 343-361-0463  F: 844-272-6102 shelly@bishopwater.ca www.bishopwater.ca Contact: Shelly Dean Bishop Water Technologies provides simple, low-energy nutrient removal and solids management solutions that enable communities and industries to affordably solve water and wastewater challenges, while protecting the environment. Hundreds of sites trust our reliable, customizable solutions to deliver robust performance and easy operation with low capital and operating costs. Our highly experienced team relentlessly supports our clients and works collaboratively with like-minded, environmentally focused partners to enhance the performance, value and sustainability of our solutions.

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BLUE-WHITE INDUSTRIES 5300 Business Dr Huntington Beach CA 92649 T: 714-893-8529  F: 714-894-9492 sales@blue-white.com | www.blue-white.com Contact: David Koch BLUE-WHITE® INDUSTRIES, located in Huntington Beach, California, USA, is in their 63rd year as a leading manufacturer of products used in: municipal and industrial water and wastewater treatment; processing industries; rural water systems; agriculture and more. Product lines include: For chemical feed: CHEM-FEED® and Chem-Pro® Diaphragm Metering Pumps, ProSeries®, Proseries-M® and FLEXFLO® Peristaltic type Chemical Metering Pumps and Chemical Feed Sensors. For flow measurement: Variable Area and Digital Flowmeters, Proportional Feed Systems and Skid Systems. Blue‑White products are sold and serviced worldwide.

BOERGER, LLC 2860 Water Tower Place Chanhassen MN 55317 T: 612-435-7300  F: 612-435-7301 america@boerger.com | www.boerger.com Contact: Jeff Seaton Boerger specializes in reliable and cost-effective Rotary Lobe Pumps and Macerating Technology for the conveyance of low to high viscous and abrasive materials. Boerger’s core product is the patented Rotary Lobe Pump, which is a self-priming, valveless, positive displacement pump available in 20 different models with flows up to 5,000 gpm. All wear parts can be easily replaced without the removal of pipe or drive systems. BOWRIO WATER TECHNOLOGIES INC. 13488-63 Ave Surrey BC V3X 1J9 T: 604-592-2464  F: 604-592-2465 mblair@bowriowater.ca Contact: Murray Blair, Managing Partner BQE WATER Suite 250 – 900 Howe St Vancouver BC V6Z 2M4 T: 604-685-1243  F: 604-685-7778 info@bqewater.com | www.bqewater.com Contact: Patrick Littlejohn BROOK ONE CORPORATION 250 Consumers Rd Suite 206 Toronto ON M2J 4V6 T: 416-901-0988 www.brookone.com BSI GROUP CANADA 6205B Airport Rd Suite 414 Mississauga ON L4V 1E3 T: 800-862-6752  F: 416-620-9911 inquiry.canada@bsigroup.com www.bsigroup.com/en-ca

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GUIDE TO ENVIRONMENTAL EQUIPMENT & SERVICE SUPPLIERS C&M ENVIRONMENTAL TECHNOLOGIES INC. 2160 Dunwin Dr Unit 1 Mississauga ON L5L 5M8 T: 905-612-8980 or 705-725-9377  F: 705-725-8279 info@cmeti.com | www.cmeti.com Contact: Rob Anderson, Tonia Van Dyk

CAMBRIDGE BRASS 140 Orion Place PO Box 249 Cambridge ON N1R 5V1 T: 519-621-5520  F: 519-621-8038 cbsales@cbrass.com | www.cambridgebrass.com Contact: Terri Mand With over 100 years of experience in the industry, Cambridge Brass is one of North America’s leading designers, manufacturers and distributors of municipal waterworks products. Our Cambridge facility incorporates foundry, machining and assembly under one roof which allows us to control quality, design and delivery to meet customer needs in a timely and efficient manner. Our goal is to continuously lead and innovate to meet the changing needs of the water works industry. CAMERON INSTRUMENTS INC. 173 Woolwich St Unit 103 Guelph ON N1H 3V4 T: 519-824-7111 www.cameroninstruments.com

CAN-AM INSTRUMENTS LTD. 2851 Brighton Rd Oakville ON L6H 6C9 T: 905-829-0030 support@can-am.net | www.can-am.net Contact: Mark Reeves, President Can-Am Instruments Ltd. provides sales, rental and installation of environmental monitoring equipment. As an authorized distributor of Hach and Telog, we sell/ rent samplers and flow meters with many options including wireless/web based monitoring. In addition to providing a wide range of monitoring equipment, Can-Am has specialty equipment for the removal and monitoring of oil in water by representing leading companies in this field like Highland and Arjay.

CANADIAN PUMP SOLUTIONS 280 Portage Close Sherwood Park AB T8H 2R6 T: 855-210-4848 lane.miller@canadianpump.com www.canadianpump.com Contact: Lane Miller Canadian Pump Solutions leads the way in pump rental solutions servicing many sectors within Canada. CPS has the largest fleet of high performance pump products supported with technical know how and 24/7, 365 days-a-year service. Each customer & each project is unique to Canadian Pump Solutions. We pride ourselves in quality, customer service & excellence. When you’re operating around the clock, particularly in urban & residential areas, noise is a primary concern. We offer the quietest pumps on the market today, with our Super Silent package giving world-leading sound attenuation diesel motors. Our Super Silent options also offer protection against the elements and added security against theft or vandalism. CANADIANPOND.CA PRODUCTS LTD. 570 Knowlton Rd Lac-Brome QC J0E 1V0 T: 1-866-249-0976  F: 450-243-0976 info@canadianpond.ca

CANADA UNLIMITED INC. (IFAT – MESSE MUENCHEN) 9 – 6975 Meadowvale Town Centre Circle Suite 418 Mississauga ON L5N 2V7 T: 905-813-1051  F: 905-824-5067 info@canada-unlimited.com www.canada-unlimited.com Contact: Neeta Correa

CANADIAN SAFETY EQUIPMENT INC. 114 – 2465 Cawthra Rd Mississauga ON L5A 3P2 T: 800-265-0182  F: 905-272-1866 ross@cdnsafety.com | www.cdnsafety.com Contact: Ross Humphry Canadian Safety Equipment specializes in confined space entry and rescue equipment including fall protection, gas detection, communication systems and respiratory protection. In addition, we offer the GRACE Lone Worker Monitoring Systems used to monitor lone workers, and in the event that they are hurt or rendered unconscious, will immediately call for assistance. Systems are available for water or wastewater treatment plant monitoring, pumping stations, and can also monitor mobile workers.

Insitu Groundwater Contractors • • • • • P: 519-763-0700 F: 519-763-6684 • 48 Dawson Road Guelph, ON N1H 5V1

Dewatering systems Mobile groundwater treatment systems Well and pump installation and maintenance Pump, filter, generator rentals Sediment tank rentals Insitu groundwater remediation systems

www.insitucontractors.com

CANADIAN INFRASTRUCTURE PRODUCTS 905 Joseph Schoerg Pl Kitchener ON N2P 2X8 T: 519-212-9161 msmith@c-i-p.ca | www.c-i-p.ca Contact: Mark Smith Canadian Infrastructure Products specializes in stormwater quality products. We design and size systems to remove sediment from stormwater and oil from water. Our products are tested to industry standards (ETV and NJDEP) and come with inspection programs ensuring long service lives.

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GUIDE TO ENVIRONMENTAL EQUIPMENT & SERVICE SUPPLIERS info@completewaters.com www.completewaters.com Contact: Blake Spittle

CANCOPPAS LIMITED 2 – 2595 Dunwin Dr Mississauga ON L5L 3N9 T: 905-569-6246  F: 905-569-6244 controls@cancoppas.com | www.cancoppas.com Contact: Jake Alaica Marketing, sales and service of process control and environmental instrumentation throughout Canada. Specializing in technologies for flow, level, pressure, temperature and on-line analysis for water and wastewater processes. By focusing on products that employ leading edge and unique technologies, Cancoppas is able to provide solutions to problems where other suppliers fall short. CAPOVANI BROTHERS INC. 704 Prestige Pkwy Scotia NY 12302 T: 518-346-8347 cbi@capovani.com | www.capovani.com Contact: Edward Capovani CARTER PUMP 152 Franklin Turnpike Waldwick NJ 7463 T: 201-568-9798 sales@carterpump.com | www.carterpump.com

CB AUTOMATION INC. 2 – 110 Snow Blvd Vaughan ON L4K 4B8 T: 905-760-9399  F: 905-760-9319 sales@cbautomation.com www.cbautomation.com Contact: Larry McLean Representing Process Control and Automation products for over 35 years. Our product solutions include flow, pressure, temperature, level, density, heat trace, chemical feed systems, control, open channel level and flow, signal processing, I&I micro detectors and in-line flow meters for partially filled pipe. SCADA systems, software and HMI solutions. Solutions also include wireless (WI-Fi, Radio and Cellular), battery powered and solar options. CB Automation Inc. provides product support, engineering services, customer training, field services and commissioning. CB SHIELD 39 Uplands Dr Brantford ON N3R 6H5 T: 519-212-9161 info@cbshield.com | www.cbshield.com See full listing on page 96.

CHEMLINE PLASTICS LTD. 55 Guardsman Rd Thornhill ON L3T 6L2 T: 800-930-2436  F: 905-889-8553 request@chemline.com www.chemline.com Contact: Eric Benoit, Vice President of Sales Chemline offers a complete line of corrosion resistant solid thermoplastic valves and controls, piping and tubing systems. The ChemFlare™ system offers a leak free solution for chemical systems in waste and water treatment plants. Included are valves, fittings and tubing, either single or double contained. ChemFlare™ has had application success on sodium hypochlorite and other chemicals. Other environmental applications are landfill leachate and gas collection systems, soil remediation and air monitoring. Many products are NSF/ANSI Standard 61 certified for drinking water.

CLARO ENVIRONMENTAL TECHNOLOGIES & EQUIPMENT 4721 Louis-B.-Mayer Laval QC H7P 6G5 T: 514-562-4575 info@claroglobal.com | www.claroglobal.com Contact: Peter Lipert Jr. Complete system design/equipment: screening and grit removal (fine screens, septage stations, washpresses, baggers, aerated grit extraction screws, classifiers, vortex); anaerobic digestion systems (Big bubble Gun™ gas mixers, Cannon retrofits, modular sludge heat exchangers, heat recovery, biogas compressors); solids handling (shaftless spiral conveyors, automated outloading, live-bottoms, challenging applications); 30+ years experience, OEM. CLEAN HARBORS CANADA, INC. 4090 Telfer Rd R.R. #1 Corunna ON N0N 1G0 T: 519-864-3836  F: 519-864-3866 parker.michaele@cleanharbors.com www.cleanharbors.com Contact: Michael Parker CLEAN MANAGEMENT ENVIRONMENTAL GROUP, INC. T: 866-908-7503  F: 843-538-7845 www.cleanmanagement.com

CD GENOMICS 45 – 1 Ramsey Rd Shirley NY 11967 T: 631-619-7922 contact@cd-genomics.com

CLEARTECH 1500 Quebec Ave Saskatoon SK S7K 1V7 T: 800-387-7503 www.cleartech.ca

CITTO CORPORATION 303 – 170 The Donway West Toronto ON M3C 2P6 T: 437-886-5333 www.citto.ca

CLOW CANADA 1757 Burlington St E Hamilton ON L8H 3L5 T: 800-561-9931  F: 905-547-0113 www.clowcanada.com Contact: Ray Miller, Sales COMPLETEWATERS T: 905-818-5272

82  | February 2020

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COMPLIANCE365 INC. 156 Bullock Dr Markham ON L3P 1W2 www.compliance365.com Contact: Sipo Ching

COMPREVAC INC. 3067 Jarrow Ave Mississauga ON L4X 2C6 T: 905-624-4096  F: 905-624-4099 sales@comprevac.com | www.comprevac.com Contact: Jonathan Snook CompreVac is your one stop shop for quality compressed air and vacuum products and services since 1975. Elmo Rietschle vacuum pumps, blowers and systems; we design & build water priming systems. Atlas Copco rotary screw compressors & dryers; Keltec quality compressed air filters, separators and coalescers; Summit compressor lubricants; Thomas and Welch vacuum pumps; air & vacuum receivers; Champion & Techquip reciprocating compressors. Vacuum pump priming systems. Accessories - inline filter housings, pressure switches, vacuum gauges, check valves, auto drains and much more. CON CAST PIPE 299 Brock Rd S Puslinch ON N0B 2J0 T: 519-763-8655  F: 519-763-1956 jspencer@concastpipe.com www.concastpipe.com Contact: Jason Spencer CONTECH ENGINEERED SOLUTIONS 9025 Centre Point Dr Suite 400 West Chester OH 45069 T: 800-338-1122 info@conteches.com | www.conteches.com CONTINENTAL CARBON GROUP 1100 South Service Rd Suite 321 Stoney Creek ON L8E 0C5 T: 905-643-7615  F: 905-643-5403 sales@continental-carbon.com www.continental-carbon.com CORIX WATER PRODUCTS LIMITED PARTNERSHIP 19900 – 84 Ave Langley BC V2Y 3C2 T: 1-800-667-2445 info.waterproducts@corix.com www.corixwaterproducts.com

corrugated

steel pipe institute

CORRUGATED STEEL PIPE INSTITUTE 2A – 652 Bishop St N Cambridge ON N3H 4V6 T: 519-650-8080  F: 519-650-8081 rjwilcock@cspi.ca | www.cspi.ca Contact: Raymond J. Wilcock At the CSPI, we are the information resource for water and soil management. CSPI continues to innovate in the areas of new materials which have

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GUIDE TO ENVIRONMENTAL EQUIPMENT & SERVICE SUPPLIERS successfully addressed durability and sustainability issues for culverts, storm sewers and buried bridges. Research with DOTs have resulted in new coated bolts, field repair methods, and new rehabilitation techniques.  With budget constraints and municipalities looking for alternatives, savings, and lowering their  environmental footprints, CSP products provide that and more.  For information on what we are doing on climate change, please contact CSPI at rjwilcock@cspi.ca.

CRANE PUMPS & SYSTEMS CANADA 83 West Dr Brampton ON L6T 2J6 T: 905-457-6223  F: 905-457-2650 cramage@cranepumps.com www.cranepumps.com Contact: Craig Ramage Crane Pumps & Systems is a world-class manufacturer of pumps, accessories, and services. CP&S provides solutions for Municipal, Commercial, Industrial, Residential and Military market segments. CP&S is a recognized leader in meeting the ever changing needs of today’s worldwide marketplace. Crane products include– Brands-BARNES®, CROWN®, PROSSER®, BURKS®, DEMING®, WEINMAN® along with EcoTrans Pressure sewer systems. Submersible Solids handling pumps including XP versions, SITHE and BLADE along with split case pumps vertical and horizontally installed.

DENSO NORTH AMERICA INC. 12 – 90 Ironside Cr Toronto ON M1X 1M3 T: 416-291-3435  F: 416-291-0898 sales@densona-ca.com | www.densona.com Contact: Blair Slessor, General Manager Denso – the global leader in corrosion prevention for over 130 years. Denso offers the highest quality, most economical, long-term corrosion protection for all above and below ground metal surfaces. The Denso petrolatum tape system consists of Denso paste as an initial corrosion inhibitor; Denso mastic fillers to eliminate localized corrosion cells; Denso petrolatum tape as the long-term corrosion barrier.

DIRECTRIK INC. 405 Industrial Dr Units 18 & 19 Milton ON L9T 5B1 T: 905-565-9606  F: 905-565-1358 sales@directrik.com | www.directrik.com Contact: Josie Morales Directrik Inc. has successfully designed, supplied and serviced water and wastewater equipment in municipal, industrial and food processing industries. With thousands of installations across Ontario from pumps, heat exchangers, gas compressors, screw conveyors, valves, Sludge and Scum Collection System and more – our relationship with you is the measure of our success! DN TANKS PO Box 696 El Cajon CA 92022-0696 T: 619-440-8181  F: 619-440-8653 info@dntanks.com | www.dntanks.com

INTERPROVINCIAL CORROSION CONTROL Leaders in the Cathodic Protection Industry…Since 1957 CORROSION CONTROL PRODUCTS Burlington, Ontario Canada Regional Offices: Montreal, Calgary Lewiston, New York, USA

Tel: 905-634-7751 • Fax: 905-333-4313 www.Rustrol.com

CTP AMERICA 4630 Delaware St Delaware OH 43015 T: 740-602-1159 www.ctp-us.com CUSTOM SPRING CORPORATION 1249 Kamato Rd Mississauga ON L4W 2M2 T: 890-562-51504 customspringcanada@gmail.com www.customspring.ca DAVIS CONTROLS LTD. 2200 Bristol Circle Oakville ON L6H 5R3 T: 905-829-2000  F: 905-829-2630 www.daviscontrols.com DECAST 8807 County Rd 56 Utopia ON L0M 1T0 T: 705-734-2892 x2250  F: 705-734-2920 www.decastltd.com DELTA REMEDIATION 53015 Highway 60 Spruce Grove AB T7X 6B4 T: 250-575-2001 rlacey@deltaremediation.com www.deltaremediation.com Contact: Robert Lacey DEWIND ONE PASS TRENCHING LLC 9150 96th Ave Zeeland MI 49464 T: 616-6875-7580  F: 616-875-7334 steve@dewindonepass.com Contact: Steve McCullick DEZURIK/APCO/HILTON 250 Riverside Ave N Sartell MN 56377 T: 320-259-2000 info@dezurik.com

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GUIDE TO ENVIRONMENTAL EQUIPMENT & SERVICE SUPPLIERS

DQE 8730 Commerce Park Place Indianapolis IN 46268 T: 800-355-4628 info@dqeready.com | www.dqeready.com

DRAIN-ALL LTD. 2285 Hawthorne Rd Ottawa ON K1G 4G2 T: 613-739-1070 stephen.huza@drainall.com www.drainall.com Contact: Stephen Huza, Manager Sales & Business Development Drain-All Ltd. environmental service company, providing industrial wet/dry vacuuming, high pressure blasting and vacuum excavation. Emergency spill response and First Responder containment, removal and remediation; for truck rollovers or train derailments. Hazardous waste (liquid or solid) removal. Flush and camera-sewers-process and leachate lines. Confined space entry and cleaning. DUPERON CORPORATION 1200 Leon Scott Court Saginaw MI 48601 T: 800-383-8479 www.duperon.com Contact: Steve Aiken DWG PROCESS SUPPLY LTD. 44 Riel Dr Bay # 110 St Albert AB T8N 3Z8 T: 780-460-8433  F: 780-418-2227 www.dwg-process-supply.com E.R.E. INC. 8605 rue Champ D’eau Montreal QC H1P 3B8 T: 1-888-287-3732  F: 514-326-8961 sales@ereinc.com www.ereinc.com Contact: Mary Baccari E.RIS 650 Woodlawn Rd W Block C Unit 4 Guelph ON N1K 1B8 T: 519-763-7774 www.yourinformationsmarter.com ECHELON ENVIRONMENTAL 26 – 505 Hood Rd Markham ON L3R 5V6 T: 905-948-0000  F: 905-948-0577 www.echelonenvironmental.ca Contact: Rob Rainford, General Manager

ENGINEERED PUMP SYSTEMS LTD. 1635 Industrial Ave Port Coquitlam BC V3C 6M9 T: 604-552-7900 www.engineeredpump.com EHS CANADA INC. 2964 South Grimbsy Rd 18 Smithville ON L0R 2A0 T: 905-643-3343  F: 905-643-3211 info@ehscanada.ca | www.ehscanada.ca Contact: Bill Abbott, Manager EHS Canada Inc. provides industry leading and cost-effective industrial standby rescue and occupational health and safety training services. Our professional confined space and high angle rescue teams are second to none. Comprised of highly trained and experienced rescue personnel, EHS Canada Inc. can supply your company with fully equipped and professional rescue teams.

ELEMENTAL CONTROLS LIMITED 3230 Wharton Way Mississauga ON L4X 2C1 T: 866-544-9974  F: 905-282-9519 sales@elementalcontrols.com www.elementalcontrols.com Contact: Keith Grattan CANADIAN SALES AND RENTALS OF XRF ANALYZERS FOR 20+ YRS. Elemental Controls provides portable and benchtop analyzers from Thermo Scientific for lead paint, heavy metals in soil for remediation, and dust and air filters for occupational hygiene. Our new x-ray tube based XRF analyzers are required for lower lead levels found in new lead paint legislation. We also provide radiation protection systems from Radcomm Systems, which include both portable gamma detection and spectrometers for industrial and medical isotopes, vehicle and area radiation monitors for site and personnel protection. We provide the technical expertise your company requires, in both our rental and purchase or lease programs. EMERGENCY RESPONSE ASSISTANCE CANADA (ERAC) 1100 – 744-4th Ave SW Calgary, AB T2P 3T4 T: 587-349-5880 info@erac.org | www.erac.org Contact: Don Merriam

ECO CANADA 400 – 105 12 Avenue SE Calgary AB T2G 1A1 T: 403-233-0748 training@eco.ca ECOFLUID SYSTEMS INC. 1800 – 200 Granville St Vancouver BC V6C 1S4 T: 604-662-4544  F: 604-662-4564 www.ecofluid.com ELMRIDGE ENGINEERING INC. 15 Allaura Blvd Aurora ON L4G 3N2 T: 905-726-7730  F: 905-726-2500 sales@elmridgejetapparatus.com www.elmridgejetapparatus.com

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ENDRESS+HAUSER CANADA LTD. 1075 Sutton Dr Burlington ON L7L 5Z8 T: 905-681-9272  F: 905-681-9444 info@ca.endress.com | www.ca.endress.com Endress+Hauser – a global provider of complete solutions for industrial measurement technology and automation. The company supplies and services instruments and systems which acquire, transmit, control and record process information. Products include sensors, devices, systems, solutions and services for level, flow, pressure, temperature measurement and liquid analysis.

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ENV TREATMENT SYSTEMS INC. 70 High St Etobicoke ON M8Y 3N9 T: 416-503-7639  F: 416-503-8925 envinc@interlog.com | www.env-inc.ca Contact: Edward M. Pikovnik, Sales Manager; Lee Williams, Project Management Aeration (aspirating, submerged turbine, fine bubble); polymer feeders; hi-speed turbo blowers; clarifiers (rectangular/circular); U.V. disinfection; belt presses, centrifuges; SBR package plants; biofilters; plunger pumps; FRP covers; continuous sand and disk filters; ozonation systems; access hatches; Archimedes screw pumps; digester covers and mixers; PD blowers; traveling water screens; RBCs and package plants; oil grit separators, storm chambers, membrane dome and tube, fine and coarse aeration sytems; rectangular clarifiers; hosepumps; GAC odour control; flumes; bar screens, fine plate or perforated sceens; shaftless compactors and conveyors; scum troughs and submerged grit screws; septage receiving stations; vortex grit removal. ENVIRO HAZMAT EMERGENCY RESPONSE INC. Township Rd 280 Beiseker AB T0M 0G0 T: 403-947-2245  F: 1-888-799-5390 info@envirohazmat.ca | www.envirohazmat.ca ENVIRO-ANALYTICAL 286 Mask Island Dr Barry’s Bay ON K0J 1B0 T: 613-756-0101  F: 613-756-0909 info@enviro-analytical.com www.enviro-analytical.com Contact: Nigel Newing ENVIRONMENTAL DYNAMICS INTERNATIONAL 5601 Paris Rd Columbus MO 65202 T: 573-474-9456 ENVIRONMENTAL RENTAL SERVICE 99 Ellis Dr Barrie ON L4N 8Z3 T: 705-720-7368 www.ersvacrent.com

ENVIRONMENTAL SCIENCE & ENGINEERING MAGAZINE 220 Industrial Pkwy S Unit 30 Aurora ON L4G 3V6 T: 905-727-4666  F: 905-841-7271 steve@esemag.com | www.esemag.com Contact: Steve Davey, Publisher Environmental Science & Engineering Magazine (ES&E) has covered Canada’s multi-billion dollar a year water, wastewater and environmental protection sectors since 1988. In both print and online, ES&E is vitally important to some 16,000 readers and thousands of web visitors responsible for the design, construction and operation

Environmental Science & Engineering Magazine


SUPPLIERS

GUIDE TO ENVIRONMENTAL EQUIPMENT & SERVICE SUPPLIERS of water treatment and distribution systems, sewerage systems, and industrial and hazardous waste management systems. ES&E also organizes the CANECT Environmental Compliance and Due Diligence Training Event.

FILAMAT COMPOSITES INC. 880 Rangeview Rd Mississauga ON L5E 1G9 T: 905-891-3993 x6527 larry.pascucci@filamat.com | www.filamat.com Contact: Larry Pascucci FLOMATIC VALVES 15 Pruyns Island Dr Glens Falls NY 12801 T: 518-761-9797  F: 518-761-9798 www.flomatic.com

ERIS – ENVIRONMENTAL RISK INFORMATION SERVICES 38 Lesmill Rd Unit 2 Toronto ON M3B 2T5 T: 416-510-5243 info@erisinfo.com | www.erisinfo.com Contact: Brayden Ford, Director of Sales ERIS is a leading provider of environmental risk data and research for properties across North America including Canada, the US and Mexico. Our variety of data, coupled with our innovative tools like ERIS XPLORER and ERIS DIRECT, make Phase I ESAs and environmental risk research easier than ever. Database reports, physical setting reports, historical property information including fire insurance maps, aerial photos, topographic maps, city directories, land title searches are used for commercial real estate due diligence and environmental planning. EV FERN LTD. 1260 Terwillegar Ave Unit 5 Oshawa ON L1J 7A5 T: 905-404-0123 www.evfern.com

FLOTTWEG SEPARATION TECHNOLOGY CANADA, ULC 503 Carlingview Drive
Etobicoke ON M9W 5H2 T: 647-947-7979 x101  TF: 888-718-6885 F: 905-946-8971 fscriver@flottweg.net | www.flottweg.com Contact: Frank Scriver, Environmental Industry Manager Flottweg Separation Technology is a leading manufacturer of high solids thickening and dewatering centrifuges. Flottweg is known for high quality manufacturing, innovative features, stateof-the-art efficient drive systems and unparalleled customer service. Flottweg’s C Series decanter centrifuge is designed specifically for cost effective thickening and dewatering of municipal water and wastewater residuals and biosolids.

EVOQUA WATER TECHNOLOGIES 500 Horizon Dr Suite 503 Chalfont PA 18914 T: 616-499-6405  F: 215-712-0280 www.evoqua.com

FLOVAL EQUIPMENT LTD. 250 Rayette Rd Unit 1 Concord ON L4K 2G6 F: 905-669-4905 www.floval.com

FABRICATED PLASTICS LIMITED, A DENALI COMPANY 2175 Teston Rd Maple ON L6A 1R3 T: 905-832-8161 x649  F: 905-832-2111 glandry@fabricatedplastics.com www.fabricatedplastics.com Contact: Greg Landry, V.P. Sales

FLOW-TRONIC SA Chemin des Tilleuls 32 Welkenraedt ND 4840 T: 867-445-6432 v.favre@flow-tronic.com | www.flow-tronic.com Contact: Vincent Favre FLUID METERING, INC. 5 Aerial Way Suite 500 Syosset NY 11791 T: 516-922-6050  F: 516-624-8261 www.fmipump.com

FCI – FLUID COMPONENTS INTERNATIONAL 1755 La Costa Meadows Dr San Marcos CA 92078 T: 760-744-6950  F: 760-736-6250 eflow@fluidcomponents.com www.fluidcomponents.com Contact: Mary Pund, Marketing Communications Manager FCI is a world leading manufacturer of air/gas flow meters, flow switches and level switches used in industrial and commercial applications. Rugged designs, international approvals and certifications, FCI products are ideal for industry’s most demanding processes and environmental measurements. FCI products are calibrated in our NIST traceable flow laboratory to your exact specifications and conditions. Our products are installed and supported worldwide. FESTO INC. 5300 Explorer Dr Mississauga ON L4W 5G4 T: 905-614-2762 www.festo.ca

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FLUIDYNE CORPORATION Suite D – 5436 Nordic Dr Cedar Falls IA 50613 T: 319-266-9967  F: 319-227-6034 fluidyne@fluidynecorp.com www.fluidynecorp.com FOCUS ENVIRONMENTAL GROUP INC. 3 – 35 Stone Church Rd Suite 369 Ancaster ON L9K 1S5 T: 905-690-7638  F: 905-690-7639 focusenv@on.aibn.com Contact: Robert Freeman, President FORD HALL COMPANY INC. 301 Lower Hines Creek Rd Richmond KY 40475 T: 859-624-1077  F: 859-624-3320 www.fordhall.com FORTERRA PIPE 2099 Roseville Rd Cambridge ON N1R 5S3 T: 226-220-3943 www.forterrabp.com

FORCE FLOW 2430 Stanwell Dr Concord CA 94520 T: 925-686-6700  F: 925-686-6713 www.forceflowscales.com Contact: Christina Rumbel, Marketing Coordinator Force Flow is the leading manufacturer of scales for monitoring water treatment chemicals. Accurately track feed rate, amount used and remaining amount. See real-time chemical status locally at the vessel and remotely from your PLC or SCADA. Digital and hydraulic systems for day tanks, bulk storage tanks, volumetric feeders, ton containers and 150 lb cylinders. Automatic on-site chemical dilution systems, automatic dry tank refill systems. G.E.T. INDUSTRIES INC. 33 Cedar Dr Caledon ON L7K 1H5 T: 905-451-9900  F: 519-927-9315 get@grindhog.com | www.grindhog.com GARDNER DENVER 1800 Gardner Expressway Quincy IL 62305 T: 217-222-5400 www.gardnerdenver.com GASMET TECHNOLOGIES INC. 956A The Queensway Toronto ON M8Z 1P5 www.gasmet.com

GENEQ INC. 10700 Secant St Montréal QC H1J 1S5 T: 514-354-2511  F: 514-354-6948 info@geneq.com | www.geneq.com Contact: René Parisé, President GENEQ has been a Canadian Distributor of Environmental Instruments since 1972. We offer a wide range of instruments for sampling, monitoring and measuring air, water and soil. Geneq also sells High Precision GPS/GNSS Receivers and General Laboratory products. If you are looking for Weather Stations or Water Quality Instrumentation and much more, GENEQ is the place to go. Also located in Vaughan, Ontario, see listing below. GENEQ INC. – ONTARIO LOCATION 910 Rowntree Dairy Rd Unit 15 Vaughan ON L4L 5W5 T: 365-527-2508  TF: 1-855-527-5808 F: 365-527-2509 sales@geneq.com | www.geneq.com GEOENVIRONMENT TECHNOLOGIES 103 E Lemon Ave Suite 210 Monrovia CA 91016 T: 626-305-0400 inquiries@geoenvtech.com www.geoenvtech.com GEORISK ENVIRONMENTAL SOLUTIONS 31 Haxby Pvt Ottawa ON K1T 3B5 www.georiskes.com

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February 2020  |  85


SUPPLIERS

GUIDE TO ENVIRONMENTAL EQUIPMENT & SERVICE SUPPLIERS

GOLDEN ENVIRONMENTAL SERVICES INC. 2207 Simcoe Rd 93 Barrie ON L4M 4Y8 T: 705-726-3921  F: 705-721-1599 ron@goldenenviro.ca | www.goldenenviro.ca Contact: Ron Trivett, President Remediation of contaminated soil and groundwater of various contaminants. Provide mobile treatment units for water remediation (various sizes & contaminates). Provide multiphase extraction systems & high resolution site characterization tools. Provide mould and asbestos remediation services. High resolution site characterization (HRSC) tools. UVOST® – Petroleum LNAPL screening, TarGOST® – Coaltar and creosote screening, DyeLIF™ – Chlorinated DNAPL screening, Membrane interface probe (MIP) – VOC screening, Hydraulic profiling tool (HPT) – Hydrostratigraphic profiling. GOOD HARBOUR LABORATORIES 2596 Dunwin Dr Mississauga ON L5L 1J5 T: 905-696-7276 www.goodharbourlabs.com GORMAN-RUPP CANADA 70 Burwell Rd St Thomas ON N5P 3R7 T: 519-631-2870  F: 519-631-4624 rfurneaux@grcanada.com Contact: Robert Furneaux

GOSLYN ENVIRONMENTAL GREASE INTERCEPTORS CANADA 4 – 54 Viceroy Rd Doors 22-26 Concord ON L4K 2L8 T: 905-841-0990  F: 905-248-5222 angelo@goslyn.ca | www.goslyn.ca Contact: Angelo Mikrogiannakis Goslyn GRD Grease Interceptor delivers pollution prevention & wastewater sustainability for the foodservice sector. Municipalities are strengthening their position on wastewater effluent discharge limits. Foodservice operators must meet compliance or face paying fines and surcharges. The innovative Goslyn surpasses compliance; it delivers the highest efficiencies in grease & waste removal. Rated the best “GREASE TRAP SYSTEM” by foodservice operators! Easy to maintain, delivers significant cost savings. Specify Goslyn for your clients. NSF Certified CSA B481.

GRANDE WATER MANAGEMENT SYSTEMS 3950 Montee Masson Laval QC H7B 1C4 T: 855-315-1115  F: 450-315-1355 info@grandeinc.com | www.grandeinc.com Contact: Francis Grande Grande Water Management Systems specializes in stormwater management, wastewater management and CSO abatement. Our products

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have been used in over 6000 installations around the world. We provide engineered systems for: tank and sewer flushing, overflow control, overflow screening, flow regulation and flood protection. Equipment types: tank & sewer flushing (tipping bucket, flushing gate), overflow control (bending weir), overflow screening (passive & active overflow screen), flow regulation (passive & active flow regulator), flood protection (flap), floatables retention (baffle), etc.

GREATARIO ENGINEERED STORAGE SYSTEMS PO Box 399 Innerkip ON N0J 1M0 T: 519-469-8169 / 866-299-3009  F: 519-469-8157 sales@greatario.com | www.greatario.com Contact: Scott Burn GREATARIO Engineered Storage Systems is the authorized CST Storage and CST Covers dealer for liquid storage and cover solutions for eastern Canada. We provide the complete line of Aquastore glass-fused-to-steel tanks, HydroTec tanks, aluminum covers and Hydraulic Mixing Systems for the municipal and industrial water and wastewater market. We offer many types of covers including aluminum domes and flat covers, glass-fused-to-steel covers, flexible membranes and floating covers. Greatario Services inspects, services and cleans all reservoir types. GREYLINE INSTRUMENTS INC. 16456 Sixsmith Dr Long Sault ON K0C 1P0 T: 613-938-8956 info@greyline.com | www.greyline.com Contact: Marlene Quenneville

GRUNDFOS CANADA INC. 2941 Brighton Rd Oakville ON L6H 6C9 T: 905-829-9533  F: 905-829-9512 mpresement@grundfos.com www.grundfos.com Contact: Michael Presement, Business Development Manager Founded in 1945, Grundfos, one of the world’s largest manufacturers of pumps and pumping systems, focuses on innovation and sustainability. Serving a wide variety of pumping applications, Grundfos’ Water utility products cover the complete water cycle from raw water supply, water treatment, water distribution, wastewater transport and wastewater treatment in municipal and industrial processes. Supported by a global network of sales and service partners, Grundfos meets the needs of all your pumping requirements.

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H2FLOW EQUIPMENT INC. 580 Oster Lane Vaughan ON L4K 2C1 T: 905-660-9775  F: 905-660-9744 info@h2flow.com | www.h2flow.com Contact: Michael Albanese, President H2Flow provides water & wastewater treatment equipment for industrial & municipal applications with start-up assistance, service, and spare parts. Equipment includes: grinders, screens, conveyors, grit removal, aerators, diffusers, blowers, clarifiers, sludge presses, centrifuges, digesters, mixers, thickeners, tertiary treatment, gravity and pressure filters, package plants, UV disinfection, drinking water plants, filters, underdrains, strainers, dissolved air floatation (DAFs), CSO, odour control biofilters, oil/water separators. Specialized in biological treatment with SBR, MBBR and MBRs. Containerized and remote treatment plants.

H2FLOW TANKS & SYSTEMS INC. 580 Oster Lane Vaughan ON L4K 2C1 T: 905-660-0649  F: 905-660-9744 tanks@h2flow.com | www.h2flowtanks.com Contact: Darrin Hopper, General Manager Sales and installation of PERMASTORE GlassFused-to-Steel tanks, typically used as anaerobic digesters, water tanks, water towers for wastewater, sludge & leachate storage, clarifiers. Custom engineered tanks with Published Quality Standards and Zero Defects. Stainless steel or powder coated steel material also available. Tank covers in aluminum, stainless & glass fused to steel. Complete treatment systems such as SBR, MBBR, MBRs, mixing and aeration systems integrated within tanks. Mixers to prevent ice formation in cold weather. HACH SALES & SERVICE CANADA LTD. 3020 Gore Rd London ON N5V 4T7 T: 800-665-7635 HALLIDAY PRODUCTS INC. 6401 Edgewater Dr Orlando FL 32810 T: 800-298-1027 x105 www.hallidayproducts.com

HALOGEN VALVE SYSTEMS 1342 Bell Avenue Suite 3C Tustin CA 92780 T: 925-686-6700  F: 925-686-6713 info@halogenvalve.com | www.halogenvalve.com Contact: Christina Rumbel Emergency valve shutoff systems for chlorine, SO₂, ammonia & other gases. Halogen Valve Systems is the leading manufacturer of electron-

Environmental Science & Engineering Magazine


SUPPLIERS

GUIDE TO ENVIRONMENTAL EQUIPMENT & SERVICE SUPPLIERS ically actuated emergency valve shutoff systems for chlorine and sulfur dioxide. Emergency chlorine valve shutoff systems from Halogen provide your plant with a critical extra measure of safety when feeding chlorine from cylinders or ton containers. Systems instantly stop a dangerous leak and confirm that valves were torqued closed to Chlorine Institute recommended standards.

HANNA INSTRUMENTS CANADA INC. 3156 Industrial Laval QC H7L 4P7 www.hannacan.com

HARMSCO FILTRATION PRODUCTS 7169 49th Terrace N Riviera Beach FL 33407 T: 800-327-3248 arizopatron@harmsco.com | www.harmsco.com Contact: Alfredo Rizo-Patron Established in 1958, Harmsco Filtration Products manufactures innovative and cost-effective solutions for liquid filtration challenges. With 3 divisions and a global footprint, our Made In America, Family Owned Business provides energy savings, proven products and enduring value. As a pioneer in the filtration industry, Harmsco holds numerous U.S. Patents in the filtration industry offering the largest selection available of NSF certified filter housings and cartridges while maintaining our focus and commitment on quality and value for the end user. HAYWARD GORDON ULC 5 Brigden Gate Halton Hills ON L7G 0A3 T: 905-693-8595  F: 905-693-1452 info@haywardgordon.com

HERON INSTRUMENTS INC. 447 Moxley Rd Dundas ON L9H 5E2 T: 905-628-4999 info@heroninstruments.com www.heroninstruments.com Contact: Terri Kernaghan, Sales Manager Heron Instruments is dedicated to designing and manufacturing the finest groundwater monitoring systems for groundwater professionals and rural property owners worldwide. We have developed a broad range of water level measuring instruments to detect and continually monitor changes in water levels. Heron Instruments’ product line includes static and falling head water level meters, well casing indicators, well depth indicators, groundwater data loggers, remote monitoring systems, oil/water interface meters, conductivity meters, temperature meters, tag lines and downhole inspection cameras. HM PIPE PRODUCTS INC. 129 Exeter Rd London ON N6L 1A4 T: 519-652-5822 Contact: Rick Henry

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HOSKIN SCIENTIFIC LTD. 3735 Myrtle St Burnaby BC V5C 4E7 T: 604-872-7894 / 800-663-3023  F: 604-872-0281 salesv@hoskin.ca | www.hoskin.ca Contact: Shawn Ternan For over 70 years, Hoskin Scientific has been a supplier of testing and monitoring instrumentation to the Canadian market. We have offices in Vancouver, Burlington, and Montreal. Our Environmental Department provides solutions for monitoring and sampling biological and chemical parameters in the environment. Specific areas include: water quality, water quantity, soil moisture, plant science, weather stations, indoor air quality, aquatic sampling, and oceanography.

HRS HEAT EXCHANGERS 840 Kennesaw Ave NW B-1 Marietta Atlanta GA 30060 T: 770-726-3540 info@us.hrs-he.com www.hrs-heatexchangers.com/us Contact: Cameron Creech, General Manager Located in Atlanta, GA, HRS Heat Exchangers is part of the HRS Group which operates at the forefront of thermal technology, offering innovative heat transfer solutions worldwide across a diverse range of industries. With approaching 40 years’ experience specializing in the design and manufacture of an extensive range of turnkey systems and components, incorporating our corrugated tubular and scraped surface heat exchanger technology, HRS units are compliant with global design and industry standards.

HUBER TECHNOLOGY, INC. 9735 Northcross Center Crt Suite A Huntersville NC 28078 T: 704-949-1010  F: 704-949-1020 marketing@hhusa.net www.huber-technology.com Contact: Sales Department Huber serves the municipal and industrial wastewater treatment market with high quality liquid-solid separation technology. Huber Technology offers the complete chain of screening, grit and sludge handling processes. The company is an original source manufacturer specializing in stainless steel fabrication of technologies for water and wastewater with proven experience and expertise with over 40,000 installations worldwide. HYDRATECH ENGINEERED PRODUCTS, LLC. 10448 Chester Rd Cincinnati OH 45215 T: 513-827-9169  F: 513-827-9171 www.hydratechllc.com

HYDRO INTERNATIONAL 2925 NE Aloclek Suite 140 Hillsboro OR 97124 T: 866-615-8130  F: 503-615-2906 questions@hydro-int.com | www.hydro-int.com Contact: Ben Paetel Hydro International supplies environmentally sustainable products that control and treat wastewater, stormwater, and combined sewer overflows, using advanced vortex and complementary technologies. Hydro International is the leading provider of municipal grit removal and CSO/wet weather management products to control flows within collection systems and wastewater treatment plants throughout Canada. Wastewater Products: HeadCell, TeaCup, SlurryCup, Hydro GritCleanse, Grit Snail, SpiraSnail, Hydro-Sludge-Screen, Hydro MicroScreen, and Grit King. Wet-Weather / CSO Products: Storm King, Hydro-Brake, Hydro-Brake Drop and a number of wet weather/CSO screens.

HYDROFLOW CANADA #4 – 3455 Harvester Rd Burlington ON L7N 3P2 T: 289-337-9390  F: 289-337-9390 info@hydroflowcanada.com www.hydroflowcanada.com Contact: Bill Carroll HydroFLOW Canada distributes Hydropath Technologies UK Patent line of Electronic Water Conditioners. 2017 WEF Innovative Technology Award Winner. The system is proven to eliminate/reduce LIMESCALE, STRUVITE,  BIOFILM, and BACTERIA in Cooling Towers, Boilers, Steam Boilers, Heat Exchangers, Humidifiers, Water Heaters, WWTPs, WWRFs, Swimming Pools, Ice Makers, Dishwashers, Steam Ovens, and numerous agricultural applications. The system is non-intrusive, maintenance free, energy efficient, chemical free, environmentally friendly and has  low power requirements. 25 years of proven, verified successes worldwide. Decrease input energy cost due to elimination of limescale insulation on heat transfer surfaces, spray nozzles, and mechanical systems. HYDROVISION GMBH Gewerbestrasse 61a Kaufbeuren Bayern 87600 T: +49 8341 9662180  F: +49 8341 9666030 flowmeter@hydrovision.de www.hydrovision.de ICON PROCESS CONTROLS T: 905-469-9283  F: 905-469-9159 sales@iconprocon.com | www.iconprocon.com IDEXX WATER One Idexx Dr Westbrook ME 4092 T: 1-800-321-0207 www.ca.idexx.com/en-ca/water

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February 2020  |  87


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GUIDE TO ENVIRONMENTAL EQUIPMENT & SERVICE SUPPLIERS JURASSIC ACTIVATED CARBON INC. 161 Kingslake Rd Toronto ON M2J 3G4 T: 416-297-8876 rodgerlu88@gmail.com | www.jurassiccarbon.com Contact: Rodger Lu

IMBRIUM SYSTEMS INC. 407 Fairview Dr Whitby ON L1N 3A9 T: 416-960-9900 info@imbriumsystems.com www.imbriumsystems.com Contact: Marc LeLong Imbrium® Systems is an engineered stormwater treatment company that designs and manufactures stormwater treatment solutions that protect water resources from harmful pollutants. By developing technologies to address the long-term impact of urban runoff, Imbrium ensures our clients’ projects are compliant with government water quality regulations. Imbrium is the only stormwater technology company in Canada to offer four stormwater treatment products with the ETV verification, including the Stormceptor® EF, Stormceptor® EFO, the Jellyfish® Filter, and the Filterra® Bioretention system. INDACHEM INC. 4129 Harvester Rd Burlington ON L7L 5M3 T: 905-637-8446 nick.pecoskie@indachem.com www.indachem.com Contact: Nicholas Pecoskie, GM & Sales Manager INDUSCONTROL INC. 151 Superior Blvd Mississauga ON L5T 2L1 T: 905-564-0070  F: 866-737-6385 info@indus-control.com | www.indus-control.com Contact: Vaibhav Arora INDUSTRIAL WASTE CONTROL LIMITED 234 Clements Rd West Unit 1&2 Ajax ON L1S 3K5 T: 905-427-1193  F: 905-427-1461 www.iwcl.ca INDUSTRIALZONE 5201 Mitchelldale St Suite A8 Houston TX 77092 T: 713-395-1508 support@industrialzone.com www.industrialzone.com INGU SOLUTIONS 209 8 Avenue SW Suite 402 Calgary AB T2P 1B8 T: 403-613-2510 john@ingu.com | www.ingu.com Contact: John van Pol INOVAIR 14801 W 114th Terrace Lenexa KS 66215 T: 913-469-7244 sales@inovair.com | www.inovair.com INSITU CONTRACTORS INC. 48 Dawson Rd Guelph ON N1H 5V1 T: 519-763-0700  F: 519-763-6684 general@insitucontractors.com www.insitucontractors.com Contact: Harry Oussoren INTERPROVINCIAL CORROSION CONTROL COMPANY LTD. 930 Sheldon Court Burlington ON L7L 5K6 T: 905-634-7751  F: 905-333-4313 contact@rustrol.com | www.rustrol.com IPEC – JWC ENVIRONMENTAL 2889 Norland Ave Burnaby BC V5B 3A9 T: 604-291-7150  F: 604-291-7190 sales@ipec.ca

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INTERNATIONAL WATER SUPPLY LTD. 342 Bayview Dr PO Box 310 Barrie ON L4M 4T5 T: 705-733-0111  F: 705-721-0138 iws@iws.ca | www.iws.ca Contact: John A Harris, P. Eng. President Groundwater Engineering and Hydrogeologic services which include: Well design, large diameter, high capacity well construction and testing. Pump Application Engineering, supply, installation and maintenance of line shaft and submersible turbine pumps. Performance testing of wells and pumps, well video inspection. Well maintenance rehabilitation and re-development programs.

JWC ENVIRONMENTAL 2850 Red Hill Ave Santa Ana CA 92705 T: 949-833-3888 kaileyh@jwce.com | www.jwce.com Contact: Kailey Habermann KAESER COMPRESSORS CANADA INC. 3760 La Verendrye St Boisbriand QC J7H 1R5 T: 450-971-1414 line.paquin@kaeser.com | www.ca.kaeser.com Contact: Line Paquin KEE SAFETY LTD. 40 North Rivermede Rd Concord ON L4K 2H3 T: 877-505 5003 x440  F: 905-669 4347 www.keesafety.ca KELLER AMERICA 351 Bell King Rd Newport News VA 23606 T: 757-596-6680

IPEX INC. 6810 Invader Cr Mississauga ON L5T 2B6 T: 905-670-7676 www.ipexna.com IPEX Inc. is a leading supplier of thermoplastic piping systems, offering complete systems of pipe, valves and fittings for a broad range of markets and applications including plumbing and mechanical, municipal and industrial process piping. Backed by over 50 years of experience, the IPEX name is synonymous with quality, innovation and performance. ISLAND WATER TECHNOLOGIES 65 Watts Ave Charlottetown PE C1E 2B7 T: 902-894-1366 pkiely@islandwatertech.com www.islandwatertech.com Contact: Patrick Kiely IVEY INTERNATIONAL INC. Unit 7 19122 – 27th St Surrey BC V3Z 2W8 T: 604-538-1168 www.iveyinternational.com JNE ENVIRONMENTAL 925 Century Dr Burlington ON L7L 5J8 T: 905-537-8317  F: 905-537-8317 jmcintyre@jne.ca | www.jneenvironmental.ca

JOHN BROOKS COMPANY LIMITED 12625 Meadowpine Blvd Mississauga ON L5N 7K5 T: 877-624-5757 industrialsales@johnbrooks.ca www.johnbrooks.ca John Brooks Company Limited has been proudly serving the Canadian industry with fluid handling equipment and customized systems for over 75 years. With our diverse selection of pumps, spray nozzles and filtration equipment we are able to assist our customers with their most challenging application problems.

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KEMIRA 3405 Marie-Victorin Blvd Varennes QC J3X 1P7 T: 800-465-6171  F: 450-652-7343 water@kemira.com | www.kemira.com KGO GROUP LTD. 52 – 1200 Speers Rd Oakville ON L6L 2X4 T: 905-847-1544  F: 905-847-1699 garry@kgogroup.com | www.kgogroup.com Contact: Garry O’Donnell, President KGS ENVIRONMENTAL GROUP INC. 3 Twelfth Concession Rd Scotland ON N0E 1R0 T: 855-378-3015  F: 888-245-5220 info@kgsenvironmentalgroup.ca www.kgsenvironmentalgroup.ca Contact: Kristofer Gaal KISTERS NORTH AMERICA 102 – 1520 Eureka Rd Roseville CA 95661 T: 916-723-1441  F: 916-774-1520 kna@kisters.net | www.kisters.net KONTEK ECOLOGY SYSTEMS, INC. 3250 Harvester Rd Unit 1 Burlington ON L7N 3W9 T: 877-332-8366  F: 905-332-8367 www.kontekecology.com KSB PUMPS INC. 5205 Tomken Rd Mississauga ON L4W 3N8 T: 905-568-9200 info@ksbcanada.com | www.ksb.ca Contact: Anna Vezina KUSTERS WATER, DIVISION OF KUSTERS ZIMA CORP. 101 Zima Park Dr Spartanburg SC 29301 T: 800-264-7005 www.kusterswater.com LAFARGE Calgary Edmonton Saskatoon and Winnipeg T: 780-410-3675 www.lafarge-na.com

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GUIDE TO ENVIRONMENTAL EQUIPMENT & SERVICE SUPPLIERS LUMINOR ENVIRONMENTAL INC. 290 Southgate Dr Unit 2 Guelph ON N1G 4P5 T: 519-837-3800  F: 519-837-3808 mlupal@luminoruv.com Contact: Myron Lupal, President LAKES ENVIRONMENTAL SOFTWARE 170 Columbia St West Suite 1 Waterloo ON N2L 3L3 T: 519-746-5995  F: 519-746-0793 sales@weblakes.com | www.weblakes.com Contact: Cheryl Porter Lakes Environmental is the world leading provider of state-of-the-science environmental air quality management software, meteorological data services, and hands-on training courses. Our clients include industries and regulatory agencies. Our extensively adopted desktop and cloud IT solutions comprise dispersion modeling, realtime and forecast modeling, emissions inventory systems, permitting, compliance and reporting. LAKESIDE EQUIPMENT CORPORATION 1022 East Devon Avenue Bartlett IL 60103 T: 630-837-5640  F: 630-837-5647 www.lakeside-equipment.com LAMBOURNE ENVIRONMENTAL LTD. 51 Belich Crescent Red Deer AB T4S 2K5 T: 403-348-8298 sales@lambourne.ca | www.lambourne.ca LAYFIELD GROUP LIMITED 17720 129 Avenue NW Edmonton AB T5V 0B4 T: 800-840-2884 roxalana.dobransky@layfieldgroup.com www.layfieldgroup.com Contact: Roxalana Dobransky

LYSTEK INTERNATIONAL 125 McGovern Dr Unit 1 Cambridge ON N3H 4R7 T: 226-444-0186 info@lystek.com | www.lystek.com Contact: Mike Beswick Lystek International is a leading provider of advanced biosolids and organics management solutions with their award-winning Thermo-Chemical Hydrolysis Solution: Lystek THP®. Lystek THP transforms biosolids and residuals into a multi-purpose, hydrolyzed product that enhances resource recovery and can optimize wastewater treatment processes. These products include LysteGro®, a Class A biofertilizer, LysteMize®, for anaerobic digester optimization, and LysteCarb®, an alternative carbon source. Lystek offers design-build services, regional processing solutions, and comprehensive LysteGro product management services.

MADOK MANUFACTURING LIMITED 82 Morrell St Brantford ON N3T 4J5 T: 519-756-5760  F: 519-756-5768 www.madok.ca

LIMEGREEN EQUIPMENT INC. 1183 Barton St E / PO Box 47629 Hamilton ON L8H 7S7 T: 844-444-2100  F: 613-955-1005 kbailey@limegreeninc.com www.limegreeninc.com Contact: Kevin Bailey LimeGREEN Equipment Inc. Canadian owned and operated, environmental equipment rental house. With equipment yards in Hamilton, Barrie, Trenton and Ottawa, Ontario, and Saint John, New Brunswick, LimeGREEN specializes in storage tanks, filtration equipment, pumps, berms and flow meters, etc. Whether your application is industrial services, construction, remediation, pipeline, municipal, mining or emergency response, LimeGREEN’s experience has you covered. Contact us to see how we can work with you, to help save you time, and money.

MAKE-WAY ENVIRONMENTAL TECHNOLOGIES INC. 385 Andrew St Exeter ON N0M 1S7 T: 866-625-3929  F: 519-235-0570 bert@makeway.ca | www.makeway.ca Contact: Bert Knip, President Make-Way Environmental Technologies Inc., has been offering on-site wastewater treatment solutions for residential, commercial and communal applications since 1996. Our systems are very easy to design, install, and maintain and they are versatile and modular.  The add-on unit for the reduction of Total Nitrogen is very simple, proven and efficient. We have a complete S.T.E.P. system for your next communal project; Collection, Wastewater Treatment and Dispersal, Single source with single responsibility at a competitive price.

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MARKLAND SPECIALTY ENGINEERING LTD. 9 – 305 Armstrong Ave Georgetown ON L7G 4X6 T: 855-873-7791 markland@sludgecontrols.com www.sludgecontrols.com Contact: Scott Langstaff Water/Wastewater Process Control. The Sludge Gun® hand-held sludge level detector: Helps eliminate unnecessary dredging/pumping. Automatic Sludge Blanket Level Detector: LED-phototransistor sensors automatically adjust for %SS from thick biosolids to light flocs; ideal for constricted areas. Suspended Solids Density Meter: Inherently safe non-intrusive ultrasonic sensor provides real-time readings unaffected by colour of fluid/particulates; automate underflow pumps. Duckbill™ Automatic Composite Sampling System: Inherently explosion-proof; move samples over high lifts/long runs.

M CON PIPE & PRODUCTS INC. PO Box 1191 2691 Greenfield Rd Ayr ON N0B 1E0 T: 866-537-3338 x201  F: 519-632-7440 www.mconproducts.com

LG WATER SOLUTIONS (LG CHEM., LTD.) 21250 Hawthorne Blvd Suite 330 Torrance CA 90503 T: 424-218-4041 nasales@lgchem.com | www.lgwatersolutions.com

LINKON TECHNOLOGY INC. 25 Southvale Dr Vaughan ON L6A 0X2 T: 647-724-6799 www.linkontechnology.com

MAPLE REINDERS GROUP LTD. 2660 Argentia Rd Mississauga ON L5N 5V4 T: 905-821-4844  F: 905-821-4822 www.maple.ca

MANTECH 5473 Highway 6 N Guelph ON N1H 6J2 T: 519-763-4245 rmenegotto@mantech-inc.com www.mantech-inc.com Contact: Robert Menegotto

MASTER METER CANADA 2045 de la Métropole Longueuil QC J4G 1S9 T: 450-461-1535 www.mastermeter.ca Master Meter Canada is a leading manufacturer of AWWA standard municipal water meters, AMR/AMI data collection systems and data management software. MCCUE ENGINEERING CONTRACTORS 8291 92 St Delta BC V4G 1B5 T: 604-940-2828 info@mccuecontracting.com www.mccuecontracting.com Contact: Chris McCue MCMASTER UNIVERSITY W. BOOTH SCHOOL OF ENGINEERING, PRACTICE AND TECHNOLOGY www.mcmaster.ca/sept/learninghub MEDORA CORPORATION 3225 Highway 22 Dickinson ND 58601 T: 701-225-4495  F: 701-225-0002 info@medoraco.com | www.medoraco.com MEMBRANE SPECIALISTS LLC 2 Rowe Court Hamilton OH 45015 T: 513-860-9490  F: 513-860-9492 www.membranespecialists.com MERSINO DEWATERING, INC. 10162 E Coldwater Rd Davison MI 48423 T: 810-658-3472 www.mersino.com MET-CHEM, INC. T: 216-881-7900 info@metchem.com | www.metchem.com

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GUIDE TO ENVIRONMENTAL EQUIPMENT & SERVICE SUPPLIERS

METAFLO TECHNOLOGIES 1630 Sismet Rd Unit 4 Mississauga ON L4W 1R5 T: 647-217-5625 amcnabb@metaflotech.com www.metaflotech.com Contact: Andrew McNabb MEUNIER TECHNOLOGIES T: 450-413-1311 info@meuniertechnologies.com www.meuniertechnologies.com Contact: Vincent Tremblay-Meunier MIL-RAM TECHNOLOGY, INC. 48009 Fremont Blvd Fremont CA 94538 T: 510-656-2001  F: 510-656-2004 sls@mil-ram.com | www.mil-ram.com MINDSPACE INC. 16 – 270 Esna Park Dr Markham ON L3R 1H3 T: 905-284-1000  F: 905-284-1082 info@mindspace.ca | www.mindspace.ca MINOTAUR STORMWATER SERVICES 566 Lynden Rd RR#8 Brantford ON N3T 5M1 T: 519-647-3729  F: 519-647-3198 service@minotaurltd.com www.minotaurltd.com MLM 19609 96th Avenue Langley BC V1M 3C9 T: 416-277-4262 info@mlmconveying.com | www.mlmconveying.com MONITARIO TECHNICAL SERVICES INC. 10 Alpine Ct Cambridge ON N1R 5S5 T: 519-748-8024 randy@monitario.com  | www.monitario.com MONTECO LTD. 408 – 55 St. Clair Avenue West Toronto ON M4V 1L5 www.monteco.com MS FILTER SYSTEMS INC. 31 Graham Lane Fenelon Falls ON K0M 1N0 T: 905-713-7875  F: 416-981-3418 rlecraw@msfilter.com | www.msfilter.com Contact: Bob LeCraw MSU MISSISSAUGA LTD. 2222 S Sheridan Way Building 3 Unit 300 Mississauga ON L5J 2M4 T: 905-823-4340 info@msumississauga.com www.msumississauga.com

MUELLER WATER PRODUCTS 82 Hooper Rd Barrie Ontario L4N 8Z9 T: 705-719-9965 www.muellerwaterproducts.com/metroh2o Mueller Water Products, Inc. (NYSE:MWA) is a leading manufacturer and marketer of products and services used in the transmission, distribution and measurement of water in North America. Our broad product and service portfolio includes engineered valves, fire hydrants, metering products and systems, leak detection and pipe condition assessment. MWP brands include Mueller®, Echologics®, Hydro Gate®, Hydro-Guard®, Hymax®, Krausz®, Jones®, Mi.Net®, Milliken®, Pratt®, Singer®, and U.S. Pipe Valve & Hydrant.

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MUELLER WATER PRODUCTS 1200 – 1200 Abernathy Rd Atlanta GA 30328 T: 770-206-4200 MYRON L COMPANY 2450 Impala Dr Carlsbad CA 92010 T: 760-438-2021 NAPIER-REID LTD. 10 Alden Rd Markham ON L3R 2S1 T: 905-475-1545  F: 905-475-2021 info@napier-reid.com www.napier-reid.com Contact: Frank Li NATIONAL STORAGE TANK 4137 Santa Rosa Ave Santa Rosa CA 95407 mgutierrez@nationalstoragetank.com www.nationalstoragetank.com Contact: Mauricio Gutierrez

NCS FLUID HANDLING SYSTEMS INC. Unit 530 – 280 Portage Close Sherwood Park AB T8H 2R6 T: 780-570-0051 ogilbert@ncsmanagement.ca www.ncsfluidsystems.ca Contact: Owen Gilbert NCS Fluid Handling Systems provides dewatering, sewer bypass, well pointing, sand pointing as well as API storage tank hydro-tests, pipeline pressure testing, site water management, specialized filtration (particulate or hydrocarbon removal), sewer / sanitary bypass, well pointing or sand pointing & dewatering services. NCS is dedicated to serving the industrial, construction, mining, municipal & all segments of the energy sector in both planned and emergency environments. The NCS Fluid Handling Systems focus is to offer a highest level of customer service, safely & adhere to a strong quality plan for all our clients needs / projects. NEOTHANE/MAGNASEAL 19 Sandwell Dr Toronto ON M9R 3P9 www.neothane.com

NEXOM 5 Burks Way Winnipeg MB R2J 3R8 T: 204-949-7500 www.nexom.com Contact: Martin Hildebrand NILEX INC. 6810 – 8 St NW Edmonton AB T6P 0C5 T: 800-667-4811 tammy.kidd@nilex.com | www.nilex.com Contact: Tammy Kidd NOL-TEC SYSTEMS INC. 425 Apollo Dr Lino Lakes MN 55014 T: 651-780-8600 sales@nol-tec.com | www.nol-tec.com NOVA FILTRATION TECHNOLOGIES INC. 1367 Osprey Dr Ancaster ON L9G 4V5 info@novafiltrationtech.com www.novafiltrationtech.com OMRON AUTOMATION 100 Consilium Place Scarborough ON M1H 3E3 T: 866-986-6766 christopher.barnes@omron.com www.automation.omron.com/en/ca Contact: Chris Barnes

ONTARIO CLEAN WATER AGENCY 1700 – 1 Yonge St Toronto ON M5E 1E5 F: 416-775-0543 www.ocwa.com OCWA provides a full range of water and wastewater services to municipalities, First Nation communities, institutions and private sector companies across Ontario. We are a “Total Solutions Provider” offering a range of services, including operations and maintenance engineering, and other technical and advisory expertise. Our certified team of experts have the skills and knowledge to support you at every stage of the asset life cycle, ensuring the long-term sustainability of your water and wastewater infrastructure. If your business is water, you need to know OCWA.

NEPTUNE TECHNOLOGY GROUP CANADA CO. 7275 West Credit Avenue Mississauga ON L5N 5M9 T: 905-858-4211  F: 905-858-0428 NETT TECHNOLOGIES INC. 6154 Kestrel Rd Mississauga ON L5T 1Z2 T: 905-672-5453 sales@nettinc.com | www.nettinc.com

NETZSCH CANADA INC. 500 Welham Rd Barrie ON L4N 8Z4 T: 705-797-8426  F: 705-797-8427 ntc@netzsch.com | www.pumps.netzsch.com Contact: George Balcerczyk NETZSCH, the world’s largest manufacturer of Progressive Cavity Pumps offers a complete range of Progressive Cavity Pumps, Metering Pumps and Rotary Lobe Pumps, Twin Shaft Grinders, Macerators.

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ORIVAL WATER FILTERS 213 S Van Brunt St Englewood NJ 7631 T: 201-568-3311  F: 201-568-1916 filters@orival.com | www.orival.com Providing automatic self-cleaning filtration systems for the removal of suspended solids from water is more than a job for Orival – it’s a way of life. For over 30 years, Orival has supplied thousands of filtration units for a wide variety of customers in over 85 countries around the world. Single units, flange-to-flange systems, complete skid mounted or containerized packages, and specifically fabricated filters are all common products for Orival.

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GUIDE TO ENVIRONMENTAL EQUIPMENT & SERVICE SUPPLIERS ORBINOX 2050 Dagenais Blvd West Laval QC H7L 5W2 T: 450-622-8775 field@orbinox.com | www.orbinox.com Contact: Rick Field

PENCON EQUIPMENT COMPANY F2 – 109 Thomas St Oakville ON L6J 3A7 T: 905-845-1727  F: 905-845-1792 jpenny@pencon.ca Contact: Brian Penny

ORTHOS LIQUID SYSTEMS, INC. 596 Browns Cove Rd Ridgeland SC 29936 T: 843-987-7200 info@orthosfilters.com | www.orthosfilters.com OSPREY SCIENTIFIC INC. Unit 100 – 18232 105 Avenue Edmonton AB T5S 2R5 T: 800-560-4402  F: 877-820-9667 sales@ospreyscientific.com OSTARA NUTRIENT RECOVERY TECHNOLOGIES INC. 690 – 1199 West Pender St Vancouver BC V6E 2R1 T: 604-408-6697 info@ostara.com | www.ostara.com OVIVO USA LLC 2404 Rutland Dr Austin TX 78758 info@ovivowater.com | www.ovivowater.us PACWILL ENVIRONMENTAL 4516 Mountainview Rd Unit 4 Beamsville ON L0R 1B3 www.pacwill.ca Contact: Sean Miner

PARKSON CORPORATION #100 -1401 W Cypress Creek Rd Fort Lauderdale FL 33309 T: 954-974-6610  F: 954-974-6182 technology@parkson.com | www.parkson.com Parkson Corporation is a prominent wastewater and water treatment equipment supplier. We provide numerous, cost-effective solutions for potable water, process water, and industrial and municipal wastewater applications. Parkson designs, engineers and assembles products that offer customers with advanced screening, aeration, biological, clarification, filtration, enhanced nutrient removal (ENR), and biosolids thickening solutions. Parkson also has a highly trained field service team capable of completely rebuilding aging equipment or retrofitting equipment to include the latest technological advancements. PAX WATER TECHNOLOGIES INC. 860 Harbour Way S Richmond CA 94804 T: 866-729-6493

PENTAIR CANADA 490 Pinebush Rd Unit 4 Cambridge ON N1T 0A5 T: 800-363-7867  F: 888-606-5484 orders.cacam@pentair.com | www.pentair.com Contact: Peter Reinhardt, Regional Sales Manager Global manufacturer of pumping, filtration and control equipment covering residential, commercial, industrial, oil and gas, mining and municipal markets. Pentair brands have been providing application solutions since 1870.

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PICA CORPORATION 4909 – 75 Avenue Edmonton AB T6B 2S3 T: 780-469-4463 drussell@picacorp.com | www.picacorp.com Contact: Dave Russell PICA provides condition assessment services for pipelines in water and wastewater services. We have in-line inspection tools in sizes from 2” to 78” for steel, cast and ductile-iron pipes. PICA also offers leak detection using “Nautilus” intelligent sphere. PINE ENVIRONMENTAL www.pine-environmental.com POLLARD WATER 521 Butler Farm Rd Hampton VA 23666 T: 516-746-0842 POLY PROCESSING COMPANY PO Box 4150 Monroe LA 71211 T: 318-343-7565 bvenner@polyprocessing.com www.polyprocessing.com Contact: Bert Venner PRECISION BIOMONITORING www.precisionbiomonitoring.com

PREMIER TECH WATER AND ENVIRONMENT 1 Avenue Premier Rivière-du-Loup QC G5R 6C1 T: 800-632-6356 pta@premiertech.com www.premiertechaqua.com Premier Tech Water and Environment brings sustainable septic solutions to life. Around the world and in your backyard, our people and technologies make a difference. We proudly offer Ecoflo, the most sustainable solution on the market. It has a renewable, compostable filter and needs no energy for treatment. We are also experts in large-scale decentralized systems, including our moving bed biofilm reactor (MBBR), membrane bioreactor (MBR), and sequence batch reactor (SBR) technologies. PROCO PRODUCTS PO Box 590 Stockton CA 95201-0590 T: 209-943-6088 PROMINENT FLUID CONTROLS LTD. 490 Southgate Dr Guelph ON N1G 4P5 T: 888-709-9933 sales@prominent.ca | www.prominent.ca PROTECTOLITE COMPOSITES INC. T: 416-444-4484  F: 416-444-4485 www.protectolite.com

PRO AQUA INC. 7 – 264 Bronte St S Milton ON L9T 5A3 T: 905-864-9311  F: 905-864-8469 scott@proaquasales.com | www.proaquasales.com Contact: Scott Lenhardt Archimedes Screw Pumps, Screens, Washer Compactors, Conveyors, Grit Removal, Vortex Units, Septage Receiving, Thickening, Dewatering, Energy Recovery, Blowers, Aeration Diffusers, Diffuser Cleaning, Mixers, Clarifiers, Density Current Baffles, Launder Covers, SBR, RBC, MBR, Tertiary Filters, Disk Filters, Rotary-Lobe Pumps, Grinders, Polymer Systems, Strainers, Membranes, UF, Ion Exchange, Sludge Transport/ Storage, Sludge Dryers, Digesters, Biosolids, Biogas Conditioning, Intake Screens, Underdrains, Plate Settlers, Chlorine Gas Feed, Sluice/ Slide Gates, Stop Logs/ Bulkheads, Odour Control Systems, Aluminum Tank Covers, Stormwater Management, Tipping Buckets, Manhole Equipment, Watertight Doors, Waterchamp. PUREFLOW FILTRATION DIV. 6739 Washington Ave Whittier CA 90601 T: 562-945-3425 info@waterbypureflow.com www.waterbypureflow.com Q-VAC AUTOMATIC PRIMING SYSTEMS 805 Oakwood Rd Lake Zurich IL 60047 T: 847-540-0054  F: 847-540-0513 experts@vacuumprimingsystems.com QEI, LLC 45 Fadem Rd Springfield NJ 7081 T: 973-346-5266 lpearce@qeiinc.com | www.qeiinc.com Contact: Lee Pearce QM ENVIRONMENTAL 3580 Laird Rd Mississauga ON L5L 5Z7 T: 416-253-6000 marketing@qmenv.com | www.qmenv.com

R.E. MORRISON EQUIPMENT INC. 21 – 3615 Laird Rd Mississauga ON L5L 5Z8 T: 905-828-6301  F: 905-828-3674 info@remequip.com | www.remequip.com Contact: Ray Ralph, Owner Canadian national distributor of Becker and Republic blowers, compressors and vacuum pumps. The company provides engineering, sales and service, inventory of parts, pumps with unique size and pressure capability. Becker rotary vane blowers and compressors work in small to mid-size aeration projects. Regenerative blower compact, quiet and dependable. Three stage units for up to 15 PSI. Compact high speed single stage centrifugal blower’s volumes of 4000 CFM pressures to 4.5 PSI.

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GUIDE TO ENVIRONMENTAL EQUIPMENT & SERVICE SUPPLIERS

RACO MANUFACTURING AND ENGINEERING CO. 1400 62nd St Emeryville CA 94608 T: 800-722-6999  F: 510-658-3153 quotes@racoman.com | www.racoman.com Contact: James Brown REAL TECH INC. 1150 Champlain Court Whitby ON L1N 6K9 T: 905-665-6888  F: 905-665-7025 info@realtechwater.com www.realtechwater.com REGENESIS T: 949-218-0688 trodewald@regenesis.com www.regenesis.com/en Contact: Tricia Rodewald REVOLMIX PROCESSING LTD. 72 Hawkdale Close NW Calgary AB T3G 3A6 T: 587-352-9652 li.wang@revolmixing.com | www.revolmixing.com Contact: Li Wang RITTAL SYSTEMS LTD. 6485 Ordan Dr Mississauga ON L5T 1X2 T: 800-399-0748 www.rittal.ca ROTATOR PRODUCTS LIMITED 101 Innovation Dr Vaughan ON L4H 0S3 T: 905-856-2653  F: 905-856-3407 www.rotatorproducts.com ROYAL ROADS UNIVERSITY 2005 Sooke Rd Victoria BC V9B 5Y2 T: 250-391-2600 learn.more@royalroads.ca www.royalroads.ca RPS ENGINEERING PO Box 5186 Elgin IL 60121 T: 847-931-1950 coversales@rpsengineering.com www.rpsengineering.com RTS COMPANIES INC. T: 800-663-2803  F: 519-699-0027 info@rtscompaniesinc.com www.rtscompaniesinc.com

SCG METCON 3 – 15 Connie Crescent Concord ON L4K 1L3 T: 905-738-2355  F: 905-738-5520 metcon@metconeng.com | www.metconeng.com SCHONSTEDT INSTRUMENT COMPANY 100 Edmond Rd Kearneysville WV 25430 T: 800-999-8280  F: 304-725-1095 schonstedt.info@spx.com www.schonstedt.com SCICORP INTERNATIONAL CORP. 13 – 3300 Ridgeway Dr Mississauga ON L5L 5Y6 T: 905-829-1749 derk@scicorp.net | www.scicorp.net Contact: Derk Maat SEEO2 ENERGY INC. 3553 31 St NW Calgary AB T2L 2K7 T: 403-510-2505 www.seeo2energy.com SEEPEX, INC. 511 Speedway Dr Enon OH 45323 T: 937-864-7150 sales.us@seepex.com | www.seepex.com

SHAC SOLUTIONS INC. PO Box 73 Medicine Hat AB T1A 7E5 T: 888-533-4446  F: 403-529-9334 sales@shac.ca | www.shac.ca Contact: Philip Fandrick SEI INDUSTRIES 7400 Wilson Ave Delta BC V4G 1H3 T: 604-946-3131 seisales@sei-ind.com | www.sei-ind.com Contact: Paul Reichard Using proprietary materials, SEI’s Arctic-Shield Insta-Berms are the first to be certified to Canada’s new national CAN/ULC-S668-12 standard. Arctic-Shield material is purpose-engineered for secondary containment in arctic climates and can be deployed in temperatures as low as -46C. Many operators working in remote, extreme conditions (including mining, construction and exploration companies), use these amazing climate-specific berms.

RUNNALLS INDUSTRIES 1275 Cardiff Blvd Mississauga ON L5S 1R1 T: 905-453-4220 www.runnalls.com SAFE DRAIN® 628 Hi Tech Pkwy #D Oakdale CA 95361 T: 800-764-5220  F: 408-273-6000 merissa@safedrainusa.com Contact: Merissa Lowe SANECOTEC 5636 Manotick Main St Ottawa ON K4M 1B3 www.sanecotec.com SCARBOROUGH SUPPLY 154 Crown Court Whitby ON L1N 7B1 T: 905-579-4460  F: 905-579-4755 www.scarboroughsupply.com SCENTROID 70 Innovator Ave Unit 7 Stouffville ON L4A 0Y2 T: 416-479-0078 hesam.k@scentroid.com | www.scentroid.com SCG FLOWMETRIX 2088 Jetstream Rd London ON N5P 3P6 www.flowmetrix.ca

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SEW-EURODRIVE 210 Walker Dr Bramalea ON L6T 3W1 T: 905-791-1553  F: 905-791-2999 marketing@sew-eurodrive.ca | www.sewcan.ca Contact: Suzanne Mamo No matter where you are located across Canada, SEW-EURODRIVE is there for you. With three assembly plants in Toronto, Montreal and Vancouver we stock more product inventory than all our competitors combined. We also have 38 technical sales representatives and hundreds of distribution product specialists and industry specialist locations. Located regionally, our applications engineers understand the power transmission challenges your business and industry are facing – and how to optimize your drive application to meet them. Combined with our local product distribution, this leading expertise means we can get you up and running fast.

SENTRIMAX CENTRIFUGES INC. 9440 – 60th Avenue Edmonton AB T6E 0C1 T: 780-434-1718  F: 780-434-1620 tim.maxwell@sentrimax.com www.sentrimax.com Contact: Tim Maxwell At Sentrimax, we’re proud of our solid history and vast experience in the service and repair of municipal decanter centrifuges. Our vertically integrated machine shop operations in both Canada and the U.S. provide a complete, inhouse range of services that is second to none, and every aspect of a centrifuge repair is executed with the utmost regard for quality and reliability. This is what our customers continually expect and this is what Sentrimax consistently delivers.

SHERWIN-WILLIAMS PROTECTIVE & MARINE COATINGS T: 216-292-4700 www.protective.sherwin-williams.com SIEMENS CANADA LTD. 1577 North Service Rd E Oakville ON L6H 0H6 T: 905-305-5251 www.siemens.ca SIERRA SALES PETANKS 346 Kent Lane Perkasie PA 18944 T: 215-258-5602  F: 215-480-3507 www.petanks.com SIMPSON ENVIRONMENTAL CORPORATION 2 – 1509 Upper Middle Rd Burlington ON L7P 4M5 T: 905-332-7669 www.senvc.com

SMITH & LOVELESS, INC. 14040 Santa Fe Trail Dr Lenexa KS 66215 T: 913-888-5201  F: 913-888-2173 www.smithandloveless.com Contact: William Flores, Vice President Municipal Division Smith & Loveless Inc. is a global leader in the design and manufacture of a complete line of pre-engineered water and wastewater treatment and pumping systems. With sales offices throughout Canada, and numerous installations over 40 years, we feature treatment plants, grit removal systems, pump stations and filtration systems.

SERVICE FILTRATION OF CANADA LTD. 12 – 4141 Sladeview Cres Mississauga ON L5L 5T1 T: 905-820-4700 x23 Contact: Joe Halahel

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Environmental Science & Engineering Magazine


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GUIDE TO ENVIRONMENTAL EQUIPMENT & SERVICE SUPPLIERS

SNF CANADA LTD. 5 Blueking Cr Westhill ON M1C 4V3 T: 416-286-4617  F: 416-286-6324 msimpson@snfcanada.com | www.snf-canada.com Contact: Mark Simpson, Regional Manager SNF Canada is the world’s largest manufacturer of organic coagulants and flocculants. SNF Canada specializes in providing flocculants and coagulants to the municipal water and wastewater treatment industry. Typical polymer applications include sludge dewatering, sludge thickening and primary/secondary clarification. SNF Canada’s Equipment Division offers end-users dry and/or emulsion polymer preparation systems, solution tanks and feed pump packages. SOLINST CANADA LTD. 35 Todd Rd Georgetown ON L7G 4R8 T: 905-873-2255  F: 905-873-1992 instruments@solinst.com | www.solinst.com Contact: Chris Batt

SOURCE ONE ENVIRONMENTAL / FERNCO INC. 850 Phillip St E Sarnia ON N7T 1Z6 T: 519-332-6711 michael.otoole@fernco.com | www.s1eonline.com Contact: Michael O’Toole SPARTAN RESPONSE 41 Brockley Dr Hamilton ON L8E 3C3 T: 905-573-1010 info@spartanresponse.com www.spartanresponse.com Contact: Kevin Wallace, P.Eng. SPECIALTY PRODUCTS, INC. 2410 104th St Ct S Suite D Lakewood WA 98499 T: 253-588-7101  F: 253-588-7196 info@specialty-products.com www.specialty-products.com

SPD SALES LIMITED 3230B American Dr Mississauga ON L4V 1B3 T: 905-678-2882 x257  F: 905-293-9774 sales@spdsales.com | www.spdsales.com Contact: Frank Farkas For over two decades, the SPD Sales Ltd. team has remained dedicated to the promotion, supply and support of instrumentation and chemical feed products for the process control market. Our highly trained and qualified personnel provide full technical application and product support to industries and municipalities, putting forward the highest quality products and instrumentation solutions for our clients. Chemical feed systems; disinfection systems; flow meters; level meters; metering pumps, analyzers, turbidity, ozone generators, odour control; field service.

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TECTA-PDS 382 King St E Kingston ON K7K 2Y2 T: 844-215-7122 info@tecta-pds.com | www.tecta-pds.ca TEKLEEN AUTOMATIC FILTERS, INC. 2672 S La Cienega Blvd Los Angeles CA 90034 T: 310-839-2828  F: 310-839-6878 diana@tekleen.com | www.tekleen.com

STANMECH TECHNOLOGIES INC. 944 Zelco Dr Burlington ON L7L 4Y3 T: 905-631-6161  F: 905-631-1852 info@stanmech.com | www.stanmech.com STERLING POWER SYSTEMS INC. 799 Rennie St Hamilton ON L8H 3R5 T: 1-800-809-0330  F: 905-547-2381 www.sterlingpowersystems.com SUEZ 8007 Discovery Dr Richmond VA 23229 T: 804-756-7600  F: 804-756-7643 sales.usa@suez-na.com | www.suez-na.com

SONIC SOIL SAMPLING INC. 668 Millway Ave Units 15&16 Concord ON L4K 3V2 T: 905-660-0501  F: 905-660-7143 sonic@sonicsoil.com | www.sonicsoil.com Contact: Alan Archibald, VP Administration, Ted Nedelkopoulos, Operations Manager Sonic Soil Sampling Inc. are celebrating their 38th Anniversary. We have been providing contract services since 1981 to the Environmental, Geotechnical and Mining sectors throughout the world, offering a portable solution to your sampling and geotechnical needs. Our reputation for quality, workmanship and a willingness to help our customers has been our best promotional tool.

TEAM-1 ACADEMY INC. 760 Pacific Rd #19 Oakville ON L6L 6M5 T: 905-827-0007 x122  F: 905-827-0049 brian@team1academy.com www.team1academy.com Contact: Brian Kovalcik

SULZER PUMPS (CANADA) INC. 1401 Meyerside Dr Unit 2 Mississauga ON L5T 1G8 T: 905-670-4677  F: 416-881-1572 landy.lu@sulzer.com Contact: Landy Lu

TERRAPURE ENVIRONMENTAL 1100 Burloak Dr Suite 500 Burlington ON L7L 6B2 T: 905-315-6300 info@terrapureenv.com | www.terrapureenv.com Contact: General Inquiries Terrapure Environmental is a leading Canadian provider of essential environmental and industrial services for industrial, commercial and institutional customers. With an unwavering focus on health and safety excellence, we provide services that reduce the volume of waste requiring disposal, recover value from industrial by-products, and restore industrial operations to peak efficiency. At Terrapure, we’re Changing Waste for Good. THE QUIKRETE COMPANIES 5 Concourse Pkwy Suite 1900 Atlanta GA 30328 Contact: Neil G. Goodman

SYNTEC PROCESS EQUIPMENT LTD. 77 Pillsworth Rd Unit 12 Bolton ON L7E 4G4 T: 905-951-8000  F: 905-951-8002 info@syntecpe.com | www.syntecpe.com Contact: Roger Sinclair, President Syntec is a manufacturers’ representative in both municipal and industrial sectors. The combined expertise of Syntec and our manufacturing partners enables Syntec to provide solutions in all aspects of valving, controls and instruments. We provide competitively priced, quality products in an ethical and professional manner and deliver excellent service to our clients, from a knowledgeable, caring staff. T. HARRIS ENVIRONMENTAL MANAGEMENT INC. 93 Skyway Avenue Suite 101 Toronto ON M9W 6N6 T: 416-679-8914  F: 416-679-8915 rsingh@tharris.ca | www.tharris.ca Contact: Raj Singh TANK CONNECTION 3609 N 16th St Parsons KS 67357 T: 620-423-3010  F: 620-423-3999 sales@tankconnection.com TANKTEK ENVIRONMENTAL SERVICES LTD. 970 Third Concession Rd Pickering ON L1V 2P8 T: 905-706-3166  F: 905-839-6600 tomburt@tanktek.com | www.tanktek.com Contact: Thomas Burt

THOMAS NUTRIENT SOLUTIONS 70 Beach Rd Hamilton ON L8L 8K3 T: 877-479-1388 sgruber@thomassolutions.ca www.thomassolutions.ca Contact: Steve Gruber THOMPSON PUMP & MANUFACTURING CO., INC. 4620 City Center Dr Port Orange FL 32129 T: 386-767-7310

TITAN ENVIRONMENTAL CONTAINMENT LTD. 777 Quest Blvd Ile des Chênes MB R0A 0T1 T: 1-866-327-1957 info@titanenviro.com | www.titanenviro.com Contact: Juice Lambert, VP Sales Titan Environmental Containment is a leading Canadian supplier and installer of high-quality geosynthetics, and engineered construction materials that help manage and protect the environment. Our product lines include geomembrane liners, geotextile fabrics, geogrids, secondary containment systems, water control and drainage solutions, and erosion and sediment control products. We are proud to service the civil construction, water and waste management, agricultural, mining, energy, and hydro-electric industries.

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February 2020  |  93


SUPPLIERS

GUIDE TO ENVIRONMENTAL EQUIPMENT & SERVICE SUPPLIERS

TRANS ENVIRONMENTAL SYSTEMS INC. 1363 Wimbledon Way Charlottesville VA 22901 T: 434-975-2872  F: 434-975-2872 rambishop1@gmail.com Contact: Merrill Bishop TRIDENT PROCESSES INC. 101 – 2238 Queen St Abbotsford BC V2T 0B7 T: 604-330-2500 frank.engel@tridentprocesses.com www.tridentprocesses.com Contact: Frank Engel TRIPLEPOINT ENVIRONMENTAL Suite 503 1010 West Lakestreet Oak Park IL 60301 T: 800-654-9307 www.triplepointwater.com TROJAN TECHNOLOGIES 3020 Gore Rd London ON N5V 4T7 T: 519-457-3400 info@trojanuv.com TROY-ONTOR INC. 121 Commerce Park Dr Units H – K Barrie ON L4N 8X1 T: 705-721-8246  F: 705-721-5851 martin.doyle@troy-ontor.ca www.troy-ontor.ca Contact: Martin Doyle TULSAR CANADA LTD. 15 Worthington Dr Brantford ON N3T 5M1 T: 519-748-5055  F: 519-752-5077 tulsar@tulsar.com | www.tulsar.com UNIQAIR TECHNOLOGIES 2758 Eagle Mountain Dr Abbotsford BC V3G 0C4 T: 604-854-5628 www.uniqair.com UNITED MANUFACTURING INTERNATIONAL 2000 820 Kimball Rd Suite 1002 Red Bluff CA 96080-4586 T: 530-528-1361  F: 530-528-1361 activecarbon@jps.net | www.umi20001.tripod.com UNIVERSITY OF BRITISH COLUMBIA 2386 East Mall Vancouver BC V6T 1Z3 T: 604-827-4136 apscpp@apsc.ubc.ca www.apscpp.ubc.ca/programs/mel

UNIVERSITY OF TORONTO SCARBOROUGH, MASTER OF ENVIRONMENTAL SCIENCE PROGRAM 1265 Military Trail Toronto ON M1C 1A4 T: 416-287-7357  F: 416-287-7204 menvsc@utsc.utoronto.ca www.utsc.utoronto.ca/gradpes/programs-menvsc-0 Contact: Julie Quenneville The Master of Environmental Science program is a 12-month course-based professional program that aims to educate practitioners of environmental science to meet the needs of industry, government and NGOs. Students spend the last 4 months in a work place internship or carrying out an environmentally related research project. Students specialize in either: Conservation and Biodiversity, Climate Change Impacts and Adaptation, or Terrestrial and Aquatic Systems. Parttime studies are also available.

94  | February 2020

UNIVERSITY OF WATERLOO 200 University Ave W Waterloo ON N2L 3G1 T: 519-888-4567 employerevents@uwaterloo.ca UNIVERSITY OF WISCONSIN-MADISON 432 N Lake St Madison WI 53706 T: 800-462-0876  F: 608-263-3160 custserv@epd.wisc.edu UPONOR INFRA LTD. 6507 Mississauga Rd Mississauga ON L5N 1A6 T: 905-858-0206  F: 905-858-0208 www.infra.uponor.ca

USABLUEBOOK PO Box 9006 Gurnee IL 60031 T: 800-548-1234  F: 847-377-5160 export@usabluebook.com | www.usabluebook.com Contact: Dan Mantilla, International Sales Manager USABlueBook is the water and wastewater industry’s primary source for equipment and supplies. With over 64,000 products available, it’s easy to see why thousands of industrial, private and municipal operations rely on USABlueBook each year. Call 1-800-548-1234 Monday through Friday, 6 am to 7 pm CST, to speak with a live customer service representative who can answer your questions, place your order, quote pricing or track your shipment. Request your FREE 1,760-page catalog today! USF FABRICATION 3200 West 84th St Hialeah FL 33018 www.usffab.com VAL-MATIC VALVE & MFG. CORP. 905 Riverside Dr Elmhurst IL 60126 T: 630-941-7600 valves@valmatic.com | www.valmatic.com

VANTON PUMP AND EQUIPMENT CORP. 201 Sweetland Ave Hillside NJ 07205-1793 T: 908-688-4216 mkt@vanton.com | www.vanton.com Vanton Pump has been manufacturing the most comprehensive line of thermoplastic, horizontal centrifugal, vertical, non-metallic sump pumps and rotary pumps since 1950. The wet-ends of Vanton’s line of pumps are constructed of injection molded, homogenous, corrosion-resistant, thermoplastic materials including polypropylene, PVC, CPVC and PVDF which are inert to fluids being pumped across the full pH range. Vanton also offers vertical sump pumps as well as ANSI horizontal, sealless, magnetic, self-priming, close-coupled and rotary Flex-ILiner® pumps. VAUGHAN CO. INC. 364 Monte-Elma Rd Montesano WA 98563 T: 360-249-4042

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VECTOR PROCESS EQUIPMENT INC. 5889 Summerside Dr Mississauga ON L5M 6L1 T: 416-527-4396 / 647-519-5225 / 902-719-8245 andre@vectorprocess.com www.vectorprocess.com Contact: André Osborne, Cynthia Nwabuokei, Raymond Pecoskie Centrifugal pumps, rotary lobe pumps, screw pumps, slide gates, weir gates, knife gate valves, strainers, bar screens, screw conveyors, compactors, grit collectors, rotating belt filters, clarifier & thickener mechanisms, chain & flight collectors, tube settlers, DAF, SAF, fine bubble diffusers, tank mixers, SBR, MBBR, membranes, blowers, air control valves, UV disinfection, digester covers & mixers, biogas safety equipment, waste gas burners & flares, heat exchangers, sludge dewatering, dryers, bolted steel tanks, geodesic domes, thermoplastic tanks, water disinfection systems, odour control equipment, chemical feed systems, polymer make down systems.

VEGA INSTRUMENTS, CANADA LTD. 501-2235 Sheppard Ave E North York ON M2J 5B5 T: 416-774-2454 vegacanada@vega.com Contact: Mark McDowell VEGA’s full product line of level, pressure, density, and weight measurement solutions allows us to provide one of the most complete ranges of measurement solutions in the industry. We are proud to apply our products and solutions to serve a wide variety of industries, including energy, petrochemical, chemical, oil and gas, pulp and paper, pharmaceutical, mining, plastics, food and beverage, bulk solids, and water and wastewater. We believe the future of instrumentation lies in the ability to produce high quality, innovative products that keep pace with technology, and provide service and value to our customers.

VEOLIA WATER TECHNOLOGIES CANADA INC. 4105 Sartelon Saint Laurent QC H4S 2B3 T: 905-286-4846 / 514-334-7230 salescanada@veolia.com www.veoliawatertech.com Contact: Nadine Mourad, Marketing & Communication Team Leader Veolia Water Technologies Canada has helped Canadian municipalities and industries solve water, wastewater and sludge treatment challenges since 1948. We design, manufacture and service over 350 proprietary technologies, offering solutions ranging from mobile and urgent temporary plants, to treatment equipment, to

Environmental Science & Engineering Magazine


SUPPLIERS

GUIDE TO ENVIRONMENTAL EQUIPMENT & SERVICE SUPPLIERS integrated systems delivered under a wide range of procurement methods. By delivering solutions that minimize resource consumption and maximize resource recovery we help customers achieve their sustainability targets.

VIKING CHAINS DIVISION OF CONNEXUS INDUSTRIES INC. 27474 Gloucester Way Langley BC V4W 4A1 T: 604-952-4146 www.vikingchainsenvirodivision.com

WASTE ’N WATERTECH LTD. #309 – 11979 40th St SE Calgary AB T2Z 4M3 T: 403-252-9056  F: 403-252-2538 dominic@watertech.ca | www.watertech.ca Contact: Dominic Janssen

VIQUA 425 Clair Rd West Guelph ON N1L 1R1 T: 519-763-1032 info@viqua.com | www.viqua.com

VFOLD INC. 15700 Robins Hill Rd Unit 2 London ON N5V 0A4 T: 877-818-3653  F: 519-659-6941 sales@vfoldinc.com | www.vfoldinc.com Contact: Mark Thomas Manufacturer of sludge dewatering systems for industrial & municipal. Specializing in smallmid-sized applications with equipment built for simplicity, low maintenance & cost-effectiveness. Dewatering systems capable of handling sludge produced from: Clarifier underflow, DAF float, biological treatment, MBRs, lagoons. Manufacturer of VFold folding belt press; rotating drum thickener; polymer make-down systems.

VICTAULIC 123 Newkirk Rd Richmond Hill ON L4C 3G5 T: 905-884-7444 www.victaulic.com Contact: Rhys Jardine Since 1919, Victaulic’s pipe joining and flow control solutions have optimized construction productivity and reduced risk, ensuring projects are completed safely, on time and within budget. Driven by a spirit of continuous innovation, Victaulic’s portfolio of 100,000+ products and patented technologies promote freedom of design, as well as simplified inspection and maintenance for the life of any system. Learn more at www.victaulic.com.

VL MOTION SYSTEMS INC. 212 Wyecroft Rd Oakville ON L6K 3S3 T: 905-842-0244  F: 905-845-3009 jcarney@vlmotion.com | www.vlmotion.com Contact: John Carney WALKER ENVIRONMENTAL GROUP INC. 2800 Thorold Townline Rd Niagara Falls ON L2E 6S4 T: 905-227-4142 contact@walkerind.com www.walkerind.com

WALKERTON CLEAN WATER CENTRE 20 Ontario Rd Box 160 Walkerton N0G 2V0 T: 866-515-0550  F: 519-881-4947 inquiry@wcwc.ca | www.wcwc.ca The Walkerton Clean Water Centre (WCWC) is an agency of the Government of Ontario, established in 2004, to ensure clean and safe drinking water for the entire province. WCWC coordinates and provides education, training and information to drinking water system owners, operators and operating authorities, and the public, in order to safeguard Ontario’s drinking water. Through partnerships, WCWC also provides training for the 133 First Nations communities in Ontario. WARREN’S WATERLESS PRINTING INC. 711 Clayson Rd Toronto ON M9M 2H4 www.warrenswaterless.com Contact: Glenn Laycock

WATERLOO BARRIER INC. 180 Bayfield St Meaford ON N4L 1G6 T: 519-856-1352 robin@waterloo-barrier.com www.waterloo-barrier.com Contact: Robin Jowett Waterloo Barrier® is a containment wall for the control of contaminated groundwater or soil gases. The Barrier can also be used as a structural wall for construction dewatering or the excavation of contaminated soils. Formed of steel sheet piling with specially designed sealable joints, the Barrier offers a long service life, exceptionally low hydraulic conductivity, and documentable construction quality assurance/ control. Installation is clean and rapid with minimal site disturbance. Interlocking joints are sealed in place, in the ground. WATERLOO BIOFILTER SYSTEMS INC. PO Box 400 Rockwood ON N0B 2K0 T: 519-856-0757  F: 519-856-0759 info@waterloo-biofilter.com www.waterloo-biofilter.com WATERMARK T: 647-494-3003 colin.powell@watermark.ca www.watermark.ca Contact: Colin Powell WATERRA PUMPS LIMITED 5200 Dixie Rd Unit 17 Mississauga ON L4W 1E4 T: 905-238-5242  F: 905-238-5704 sales@waterra.com | www.waterra.com Contact: John Newall WATSON MARLOW CANADA INC. 383 Applewood Cres Concord ON L4K 4J3 T: 289-588-1988 WEIR CANADA 2360 Millrace Ct Mississauga ON L5N 1W2 T: 905-813-8190  F: 905-813-8170

VISSERS SALES CORP. 20 – 220 Industrial Pkwy S Aurora ON L4G 3V6 T: 905-841-4073  F: 905-841-4018 greg@vissers.on.ca | www.visserssales.com Contact: Greg Vissers Vissers Sales Corp. serves a wide variety of industrial, municipal, power, oil & gas, and OEM customers. Focusing on liquid handling applications, our process specialists have years of experience in assisting our customers in making: Manufacturing processes operate more efficiently. – Drinking water safe. – Wastewater safe for discharge. – Boilers and cooling towers scale-free. – Buildings more energy efficient. – Buildings more water efficient. – Commercial swimming pools clean and crystal clear.

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WASTECORP PUMPS INC. 50 Shorncliffe Rd Toronto ON M8Z 5K1 T: 888-829-2783  F: 888-883-3320 info@wastecorp.com | www.wastecorp.com Contact: Sales/Engineering Wastecorp Pumps, an ISO 9001/14001:2015 certified company, is known worldwide for manufacturing heavy duty, high performance fluid process pumps in the areas of municipal, industrial, construction, chemical, food process, mining, oil and gas, refineries, environmental remediation and marine industries. Wastecorp’s fluid process product line includes: Plunger, diaphragm, self-priming centrifugal, dry prime centrifugal, double disc and vacuum pumps. Power sources: Electric, engine, hydraulic, pneumatic mounting: Mobile & stationary.

WESCOR WASTEWATER & ENVIRONMENTAL SYSTEMS 15700 Robins Hill Rd Unit 2 London ON N5V 0A4 T: 866-952-6523 519-659-6523  F: 519-659-6941 info@wes-cor.ca | www.wes-cor.ca Supplier of industrial and municipal wastewater treatment systems. Manufacturing innovative technologies to achieve compliance. All systems are designed for ease of operation, maintenance and durability, including: Industrial pre-treatment systems - continuous and batch, sludge dewatering equipment, clarifiers, dissolved air flotation, indexing filters, multimedia filters, customized chemical treatment programs.

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February 2020  |  95


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GUIDE TO ENVIRONMENTAL EQUIPMENT & SERVICE SUPPLIERS

Advertiser INDEX COMPANY PAGE ABB........................................................37 ACG-Envirocan ..............................98, 99 Aerzen....................................................19 All-Weld Company................................39 Annacis Research Centre.....................41 Associated Engineering.......................21 AWWA.....................................................68 Barr Plastics..........................................12 BCWWA..................................................97 BDP Industries........................................2 Bishop Water Technologies.................11 Blue-White...............................................7 Boerger..................................................59 Canada Life...........................................25 Cancoppas.............................................65 CANECT..................................................58 CB Shield...............................................42 Chemline Plastics.................................40 Crane Pumps & Systems........................3 Denso ....................................................10 Endress+Hauser....................................13 FCI – Fluid Components Int..................23 Flottweg..................................................9 Force Flow.............................................32 H2Flow ..................................................43 Harmsco Filtration Products...............51 Huber Technology................................35 HydraTek...............................................30 Hydro International.............................45 HydroFlow Canada...............................34 Imbrium Systems...............................100 International Water Supply.................51 IPEX........................................................28 Markland Specialty Engineering.........55 Mueller...................................................53 Myron L .................................................67 Netzsch Canada....................................44 Ontario Onsite Wastewater Assoc.......63 Orival.....................................................29 Pentair.............................................48, 49 Pro Aqua..................................................5 Revolmix Processing............................98 RV Anderson..........................................41 Service Filtration..................................43 SEW Eurodrive........................................8 Smith & Loveless..................................33 SPD Sales...............................................31 Stantec..................................................24 Titan Environmental Containment.....30 TRIECA...................................................97 Vanton Pump & Equipment.................17 VEGA Instruments.................................27 Victaulic.................................................15 Vissers Sales..........................................57 Walkerton Clean Water Centre............47 WTP Equipment....................................60 Xypex.....................................................61

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WESSUC INC. 1693 Colborne St E Brantford ON N3T 5L4 info@wessuc.com | www.wessuc.com WESTECH ENGINEERING INC. 3665 S West Temple Salt Lake City UT 84115 T: 801-265-1000 www.westech-inc.com

WESTECH INDUSTRIAL LTD. 1080 Clay Avenue Unit 4 Burlington ON L7L 0A1 T: 905-812-3993  F: 905-812-3995 frank.szukits@westech-ind.com www.westech-ind.com Contact: Frank Szukits, Technical Sales Varec digester/landfill gas flame arresters, relief valves, enclosed burners, regulators, sediment/ drip traps, manholes, hatches. Westech emissions monitoring, gas detection & instrumentation equipment. WILO CANADA INC. Bay 8 – 925 30th St NE Calgary AB T2A 5L7 T: 403-276-9456  F: 403-277-9456 info@wilo-canada.com Contact: Steffen Werner WISE ENVIRONMENTAL SOLUTIONS INC. 1115 Cathcart Blvd Sarnia ON N7S 2H4 T: 519-542-667  F: 866-277-3162 amanda@wiseenv.com | www.wiseenv.com Contact: Amanda Hubbard WOLSELEY CANADA INC. 210 Rexdale Blvd Rexdale ON M9W 1R2 T: 416-550-3675 linda.cooke-weaver@wolseleyinc.ca www.wolseleyinc.ca Contact: Linda Cooke-Weaver WORLD WATER OPERATOR TRAINING COMPANY INC. (WWOTC) Suite 202 – 1214 Ottawa St Windsor ON N8X 2E6 T: 866-622-6535  F: 519-974-9603 ctaylor@wwotc.ca | www.wwotc.com Contact: Chase Taylor

WTP EQUIPMENT CORP. 83 Nuggett Ct Brampton ON L6T 5A9 T: 905-799-3403  F: 905-799-6638 sales@wtpcorp.com | www.wtpcorp.com Contact: Ken Argyle, Engineering Manager Canadian manufacturer of wastewater headworks equipment, including: mechanical bar screens, heavy duty deep well bar screens, continuously cleaned fine (to 1 mm) filter belt and perforated plate screens, conveyor screens, septage screens, screenings presses, screw conveyors, aerated tank and vortex chamber grit collectors and grit classifiers. Customer service is provided from our Brampton, Ontario, facility.

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XYLEM 300 Labrosse Avenue Pointe-Claire QC H9R 4V5 T: 514-428-4875 www.xylemwatersolutions.com/ca

XYPEX CHEMICAL CORPORATION 13731 Mayfield Place Richmond BC V6V 2G9 T: 604-273-5265.  F: 604-270-0451 enquiry@xypex.com |  www.xypex.com Contact: Les Faure, Advertising & Promotion Director Xypex manufactures a range of concrete waterproofing and protection products used in the construction and restoration of water and sewage treatment plants, tunnels, manholes, and marine structures. Product line includes our crystalline waterproofing coatings and admixture as well as our Bio-San C500 antimicrobial additive and Megamix II repair material with Bio-San for the protection of concrete against microbial induced corrosion (MIC) in sanitary sewer systems and wastewater treatment plants.

ADDENDUM

CB SHIELD 39 Uplands Dr Brantford ON N3R 6H5 T: 226-802-1749. hal.stratford@cbshield.com | www.cbshield.com Contact: Hal Stratford A CB Shield® turns a regular street catch basin into a reliable stormwater quality treatment device. Existing streets can be retrofitted in minutes without disturbance, providing immediate and effective sediment and phosphorus control. Maintenance is provided through existing programs which need only tiny adjustments. ETV Verification ensures your approvals, backed up by many field studies. SWM Shield™ is an effective way to manage pond clean-out costs. LID Shield™ is an at grade life-cycle extender for bioswales and other SWM practices.

COOPER PUMP SOLUTIONS 21 Rodinea Rd Unit 3 Maple ON L6A 1R3 T: 1-833-360-PUMP. jbunston@cooperequipment.ca www.cooperpumpsolutions.ca Contact: Jason Bunston, General Manager Cooper Pump Solutions is a full-service specialty division offering turn key solutions to any project with water pumping needs. Cooper Pump Solutions understands the importance of time – so let us spec, design, install and operate your project’s water and sewage bypass needs from start to finish. Contact Cooper Pump Solutions today and we will make sure to find the perfect solution for you.

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Environmental

PRIMARY TREATMENT • Complete line of fine screening equipment • Self-cleaning perforated plate screens • FlexRake® front-raked fine screens • FlexRake® front-raked bar screens • FlexRake® Low Flow • Self-Cleaning trashracks • Muffin Monster® grinder (for sludge, scum, septage, screenings & wastewater) • Channel Monster® grinder for pump stations and sewage treatment plant headworks • Honey Monster® septage receiving station • Auger Monster® fine screen system • Monster® fine screen & band screen perforated plate fine screens with 2, 3 & 6mm perforations • Screenings washer/compactors • Rotating drum screens (down to 2mm perfs) • Raptor screenings washer press • Grit removal • Rotary drum screens SECONDARY TREATMENT • AquaNereda® Activated Granular Sludge Technology • Aqua-Jet® direct drive floating aerator • Aqua DDM mechanical floating mixer • Fine bubble aeration systems using membrane or ceramic diffusers with gas cleaning systems • Stainless steel coarse bubble aeration systems • Multi stage activated biological process (MSABP) • Two & three rotary lobe P/D blowers • Centrifugal multistage blowers • Hybrid screw/lobe compressors • Floating diversion curtains (for aerated lagoons, activated sludge systems & clear wells) • Subsurface jet aeration/mixing systems • Spiraflo & Spiravac peripheral feed clarifiers • Closed loop reactor oxidation ditch systems • Rotary brush aerators • High efficiency single stage integrally geared blowers • Direct drive turbo type blowers • Aeration system controls & instrumentation • Chain & flight clarifier systems & components (plastic, cast iron or stainless steel) • Half bridge, centre feed, circular clarifiers • Spiral blade clarifiers TERTIARY TREATMENT • AquaDisk® - cloth media tertiary filter • AquaDiamond® tertiary cloth media for traveling bridge filters • Filter Underdrain Systems HIGH EFFICIENCY MIXING TECHNOLOGY • High Performance Centrifugal Dispersing Impeller (HPCDI™) mixers

RPS

ADJUSTABLE SPEED DRIVES • Eddy current drives

TANK COVERS & DOMES • Aluminum geodesic domes • Flat aluminum and FRP tank covers • Aluminum channel and launder covers • Aluminum hatch covers DISINFECTION • UV disinfection systems • Package & custom ozone systems BIOSOLIDS PROCESSING/HANDLING • Sludge storage bins & live bottom dischargers • Rotary Drum Thickeners • Gravity Belt Thickeners • Belt filter presses & screw presses • Centrifuges for thickening & dewatering ODOUR CONTROL • Biofilters • Bioscrubbers • Carbon adsorbers • Chemical wet scrubbers • Ionized air BULK MATERIAL HANDLING • Shaftless & shafted screw conveyors • Screw pumps (open & closed designs) • Industrial grinders FLOWMETERS • Open channel flow metering (portable & permanent); wireless data transmission • Non-contact radar & submerged sensor area velocity flow metering (portable & permanent); wireless data transmission • Insertion mag flow meters with wireless data transmission • Data loggers with wireless data transmission INDUSTRIAL WASTEWATER TREATMENT • PCl Series DAF with corrugated plates • PWl Series DAF low profile, from 20·800 GPM • Pipe flocculators • Industrial wastewater treatment systems • Coalescing oil/water separators • Inclined plate clarifiers PACKAGE TREATMENT PLANTS • Package potable water treatment plants • Package sanitary wastewater treatment plants • Package industrial wastewater treatment plants • Package industrial process water treatment plants WATER TREATMENT • Pressure filtration systems (removal of iron & manganese, arsenic, fluoride, radium, uranium) • Filter Underdrain Systems

Engineering ®

VIKING CHAINS GROUP

e n v i r o S Y S T E M

d i v i s i o n

L E ADE R S I N I N N OVAT I O N & S U S TA I NA B I L I T Y

Ontario Pollution Control Equipment Association

I N T E G R AT O R S

CALL 905.856.1414 • 131 Whitmore Rd., Unit 7, Woodbridge, ON L4L 6E3

and more…

Visit Our NEW Website www.acg-envirocan.ca Today!


The newest Stormwater Treatment Technology

EF A continuation and evolution of the most globally recognized oil grit separator (OGS) - Stormceptor®

Removes pollutants at higher flow rates ◦ Sediment (TSS), free oil, debris, trash

Patent-pending treatment and scour prevention

Verified third-party OGS performance ◦ TSS Removal ◦ Scour Prevention ◦ Oil Capture & Retention

Design flexibility ◦ Single inlet ◦ Multiple inlets ◦ Grate inlet ◦ Submerged

Easy to install, inspect, and maintain

ISO 14034 Environmental Management – Environmental Technology Verified (ETV)

IMBRIUM SYSTEMS – info@imbriumsystems.com | (416) 960-9900 Stormceptor is manufactured and sold under license: Alberta to W. Ontario – Lafarge (403) 292-9502 British Columbia – Langley Concrete Group (604) 533-1656 Ontario – Forterra Pipe & Precast Inc. (519) 622-7574 Quebec – Lécuyer et Fil Ltée (514) 861-5623 Maritimes - Strescon Limited (506) 633-8877

®

www.imbriumsystems.com

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Environmental Science & Engineering Magazine (ESEMAG) | February 2020  

Environmental Science & Engineering Magazine’s February 2020 issue. This issue includes our annual Directory and Buyer’s Guide for the water...

Environmental Science & Engineering Magazine (ESEMAG) | February 2020  

Environmental Science & Engineering Magazine’s February 2020 issue. This issue includes our annual Directory and Buyer’s Guide for the water...

Profile for esemag