Asphalt Contractor June/July 2019

JUNE/JULY 2019

JURGENSEN NAVIGATES HISTORIC

P3 PROJECT IN OHIO

TECHNOLOGY SPOTLIGHT: • IMPLEMENTING GPS TRACKING • HOW TECHNOLOGY IMPROVES PLANT OPERATIONS • IMPROVING WORK ZONE SAFETY WITH FUTURISTIC TECHNOLOGY

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HOW TO PROTECT YOUR CREW FROM SILICA DUST EXPOSURE

purchasing more equipment from LeeBoy in the future.” –Scott Flores, Empire Parking Lot Services, California “I've been paving for 3 generations, the absolute best investment we’ve made as a company was buying a LeeBoy. If you’re thinking about buying one, stop thinking and make the best decision of your life. Thank you LeeBoy I will be spreading the word!” –Don Hopkins, D&H Paving, New Egypt, New Jersey “Best paver made in the USA. Parts always available. Designed with the paving professional in mind. LOVE IT. Other pavers to me are not an option.” –Alan Taylor, Connecticut “I’ve been in the paving business for 30 years and wouldn’t pave with anything but a LeeBoy!” –Jeff Jarzombek, USA Seal & Stripe LLC, Celebration, Florida “I have been laying asphalt for 32 years now. I come from a time when we used to lay asphalt with a ‘dragbox’. I used to dream of a machine like the LeeBoy paver. In my opinion there is no better or labor-friendly machine like the LeeBoy. From the 1000 to the 8515, the work output and quality is simply unparalleled.” –Frank Cidade, Cidade Blacktop, Massachusetts “Can’t beat a LeeBoy. They’re tanks. It feels wrong to use any other brand. They last forever and are very comfortable.” –Nick Stanley, California “The Legend Heavy-Duty Electric Screed on our 8520 produces an impeccable mat. The noticeable level of quality continues to bring us repeat business and new referrals.” –Shawn Lail, Carolina Paving, Hickory, North Carolina “My old 8515 laid 510 ton on a church lot in Hopkinsville, KY today. Ain’t even broke a sweat yet, might even stop and do a small drive on the way home. Suns up,“IT'S “Sons” working.

Still as sweet todayARE as theSTILL day l bought it.” –Randy Bennett, Bennett & Sons Paving, Kentucky “I wouldn't use any SEE THERE other machine except for aNICE LeeBoyTO paver.

They are strong machines. Very friendly staff when you have questions. Couldn't ask for a better machine.”

–Derek Heater, BlackSOME Rock & Sons Paving, Honesdale, Pennsylvania to operate and results in a high production paving AMERICAN COMPANIES OUT"LeeBoy’s 8520 paver is simple–Dan operation. No job is too big or too small. Our 8520 produces a quality mat day in and day out!" “NO Zuber, Cunningham JOB IS TOO BIGPaving, OR Cleveland, Ohio “I switched from a LeeBoy paver MAKING only to return. ” –Robert Wadsworth, Nevada "I'm a mid-size paving contractor, and for me, THERE EQUIPMENT THATSunrise Asphalt, Las Vegas,TOO SMALL. OUR LEEBOY there's no better machine made. The versatility of the sizes available is amazing. Even the small LeeBoy can tackle the largest project with ease. I tell LAST LONG AND WORKS everyone LeeBoy is the reason my family and I are fed. WELL.” Have been and will continue to bePRODUCES a customer for A life."

–Noah Williams, QUALITY MAT SOS Paving LLC, Tennessee “We’ve been doing asphalt paving since 1975 and owned seven LeeBoy asphalt pavers – from the 700 all the way to the 8816, we would Scottthey Flores, Empire Services, DAY DAY OUT!" use no other asphalt–paver, are the best Parking machines.Lot Designed with the paving professional in mind,IN GOAND LEEBOY OR GO HOME!” –Robert George, The Asphalt Company, Michigan “Great machine!!!

The Legend screed makes for flawless seams!!!”

–Matt Lundberg, Lundberg Paving and Excavating, Orange, California – Dan Zuber, Cunningham Paving, Brockway, Pennsylvania “I just bought a LeeBoy 8616C. Very good machine, lays a great mat, powerful engine, very fluent controls.” –Thomas Clements, C&C Asphalt, Inc, Scottsboro, Alabama “BEST pavers, best people. Factory tour shows true commitment to manufacturing the GOLD Cleveland, Ohio standard of asphalt equipment.” –Henry Welch, Valley Supply, Hagerstown, Maryland “By far the best designer paver I have ever operated. Great customer service as well.” –Noah Cardamone, Waynesboro, Virginia “LeeBoy pavers are the only way to go. Hands down the best.” –Rocky Young, Louisiana Paving Company, Minden, Louisiana “My family business has been using LeeBoy for 3 generations now! When it comes to asphalt, SMI Paving is ‘LeeBoy Proud’ always!” –Jack Smith, SMI Paving, Fort Mill, South Carolina “I’ve been running LeeBoy equipment for over 20 years. Their pavers truly are ‘designed with the paving professional in mind’. These machines hold up better than any others too!” –Kevin Piona, Mr. Blacktop, Gilroy, California “LeeBoy is the best machine I’ve ran, period, enough said!” –Warren Anderson, Cambridge, Minnesota “LeeBoy is second to none. I’m a third generation paving contractor and they’re all we use. Professional results for the professional contractor.” –Rich Cooper, Colchester, Connecticut “Love our LeeBoy paver. Wouldn’t trade it for any other brand!” –Matthew Mordis, Asp-Con Asphalt Paving, Caseyville, IL “It's nice to see that there are still some American companies out there making equipment that last long and works well. We will definitely be purchasing more equipment from LeeBoy in the future.” –Scott Flores, Empire Parking Lot Services, California “I've been paving for 3 generations, the absolute best investment we’ve made as a company was buying a LeeBoy. If you’re thinking about buying one, stop thinking and make the best decision of your life. Thank you LeeBoy I will be spreading the word!” –Don Hopkins, D&H Paving, New Egypt, New Jersey “Best paver made in the USA. Parts always available.

Designed with the paving professional in mind. LOVE IT. Other pavers to me are not an option.” –Alan Taylor, Connecticut “I’ve been in the paving business for 30 years and wouldn’t pave with anything but a LeeBoy!” –Jeff Jarzombek, USA Seal & Stripe LLC, Celebration, Florida “I have been laying asphalt for 32 years now. I come from a time when we used to lay asphalt with a ‘dragbox’. I used to dream of a machine like the LeeBoy paver. In my opinion there is no better or labor-friendly machine like the LeeBoy. From the 1000 to the 8515, the work output and quality is simply unparalleled.”

–Frank Cidade, Cidade Blacktop, Massachusetts “Can’t beat a LeeBoy. They’re tanks. It feels wrong to use any other brand. They last forever and are very comfortable.” –Nick Stanley, California “The Legend Heavy-Duty Electric Screed on our 8520 produces an impeccable mat. The noticeable level of quality continues to bring us repeat business and new referrals.” –Shawn Lail, Carolina Paving, Hickory, North Carolina “My old 8515 laid 510 ton on a church lot in Hopkinsville, KY today. Ain’t even broke a sweat yet, might even stop and do a small drive on the way home. Suns up, “Sons” working.

Still as sweet today as the day l bought it.” –Randy Bennett, Bennett & Sons Paving, Kentucky “I wouldn't use any other machine except for a LeeBoy paver. They are strong machines. Very friendly staff when you have questions. Couldn't ask for a better machine.” –Derek Heater, Black Rock & Sons Paving, Honesdale, Pennsylvania "LeeBoy’s 8520 paver is simple to operate and results in a high production paving operation. No job is too big or too small. Our 8520 produces a quality mat day in and day out!" –Dan Zuber, Cunningham Paving, Cleveland, Ohio “I switched from a LeeBoy paver only to return.” –Robert Wadsworth, Sunrise Asphalt, Las Vegas, Nevada "I'm a mid-size paving contractor, and for me, there's no better machine made. The versatility of the sizes available is amazing. Even the small LeeBoy can tackle the largest project with ease. I tell everyone LeeBoy is the reason my family and I are fed. Have been and will continue to be a customer for life." –Noah Williams, SOS Paving LLC, Tennessee “We’ve been doing asphalt paving since 1975 and owned seven LeeBoy asphalt pavers – from the 700 all the way to the 8816, we would use no other asphalt paver, they are the best machines. Designed with the paving professional in mind, GO LEEBOY OR GO HOME!” –Robert George, The Asphalt Company, Michigan “Great machine!!! The Legend screed makes for flawless seams!!!” –Matt Lundberg, Lundberg Paving and Excavating, Brockway, Pennsylvania “I just bought a LeeBoy 8616C. Very good machine, lays a great mat, powerful engine, very fluent controls.” –Thomas Clements, C&C Asphalt, Inc, Scottsboro, Alabama “BEST pavers, best people. Factory tour shows true commitment to manufacturing the GOLD standard of asphalt equipment.” –Henry Welch, Valley Supply, Hagerstown, Maryland “By far the best designer paver I have ever operated. Great customer service as well.” –Noah Cardamone, Waynesboro, Virginia “LeeBoy pavers are the only way to go. Hands down the best.” –Rocky Young, Louisiana Paving Company, Minden, Louisiana “My family business has been using LeeBoy for 3 generations now! When it comes to asphalt, SMI Paving is ‘LeeBoy Proud’ always!” –Jack Smith, SMI Paving, Fort Mill, South Carolina “I’ve been running LeeBoy equipment for over 20 years. Their pavers truly are ‘designed with the paving professional in mind’. These machines hold up better than any others too!” –Kevin Piona, Mr. Blacktop, Gilroy, California “LeeBoy is the best machine I’ve ran, period, enough said!” –Warren Anderson, Cambridge, Minnesota “LeeBoy is second to none. I’m a third generation paving contractor and they’re all we use.

Professional results for the professional contractor.” –Rich Cooper, Colchester, Connecticut “Love our LeeBoy paver. Wouldn’t trade it for any other brand!” –Matthew Mordis, Asp-Con Asphalt Paving, Caseyville, IL “It's nice to see that there are still some American companies out there making equipment that last long and works well. We will definitely be purchasing more equipment from LeeBoy in the future.” –Scott Flores, Empire Parking Lot Services, California “I've been paving for 3 generations, the absolute best investment we’ve made as a company was buying a LeeBoy. If you’re thinking about buying one, stop thinking and make the best decision of your life. Thank you LeeBoy I will be spreading the word!” –Don Hopkins, D&H Paving, New Egypt, New Jersey “Best paver made in the USA. Parts always available. Designed with the paving professional in mind. LOVE IT. Other pavers to me are not an option.” –Alan Taylor, Connecticut “I’ve been in the paving business for 30 years and wouldn’t pave with anything but a LeeBoy!” –Jeff Jarzombek, USA Seal & Stripe LLC, Celebration, Florida “I have been laying asphalt for 32 years now. I come from a time when we used to lay asphalt with a ‘dragbox’. I used to dream of a machine like the LeeBoy paver. In my opinion there is no better or labor-friendly machine like the LeeBoy. From the 1000 to the 8515, the work output and quality is simply unparalleled.” –Frank Cidade, Cidade Blacktop, Massachusetts “Can’t beat a LeeBoy. They’re tanks. It feels wrong to use any other brand. They last forever and are very comfortable.” –Nick Stanley, California “The Legend Heavy-Duty Electric Screed on our 8520 produces an impeccable mat. The noticeable level of quality continues to bring us repeat business and new referrals.” –Shawn Lail, Carolina Paving, Hickory, North Carolina “My old 8515 laid 510 ton on a church lot in Hopkinsville, KY today. Ain’t even broke a sweat yet, might even stop and do a small drive on the way home. Suns up, “Sons” working. Still as sweet today as the day l bought it.” –Randy Bennett, Bennett & Sons Paving, Kentucky “I wouldn't use any other machine except for a LeeBoy paver. They are strong machines. Very friendly staff when you have questions. Couldn't ask for a better machine.” –Derek Heater, Black Rock & Sons Paving, Honesdale, Pennsylvania "LeeBoy’s 8520 paver is simple to operate and results in a high production paving operation. No job is too big or too small. Our 8520 produces a quality mat day in and day out!"

–Dan Zuber, Cunningham Paving, Cleveland, Ohio “I switched from a LeeBoy paver only to return.” –Robert Wadsworth, Sunrise Asphalt, Las Vegas, Nevada "I'm a mid-size paving contractor, and for me, there's no better machine made. The versatility of the sizes available is amazing. Even the small LeeBoy can tackle the largest project with ease. I tell everyone LeeBoy is the reason my family and I are fed. Have been and will continue to be a customer for life." –Noah Williams, SOS Paving LLC, Tennessee “We’ve been doing asphalt paving since 1975 and owned seven LeeBoy asphalt pavers – from the 700 all the way to the 8816, we would use no other asphalt paver, they are the best machines. Designed with the paving professional in www.ForConstructionPros.com/10075155 mind, GO LEEBOY OR GO HOME!” –Robert George, The Asphalt Company, Michigan “Great machine!!! The Legend screed makes for flawless seams!!!”

–Matt Lundberg, Lundberg Paving and Excavating, Brockway, Pennsylvania “I just bought a LeeBoy 8616C. Very good machine, lays a great mat, Would you like to see your quote on a LeeBoy ad? Visit leave a 5-star review. powerful engine, very fluent controls.” –Thomas Clements, C&C Asphalt, Inc, facebook.com/VTLeeBoy Scottsboro, Alabamaand “BEST pavers, best people. Factory tour shows true commitment to manufacturing the GOLD standard of asphalt equipment.” –Henry Welch, Valley Supply, Hagerstown, Maryland “By far the best designer paver I have ever operated. Great customer service as well.” –Noah Cardamone, Waynesboro, Virginia “LeeBoy pavers are the only way to go.

Hands down the best.” –Rocky Young, Louisiana Paving Company, Minden, Louisiana “My family business has been using LeeBoy for 3 generations

TRUST LEEBOY

TRUST LEEBOY. AS DEPENDABLE AS YOUR DAY IS LONG.

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3 generations

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Contact our Product Support team today at 407-290-6000 or visit www.gencor.com

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TABLE OF CONTENTS |

JUNE/JULY 2019

COVER STORY Jurgensen Navigates Historic P3 Project in Ohio Paving company tasked with providing long-life structure for 16-mile Southern Ohio Veterans Memorial Highway project. | 54 SPECIAL REPORT: TECHNOLOGY SPOTLIGHT

10 Improve Work Zone Safety with Technology D.E. Gemmill implements futuristic flagging technology to remove flaggers from traffic.

14 How to Successfully Implement GPS Tracking at your Asphalt Company Telematics solutions like GPS tracking help contractors manage both employees and an evolving fleet.

18 State DOTs Saving Time, Money with Nondestructive Testing Systems Delamination between asphalt layers underneath the surface of pavement is often due to layer debonding or stripping, which typically is not visible. New tech can help.

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26 How GPS Rovers Improve Construction Project Management Technology’s ability to accurately measure projects with unprecedented speed offers contractors new ways to monitor progress and maintain quality control.

36 Tech Product Spotlight The latest tech trends to help contractors improve productivity.

PRODUCTION NOTES

44 Technology Improves Asphalt Plant Operations Plant owners can rely on automation to enhance work flow as production challenges grow.

50 Production Products Plants, baghouses, mixers, dryers, automation, etc.

ASPHALT CONTRACTOR JUNE/JULY 2019

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JOBSITE INNOVATIONS

PRESERVATION UPDATE

60 Replacing Concrete with Asphalt at DFW Airport

68 Dealer Support Helps Chambers Excavating Dig in to Soil Stabilization

The busiest runway at Dallas-Fort Worth International Airport, 13,000+-foot Runway 17C/35C, is once again open for use.

62 Attracting NextGen Construction Workers Calls for Change of Mind A changing workforce requires rethinking construction roles and re-branding the industry’s image.

Ownership change brings new direction for Oklahoma City contracting firm.

71 How to Protect Crews and Company from Silica Dust Silica dust safety tips.

74 Preservation Products Milling machines, reclaimers, infrared equipment & more.

65 Jobsite Products Pavers, rollers, MTVs & more.

IN EVERY ISSUE 8

Editor’s Perspective

82 The Last Exit www.ForConstructionPros.com/Asphalt

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DIGITAL CONNECTION www.ForConstructionPros.com/Asphalt

President Trump Agrees to a $2 Trillion Infrastructure Bill

[VIDEO] 9 Construction Tech Trends to Watch in 2019 Nine construction technology trends you must keep your eyes on in 2019 range from autonomous vehicles and exoskeletons to robots, artificial intelligence and cloud computing.

Pelosi & Schumer cautioned they had not agreed on how to pay for a $2 trillion package to improve the nation’s roads, bridges, waterways and broadband, but that they had decided to meet next month to solicit Trump’s ideas.

*C

M an

Search: 21065843

Search: 21067352

What We Learned at the 2019 TCC Fly-In The TCC Fly-In is an annual event that brings together contractors, the planning and design community, safety professionals, material producers and equipment manufacturers to advocate for transportation funding. Here’s what you missed at the 2019 event.

The Asphalt Pavement Alliance honors six state departments of transportation for their success with long-life asphalt roads.

Search: 21067714

Search: 21067774

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APA Announces 2018 Perpetual Pavement Award Winners

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LATEST INNOVATIONS FOR ASPHALT PROFESSIONALS LATEST INNOVATIONS FOR ASPHALT PROFESSIONALS

Published by AC Business Media.

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CONTRACTOR

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Published and copyrighted 2019 by AC Business Media. All rights reserved. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording or any information storage or retrieval system, without written permission from the publisher.

Asphalt Contractor (ISSN 1055-9205, USPS 0020-688): is published ten times per year: January, February, March/April, May, June/July, August, September, October, November, December, with an additional Buyer’s Guide issue published in August by AC Business Media, 201 N. Main Street, Fifth Floor, Fort Atkinson, Wisconsin 53538.

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EDITOR’S PERSPECTIVE

JUNE/JULY 2019 • Vol. 33, No. 5

ASPHALT

Jessica Lombardo, Editor

CONTRACTOR LATEST PROFESSIONALS LATEST INNOVATIONS FOR ASPHALTPROFESSIONALS LATEST INNOVATIONS FOR ASPHALT

Published by AC Business Media

jLombardo@ACBusinessMedia.com 920.542.1247

3 Tips to Tech Adoption Construction productivity could increase by $1.6 trillion if it caught up to the global economy

A

s humans, we are inherently adverse to change. We get it. Remember when you had no desire to have a camera, phone and computer in your pocket but now you can’t imagine life without that cellphone?

That’s how tech adoption happens. You don’t know you need something until you can’t live without it. Unfortunately for the construction industry, tech adoption is happening far too slowly and it’s impeding on our growth.

The global engineering and construction sector holds the dual distinctions of being one of the world’s largest industries, yet one of its least efficient. According to a study by McKinsey & Co., productivity growth in the industry has averaged just 1% each year over the past two decades, compared with a 2.8% growth rate for the global economy as a whole.

McKinsey’s research also found that if construction productivity were to catch up with that of the total economy, the sector’s value added would increase by an estimated $1.6 trillion, adding about 2 percent to the global economy.

Such a gain is equivalent to about half of the world’s annual infrastructure need.

So why are we as an industry so slow to adopt technology when we know it will make our lives easier and make us more money?

Contractors who are early tech adopters are using their experience to gain an edge over their competition. That should be you. This entire issue is packed with contractors who are leveraging technology to streamline their business and make more money.

Here are a few easy ways to start integrating technology in your business: 1. Streamline Operations: Identify your pain points and then research solutions.

Telematics systems are moving to asphalt equipment and the data technology provides

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can improve maintenance schedules and operations. Plant control systems on the production side can dramatically improve your processes at the asphalt plant and can help protect your expensive plant investment.

2. Get Employee Buy-In: Construction technology is only as good as the workers who use it. If a company or project is investing in expensive tech like software or machinery for their workers to effectively do their jobs, it’s only going to provide value if it’s used and used properly.

3. Provide Tech Training: Purchasing new technology is the easy part but proper use come from proper training. Simply having the technology in place won’t lead to any game-changing results if your employees don’t know how to use it. No matter the technology or software, you need to also invest in a training and support program that will take adoption to the next level.

The pressure for contractors to adopt technology is real. The number of players in the industry compared to projects available is increasing, making a more productive system attractive for a competitive edge. The price of productivity-enhancing technology is also falling so it’s more accessible for those who consider cost a hindrance to adoption.

Project owners are also demanding the data behind the work which should be what’s really motivating contractors to change. Players that don’t rethink their approaches may be left behind and we don't want that to happen to you. Check out the technology the asphalt industry has adopted, or should become familiar with, in the pages of this issue. Let's put more money back in your pocket by completing jobs faster and better.

Always happy to hear your thoughts: jlombardo@acbusinessmedia.com

ASPHALT CONTRACTOR JUNE/JULY 2019

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OFESSIONALS OFESSIONALS OFESSIONALS

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13333 Highway 24 West Fort Wayne, IN 46814 Tel. (260) 672-3004 Fax. (260) 672-3020 www.almix.com www.ForConstructionPros.com/10071910

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TECHNOLOGY MATTERS |

BY ALLAN HEYDORN, CONTRIBUTING EDITOR

How to Improve Work Zone

Safety

D.E. Gemmill implements futuristic technology to remove flaggers from traffic

A

s the construction season moves into high gear so does the threat of injury in work zones. Ashley Buckingham, D.E. Gemmill marketing director, cites the following Federal Highway Administration figures for 2017: • A road work zone crash occurred once every 5.4 minutes • 70 work zone crashes occurred daily resulting in at least one injury • 12 work zone crashes occurred weekly resulting in at least one fatality • Work zones are inherently dangerous places. About 800 people are killed and 42,000 are injured in work

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ASPHALT CONTRACTOR JUNE/JULY 2019

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zones every year, and these numbers continue to climb.

With this data, it’s no surprise D.E. Gemmill, a pavement marking contractor in Red Lion, PA, has work zone safety as on of their company missions. This year, D.E. Gemmill is incorporating an Automated Flagger Assistance Device, the Guardian SmartFlagger from Site 2020, into their temporary on-road work zones to reduce the possibility of worker injury.

Buckingham says the new technology incorporates familiar visual aspects into the automated system. In addition to a flag mounted to a barrier arm, there are red (for stop) and yellow (precede with caution) lights to reinforce the position of the flag. The devices are designed for short term projects, typically 12 hours or less, but can be used extending through multiple shifts by

The Guardian Smartflagger is MUTCD (Manual on Uniform Traffic Control Devices) Compliant.

simply rotating out the human operator. The company intends to use the technology and supply the service for striping, paving, utility work and similar short-term construction projects.

“This technology is an alternative to placing flaggers in harms way, and reduces the danger to workers while providing a safe and secure method to manage traffic,” Buckingham says.

“We’re a safety-oriented company so we’re always looking to the future and what we can do to improve safety. We want to take advantage of any technology that comes our way to be able to improve the safety of not only our crew, but workers and the traveling public moving through a work zone.”

www.ForConstructionPros.com/Asphalt

5/14/19 9:58 AM

FOCUS ON HIGHWAY STRIPING Started in 1986 as a pavement maintenance company, D.E. Gemmill employs 60 people and generates 46% of its work from long-line striping, 14% from parking lot striping, 13% from providing traffic control to other contractors and municipalities, 1% from sealcoating and cracksealing, and the remainder from the manufacture of street, road and construction signs. They also have a stand-alone retail operation which provides traffic control and work zone products, safety devices and apparel.

Buckingham says D.E. Gemmill handles all of its own traffic control, only hiring a traffic control subcontractor for large, long-term projects. She says 68% of the company’s employees are traffic-control certified through either the American Traffic Safety Services Association (ATSSA) or the Maryland State Highway Administration. The contractor’s pavement marking technicians are certified through the Mid-Atlantic Technician Certification Program.

The SmartFlagger system saves real-time video for up to seven days so video can be used to record incidents, accidents or unlawful acts.

REMOVING FLAGGERS FROM THE WORK ZONE Buckingham says D.E. Gemmill learned of the Guardian SmartFlagger technology at the recent ATSSA Traffic Expo and decided to pursue it. A month later they were training on it in the field.

The traditional flagger operation exposes two workers to the driving public -- one at each end of the work zone, working with Stop/Slow paddles and communicating by walkie-talkie or cell phone. One flagger opens his end of the zone to traffic while the other flagger stops traffic from entering the zone. Both flaggers are in the work zone and exposed to traffic as it enters or exits the work zone.

The SmartFlagger system on the other hand, does not expose a worker to the traveling. It is operated via tablet by a crew member safe in their vehicle nearby the work zone. The SmartFlagger uses devices at each work zone entrance with an arm bar that is raised and lowered through the tablet to prevent traffic from entering the work zone. There are cameras on each unit which allows the operator to view both ends of the automatic flagging operation. In most circumstances, these units can be set up 1.2 miles apart, creating a work zone approximately 1

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mile long that can be controlled by one person. The cameras create a live, realtime video feed which is connected to a tablet.

One flagger sits within the work zone, between the automated flagging devices and monitors the video and controls the traffic through the work zone based on the live video feeds. The operator determines when to raise and lower an arm to let traffic through depending on the traffic conditions seen through the live video feeds.

The system can be safely interrupted anytime to allow emergency vehicles to pass through the work zone. In the event of a work zone intrusion, a 118-decibel alarm alerts the construction personnel that there might be an upcoming threat to their safety.

The SmartFlagger can be operated automatically with proven timers and calculations when required, however most states require a human operator to be present and monitoring the device at all times.

Buckingham says the system is not meant to be used as an automatic traffic control device without a person monitoring the traffic and deciding when to raise and lower the arms.

“Flaggers still need to be certified to set up the SmartFlagger, and there still must be a certified flagger on the job to run the system,” she says. “But now there’s a flagger in a safe location instead of being out in the traffic.”

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TECHNOLOGY MATTERS

A COMPANY SAFETY FOCUS Safety is always top of mind for D.E. Gemmill. Buckingham says the company conducts weekly “toolbox talk” sessions that include a safety element each week and hosts annual safety meetings all employees must attend.

“Safety is something we always pride ourselves on, keeping our personnel safe out there and keeping the drivers safe,” she says. “The whole safety aspect helps separate us from our competition and this Automated Flagger Assistance Device is not only something new, but it shows how we’re looking out for our flaggers and making construction zones a little safer. Construction zones are inherently dangerous places to work so whatever we can do to make it safer for our people to work in them and for people to drive through them we want to do.”

Buckingham says that research has shown motorists are 200% more likely to comply with an automated device than with a human flagger.

“Drivers are not typically looking for live people to direct them through traffic,” she says. “People are used to seeing automated traffic control devices like stoplights and have a better response to them.”

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The Guardian SmartFlagger is approved for use in more than 40 states.

For more information on work zone safety, visit ForConstructionPros. com/21021837

Designed for use on short-term projects, the SmartFlagger features a flag mounted to a barrier arm and red and yellow lights to reinforce the position of the flag.

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TECHNOLOGY MATTERS |

BY JESSICA LOMBARDO, EDITOR

How to Successfully Implement

GPS TRACKING at your Asphalt Company Telematics solutions like GPS tracking help contractors manage both employees and an evolving fleet

T

he construction industry is moving fast. In order to keep up with changing trends and evolving fleets, contractors have turned to telematics, fleet management and GPS tracking for help.

However, there is still a large amount of uncertainty when it comes to your

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employees and GPS tracking. According to a survey conducted by TSheets, only 16% of employees surveyed that have not yet had experience with GPS tracking have a positive opinion of this type of technology. That’s because many employees haven’t been properly educated on the benefits, they only hear that they’re being tracked and immediately don’t welcome the idea.

However, 54% of employees surveyed who have been tracked with GPS at work in the past have a positive opinion of the technology, while only 5% have a negative opinion. This is proof that communication and education are

The construction industry is moving fast. In order to keep up with changing trends and evolving fleets, contractors have turned to telematics, fleet management and GPS tracking for help.

key to successful adoption of GPS tracking technology.

HOW CAN FLEET MANAGEMENT HELP YOUR COMPANY? Telematics technology uses GPS tracking, onboard diagnostics and telecommunications to give you a detailed picture of the status of your fleet.

ASPHALT CONTRACTOR JUNE/JULY 2019 www.ForConstructionPros.com/Asphalt

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TECHNOLOGY MATTERS Telematics technology uses GPS tracking, onboard diagnostics and telecommunications to give you a detailed picture of the status of your fleet.

Some of the equipment and vehicles you use may already have telematics built-in. If they don’t or if you use equipment from different manufacturers, installing third-party telematics can better integrate all the available data so you get a unified view of your fleet.

Fleet management can specifically help boost profits and efficiency in these three areas: 1. Equipment Efficiency: Fleet telematics measure factors such as vehicle speed, how often drivers brake, number of miles driven, routes taken, or the frequency of unusual detours or stops. This information can help you identify inefficiencies and make corrections.

2. Equipment Maintenance: Telematics allows fleet owners the ability to monitor the status of all vehicles, equipment and machinery automatically. It measures and records a vehicle’s odometer, tire pressure, fuel efficiency and oil levels and alerts you when a vehicle is due for maintenance.

3. Equipment Profitability: Telematics can help you bill for projects and bid on jobs more accurately. Since you can track your vehicle and equipment use down to the minute and monitor related costs such as fuel and maintenance, you can better calculate the cost of each project and create more accurate estimates.

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“ClearPath has improved our business by allowing us to easily track our entire fleet of work trucks. The GPS integration has also helped save us time and money,” Shane Springer with Ramsey Asphalt says.

REAL WORLD SUCCESS STORY Ramsey Asphalt, a full-service commercial and residential asphalt paving company in California, knows the value of this technology first hand. Their fleet consists of 25 vehicles, all with different activity and maintenance needs. The company was having a difficult time streamlining their fleet and needed a solution.

“We continually invest in the latest technology to stay ahead of the curve,” Shane Springer with Ramsey Asphalt says. “We decided to implement GPS tracking to keep track of our fleet of work trucks and to see how long they are out in the field on job sites.”

Ramsey researched GPS options and eventually chose ClearPath GPS for their needs. The software company offered a no-risk trial and no contract so Ramsey Asphalt could make sure it was a good fit before diving in.

“We have a fleet of 25 vehicles, from superintendent and mechanic truck to dump trucks, oil trucks, water trucks, seal trucks and a striping box truck,” Springer says. “Each vehicle costs us $25 per month for the software for a total of $625 a month.”

Springer said at his company, his employees were on board with the telematics solution to help them streamline their business.

“We solved the need for time cards along with keeping tabs on maintenance,” Springer adds.

“ClearPath has improved our business by allowing us to easily track our entire fleet of work trucks.

The GPS integration has also helped save us time and money. Running reports on our entire fleet or specific vehicles has never been easier.”

ClearPath was on hand to help with the simple “plug and play” installation of the hardware as well as training.

“The biggest reward has been not only saving money, but the GPS reliability,” Springer says. “Knowing when and where our trucks are at any given time, reducing fuel costs, enhancing safety and reducing the financial loss due to theft is proving to be very rewarding.”

Springer adds that an unexpected benefit to the software has been helping the prevention of poor driving from his employees.

For more information on telematics solutions, visit ForConstructionPros. com/21021648

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TECHNOLOGY MATTERS

Testing out the IE/SASW system with the New Mexico Department of Transportation.

Photo courtesy of New Mexico Department of Transportation

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State DOTs Saving Time, Money with Nondestructive

Delamination between asphalt layers under the surface of pavement is often due to layer debonding or stripping, which is typically not visible early on; new technology can help

T

he average driver can usually see when pavement deterioration becomes problematic—there will be tearing or rutting on the surface of the road or cracking in wheel paths that decreases safety on the roadway. Underneath the surface of the pavement, however, the signs of deterioration existed long before they were visible and experienced by drivers.

Delamination between asphalt layers underneath the surface of pavement is often due to layer debonding or stripping, which typically is not visible, especially in the early stages. Additionally, manual destructive methods for evaluating pavement problems can be time consuming and expensive for state DOTs and other transportation agencies.

State DOTs, however, have found ways to address these challenges through advanced technologies out of the second Strategic Highway Research Program (SHRP2), a partnership between the Federal Highway Administration (FHWA), the American Association of State Highway and Transportation Officials (AASHTO) and the Transportation Research Board. SHRP2 solutions are a comprehensive and data-driven set of products, procedures and best practices meant to help transportation agencies save time, money and lives through innovative solutions to common transportation

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TECHNOLOGY MATTERS

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challenges. One solution—Advanced Methods to Identify Pavement Delamination (commonly referred to as R06D)—features two nondestructive testing (NDT) technology systems that can spot problems beneath the surface of the asphalt in a safer, faster and less expensive way than previously done.

“Right now for state designers, the way to truly evaluate pavement is taking cores,” Stephen Cooper SHRP2 renewal pavements engineer and FHWA product lead for R06D says. “It’s a very slow process, and a destructive one. You’re also impacting the traveling public.

The great thing about SHRP2 NDT technologies is they provide DOTs with information right away so they can identify problem areas in advance and further examine to address the issue.”

Six state DOTs tested the NDT technologies included in R06D through the SHRP2 Implementation Assistance Program (IAP), which provided

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The IE/SASW system up close.

Photo courtesy of AASHTO

financial assistance and technical guidance from subject matter experts.

GPR LEADS THE WAY One technology included in R06D is 3D ground penetrating radar (or 3D-GPR). The 3D-GPR technology can detect certain delamination issues, using an antenna array with a frequency sweep that can be operated at highway

speeds (over 60 miles per hour). The wide antenna array reduces the number of passes required to cover the lane width, allowing operators to cover larger areas at a time. The technology can also be used to gather other subsurface information, such as the location of utilities. Since the technology can be used at highway speeds, DOTs can utilize the technology in live traffic,

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TECHNOLOGY MATTERS eliminating the need for closures—a real benefit to drivers.

The 3D-GPR technology has the potential to be a helpful tool to identify moderate to severe distress as part of a systematic coverage plan of a highway network. GPR data analysis requires a skilled technician to identify distressed locations though as automated distress recognition software improves, the level of manual data analysis lessens.

“Pavement stripping is a big problem in Minnesota, so we were very interested in the 3D-GPR to effectively and reliably detect this deterioration in asphalt pavements,” Dr. Shongtao Dai, research operations engineer at the Minnesota Department of Transportation (MnDOT) says.

MnDOT used the 3D-GPR to collect measurements on multiple pavements, some located at MnDOT’s MnROAD test track. These measurements were evaluated and correlated with data from 200 cores taken in 2016.

The results were encouraging, as the technology allows DOTs to pinpoint areas for further investigation, rather

A close-up of the mounted 3D-GPR system.

Photo courtesy of AASHTO

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than a hit or miss approach.

However, the 3D-GPR does have its limitations. It cannot distinguish new debonding problems where the bond between the asphalt lifts is weak.

For the technology to be effective, the asphalt layers being tested must be separated with air or water.

Still, the benefits are real for state DOTs. The California Department of Transportation (Caltrans) found that 3D-GPR made large area surveys more cost-effective. Caltrans experienced a 120:1 return on investment for data acquisition when compared to the experience of single-channel GPR systems.

The Kentucky Transportation Cabinet (KYTC) had so much success with the single-channel GPR on several forensics projects (a $3.7 million in savings) that it is moving to the 3D-GPR system.

“We intend to adopt the 3D-GPR system in lieu of other single-channel radar systems on selected pavement rehabilitation projects in the future, with the hopes that the multi-channel unit will provide superior depth resolution and detail to that of a single-channel unit,” KTYC program manager Brad Rister adds.

THE FUTURE OF TESTING The other technology system included in the R06D product is Spectra Analysis of Surface Waves (SASW) and Impact Echo (IE), two separate technologies used together to help identify the location of pavement delamination with automated test frequency every six inches in less than 1 percent of the time required by manual point testing.

The software uses a real-time display to monitor the quality of the data collection. IE identifies variations in the pavement, though improved analysis requires the hot-mix asphalt to be cool and stiff.

SASW technology can identify variations in the top seven inches of pavement as long as the analysis uses a reasonable value for the stiffness of pavement.

Like with the 3D-GPR, there are limitations with these technologies.

IE measurement has limited ability to identify exactly how severe the delamination may be and cannot measure pavement conditions below

the first level of damage. SASW measurement also has a limited ability to show how severe the delamination is and is unable to measure pavement conditions below the first level of damage. This technology requires a lane closure, as it works at walking speeds.

Even with its limitations, state DOTs see how it could be helpful moving forward. Caltrans, which also evaluated the SASW/IE technology, sees value with additional time and work.

“We believe that SASW/IE hardware and software and show future promise and we will continue to monitor its development and revisit the economics of acquisition as the technology matures and additional data needs develop within Caltrans for pavement evaluation and monitoring,” Bill Owen, chief of the geophysics branch at Caltrans says.

The SHRP2 program comes to a close this summer, but as those who have utilized these technologies can attest, the R06D product including 3D-GPR, SASW/IE will continue to mature and gain popularity due to the opportunity to save time and money.

“By having more information about what’s underneath the pavement, states can make better decisions as to how they’re going to repair or rehabilitate those pavements,” Mike Heitzman National Center for Asphalt Technology assistant director says. “This technology allows for that additional information, which could ultimately impact the bottom line of a transportation agency in a positive way.”

Additional information on the technologies included in Advanced Methods to Identify Pavement Delamination (R06D) is available at http:// shrp2.transportation.org/Pages/R06D. aspx. To learn more about the technology systems and their specific uses, contact SHRP2 Renewal Pavements Engineer and FHWA R06D product lead Stephen Cooper at Stephen.J.Cooper@dot.gov.

For more information on ground penetrating radar, visit ForConstructionPros. com/21043672

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TECHNOLOGY MATTERS |

BY GREGG WARTGOW, CONTRIBUTING EDITOR

How GPS Rovers Improve Construction Project Management Technology provides the ability to accurately measure projects, monitor progress and maintain quality control

G

PS-based technologies help construction companies in a range of ways. One end of the GPS spectrum is something as simple as equipment location tracking. At the other end is automated machine control.

Somewhere in between, technologically, is the use of GPS rovers to measure features on a project site with nearsurvey accuracy in just minutes.

A rover is a small GPS receiver with data collecting, and usually transmitting, capability. Its ability to quickly and inexpensively measure and report work in progress offers contractors enhanced insights into their production.

Generally, a rover works in combination with a satellite base station located somewhere on or near the jobsite. That stationary base station improves the accuracy of a rover’s position data.

“GPS on the typical cellphone provides accuracy in the 3- to 30-meter range,” Casey Cyrus, business area manager for site positioning systems, Trimble says. When grading and excavating, 3 to 30 meters is not accurate enough. “You need that base station and

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Trimble’s SPS986 GNSS Smart Antenna can function as either a rover or base station. Rovers are common where machines are using GPS-assisted grade control, but their speed and accuracy in measuring site features makes them valuable even without grade automation on site.

correction stream to really dial in the accuracy of the site positioning. With today’s rovers, we’re talking about less than an inch horizontal and slightly more than an inch vertical — about the size of a golf ball.”

In some instances, a base station may no longer be necessary. “With strong cellphone signals available in more areas

EN

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TECHNOLOGY MATTERS today, you can sometimes walk anywhere with a rover and connect to the internet without needing a base station,” Javier Ramirez, professional services lead, Topcon Positioning Group says.

“One option is using a network like TopNET and sometimes a municipality might offer CORS stations (continuously operating reference stations). This can be a good thing for a construction crew that doesn’t want to have to set up that base station in the morning.”

Base station or not, the accuracy relates to latitude and longitude position as well as elevation. Civil construction tends to

Topcon’s FC-5000 Field Controller runs Windows 10 on fast processors for calculating volumes and making comparisons on a sunlight-readable 7-in. display.

focus on creating elevations that ensure controlled water drainage. “If we can do that to within an inch, in most cases that is accurate enough for preparing driveways, road surfaces and really all types of construction projects,” Cyrus points out.

The ability to measure a site to golf ball-size accuracy in a very short time can also be used to monitor project

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progress. Using rovers to measure work in progress gives project managers a better understanding of material use and, as importantly, material, labor and equipment needs.

MORE SATELLITES, MORE RELIABILITY When choosing a rover system, constellation support is a crucial feature. The common term “GPS” (Global Positioning System) only tells part of the story.

Today’s rovers also pull positioning data from other satellite constellations.

The Global Navigation Satellite System

(GNSS) includes not only GPS satellites, but also GLONASS, Galileo, BeiDou and others.

“The more satellites [your rover] can see, the stronger your positioning data will be,” Cyrus says. “Also, if you ever lose connection with one satellite, you can keep on going. And if you’re ever working in a heavily wooded area, you might not have as great a line of sight to the sky. Working off of multiple satellite systems helps.”

“The good thing about GNSS rover technology is that it is proven,” Ramirez adds. “Productivity has been a huge factor in the adoption of this technology and hardware.”

HOW THEY’RE USED IN CONSTRUCTION A common rover application is to measure grade. A single grade checker with a rover can walk a site, capturing elevation measurements at any point.

“Everything on the display screen tells them exactly what needs to be done,” Ramirez says. “The jobsite becomes a digital representation in their field controller device. They can see where they are at any given moment. They can also see important information like cuts or fills to finish grade or subgrade. A rover does all of this in one simple step.”

Tony Dalla is an estimator with T&R Excavation in Parker, CO. Dalla helped spearhead the company’s adoption of Trimble rover technology and satellite-guided machine control over the past year.

Working for an 11-year-old company in growth mode, Dalla says the T&R team has yet to put actual pen to paper to calculate the ROI. That said, the positive impact on both productivity and profitability has been obvious.

“Once we have the project model set up on the computer, we can check grade at any point,” he relates. “We are not surveyors, but we can get a lot of work done before they show up; then they just need to confirm that we did it correctly.

We’re confident that we’ll always be within spec on final grade. Sometimes it’s a tiny bit of touch-up work here or there, but the process is really sped up thanks to the rovers.”

Dalla shares a story of how rovers helped complete a rework project the company was recently awarded. “A client was having some issues with drainage and wanted us to get it right for them.

We went to the site with our rover. We saw that the perimeter was correct, but the interior wasn’t,” he explains. “We used the rover to capture data on the perimeter. From there, we created a design for what the final surface should be, which allowed us to determine how much fill we would have to dispose of to get the final grade right. In a relatively short time, we had a fairly detailed number on how much work it would take to do this project.”

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TECHNOLOGY MATTERS Measuring stockpiles is another common application. An individual can take a rover and walk around the perimeter of the stockpile to capture its size, then walk up the slope to take shots of both sides to determine its height.

Software accompanying the rover calculates the volume of material in that stockpile.

“A report can be created based on that data,” Ramirez says. “There are also cloud solutions that allow the data to go from the field to a web service to be shared from there.”

T&R uses its rovers to measure stockpiles. “This is very helpful if we’re the second contractor on a project,” Dalla notes. “When someone has already done the overlot and needs someone to haul off whatever the spoils are going to be, we can predict that to a pretty solid degree of certainty.”

Construction firms can also use rovers to measure the amount of material being moved around a jobsite.

“You could put rovers on trucks to count the haul trips,” Ramirez explains. “You can even have sensors on equipment to count the cuts and fills over the course of a day.”

Locating jobsite features is another practical application. A digital model of the project identifies things like sewer lines, edges of buildings, curbs and medians. The rover helps pinpoint those locations so they can be staked out in much quicker fashion. A user simply views the digital project plan on a mobile device, and then follows their satellite position until they reach the desired feature.

HOW THEY’RE DEPLOYED One method to deploy a rover is to carry it in a backpack. The challenge is that the height of the rover above ground is not constant; it varies every time the person carrying it takes a step.

“This method is OK if all that is Rovers, such as this Topcon HiPer HR GNSS Receiver, can measure most features on a job site, including stockpile volumes, for gauging production and predicting resource needs.

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needed is a rough grade,” Cyrus says.

“This method can also be used for bulk earthmoving and measuring stockpiles.”

Rovers can also be mounted on a pole, which provides a more constant height of instrument (HI). “In Trimble’s case, we have a 2-meter pole below the rover,” Cyrus says. “That pole sits on the ground to provide the most accuracy...

We can take a measurement, take a few steps and take another measurement, and continue that to cover the entire surface in a grid.

“From there, we can create a surface model so we can do volume calculations day by day. Then we can see how far we still need to go to the design surface. We can say we need X amount of material brought in, or perhaps X amount taken out. You can also decide which equipment is best suited to whatever needs to be done.”

GPS rovers can be mounted on vehicles as well. Like the pole-mounted rovers, there is a constant HI, plus the vehicle-mounted method is faster, making it ideal for measuring larger sections of a construction site or locating jobsite features. The challenge is a proneness to error on sloped surfaces.

That’s where a newer rover method comes into play: vehicular-mounted with IMU (inertial measurement unit), which helps to identify a vehicle’s angular rate. “We recently launched this type of technology with dynamic tilt functionality,” Cyrus says. “We’ve taken the rover that was mounted to a truck, but can now measure down at the angle of the vehicle’s tilt to project straight down to the wheels and surface below the vehicle to build the surface from that. In this scenario, we get better accuracy on sloped surfaces.”

Cyrus offers the following example to explain the benefits of IMU technology.

On a 20° slope at 2 meters high, there would be an error of roughly 13 cm using a vehicle-mounted rover without IMU. With IMU, that error is reduced to 13 mm. “This allows you to drive a large section of property and accurately create the original ground,” Cyrus says. “From that, you can compare the original ground surface to the proposed

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Other Site Measuring Technologies There are other types of technology available to help you to measure and manage projects, each with its pluses and minuses.

In the case of a total station, Topcon’s Casey Cyrus says you can get to an accuracy level of 1/8th inch.

“A robotic total station follows a pole with a prism on it, or the machine with the cutting edge on it, which helps get down to that really smooth surface for concrete paving and checking concrete surfaces,” he says. “So when looking for the smoothest ride possible, go with a total station. The big drawback is that you need to maintain line of sight to the total station. With a rover, all you need is line of sight to the sky, which most construction sites have.”

Drones have also been increasingly popular in construction, though their accuracy varies. “When using proper techniques, you can achieve golf ball-size accuracy with respect to elevation,” Cyrus says. “You can also get more data faster than walking or driving a surface. You can get data for about every inch as opposed to the typical 10-ft. grid. That helps capture all of those surface undulations that might get missed. The big drawback with drones is that you need good weather in order to fly them and capture your data points.”

Rovers can actually go to the extreme of gridding a property at an inch. However, there is rarely an instance where somebody would want that level of detail. “There’s a balance there,” Cyrus states. “What is the data you’re really after? Is a drone-based surface model too much? Many times it is. The data has to be thinned down to that 1- to 10-meter grid, depending on the total size of the surface, so today’s computers can process the data.”

One other site measuring method is photogrammetry, which is using photos to create points and measure distances. This method is not as accurate, but as Cyrus points out, it all depends on what you’re after. “If you’re simply looking to replace stockpile measurements and don’t want to walk the stockpiles, photogrammetry could be an option,” he says.

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design and get volume calculations.”

Topcon also offers rovers with integrated IMU sensors. Ramirez says integration with IMU is an important step forward for rover applicability. So is integration with total stations, which is also starting to happen. “When rover data integrates with total station data, that typical half-inch error of a rover is basically eliminated,” he points out.

GETTING DATA TO DECISION MAKERS The data that a rover collects is only useful if it’s readily available to the project managers who need it. There are multiple ways of disseminating rover data.

“A rover isn’t just a GPS head,” Cyrus notes. “Trimble is using Windows 10 Professional data collectors. We’re using 7- and 10-in. tablets with high processing power, 7-in. survey controllers with a full keyboard, as well as hand devices similar to a cell phone. In other words, the user has choices.”

In each case, data points are collected and the software performs volume calculations and comparisons on the spot.

“If you want to send that information to the office, cloud-based software allows you to,” Cyrus adds. “People in the office can stitch reports together based on data sets from several surveyors, or even conduct further analysis such as mass haul. For example, the

Rovers can be deployed in various ways, including mounted on vehicles to cover larger areas faster. Trimble's T10 tablet collects and views site data using the Windows 10 Enterprise operating system, with fast processing and a 10-in. screen for viewing maps and designs, preparing and sharing progress reports.

crew has a lot of cut in this area and a lot of fill down road. How much cut from this section will they need to haul to that other zone, and what’s the surplus or deficit? Do I need to source more material? You could even determine how many haul trucks you are going to need.”

Topcon’s field controller is also a Windows 10 device. Various apps and software allow field workers and office staff to share files, such as jobsite design files, back and forth. Field workers can capture site measurement data throughout the project and share that data with office staff, general contractors and other stakeholders.

The larger point is that the data is real-time, and it’s accurate — helping you to improve productivity, quality and cost control.

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Verizon Connect Workforce Management Solution Workforce is a one-stop solution that can help operations and fleet managers plan, monitor, dispatch and capture form data from the field.

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The ITS Flagging Baton posts a GPS location and flagger activity to XML feeds for access by transportation devices and major navigation data services.

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FLIR T1010 Thermal Imaging Camera The FLIR T1010 HD thermal imaging camera offers a lower-cost entry point to the T1K cameras while offering the same 1024 x 768 (786,432 pixels) HD detector as the T1020.

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TECHNOLOGY MATTERS Libra Systems NextGen Silo Safety System The NextGen Silo Safety System guards against the most dangerous and expensive accident that can occur at an asphalt plant – inadvertently opening the wrong silo. Equipment damage, personal injury, litigation and lost production are all consequences of a silo accident. The NextGen3 Silo Safety System is designed to dramatically reduce these risks.

• Significantly reduces the possibility of opening the wrong silo • Independent of, and compatible with, existing automation and manual switches; it blocks attempts to open the wrong silo • No operator interaction normally needed – it’s always on guard • Fully graphic screen • Automatically detects space between cab and trailer • Auto-alerts for potentially defective sensors ForConstructionPros.com/21041587

MINDS Inc. LiveLoader App for Asphalt Plants LiveLoader provides the loader operator with a real-time dashboard of practical contextual information regarding plant production.

• All vital production information and statistics are now available inside the cab, in plain sight, updated in real-time • Current mix and percentages, next mix scheduled, feeders in use, amount of stone needed, levels and no-flow sensors, plus time-to-empty countdowns are displayed Information is graphically displayed for intuitive understanding at a glance • LiveLoader is available for Android devices and runs on a ruggedized tablet

Vögele Introduces Witos for Paving Applications • At the end of a day's paving, job-site reports are sent automatically by e-mail to selected recipients

• The app and the paver are networked via WLAN, so information can be exchanged between the machine and the foreman’s smartphone, even where there is no mobile phone connection ForConstructionPros. com/21064547

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BOMAG Bomap Compaction Assistant Bomap from BOMAG is the solution for the digital earthworks and asphalt construction site; it can be used to document work results on site in real time.

• The app can be installed on standard Android tablets and smartphones and documents passes via GPS for every roller, regardless of make • The result can be exported as a PDF and shows the customer the compaction performance achieved on the construction site in a transparent and comprehensible way • For BOMAG rollers, the app can record additional readings and thus create documentation for continuous compaction control (CCC) • BOMAG will also be launching the Bomap cloud platform via which the machines in use can network with each other. This enables numerous additional functions and analyses that can be called up and implemented anywhere via Bomap ForConstructionPros.com/21064597

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Tenna Fleet Tracker Tenna Fleet Tracker provides precise GPS tracking and transmits telematics data for cars, trucks and heavy vehicles.

• Includes location, speed, engine hours and other important information needed to manage your fleet • Get alerts and monitor maintenance, fuel costs and analytics to maximize vehicle and driver performance • Can be installed via OBD or JBUS connection ports • Ultra-compact and can be concealed during installation in most cases ForConstructionPros. com/21048593

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Trimble Expanded PULSE Field Management Platform The Trimble PULSE field management suite has been enhanced with an advanced telematics platform that connects, monitors and manages assets to enable intelligent decisionmaking and timely actions. It provides a single platform for service, equipment and fleet managers to collaborate and connect their workflows to allow for improved sharing of information.

• SaaS-based and modular system allows users to share real-time information, perform usage and utilization analysis and monitor performance, safety and compliance of assets and drivers • Scalable telematics platform brings enhancements to the existing suite with a new, intuitive user interface and expanded dashboard to view and share key fleet and equipment management functions, including: • Fleet optimization - Vehicle diagnostics to optimize fleet operating costs by monitoring fuel consumption and idle time to maximize productivity • Driver safety - Driver behavior reporting and insights to reduce risk and improve safety • Equipment utilization - Real-time visibility to see where equipment is deployed and how it is being used to ensure equipment is in the right place at the right time • Reduced downtime - Plan and execute preventative maintenance to extend the life of assets and reduce downtime related to maintenance and repairs ForConstructionPros. com/21049916

Live GPS vehicle tracking automatically monitors the comings and goings of your fleet and sends you text or e-mail alerts when ignition events occur or geofence boundaries are crossed.

• Simple, easy to use software web platform and apps • Provides a complete history of every route a driver took or every stop made over the last year • Ignition summary, engine hours and periodic maintenance reports help ensure equipment stays in peak shape • Integrations include routing software, field service management software, ELD/HOS, fleet maintenance and more ForConstructionPros. com/21061506

Stansteel Tank Tracker The Stansteel Tank Tracker has the ability to accurately measure and monitor the tank and silo levels in real time and at multiple remote locations.

• Accurately measures liquids, solid materials and even bulk powders like mineral filler and can do so in cold or elevated temperatures • From your smart device, you will be able to manage all your silos and tanks on one screen.

You can see real time levels and temperatures.

Tap on a tank or silo to see more information on your equipment • With the Tank Tracker, contractors can switch views with the navigation bar to see active status of that tank or component and the alarm set points.

• While Tank Tracker can be used to monitor only a few tanks and components, it can be greatly expanded to a full tank farm management system that will automatically and remotely select AC tank’s supply and return valves from the control room ForConstructionPros. com/21059879

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• System automatically gathers and centralizes relevant information such as quantities, temperatures, number of trucks loaded, current truck locations, job site arrival estimations, number of trucks returning or queuing for more loads, current screed width, current paver speed, and amount of roadway laid • The entire paving team can be reached immediately with smooth communication. If the mix needs to be adjusted the field crew can signal the asphalt plant. They can also ask to expedite material and send more or fewer loads • Home office has access to the realtime data for daily job management • Automatically generates digital weigh tickets at the plant • Weigh tickets are delivered to the truck driver’s app • Geofence recognition of haul-truck arrival at the job site ForConstructionPros. com/21063374

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PRODUCTION NOTES |

BY JESSICA LOMBARDO, EDITOR

Technology Improves Asphalt

PLANT OPERA

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RATIONS

Plant owners rely on automation to enhance work flow as production challenges grow

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mplementing technology at your asphalt plant is really no longer an option but a necessity to keep your operations running smoothly and your customers happy. Automation control systems help streamline everything from ticketing to mix quality and plant owners can’t afford to skip this technology.

“Technology is changing at such a rapid pace with new automation processes happening everywhere in the world and the asphalt industry is by no means immune to that,” Ted Christian strategic account manager with WEM Automation says. “We face the same challenges and needs to adapt as any other industry out there. Those producers who embrace this mindset and understand it are going to be far ahead from those who resist it.”

From the demands of a quality mix to the ever growing desire for sustainability, asphalt plants need to have every tool at their disposal to reduce costs and grow profits.

‹ Automation control systems help streamline everything from ticketing to mix quality and asphalt producers can’t afford to skip out on this technology.

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The extensive use of graphics at the asphalt plant is a key component to automation as the human brain can process information from a dynamic picture much faster than assimilating numbers.

IMPROVING PLANT EFFICIENCIES Since plant control systems were introduced nearly two decades ago, their use has evolved drastically. What they were mainly designed for however, to improve plant operations, has remained constant.

“Automation has already significantly improved plant efficiencies over the last two decades but there are always new features being developed,” Pierre Vidaillac group CEO at MINDS, Inc. says.

“As electronics and computers are more and more reliable, the downside effect of more sensors and other systems having an adverse effect on overall reliability is not an issue anymore.”

This means automation can help plant owners avoid any unforeseen errors that tend to occur with a complex system like an asphalt plant, preventing downtime and lost production capacity.

“Automation is “watching” the plant all the time, alarming the operator of potential issues before they become fullscale problems,” Ken Cardy, president of Libra Systems says. “Automation can track the run-time of each piece of equipment and alert the operator when preventative maintenance is due.

“By proactively maintaining the equipment (rather than waiting for it to fail), plant downtime is greatly minimized. The extensive use of graphics is also a key component, as the human brain can process information from a dynamic picture much faster than assimilating numbers.”

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Plant controls also allow operators to get the most out of their plant and help ease what can sometimes be intense working conditions associated with a stressful plant environment.

“Operating an asphalt plant manually while achieving modern performance targets isn’t possible anymore,” Vidaillac says. “It isn’t just about human errors, but also about the capacity of a human brain to monitor and check so many variables and process values. Human errors are not totally prevented, but automation systems act as an operator’s assistant.”

REGULATIONS DRIVE ADOPTION Speaking of modern performance targets, the requirements for meeting mix specifications and government benchmarks have become more stringent in the last decade as quality can be measured immediately during the paving process.

While automation has already significantly improved plant efficiencies, increased regulatory initiatives are really what will drive technology adoption as plant owners are being tasked with creating higher quality mixes.

“Today, we’re getting much faster feedback on the quality of the workmanship out on the jobsite,” Christian says. “Therefore the product needs to be on target going out the door and automation is critical to delivering consistent mix quality. You don’t have the time to make the corrections that you may have had in the past and the penalties for not meeting mix specs are only getting greater.”

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PRODUCTION NOTES Remote ticketing dramatically improves the speed and throughput of your operations, plus safety, by keeping drivers in their trucks and out of the control house.

Through automation, you can virtually guarantee achieving pay factor bonuses by knowing exactly what is going into your mix and at what rates.

“It is the main goal of the automation system to monitor and pilot the process of making asphalt to make sure it is as good as expected,” Vidaillac says.

“In other words, if the raw material is good and if the process is good, the result will be good. By qualifying the process rather than waiting for sample analysis, a good automation system can detect faulty conditions and prevent the waste of hundreds of out of spec tons of asphalt.”

While obtaining data instantaneously is a huge asset, correcting those errors right away is an even larger asset of automation.

“Automation is not just about consistency, it’s about data,” Christian adds. “Any deviations that might occur that deter the mix quality can be caught right away. By using the data you’re receiving instantaneously from the plant automation, adjustments can be made immediately to correct errors from virtually anywhere.”

Manufacturers want plant owners and operators to see automation as protection for their investment and a way to increase profits.

“Resistance to change is a human condition for which our industry is not exempt,” Cardy says. “In addition to meeting with owners and demonstrating how automation can help their business, we refer them to other clients with similar circumstances. These clients are eager to testify about the benefits they realized after installing automation.

It is extremely compelling when other asphalt plant owners share the value and efficiencies they experienced.”

And when it comes to achieving those pay bonuses, can you really put a cost on quality?

“Automation leads to less waste, less operator mistakes, more compliance, the ability to control complex plant

layouts, better mix quality and more,” Vidaillac adds. “In fact, justifying the current market cost of automation systems is not a question anymore as many production and mix specifications could simply not be achieved consistently otherwise.”

Of course with any type of technology, return on investment is dependent on the circumstance and what is being replaced, but Cardy says payback is often less than a year and as early as one week.

“Control systems are literally the central nervous system of an asphalt plant. In this capital-intensive business, the cost of the technology and automation is a very small part of the overall investment needed to produce a mix,” Christian adds. “The ROI or cost per ton to implement automation systems compared to the overall cost of an asphalt plant is literally pennies when you look at the life cycle of an automation control system.”

This lack of familiarity when it comes to cost vs. benefit is really what deters implementation, Christian says.

“You look at how our industry has been a leader in adopting the use of drones for safety and greater inventory control. With this innovative use of technology, it would seem that the next logical step would be to explore similar advancements in plant automation.”

For more information on asphalt plant automation, visit ForConstructionPros. com/12118787

PROTECTING PLANT INVESTMENT The asphalt industry is notorious for not wanting to take on a lot of technology willingly both because of the lack of comfort with it and the costs owners associate with implementation.

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PRODUCTION NOTES Stansteel Combo Plants Combo Plants combine new, used or reconditioned equipment from different suppliers and manufacturers to create an effective and low cost alternative to buying an all brand new plant.

• Can save the contractor $1 million, $2 million or more over the price of an all new hotmix asphalt facility

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Heatec's Additive Storage Tank

Maxam Safe-Sampler Maxam Safe-Sampler is a totally enclosed sampling system that provides the means to safely dispense liquid asphalt into containers without the danger associated with open sampling.

• Door interlock keeps valve closed when placing and removing container • Heated spool, valve and spout for free flow of liquid • Full view high-temperature glass allows observation • Lightweight aluminum construction • Easy installation

Heatec storage tank for liquid additive at a HMA plant.

• Heated by hot oil and also available with electric heating • Available with or without insulation • Also available in horizontal/portable configuration • Available in a variety of capacities

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Systems Equipment Total System Control (TSC) The Total System Control (TSC) is a plant control system to start, stop and monitor motors and manually load from silos. It is designed to be universally used in any plant, regardless of motors used and their function.

• Completely configurable to match plant needs • Capable of using multiple displays in order to accommodate all required buttons for plant operation • Touch-screen monitors available to mimic control-console feel ForConstructionPros.com/12129243

Tarmac Baghouses Tarmac offers stationary, portable or skid mounted baghouses.

• Up to 40-in. negative pressure drop capable construction • Center section welded to hopper for fast set-up • Clean air duct built into baghouse upper • Enclosed pulse valves

CWMF Dust-Eater Baghouse The Dust-Eater baghouse is offered in a portable or stationary configuration, ranging in size from 10,000 CFM to over 100,000 CFM • 3/16-in. shell construction • 7-ft. x 10-ft. x 12-ft. inlet knockout box is equipped with a series of deflectors and louvers that minimizes the amount of larger fines (+200 mesh) from entering the bag chamber. This allows the unit to collect the finer particulate for efficiency and aids in prolonged bag and component life

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PRODUCTION NOTES WEM4000 Camera Interface The WEM4000 camera interface can be used for many viewing and recording activities throughout the plant. The pictures can be displayed on the main system monitor or on multiple monitors simultaneously. Data can be captured and recorded electronically.

• For ticketing, pictures of the truck sides with their names and pictures of the truck license numbers can be viewed, recorded, digitized and stored with transaction records. This permanent record helps track all truck activity in your facility and resolve order disputes • Video can be used to view inside of truck compartments, approaching vehicles, plant areas or hundreds of other uses ForConstructionPros.com/20996646

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PHCo Lo-Density Unitized Storage Tank Heaters

LIBRA SELF-SERVICE

KIOSKS “The Libra Self-Service Kiosks pay for themselves over and over again!”

The Libra Self-Service Kiosks allow material suppliers to increase revenue by handling more truck traffic without increasing the number of operators. The kiosks increase customer satisfaction by reducing in-yard times, and by allowing the extension of site operating hours.

Benefits include: • Increases truck throughput without increasing costs • Allows operating hours to be extended for less cost • Frees scale house operators to handle other responsibilities • Significantly reduces data entry & ticket errors • Reduces in-yard times • Improves customer satisfaction • Quickly and automatically identifies trucks • Controls truck flow

P.O. Box 366, 220 Stahl Road, Harleysville, PA 19438 • 215-256-1700 • www.librasystems.com

Process Heating Company’s Lo-Density unitized storage tank heaters may be installed into any above-ground tank or vat, and dissipate controlled heat as low as three watts per square inch on the heater’s sheath to prevent coking or damaging of sensitive material.

• Unique drywell-style elements reside inside the sheath making them accessible from outside of the tank and eliminating the need to drain the tank to service the elements • Electric heat offers 100% energy efficiency • Customizable dimensions make units easy to install into either horizontal or vertical tanks/vats ForConstructionPros.com/12031566

Astec Voyager 140 Portable Asphalt Plant The Voyager 140 can produce up to 140 tph with up to 50% RAP. • Portable plant can be transported and set up and tested in about a weeks time due to fixed duct work • Double Barrel Drum with standard V-Flights provide uniformity of aggregate veil for effective and efficient heat transfer ForConstructionPros.com/21064763

www.ForConstructionPros.com/10073668

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Astec Fury Burners A robust build and simple, accessible construction makes the Astec Fury burner a low cost alternative to more expensive total air designs.

• Designed to put 50% more combustion air through the burner than competitive designs with the balance of the combustion air drafted in around the burner nose. This means higher combustion quality, better emissions and higher combustion efficiency throughout the entire firing range • Rapidly swirling, high-energy air is the key to the Fury burner’s efficient combustion

Magnum Systems Open Mouth Incline Auger Packer Magnum Systems newest open mouth bag filling machine, the Incline Auger Packer, Open-Mouth (IAPO), has been developed by collaborating with customers in the asphalt industry.

• The IAPO bagging scale is designed to package heavy, hard to flow materials (like cold patch asphalt) and is designed to fill bags between 40 to 120 pounds at up to 6 bags/min ForConstructionPros. com/21066550

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ADM HMI Controls Asphalt plants often have dozens or even hundreds of switch wires. An HMI can help reduce the number of wires to just a few paired with a communication cable. This can mean reduced downtime during maintenance.

• ADM offers Human Machine Interface (HMI) Controls to help simplify plant control houses. This involves replacing manual switches with a programmable logic controller (PLC)-based HMI control system, such as a monitor and mouse or touchscreen • ADM offers free remote online troubleshooting that can eliminate the need for a service visit if the system is connected to the internet ForConstructionPros.com/21026250

DESIGN. ENGINEERING. M A N U FA C T U R I N G .

SERVICE.

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If you store liquid asphalt, blend asphalt emulsions or polymer modified asphalt, Heatec is your one source for everything from tank farms to asphalt terminals. Heatec will design and build a system for you that is efficient, durable and easy to use and provide world class parts and service support 24/7. Learn more at www.heatec.com.

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JOBSITE INNOVATIONS |

BY JESSICA LOMBARDO, EDITOR

Jurgensen Navigates Historic

››

in Ohio

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Paving company was tasked with providing a long-life structure for the 16-mile Southern Ohio Veterans Memorial Highway project

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he John R. Jurgensen Company made history by helping complete the Ohio Department of Transportation's (ODOT) massive Southern Ohio Veterans Memorial Highway (State Route 823) project.

And they helped make it happen in less than four years —three years and eight months, to be exact.

Finished in November 2018, the Portsmouth Bypass helps drivers avoid approximately 26 mi. of U.S. routes 52 and 23 through the City of Portsmouth in Scioto County. By avoiding 30 traffic signals, 80 intersections and 500 driveways, ODOT estimates a travel time savings to be 16 minutes.

This massive project was able to be completed in such a short amount of time due to the Public Private Partnership (P3) ODOT entered with the Portsmouth Gateway Group (PGG). While many asphalt contractors may not be familiar with P3 projects, Jurgensen successfully navigated the complex P3 environment and looks forward to more projects of this massive scale.

requests for qualifications (RFQ) before the request for proposal (RFP) stage hits. The RFQ for this project went out in June of 2013 and the project was bid in September of 2014.

Financial close, which served as the award for the bid, happened in April of 2015.

Jurgensen was invited to be a part of a joint venture that included Dragados USA and Beaver Excavating. The project consisted of excavating twenty million cu. yds. of rock, paving sixteen miles of fourlane divided highway, constructing twenty-one new bridges and five new interchanges. Construction activities began during the summer of 2015 while the design was still in process.

Mainline paving occurred between April of 2017 and November of 2018.

BID & BUILD The Portsmouth Bypass has been a gleam in ODOT’s eye since the 1960’s (see sidebar) but they were only able to move forward with the full scope of the project when the Private Public Agreement (PPA) was completed with PGG. The agreement paired ODOT and PGG with a highly detailed project, cost and time commitment – bringing the best value to the public via private expertise through an effective partnership.

With a P3 project, many project developers insist on receiving multiple

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JOBSITE INNOVATIONS

For the project’s 20 million cu. yds. of earthmoving, Beaver Excavating was averaging 1 million cubic yards of excavated material a month with six machines running. The project’s “earthmoving” consisted of 97 percent rock — sandstone, shale and limestone — that was blasted every day. Beaver Excavating also made cuts as deep as 200 ft. and used the material for fill on other parts of the project which included 3-ft. of shot rock placed for a roadbed layer prior to paving.

“ODOT is our largest customer traditionally, so when they wanted to build this, their largest project to date, we were very interested,” Chris Kunz, Jurgensen director of project management says. “Our local ties to

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the area with both asphalt production and aggregate capabilities, as well as our local workforce, made us a key part of the group.”

For the project's 20 million cu. yds. of earthmoving, Beaver Excavating was averaging 1 million cubic yards of excavated material a month with six Hitachi machines running. The project's “earthmoving” consisted of 97 percent rock — sandstone, shale and

limestone — that was blasted every day.

Beaver Excavating also made cuts as deep as 200 ft. and used the material for fill on other parts of the project which included 3-ft. of shot rock placed for a roadbed layer prior to paving.

INTRICATE PAVING PROCESS After the excavated rock bed was placed, it was Jurgensen’s turn to work. The

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The Southern Ohio Veterans Memorial Highway is a Design Build Finance Operate and Maintain (DBFOM) Public Private Partnership that is Ohio’s first venture into the P3 arena. This 16-mile long, four lane highway through Appalachia is one of the first rural P3s in the country.

company brought in their Astec Six Pack Portable Plant to service this project.

“Our company purchased the property adjacent to the project where the plant is now located,” Kunz says. “We installed three silos at this site in order to achieve both high production and high quality. Another Jurgensen Company, Valley Asphalt, supplied the mix.”

The base was a typical ODOT 302 bituminous mix placed in a 4-in. lift.

230,500 tons of mix was placed for the base. The intermediate and surface courses were both ODOT 448 mixes.

The intermediate layer consisted of 94,500 tons of Ty 2 placed 1.75-in.

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thick. 63,000 tons of surface course was paved 1.25-in. thick.

“Since this project was constructed with a 3-ft. shot rock roadbed layer under all of the pavement, it allowed a thinner than normal pavement section to be placed,” Kunz says.

During the paving process, it was very important to Jurgensen and the project owner to minimize longitudinal joints and specifically to not have a joint between the traveled lanes. By not creating a longitudinal joint between the lanes, the developer, who is maintaining this pavement for the next 35 years, is expecting a much longer service life than with a normal paving process.

“In order to accomplish this, we purchased a special, heavier screed from Caterpillar,” Kunz says. “This allowed us to pave 24-ft. wide for the vast majority of the 16 mile roadway on the surface lift. The benefit to our team was the education that we acquired doing this. We are now able to utilize this method for other customers in other locations.”

99% of the mix was placed with a Caterpillar AP1055F paver with the specialized high density screed and most of the rolling was done with Caterpillar CB54 XW rollers. The

99% of the mix was placed with a Caterpillar AP1055F paver with a specialized high density screed. Most of the rolling was done with Caterpillar CB54 XW rollers. The intermediate and surface mixes were installed with the use of a Roadtec SB-2500 Shuttle Buggy to prevent segregation. The company also rented a Vögele Super 700-3i paver to pave the 4-ft. shoulders on the project.

intermediate and surface mixes were installed with the use of a Roadtec SB-2500 Shuttle Buggy to prevent segregation. The company also rented a Vögele Super 700-3i paver to pave the 4-ft. shoulders on the project.

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P3 Success The Southern Ohio Veterans Memorial Highway is a Design Build Finance Operate and Maintain (DBFOM) Public Private Partnership that is Ohio’s first venture into the P3 arena. This 16mile long, four lane highway through Appalachia is one of the first rural P3s in the country.

A new bypass has been talked about in Scioto County since the early 1960’s. ODOT completed a feasibility study in the early 2000’s and in 2013 started the bidding process. But ODOT first decided to see if any companies were interested in a P3, given the size and scale of the project.

The $634.3 million project started in 2015 and took 3-1/2 years to build. Had ODOT done the entire project itself, it would have been completed in three phases and only the first phase would have been finished by now. ODOT estimates the P3 allowed the project to be completely finished approximately ten years ahead of schedule. But that timeline is only accurate if ODOT would have been able to secure the funding for additional phases, something they likely would not have been able to do.

“We were only financed through phase one construction,” Lloyd MacAdam, P.E., P.S. chief engineer and assistant director for transportation policy at ODOT says. “With the P3, we were able to take advantage of an independent financing company to come in and basically build the route for us all at once. So we got all three phases built at one time and have it opened to traffic all at once rather than in phases.”

The P3 allows ODOT to pay off construction costs over 35 years, during which the developer will operate and maintain the highway. The only responsibility ODOT has for the road is clearing snow and ice. The Portsmouth Gateway Group (PGG) will maintain the road over the next several decades as part of the agreement. After the 35 years, the developer will hand over the highway to ODOT. “Sure there is risk involved that PGG won’t be able to complete the operation and maintenance (O&M) phase of this project,” MacAdam says.

“However, they only have a small piece of the money at this point so that is the incentive for them to stick around and complete O&M for 35 years, but if they walk away, that’s the risk that’s assumed.”

Still, ODOT is incredibly pleased with the outcome of the P3 and will continue to monitor the success of the project through the O&M phase.

“The traveling public, as well as the community as a whole, gets to enjoy the benefits and advantages of having the route opened all at once instead of phases,” he says.

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During the paving process, it was very important to Jurgensen and the project owner to minimize longitudinal joints and specifically to not have a joint between the traveled lanes. In order to accomplish this, Jurgensen purchased a special, heavier screed from Caterpillar that allowed them to pave 24-ft. wide for the vast majority of the 16 mile roadway on the surface lift.

“The smoothness tolerances on this project were tighter than a typical ODOT specification and this paving technique worked well in achieving the goal,” Kunz says. “The project had very strict surface tolerances due to the anticipated and desired long life. These tolerances were far superior to typical work and required greater oversight.

Our crews learned to adapt to the standards quickly.”

Like any project, Jurgensen encountered challenges with schedule, tolerances, yield and access to the areas.

“Access to work areas was very difficult during the placement of the base and even the intermediate courses,” Kunz says. “Paving was happening in some areas where bridges were still being constructed and earthwork was taking place. We had to work out strategic ingress and egress points in this geographically challenging area. This required out of the box thinking at times to get areas covered.”

The aggressive schedule on the project required Randy Westendorf, Jurgensen’s project manager, to constantly formulate a long range plan. Weather and other factors continued to make this planning process very complicated for the team.

“Jurgensen was able to use and enhance our relationships with ODOT Central Office staff as well as the local District 9 personnel to partner and make tough decisions throughout this project,” Kunz says. “ODOT has embraced the partnering concept and this worked well with the P3 model.

Situations arose that required give and take on both sides but through good communication and our partnership, we were able to keep the project on track.”

With a P3 project, the private sector is looking at what’s the cheapest cost to build and operate this piece of infrastructure for an extended period of time. The challenge then is getting the contracts right so every team member gets what they want. Since this project was a P3 and Jurgensen needed to ensure they met their contract goals, they had a self-imposed yield goal that was very tight in order to minimize any overruns. Kunz says his crews worked diligently to surpass their goal by the end of the project.

He adds that even though this may have been the most complex project Jurgensen has worked on due to the P3 environment and the quality standards needed for such a long life pavement structure, they are looking for more opportunities to work in the P3 realm.

“This was our first P3 project and with the experience we gained, we are looking forward to the next opportunity,” Kunz concludes.

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John R. Jurgensen Companies at a glance John R. Jurgensen has been in business since 1934 and is a 3rd generation family owned business. The company has over 40 locations in Ohio, Kentucky and Indiana.

Inside of the Jurgensen Companies umbrella they have the following: • Over 1500 employees • Heavy/highway construction operations (earthwork, drainage, concrete and asphalt paving, etc.) to serve state DOT’s, municipalities and commercial markets • Asphalt production with 20+ plant sites • Aggregate production and sales sites throughout most of southwest Ohio

For more information on Public Private Partnerships, visit ForConstructionPros. com/21059935

Since this project was a P3 and Jurgensen needed to ensure they met their contract goals, they had a self-imposed yield goal that was very tight in order to minimize any overruns.

Chris Kunz, Jurgensen director of project management says his crews worked diligently to surpass their goal by the end of the project.

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JOBSITE INNOVATIONS

Replacing Concrete with Asphalt at

DFW Airport The busiest runway at Dallas-Fort Worth International Airport is once again open for use after reconstruction with 220,000 tons of asphalt

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hen Dallas Fort Worth International Airport (DFW) needed to rehabilitate its busiest arrival runway, the goals were to find a solution that used innovative engineering techniques, minimize the time the runway was out of service, support the airport’s commitment to sustainability and keep future maintenance costs low.

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Arguably the most important of DFW Airport’s seven runways was out of commission for about six months while workers gave the 13,401-ft. strip of pavement a $133 million makeover. After more than 30 years of use at the world’s fourth busiest airport, DFW’s Runway 17C/35C became the first runway to be fully reconstructed since the airport’s opening in 1974. DFW partnered with Jacobs, its on-call civil engineer, to evaluate the runway and determine options to move forward.

“Since 17C is the most-trafficked arrival runway at DFW, it was expected that after thousands of landings most of the runway would be compromised,” Johnny Jackson, Jacobs program

manager says. “But our analysis showed that the runway’s base and the outer lanes still had a lot of life left, giving us more design alternatives.”

With this information, the team presented DFW with eight rehabilitation options ranging from full depth reclamation in Portland concrete cement to hot mix asphalt.

ASPHALT REPLACES CONCRETE Factoring in cost and the time constraints associated with paving an airport runway, DFW chose to repave with asphalt which would give the pavement a 30-year life cycle and utilized more than 70% of the underlying layers. The rehabilitation

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Per the P-401 mix specification, Austin Bridge & Road paved in echelon with four paving trains in two patterns. This was able to yield a 75-ft. wide hard mat with only two joints. In all, more than 200,000 hours of labor was recorded to reconstruct the runway.

Dallas Fort Worth International Airport

of 17C marks the first time the airport has used asphalt instead of concrete as a runway surface.

“Because of the findings under the runway’s surface, we were able to consider a structural asphalt overlay of the existing runway as an alternative to a full concrete replacement,” Brad McMullen, Jacobs project manager says. “Ultimately, this is what the airport chose to meet its future needs.”

Changing from concrete to asphalt achieved several benefits. Because there would be less demolition, the construction schedule was reduced – minimizing the amount of time the runway would need to be out of service.

Costs were reduced as well; the construction estimate for full depth concrete replacement was upwards of $150 million. With the asphalt overlay option, total costs for the project were around $130 million. Asphalt also simplifies future runway maintenance through the next 40 years of its useful life, as repairs to asphalt can be done at night, instead of shutting down the runway for extended periods.

The mix design followed the FAA's P-401 specification and was developed using the Superpave method with a PG 82-22 binder. The high-density version of asphalt mix can withstand temperatures of 190° F without melting. Although asphalt is the main ingredient on the top layer, the runway also has a layer of concrete below the surface — and a stabilized, earthen base. Together, the components of the runway reach 5 ft., 6 in. deep.

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CAN'T CONTROL THE WEATHER As the contractor, Austin Bridge & Road (ABR) knew that controlling time was key to meeting the aggressive schedule and had many contingencies in place for supply chain issues, equipment breakdowns and weather. What ABR couldn't plan for was the rainiest September to December Dallas would experience in over 80 years.

To help mitigate some delay due to this weather, ABR chose aggregates with low absorption properties so in the event of rain, wet materials wouldn't be the cause of further delay. Three plants were also on standby to produce the mix that would keep up with the

Dallas Fort Worth International Airport

aggressive, and ever-changing, schedule.

For about 10 days, all three plants were running and producing up to 5,000 tons a day. In all, 220,000 tons of asphalt was produced for the job.

Per the P-401 specification, ABR paved in echelon with four paving trains in two patterns. This was able to yield a 75-ft. wide hard mat with only two joints. Since temperatures needed to be above 40° F for compaction using the highly polymer modified binder, paving was limited to the warmest few hours of the day. This trimmed the paving day from 24 hours to just a few hours each day. In all, more than 200,000 hours of labor was recorded to reconstruct the runway.

Even though weather and change orders caused the project to exceed the schedule by three months, DFW still considered the project to be on time due to the scope addition and weather.

"The team endured one of the rainiest periods in DFW history and has upgraded our airfield to better serve our customers safely and efficiently for decades to come," Khaled Naja, DFW's executive vice president of infrastructure and development, said in a statement.

SUSTAINABLE SOLUTIONS As the nation’s first carbon neutral airport, DFW has an unwavering commitment to sustainability. Jacobs developed a sustainable design strategy that incorporated ideas from design through construction. By keeping a good portion of the runway intact, there was significant reduction in the amount of materials going to a landfill, as well as the emissions from trucks to haul it there. Materials that could be reused on this or other airport construction projects were preserved.

In addition, the enhanced runway includes LED lighting, which can go for longer periods of time before being replaced and reduces the airport’s utility consumption.

Once into construction, DFW officials, Jacobs, ABR and all contractor teams worked closely together to execute the design, problem solving in real time to overcome unforeseen obstacles such as continued rainy weather. The project was funded through $80 million in Federal Aviation Administration grants.

“The completion of Runway 17C was a team effort with all parties focused on success as defined by DFW," Naja says. "As we look ahead to future airfield renovation and rehabilitation projects, 17C will be a model for reducing the impact on our operations thanks to innovative planning and the cooperation among all of the teams involved.”

For more information on airport paving, visit ForConstructionPros. com/21062330

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JOBSITE INNOVATIONS |

BY BECKY SCHULTZ, CONTRIBUTING EDITOR xavierarnau/Getty Images

Attracting Next-Gen Construction Workers Calls for Change of A changing workforce requires rethinking construction roles and re-branding the industry’s image he technological advancements the construction industry has seen in recent years, and will continue to experience, represent a microcosm of what’s occurring across industries globally. Yet, the changes in this mature and often slow to adapt industry have far-reaching implications for U.S. communities – in the structures being built, the materials

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being used, the costs of development and even the roles the workforce performs.

The transformations aren’t limited to equipment. The construction industry is faced with the need to evolve its workforce and their roles in the field, in the shop and in the office. How you go about doing this could directly affect your company’s long-term success.

ADJUST YOUR THINKING ABOUT HOW & WHEN WORK IS DONE One of the biggest challenges facing the construction industry today is a shrinking labor force. The aging workforce, coupled with changing priorities among today’s eligible workers, has made retaining and securing talent increasingly difficult.

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JOBSITE INNOVATIONS

According to “This Is Why Millennials Care so Much About Work-Life Balance” by Ryan Jenkins (https://bit. ly/2mbAnya), today’s workforce has a different mindset than most working professionals in past generations. They are “never offline and always available,” meaning the line between work life and home life has become blurred. For this “always on” generation, a company’s ability to offer a healthy work-life balance can be a compelling advantage in a tight job market. This balance typically calls for greater flexibility in working hours and location, quality of life-related benefits (e.g., health insurance, paid vacations, etc.) and meaningful work with advancement opportunities.

Your mindset about when and where the work is done may have to change as well. “If you look at some of the things the younger generation is looking for in terms of work-life balance and work time flexibility, you can build business models around how to use that to your advantage,” advised Michael Ballweber, senior vice president, Commercial Business, Doosan Bobcat Inc. “Look at it as an opportunity as opposed to saying, ‘That doesn’t fit with what we’ve typically done’.”

Take skilled service technicians, a commodity hard for both dealers and contractors to come by, for example. “If you have technicians who want to work from noon to 8 p.m. rather than 8 a.m. to 4 p.m., how do you use that in your business to your advantage, rather than saying, ‘It doesn’t fit with what we like to do?’” asked Ballweber.

Also maintain an open mind about how such work is performed. “We do have to fix machines,” Jason Daly, global director, marketing & support, John Deere Construction & Forestry Company says. “But it doesn’t have to be the means of fixing machines that we’ve done in the past. There could smarter ways.”

It’s also important to make those in roles such as service techs see the value in what they do – and that you recognize that value, too.

“It’s very important for [them]

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to understand that you rate this job high,” Peter Mayr, president, Liebherr Construction Equipment says. “It’s a very straightforward job. You go out in the morning and fix a machine, you see it up and running and you are satisfied with it and go home.” Yet, beyond satisfaction at a job well done, techs need to feel that their role is highly regarded – and that they be paid accordingly. “It’s a very different job for young people, and we have to make sure they understand how much we appreciate them doing that job.”

BREAK DOWN THE BARRIERS As they’re prepping for future careers, construction is hardly the first industry that comes to mind among younger workers. Misconceptions about the types of jobs available, what they entail and the working environment are largely to blame.

“We’re all collectively in this industry going to need to… find the means to market to people and change the perception of what we do,” Daly says.

“Finding new means of attracting these people through marketing and energies that are put in place – like through the AED Foundation – are great… and if we can do that collectively, maybe we can break down barriers that we haven’t done in the past.”

Part of breaking down those barriers is reaching out to young people – and their parents – earlier than ever.

“Typically, we’ve tried to reach out to tech schools and things like that, but I think today you have to go a lot younger than that,” Daly adds. “We’ve actually reached out to kids as young as middle school to bring them into [our North Carolina] factory to show them there are paths that aren’t centered around traditional four-year colleges but still give them great opportunities.”

Stephen Roy, president, sales, Region Americas, Volvo Construction Equipment, agreed, adding, “We have to start in junior high. We have to start talking to parents at that point in time – they don’t have to go to college; there are

great opportunities outside of college.

“Quite frankly, schools have brainwashed that everybody has to go to college. You can go out and spend $120,000 and end up in a $30,000 job,” he commented. “We have to start early, and we have to start addressing this… at a higher level, or else we’re going to continue to have a shortage.”

The message is whether you make, sell or rent machines or move dirt and build structures and roads, the construction industry needs to convey early and often that it offers a different job environment than it did in the past.

“The industry has a great opportunity to communicate better and change our image,” stated Philip Kelliher, vice president, Americas, Distribution Services Division, Caterpillar. “When you look at it, we have some of the most advanced technology anywhere. A lot of the young people don’t realize that. I think we have a challenge to better communicate with the youth of today the opportunities in working as a technician or an engineer and in the various other elements of the business.”

“It’s much more technical,” agreed Daily, “and you need a lot of different skill sets.”

Advancements in technology can prove a useful tool in changing perceptions. Consider that a new study commissioned by the AED Foundation reports more than 80% of heavy equipment will be powered by electric powertrains and have systems central to autonomous operation within 10 to 15 years.

“We have an opportunity here to attract new talent on the technical side with automation and autonomy like never before,” Daly pointed out. “If we reach out and brand this industry differently… it can really revolutionize how we attract talent into the industry.”

For more information on recruiting younger workers, visit ForConstructionPros. com/21060741

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5/14/19 10:35 AM

JOBSITE INNOVATIONS Vögele Super 700-3 Asphalt Paver

LiuGong 4180D Motor Grader

The Super 700 with electrically heated AB 200 V screed is able to drive through an opening less than 4 ft. in width, pave within 2 in. of boundaries and drive in a footprint of 43 in.

• Can pave a 6-in. depth mat at a laydown rate of 220 tph • 98-fpm paving speed and 5.5-ton hopper capacity • Single-person operation with positions on the screed or on an elevated platform • 57-hp liquid-cooled Deutz BF3 M 2011 diesel engine

The 4180D motor grader features a five-column, low-vibration, noise-, dust- and UV-resistant cab with a 324° panoramic visibility.

• Fuel-efficient Cummins engine • Meritor wet axle with "no-spin" differential lock as standard

ForConstructionPros.com/10080966

Volvo CE Expands ActiveCare Direct to Select Pavers ActiveCare is now available on select Volvo asphalt pavers.

• The move to expand the managed telematics service into the Volvo road machinery line-up has been in large part due to the overwhelmingly positive response and rapid adoption of the service among Volvo dealers and customers.

ActiveCare Direct is already available for certain asphalt and soil compactors • ActiveCare Direct gives road equipment owners and managers access to more intelligence and understanding about their business than they would otherwise have ForConstructionPros.com/21046812

• Traction frame swing adjustment mechanism • Impact-resistant materials introduced to provide better weight distribution and increase recyclability • Access for routine maintenance improved to reduce downtime ForConstructionPros. com/21067033

Bed-down material delivery is a safer way to pave!

Built by a Paving Contractor for Paving Contractors The Pegasus exclusive patented extruded aluminum interlocking components create a fully unitized structure that is strong, light, and durable. The all-aluminum body allows for increased payload, and the ultra wide belt gives a low center of gravity and fast-controlled discharge of material.

PegasusTrailers.com | 888-608-1997 | Sandusky, Ohio | info@pegasusvansandtrailers.com www.ForConstructionPros.com/21028319

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JOBSITE INNOVATIONS HAMM HP Series Pneumatic Rollers

Pitts Fixed Neck Trailers

The new pneumatic tire roller generation will gradually replace the existing GRW series in the course of the next two years.

• The HP series pneumatic tire rollers offer a modern, spacious operator’s platform with maximum visibility over the machine

Pitts fixed-neck trailers offer capacities of 70,000 (LB35/LB35-CS) and 102,000 lbs. (LB51/LB51-CS) in 16 ft.

• Full-width top deck with gradual slope or exposed beam with motor grader ramp neck designs • Pre-camber fully fabricated main frame (4) I-beam design

ForConstructionPros.com/21064550

Ro hi po 6. en •

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Carlson Paving Products CP60 and CP65 Wheeled Asphalt Pavers

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The CP60 and CP65 wheeled asphalt pavers represent the company’s entry into the international 1.8m city paver market, making these models great for motorized and nonmotorized pathways, urban streets, country lanes and more.

• The CP60 and CP65 deliver higher performance with laydown rates of up to 250 tph while achieving exceptional maneuverability with transport speeds of up to 10 mph • Exceptional ride uniformity, mat quality and pre-compaction are achieved by the EZC34 electrically heated screed, with a standard pave width of 1.8-3.4m • Available in vibratory and tamper bar models, the EZC34 platform can be built out to 4.5m with bolt-on extensions

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• 26-, 33- and 38-in. loaded deck heights • Premium 1.5-in. apitong flooring • Double-folding hydraulic ramp with 8° load angle ForConstructionPros. com/21065249

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Roadtec RP-195e Asphalt Paver

Drum mixers

Roadtec's powerful, rubber-track highway class RP-195e paver is powered by 230-hp Cummins QSB 6.7 Tier 4 Final-compliant diesel engine.

• Anti-segregation design encompasses feed tunnel, feed tunnel discharge and rear augers • Fully oscillating bogies and smooth tread aide in laying a smoother mat • Operator stations hydraulically swing out, allowing the operator to see down the side of the machine • Consoles are located at the operator’s fingertips and the operator’s seat is adjustable for optimal comfort ForConstructionPros.com/12055680

Caterpillar CW16 Pneumatic Compactor The CW16 is designed for efficient performance on highways, city streets, county roads, lane additions, industrial sites, overlays, etc.

• Designed for use on granular materials and all types of asphalt-mix designs, the Cat CW16 pneumatic roller is available as a standard nine-wheel model with a 69-in. compaction width or as an optional 11-wheel model with an 84-in. compaction width • Oscillating front wheels assist in compacting soft voids across the machine width and the 11-wheel configuration increases efficiency in chip-and-seal applications ForConstructionPros. com/21009845

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Case DV209D & DV210D Double Drum Asphalt Rollers Case's Tier 4 Final double drum vibratory asphalt rollers (DV209D and DV210D) deliver 100% tractive effort due to a balanced drum design and a variety of standard features.

• 100-hp Deutz engine with EGR, DOC and SCR after-treatments • Updated cooling system and automatic idle control reduce fuel consumption by up to 15% compared to previous models • Automatic vibration control • Crab steering hydraulically offsets rear drum up to 6.7 in.

• Oscillating articulated roller joint oscillates +/- 6° • Pressurized triple-filtration water system • Standard high centrifugal forces and dual amplitudes • Fully adjustable and intuitive operator environment with steering wheel instrument cluster and digital display • Available high-frequency option for frequencies up to 4,020 vpm • Combination option available for both models featuring a vibratory front roller and rear pneumatic tires ForConstructionPros.com/12310834

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contact tarmac at 816-220-0700 or info@tarmacinc.com www.ForConstructionPros.com/10074819

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PRESERVATION UPDATE

Dealer Support Helps Chambers Excavating Dig in to

Ownership change brings new direction for Oklahoma City contracting firm

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“Steve and I saw a great opportunity, and the timing was definitely right,” Hill says. “Fred had more than 30 years in business, and he had built one of the most highly respected firms in the area, so that was a big plus.

Additionally, I’m a disabled vet and a member of the Chickasaw Nation.

There are special considerations for those ownership demographics when it comes to state projects.”

arrying on an organization’s legacy offers a challenge for any subsequent owner, especially when the company has a solid reputation for delivering projects on time and on budget. Seven years ago, Cody Hill decided to tackle that task when he became part-owner of Chambers Excavating & Construction.

Hill credits a family friend, Silver Star Construction president Steve Shawn, for mentoring him during the early phases of his new venture. Shawn was the one who referred Hill to Chambers Excavating & Construction Owner Fred Chambers.

Hill worked for the company six months before he and Shawn teamed up to buy the business from Chambers.

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Two years into the partnership, Hill purchased Shawn’s interest in the company, becoming the Oklahoma City-based firm’s sole owner and president. During the past five years, Hill has shifted Chambers Excavating & Construction’s primary focus.

“We still perform turnkey earthwork contracts that include everything from demolition and removal of old pavement and mass

excavation to finish grading; however, earthwork with stabilization is now our specialty,” Hill says. “Fred offered more services, including utilities and paving, but we dropped them because many of our customers perform those tasks. We wanted to steer away from competing with them.”

The company typically runs five fulltime crews. Four focus on all aspects of dirt work and stabilization, while one acts as a backfill and clean-up group.

Chambers Excavating & Construction’s territory covers the entire state of Oklahoma.

ROCK-SOLID RELATIONSHIPS Hill estimates that about 90 percent of the company’s time is spent as a subcontractor to developers and general contractors who take the lead on Oklahoma Department of Transportation (ODOT), and more recently, wind-farm projects. Chambers Excavating & Construction continues to team up with many of them on a repeat basis.

“We pride ourselves on quality service,” he says. “It’s really a two-way street – we sub our services to several companies, and on the rare occasions when we do prime contract a job, we, in turn, use those businesses to take care of the aspects we don’t handle. That’s helped us develop and keep some rock-solid relationships.”

One of Chambers Excavating & Construction’s recent assignments included tree clearing, demolition, excavation and stabilization for new on- and off-ramps at Rogers Lane along Interstate 44 near Lawton. Hill’s firm removed 30,000 square yards

Chambers Excavating & Construction’s specialty is stabilization and it uses Wirtgen soil stabilizers/cold recyclers to get the job done. “We typically get 40 to 60 feet per minute with the Wirtgen machines,” Cody Hill, owner/president of Chambers says. “They have increased our production by 30 to 40 percent, with the ability to run anything through them – fly ash, lime, cement or slurry – and achieve a quality finished product.”

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PRESERVATION UPDATE Chambers Excavating & Construction owner/president Cody Hill (left) talks with Kirby-Smith Machinery territory manager Ryan Bebee at Hill’s office in Oklahoma City. “Ryan and everyone at Kirby-Smith are great to work with. They understand my business and the needs that go with it, and they ensure they’re met,” Hill says .

of concrete and 15,000 square yards of asphalt and performed close to 100,000 yards of unclassified excavation in addition to 52,000 square yards of stabilization.

Crews completed a similar amount of unclassified excavation and 40,000 square yards of stabilization for the parking area and building pad at the Riverstar Casino in Terral. The same contract saw them move nearly 120,000 yards of dirt to construct lagoons.

“Our largest pure stabilization job was approximately 400,000 yards for a wind farm,” Hill says. “We are also doing some ODOT work with 200,000 yards, so we get into some fairly sizable projects.”

STABILIZERS IMPROVE PRODUCTION Growing up on a ranch, Hill was familiar with operating equipment before he landed a position at Chambers Excavating & Construction. He and his father still ranch, running about 500 head of heifers and 2,000 to 3,000 yearling calves at a time. The Hills use skid steers, tractors, dozers and excavators to maintain their property.

“The ranch gave me a heavy equipment foundation, but I had little to no construction experience,” Hill says.

“I gained that working with Fred and Steve. The business came with a Komatsu PC220 excavator that has since rolled over 20,000 hours and continues to deliver each day loading dirt and concrete. It’s not the prettiest thing to look at, but it gets the job done.”

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Like Chambers, Hill has developed strong relationships with Kirby-Smith Machinery and territory manager Ryan Bebee. His first meeting with Bebee was about putting a thumb on the PC220.

Two years ago they discussed the advantages of a Wirtgen WR 200i soil stabilizer/cold recycler.

“I needed a bigger stabilizer for a large project, so I rented the WR 200i,” Hill recalled. “Right away, we saw the benefits, so we kept it for another job, and we still haven’t returned it.”

Hill purchased the machine and has since added a larger WR 240i.

“We typically get 40 to 60 feet per minute with the Wirtgen machines,” Hill shared. “They have increased our production by 30 to 40 percent, with the ability to run anything through them – fly ash, lime, cement or slurry – and achieve a quality finished product.

Those can be nasty materials, so having the operator protected in an enclosed, climate-controlled cab is fantastic, too.”

Both machines have a port on the front to attach a water tanker. Operators have the ability to control the intake flow to ensure the proper balance of water and stabilization material.

“That feature provides more consistent moisture content throughout every inch of the stabilized area,” Hill noted.

In addition to the stabilizers/cold recyclers, Hill has purchased a HAMM H 11i soil compactor with an enclosed cab and a Trail King trailer with Bebee’s assistance. He buys parts and service items from Kirby-Smith’s Oklahoma

City branch and turns to them for technical support, as needed.

“We rarely have issues with any equipment and if one does pop up, they are right there to resolve it quickly,” Hill says. “Everyone at Kirby-Smith are great to work with. They understand my business and the needs that go with it, and they ensure they’re met.”

NAME CHANGE COMING Hill, a Marine veteran, was seriously injured in 2006 while serving in Iraq when an improvised explosive device hit the Humvee he was riding in. The other three service members in the vehicle died.

Now, Hill plans to change the name of Chambers Excavating & Construction to honor his three military brothers killed in action – Jared Shoemaker, Eric Valdepenas and Doc Walsh and – by rebranding to ShoeValDoc Construction.

“It’s been in my mind from the start; we were obligated to keep the Chambers name for a certain length of time, and that’s been met,” Hill says. “While our name will change, the course we are on will stay the same. Our specialty is ODOT, tribal and wind-farm projects.

Residential could be in the mix as well.

“Additionally, I want to pursue crushing because I believe the end product from recycling concrete is ideal for a variety uses. But, at the moment, our dream jobs are those long stretches of roadway or the wide-open fields for wind farms where we can run full steam.”

This article originally appeared in the Kirby Smith Connection which is produced by Construction Publications, Inc.

For more information on soil stabilization, visit ForConstructionPros. com/21021825

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5/14/19 10:41 AM

BY JOHN J. MEOLA, CSP, ARM

| PRESERVATION UPDATE

How to Protect Pavement Crews and Company from

SILICA DUST

It’s always been there, always will be... only now it can hurt you and your pocketbook

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t has been nearly two years since OSHA revised their long-dormant silica dust exposure regulation. The new exposure limits are microscopically low, and it kind of makes you wonder what the heck we’ve been breathing all this time. Asbestos and lead dust? We get it; the hazards are well defined.

But silica? Every sandbox and dusty ball field is loaded with it. It is a naturally occurring element in practically all natural environments.

And all of a sudden it’s blood-poison?

Hard to figure.

Enforcement of the new standard had been spotty -- right up until last summer when Virginia Occupational Safety and Health (VOSH) cited a large regional contractor for three “willful violations of the Silica Rule.” The “willful” category essentially quintuples the proposed penalty, bringing the dollar amount close to $100,000 for each of the three transgressions.

The odd thing about it is, the contractor is no slouch when it comes to safety, so either someone got very lazy or VOSH decided to send a message.

Either way, it’s a wake-up call for the rest of us.

If your employees have any exposure to silica dust -- yours or anyone else’s -you have some homework to do.

According to the new standard, here are your deliverables:

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“HOW MUCH DUST IS ENOUGH?” That’s what OSHA calls the “Action Level” and it’s really low; 25 micrograms per cubic meter of air. If you can see the dust, you are probably overexposed and need to take action. The Action Level is a technical absurdity, since a microgram is one-millionth of a gram.

The only way to measure this is to bring out an Industrial Hygienist (IH) with their pumps and hoses to take an actual reading of how much silica is in the air.

The next number to watch is the Permissible Exposure Level (PEL) which is a whopping 50 micrograms per cubic meter of air. Just for comparison, that’s the rough equivalent weight of an eyelash, or the wing of a fly.

USING TABLE 1 As part of the new Silica Standard, OSHA publishes what is called Table 1, which is basically a long

Repair Equipment to Specification If you bought a pavement saw equipped with a water-delivery system -- and that system breaks or fails -- you cannot substitute by using a garden pump-type sprayer to deliver the water. The first generation of water-delivery hardware on saws was notoriously prone to failure. The latest tooling is built more robustly.

This is important because OSHA will consider any hardware improvisation to be non-compliant, even though it might be equally effective.

Hardware must be maintained in accordance with manufacturer’s instruction and original equipment.

Most of the tool makers got the message by now and have refitted and upgraded their hardware.

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PRESERVATION UPDATE

Silica Dust Defenses for Sweeper Operators • Develop a Written Silica Dust Control Plan, same as the saw-cutting people; include it in your Safety Manual.

• The driver must be in an enclosed, positive-pressurized cab.

• Keep the rig as clean as possible to minimize random dust; pressure wash the exterior as needed.

• Keep good maintenance records on all the functional hardware, broom quality, change-out, control settings, hoppers emptied etc.

• Vacuum trucks will likely be more prominent in certain applications; diversify your fleet.

• Check the cabin air filters frequently, clean or change as often as needed (hint: find washable, reusable filters).

• Upgrade to High Efficiency Particulate Air (HEPA) filters when available.

The added level of protection is worth the cost; document this refinement in your Written Plan.

• Driver and helper or other employees are subject to the same provisions as any other worker around dust: They need safety and silica dust training, your company needs to identify and train a “Competent Person,” they should be provided and trained in proper use of dust masks, other PPE, dust controls etc.

• Use a lot of water and try adding a surfactant – wetting agent – to the sweeper water supply for increased effectiveness • Whenever possible, configure the job for overnight, or at least off-peak hours. These days, anyone with a cell phone is a safety inspector.

• If the dust cloud is impossibly huge and you are at risk of obstructing vision, your operator needs to know when to stop and call for reinforcements. To proceed and potentially create a hazard runs a huge risk. This actually happened not so long ago and the outcome was a serious car wreck. Guess who was the lead defendant? With practically no viable defenses.

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list of dust-producing jobs and a description of the required safety controls and exposure duration for each job. (View Table 1 at https:// www.osha.gov/laws-regs/regulations/ standardnumber/1926/1926.1153.)

If you can find your job on Table 1, and you stay within the strictures of the specified work activity and safety controls, you should be okay, even without the IH testing. Staying within the strictures is really important; going outside the lines can open you up to a penalty. So if you choose to use Table 1, it’s not going to be a random call.

DEVELOP A WRITTEN PLAN In all cases, you will need a Written Exposure Control Plan. This plan defines your company policy, and details how you will comply with Table 1, for example, or any other protective measure in the standard. Add this plan to your safety manual, just as you would any other regulatory safety requirement such as - Haz Comm or Personal Protective Equipment (PPE).

TRAINING IS ESSENTIAL You will need to train your employees in the intricacies of staying in compliance with Table 1 and any other provision, such as respirator use, using water or vacuum to minimize dust, staying upwind from dust, using PPE properly etc. Document this and all safety training.

Bonus Tip: Issue a wallet card as a reminder to each employee that they have been trained.

ESTABLISH A “COMPETENT PERSON” FOR EACH JOBSITE You will need to train, educate and authorize what’s termed a Competent Person (CP) for the jobsite to keep an eye on all the safety-related pieces and parts along the way.

• The CP will need to know how to minimize creating dust on any site by using Table 1 or any other means • They will need to understand the OSHA Hierarchy of Controls (Engineering, Administrative, PPE) to

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properly protect the employees • The CP is to be named in the Written Plan, along with others having authority for the Silica Program • You should name this person(s) with a Certificate of Competency, a letter and a wallet card; this is their reminder so that if you are inspected they don’t get amnesia • The CP also has authority to make changes and to STOP any work deemed to be unsafe HOW TO USE RESPIRATORS The use of respirators is becoming more common in the trades, but the OSHA rubric on respirators can be confusing.

• For example the voluntary use of dust masks still requires that the employer makes sure the employee can safely and properly wear the mask, i.e. proper seal, no facial hair... and the three-pack-a-day person is probably not going to pass the test.

• If you plan to be in business for the

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foreseeable future, it probably makes more sense to have the entire crew fit-tested and medically certified for respirator use. This removes any doubt about their ability to breathe free. And for you as well.

• Recertification on this respirator test is required annually • OSHA and your general contractor will ask for these records COMPLIANCE = PROTECTION For the business owner and manager, compliance with the new Silica Rule is not all that complex. And OSHA did their homework on this Table 1. We advise don’t try to push your luck on it.

Stay within the category guidelines and document it.

A big factor in your Silica Program will involve you being able to prove your employees are not exposed to any astronomical (i.e. visible) levels of silica dust. The only reliable way to do this is to have a representative job tested and documented by an Industrial Hygienist.

The estimated average cost for an Industrial Hygienist to come out for a day and sample your actual silica exposure is about $1500. This includes

all the baggage, hardware, test results etc. Not a bad price for an insurance policy that lasts as long as you’re doing this type of work, or work that is substantially similar.

When you add up all the elements required in the silica control program, yes, it’s a laundry list. But the good thing is you only need to most of it once, as long as your business and the jobs you perform remain roughly the same.

John J. Meola, CSP, ARM is the Safety Director for Pillar, Inc., Richmond, VA. He is a consultant and safety trainer to private industry, a regular presenter at National Pavement Expo, and works with the World Sweeping Association. Reach him at JMeola@pillaroma.com

For more information on complying with OSHA’s silica dust rule in the asphalt industry, visit ForConstructionPros. com/20990919

Questions about Controlling Silica?

The U.S. Department of Labor’s Occupational Safety and Health Administration (OSHA) has posted new frequently asked questions (FAQs) on the agency’s standard for respirable crystalline silica in general industry.

OSHA developed the FAQs in consultation with industry and union stakeholders to provide guidance to employers and employees on the standard’s requirements, such as exposure assessments, regulated areas, methods of compliance, and communicating silica hazards to employees. The questions and answers are organized by topic, and include an introductory paragraph that provides background information about the regulatory requirements. (https:// www.osha.gov/dsg/topics/silicacrystalline/generalindustry_info_silica.html) Visit OSHA’s silica standard for general industry webpage for more information and resources on complying with the standard.

Under the Occupational Safety and Health Act of 1970, employers are responsible for providing safe and healthful workplaces for their employees.

OSHA’s role is to help ensure these conditions for America’s working men and women by setting and enforcing standards, and providing training, education and assistance.

JUNE/JULY 2019 ASPHALT CONTRACTOR

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PRESERVATION UPDATE Caterpillar PM620 and PM622 Cold Planers

Asphalt Transports

Live Bottom Trailers

The 73,260-lb. PM620 and 74,580-lb. PM622 half-lane milling machine perform controlled fulldepth removal of asphalt and concrete pavements in a single pass.

• 79- (PM620) and 88-in.-wide (PM622) high-production rotors provide a 13-in. maximum cutting depth • Three keypad-controlled cutting speeds match the rotor rpm torque with conditions • Standard Automatic Load Control • Operator's station includes dual operating controls including joystick steering/propel lever, upper conveyor controls and rear track steering controls • 630-gross-hp C18 ACERT turbocharged, sixcylinder diesel engine meets Tier 4 Final standards and is iso-mounted to reduce vibration ForConstructionPros.com/12186872

P

R Pr th su •

•

•

• •

F

Cimline Durapatcher P5

Heavy Duty Trailers Renova 4000 Asphalt Recycler

ChipSpreaders

Asphalt Distributors

The DuraPatcher P5 Patching system provides the maximum worksite safety with in-cab, single operator operation.

• One person operation safely from inside the cabin • Improved operator visibility • Intuitive operation requires minimal training

The RENOVA 4000 is a self-contained, easy to operate, mobile machine that produces hot mix asphalt on site from reclaimed asphalt pavement extracted directly from the repair area or from stockpiled millings, RAP or excess asphalt.

• Appropriate for patching potholes and utility cuts and for making other small asphalt repairs year round regardless of the outside temperature • Produces up to 2 tons of recycled hot mix asphalt per cycle in 12 to 15 minutes or at 8 tph, producing a premium-grade hot asphalt paving mix ForConstructionPros. com/12303127

M

Th de re ov •

• • Adjust and store material settings for consistent operation • Lowest cost per ton patch mix ForConstructionPros. com/20861599

F c

CMI RM-6 Roto-Mill Cold Planer

E. D. Etnyre & Co.

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The modular design RM-6 Roto-Mill features a 75-in. cutting width at up to a 13-in. depth.

• Cummins QSX 15 Tier 4 Final engine • Touchscreen control system • Large access doors for inspection, adjustment and repairs.

• High conveyor capacity means less tooth wear and better productivity • Onboard diagnostics and manuals provide ease of maintenance and reduced downtime

Th ho em •

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•

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RePlay Agricultural Oil Seal and Preservation Agent RePlay Agricultural Oil Seal and Preservation Agent is a patented solution that extends the life of paved asphalt surfaces when applied every 3-5 years.

• The 88% biobased solution is easily applied and cures within 15 to 30 minutes, saving the hassle of extended lane drop time and expensive labor • By reducing moisture penetration and sealing hairline cracks, RePlay reverses the oxidation process and protects asphalt from potholing, edge rutting and cracking • Once applied, RePlay works deep into the asphalt matrix, penetrating on average 0.75 to 1.25 in. deep • Helps maintain skid resistance that deteriorates as the asphalt’s condition worsens • RePlay is optimal for new asphalt within two years of paving ForConstructionPros.com/12254684

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KM International Pro Patch 55 Melter

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BOMAG BMS 15 Milling Tooth The BOMAG BMS 15 milling tooth design extends service live by 30% and reduces change-out time by up to 75% over conventional systems.

• Base tooth holder features a maintenance-free, bolt-on design that does not require retightening, reducing service time • Low-resistance profile and tapered tooth retainer delivers more aggressive cutting with less wear to increase service life by up to 30% over other cutting systems ForConstructionPros. com/20987446

Berg for i hose and • Th an us • A ex

The Pro Patch 55 is a 55-gal. melter designed specifically to heat both mastic material and rubberized crack filling material. The Pro Patch 55 is similar in design to KM International’s KM 55 rubber melting machine with a few added features and upgrades to make it fully compatible with mastic materials.

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Wirtgen W 380 CRi Cold Recycler The W 380 CRi Cold Recycler granulates the material and transforms it into a new, homogeneous material mixture by adding binding agents such as cement, bitumen emulsion or foamed bitumen.

• Available working widths of 3,200, 3,500 and 3,800 mm, the recycler mills the road between 100 and 300 mm deep in most applications • Capacity of up to 800 tph can feed enormous quantities of recycled material via its swivel-mounted and height-adjustable discharge conveyor at the rear ForConstructionPros.com/21064544

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ClearPathGPS keeps your data at your fingertips—from vehicle location, breadcrumb trails, and real-time vehicle behavior, to geozone and virtual timecard reports—whether you’re

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CLASSIFIEDS THE RELIABLE WORLD OF ASPHALT PLANT PRODUCTS

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Reliable Asphalt Products offers a full line of liquid AC storage systems, from 10,000 gallons on up. The tanks are available in portable, stationary, and skid mount arrangements with options for hot oil, electric and direct fired systems.

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ADVERTISE HERE! PRODUCTIO N NOTES

|

BY LISA CLEA VER, EDITO R

Ace-Sagin aw Paving In New Plant to Meet Cu stalls stomer

DEMAND

Contact

Denise Singsime

For all of your print, digital or reprint needs!

New Gen cor plant help s this Michigan asphalt producer increase efficiency, productivity and sustainability

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ASPH ALT

CONTRACT

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ce-Saginaw Paving Comp any’s primar y goal says David is to provid Gohn, Michig e a high quality an Asphalt Plant Manag product and service and er with Ace-Sa remain compe ginaw.

“We had to titive in the markets it meet our custom serves. needs,” says er’s compa ny recent To meet that goal, the Gohn. “Many days ly installed over-booked a new plant in Burton, and our custom we were MI. waiting.” ers were Increased deman Gohn says d was the numbe one factor for there was also r building the growth economic happening new facility , area and a recentl in the Flint, MI, y passed tax that was www.ForCo

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t

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 

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ASPHALT CONTRACTOR JUNE/JULY 2019 www.ForConstructionPros.com/Asphalt

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Advertiser Index

Index

Advertiser Index

PAGE

PAGE

ACE Group

80

Pegasus Trailers

65

Air-tow Trailers

76

R & D Trench Paver

80

Almix

9

Reliable Asphalt Products Inc.

78

Asphalt Drum Mixers

24 – 25

Roadtec an Astec Industries Company

41, 84

Astec Inc.

27, 31, 35, 39, 42 – 43

SealMaster

13

Stansteel

33

Swanston

76

Systems Equipment Corp.

17

Tarmac International Inc.

67

Weiler

15

WEM Automation

49

Willow Designs

76

Wirtgen America Inc.

5, 28 - 29

Calculated Industries

80

Carlson Paving Products Inc.

83

Caterpillar Inc.

47

Clearpath GPS

75

ClearSpan Fabric Structures

77

Conexpo-Con/Agg

63

Eager Beaver Trailers

37

E. D. Etnyre & Co.

74

Evans & Daniels Inc.

77

Fast Measure by KTP Enterprises

79

Gencor Industries Inc.

3

Heatec

53

Hydronix

81

Johnston Sweepers

79

Kenco Engineering Inc.

23

LeeBoy

2

Liberty Tire Recycling

21

Libra Systems Corporation

52

Mecom Equipment

51

Minds

7

NAPA

50, 66

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THE LAST EXIT |

BY JESSICA LOMBARDO, EDITOR

Paving the Path to Our Future Construction Workforce

A traditional college degree is not the only way to have a successful and rewarding career.

Aging infrastructure and an aging workforce can present prime opportunities for job growth in the asphalt industry, if we get past traditional stigmas

F

irst, the bad news: The American Society of Civil Engineers estimates we need to spend over $4.5 trillion by 2025 to improve the state of the country’s roads, bridges, airports and more.

But there’s good news: Last month President Trump said he would be receptive to an infrastructure package of between $1 trillion and $2 trillion which would help spur the investment in our aging infrastructure.

Still, more bad news: Even if our government can come to some bipartisan solution on funding an infrastructure plan, who will be available to do the work when over 78% of construction companies are already having a hard time finding skilled workers? What’s worse is that 2.7 million infrastructure workers are projected to retire or permanently leave their positions over the next decade.

So how will are we going fill those jobs? That my friends is the $1.5

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trillion dollar question.

2018 estimates from the Bureau of Labor Statistics (BLS) Occupational Employment survey found that nearly 17.2 million workers—or about 12 percent of all workers nationally— are employed in infrastructure jobs, concentrated in 94 different occupations. Taken together, infrastructure jobs employ more workers than retail (16.0 million) or manufacturing (12.6 million), among other sectors.

People tend to frown upon these jobs in infrastructure though because young people are sold "fairy tales" that a college degree is the only way to a successful future. Here are some reasons why a traditional college degree is no longer the definitive answer: 1. COLLEGE = JOBS Wrong. Young people today have been taught that the only way to earn a good living is to get a college education.

That’s not always true. What is true is that America is currently sitting with $1.5 trillion of college degree student loans on the books for jobs that tend not to exist anymore. And this is where we reach the term “skills-gap.”

Without a workforce willing to learn the skills for a job that actually exists, our country is currently sitting with a gap of nearly 7 million unfilled jobs.

75% of these open jobs don’t require a four year degree. These jobs require work ethic, training and a will to succeed.

In fact, in 2018, just 13 percent of infrastructure workers had a bachelor’s degree or higher, compared to 37 percent of all workers nationally. And more than half—54 percent—had a high school diploma or less.

2. COLLEGE = HIGHER PAY Not entirely true. With many young people struggling to find jobs to make ends meet, workers in infrastructure are given the opportunities to thrive right out of the gate. The same BLS Survey reports that even lower-skilled workers or those just starting in their careers can gain a stronger economic foothold than those with a college degree. In fact, workers at these levels typically earn 30 percent higher wages compared to all occupations nationally; in 2018, infrastructure workers earned annual wages of $27,590 and $33,920 at the 10th and 25th percentile, respectively. By comparison all workers nationally earned $20,690 and $25,740 - and probably still had college debt to pay back.

3. COLLEGE = A GUARANTEED BETTER LIFE Nope. Still, that’s what many parents and high school educators want you to believe. In reality, all it takes to live a better life after high school is sheer will to get out there and do a job, and do it well. Raising awareness of the employment opportunities available in the construction industry begins with targeted outreach at the local K-12 level in order to drive impactful results and – ultimately – build a productive workforce.

In the asphalt industry, the jobs are there for the taking. The vast majority of contractors and equipment manufacturers are committed to helping incoming workers learn, grow and develop on the job – all while providing quality wages and competitive benefits.

Let’s start building tomorrow’s workforce today.

For more information on workforce development, visit ForConstructionPros. com/21065615

www.ForConstructionPros.com/Asphalt

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