Construction Review Africa

Since 1989

Jan Jan -- Feb Feb 2019, 2019, Vol Vol 30 30 No.1 No.1

Africa's leading construction journal

Renewable Energy Revolution Africa’s Efforts Towards Universal Electricity Brick and Block Machine Maintanance Improving African piling practices Water Storage

MANAGING EDITOR Robert Barnes DEPUTY MANAGING EDITOR Francis Makari EDITOR - in - CHIEF Dennis Ayemba COUNTRY EDITORS Uganda Uganda -- Betty Betty Nabakooza Nabakooza Nigeria Nigeria -- Boladale Boladale Ademiju Ademiju South Africa Jimmy South Africa - Jimmy Swira Swira WRITERS WRITERS Yvonne Yvonne Andiva, Andiva, Dorcas Dorcas Kang'ereha, Kang'ereha, Pascal Musungu, Pascal Musungu, Anita Anita Anyango, Anyango Moreen Gakii WEB & GRAPHIC DESIGN WEB &Margaret GRAPHIC DESIGN Atieno Margaret Atieno Sales and Marketing Manager Sales and Marketing Ken Okore Manager Ken Okore

CON Since 1989

Jan Jan -- Feb Feb 2019, 2019, Vol Vol 30 30 No.1 No.1

Next Issue

Africa's leading construction journal

In the next issue we look at evolution of renewable energy in Africa.

ADVERTISING ADVERTISING Kenya: William Mutama, Lilian Khavosa, Kenya: William Mutama, Lilian Khavosa, Fredrick Otieno Fredrick Otieno South Africa: Thuli Nkosi, Winnie SentSouth Africa: Thuli Nkosi, Winnie Sentabire, Angeline Ntobeng, abire, Angeline Ntobeng, Uganda: Uganda: Nobert Nobert Turiyo, Turiyo, Selina Selina Salumah Salumah Namuli Namuli

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Botswana: Botswana: Dickson Dickson Manyudza, Manyudza, Gerald Gerald Mazikana Mazikana

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Ethiopia: Haimanot Haimanot Tesfaye, Tesfaye, Ruth Ruth Girma Girma Ethiopia: Tanzania: Tom Tom Kiage Kiage Tanzania:

REGULARS

Malawi: Anderson Anderson Fumulani Fumulani Malawi: Ghana: Ghana: Samuel Samuel Hinneh, Hinneh, Caleb Caleb Donne Donne Hadjah Hadjah

Editor's Comment 3

Zambia: Susan Kandeke Zimbabwe: Chiedza Chimombe Rwanda: Collison Lore

Corporate News 4

Nigeria: Seni Bello China:Weng Jie

Events 5

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Management 6

Send your letters to: info@constructionreviewonline.com Construction Review is published eleven times a year and is circulated to members of relevant associations, governmental bodies and other personnel in the building and construction industry as well as suppliers of equipment, materials and services in Africa, the Middle and Far East. The editor welcomes articles and photographs for consideration. Material may not be reproduced without prior permission from the publisher. The publisher does not accept responsibility for the accuracy or authenticity of advertisements or contributions contained in the journal. Views expressed by contributors are not necessarily those of the publisher. Š All rights reserved.

COVER STORY: Africa’s Renewable Energy Revolution: 8 Piling: Improving African piling practices 10 Electrical Contracting: Choosing the best electrical contractor for your project 14 Steel Pipes:Improving the use of seamless steel pipes 16 Brick and Block Making Machine: Proper Maintenance of Brick and Block Making Machine 17

Published by Group Africa Publishing Ltd Head Office and for all enquiries: Consolidated Bank House, 4th floor, Koinange Street, Nairobi 00100 Kenya, Tel: +254 772642042, +254-20-2213607 Email: info@groupafricapublishing.com Uganda Agent Projects Unusual Uganda Ltd. Jemba Plaza, Luwum St. Kampala, Uganda Tel: +256 776 883181 bettykatongole@yahoo.com Botswana Agent Cadline (Pty) Ltd. P/Bag 494 Gaborone, Botswana.

Tel: +267 318 7101, Fax: +267 318 102 E-mail: botswana@groupafricapublishing.com South Africa Agent College Publishers CC 1st Floor, 267 Oak Avenue, Oakfields, Randburg, Johannesburg Tel: +27 11 781 4253, Fax: +27 11 781 4287 Email: info@collegepublishers.co.za Ethiopia Agent Haymi Advertising Services 22 Mazoria, Genet Bldg 4th Flr P.O. Box 1316 - 1110 Addis Ababa Tel: +251 118 955 855, Cell: +251 930 099 152

TENT

Jan - Feb 2019 Volume 30 No. 1

Editor's Comment

Improving Africa’s Piling Practices

Renewable energy a big part of Africa’s electricity goals

It is incredible how far construction

According to the International Energy Agency (IEA), sub-Saharan Africa will require more than US $30bn in investment to achieve universal electricity by 2030. Rural sub-Saharan Africa will require the vast amount of the funds, with more than 85% of those living in rural areas lacking access to reliable electricity.

companies can go to save costs.

Even to the extent of sacrificing the quality of piling – literally, the very foundation of construction.

10

Enter renewable energy sources and the fact that Africa is endowed with vast potential sources of renewable energy and the future begins to look bright. Governments as well as investors have begun to realise the significant role renewable energy can play in driving Africa’s energy goals into the 21st century.

Proper Water Storage

Public private partnerships as well as competitive tariff arrangements have seen new projects take off and more power connected to the grid than ever before and this trend is set to increase.

Every city and town in history has needed a ready source of water and a means to store this water for future use. Generally, all water

Lower cost of solar technology in particular has pushed solar power to the forefront in the renewable field offering electricity to remote regions not capable of being fed from the grid and bringing new impetus to economic activity in such regions.

Pay-as-you-go has also enabled thousands of low income households to access cheap and reliable energy harnessed from the sun in innovative and sustainable financing models.

storage systems regardless of the size need to be resistant to weather and temperature variations.

20 Water Storage: Proper Water Storage 20 Profile: Italbuild Group Commemorates its 20th Anniversary 22 Profile: Landmark Holdings Marks 20 Years 24 Project: Archidiocese of Nairobi Underground Parking Silo 26 Project: Golden Life Mall 30 Project: Symbion Projects of 2018 35 Project: Leadership Center 38

Email: ethiopia@groupafricapublishing.com

Renewable energy has the potential to substantially assist many African countries and their people to have access to energy, essential for the reduction of poverty and to ensure economic growth.

Robert Barnes

Email: kenya@groupafricapublishing.com, info@northwest.or.ke

Zambia Agent

Ghana Agent Image Consortium 1st Floor, The Ecobank Building, Tesano.

Tel: 233(0)30 223 2728 I 233(0)274807127 I +233(0)206299159 Fax: 233(0)24 882 8286 Email: ghana@groupafricapublishing.com, Calebhadjah@gmail.com

Nigeria Agent Rahma Associates B23/24, Aishetu Emoewa Plaza, 196, Iju Water Works Road, Ifako Ijaye Lga,Agege, Lagos.

Tel: 234-1-7347860 Email: nigeria@groupafricapublishing.com

Floor Tazara House

Kenya Agent Northwest Ventures Ltd P.O. Box 16414 - 00100 G.P.O Nairobi, Kenya Tel: +254 20 2679808

Rwanda Agent Kolline & Hemed Inc., B.P. 3328, Kigali, Rwanda Tel: +250 03 748106 E-mail: rwanda@groupafricapublishing.com Website: www.kollinehemed.org

Dayflex Limited, 4th.

Dedan Kimathi Road, Lusaka, Zambia.

Tel: +260 211 230 529 / +260 977 756 663 Email: makukasue@mail.com, dayflex06@gmail.com

Tanzania Agent: Group Africa Publishing Ltd tz@constructionreviewonline.com Dar-es-salaam

CORPORATE NEWS

From L-R: Amit Mody - Design Architect (WAVE Design Consultants) for Purple Haze Apartments, Deep Jitendra Nagda - Director and Mavji Lalji Varsani - Director during the International Property Awards ceremony held in London December 2018.

Kenyan Property scoops top awards at Global Fete

Kenya’s award winning property, Purple Haze, has once again scooped the Best Residential Development in Africa (2018-2019) and Best 5 star rating in Kenya. The property was also nominated for the Best in the World category out of eight nominations in the global awards held last month in London.

The residential development, situated off Dennis Pritt Road, Nairobi, was a winner during the Africa-Middle East 2016-2017 awards for the Best Architecture in Multiple Residences Africa and received a 5-star rating for the same in Kenya.

The property offers luxury residential 2 and 3 bedroom apartments as well as 3 and 4 bedroom penthouses all designed in modern living architecture and fitted with world class equipment. The annual awards recognize quality of design, construction and presentation of property developments by celebrating the highest levels of achievement by companies operating in all sectors of the real estate industry in the world. The property was designed by international architect Amit Mody of WAVE Design Consultants, Singapore.

LafargeHolcim Tanzania launches Building Materials Academy

KOHLER’S Real Rain shower heads rival nature

LafargeHolcim Tanzania (Mbeya Cement Company Limited) has launched a Building Materials Academy for its clients.

KOHLER a globally celebrated

This ”state-of-art” Training Centre is the first to be established in the country. It will back the country’s industrialization agenda by providing education on LafargeHolcim's cement product specification and uses; as cement plays a key role in construction of infrastructures.

forefront of the bathroom and

The training centre will bring together contractors, architects, quantity surveyors, masons, builders and provide them with knowledge on how best to use cement on different projects.

approach, Real Rain bears

All stakeholders are urged to chipin and learn all issues related to building materials as the training will be free of charge. The Academy was launched by country CEO Ms. Ilse BOSHOFF. The event was attended

by French and Swiss Ambassadors to Tanzania and Deputy Minister for Works, Transport and Communication.

rain is non-uniform. Reminiscent

brand which sets itself apart with cutting edge technology and exemplary design that is at the

kitchen manufacturing industry; are now releasing a shower system that rivals nature itself called Real Rain.

Due to KOHLER’S scientific

impressive similarity to nature with different droplet sizes, different drop rates and random formations that are as natural as

of the way summer rain feels on your skin, Real Rain’s large square panel is broad enough to envelop you in water thanks to an impressive 775 nozzles that release droplets via gravity, rather than pressure.

Denmar signs partnership with Wavin as their official East African distributor Denmar Group has signed a partnership with Wavin, a leading supplier of plastic pipe systems and solutions; to be their official distributor of their plumbing products in Kenya and East Africa.

Speaking at the launch, Joel Sibanda Wavin’s Director of Business in Africa said that this partnership is the beginning of a transformation on how contractors look at water and plumbing systems in Kenya and East Africa at large, it terms of sustainability into the future through uncompromised quality.

“We are here to rubber stamp this partnership as we look forward to localizing the product which will in turn have a positive effect on cost and availability. In that regard, we will provide all the needed technical support to Denmar because we know their success is our success,” he added

Wavin connects to better solutions for above and below ground projects.

4

As one of the longest established names in the market, Wavin built its reputation on over 60 years of high quality and innovation.

It connects to better solutions for above and below ground projects in the following

CR | Jan - Feb 2019

application areas: water management, heating and cooling, water and gas distribution, waste water damage and datacom.

According to Denmar’s Managing Director Mr. Christopher Irungu, this partnership will transform the construction industry by bringing together quality, superior technology and technical expertise in the plumbing sector.

“We believe that this collaboration is a perfect fit for customers that care about the quality of materials used in their projects,” he asserted.

Headquartered in Zwolie, the Netherlands, Wavin has presence in more than 25 countries and about 40 production sites in Europe. The company has a network of distributors and licenses on other continents.

Wavin is a subsidiary of Mexichem: a global leader in plastic piping and one of the world’s largest chemical and petrochemical companies.

www.constructionreviewonline.com

EVENTS

Powering Africa Summit, February, Miami 2019

2nd Buildexpo Ethiopia, Addis Ababa – 21 – 23 March 2019

The Africa Energy Forum 11-14 JUNE 2019

International Trade Exhibition on Building, Construction, Mining and Water Technology

The Africa Energy Forum (AEF)

The 5th Powering Africa: Summit (PAS) will take place for the first time in Miami from the 25-27th February 2019. The

is the global investment meeting for Africa’s power, energy,

“Africa is the world’s biggest untapped market.

Whomever gets there first, gets the most.”

infrastructure and industrial sectors.

Summit will welcome over 370 investors and decision-makers to Miami from across North America, Africa and Europe to present energy projects, discuss investment opportunities and build relationships within the international power community.

The largest building and construction exhibition brand in East Africa, Buildexpo Africa, is back in Ethiopia.

The 2019 edition of the event features multiple product categories including building material, construction machinery and equipment, steel and aluminium, glass, doors and windows, hardware and tools, paints and coatings, water and pipe Systems, HVAC, bathroom and kitchen, architectural finishing products and more.

A pioneer of the industry, for the last 20 years AEF has gathered governments, utilities, power developers, financial institutions, power technology providers, EPC contractors and consultants from all over the world to discuss investment

Agenda topics:

and projects in Africa’s energy

US Policy on Africa

sector. The Forum has evolved

US/Africa Ministerial Round Table

into the number one platform to

Gas policies and generation

attend meetings, do deals and drive

The alliance between IFI and public sector

projects forward, all under one roof.

utilities

For more information about how

FinTech – increasing efficiency and

to attend, visit www.africa-energy-

collections

forum.com or contact AEF@

Off-Grid Energy Access

energynet.co.uk

Kenya - Architectural Association of Kenya

- Ethiopian Association of Civil Engineers

- Institute of Engineers of Kenya - Association of Consulting Engineers of - Kenya - Association of Professional Societies of East Africa APSEA)

Nigeria

Zimbabwe

- Association of Consulting Engineers Nigeria - Association of Professional Women

- Zimbabwe Institute of Engineers

- Institution of Surveyors of Kenya

Association Partners

- Construction Contractors Association of Ethiopia

- Zimbabwe Institute of Quantity Surveyors

- Kenya Property developers Association

- The Construction Industry Federation of Zimbabwe (Cifoz)

- SAICE

- South African Council for the Quantity

and Quantity Surveyors (AQSRB)

- Association of Ethiopian Architects

- Institute of Quantity Surveyors of Kenya

South Africa - ASAQS

- Tanzania’s Registration Board of Architects

Ethiopia

Surveying Profession

Ghana - Ghana Institute of Engineers

Engineers Of Nigeria - Council of Registered Builders of Nigeria - The Nigerian Institute of Architects - American Association of Petroleum Geologists Africa Region

- Khuthaza ( Women for Housing)

- Architects Registration Council

- Concrete Manufacturers Association

- Ghana Institute of Surveyors

- Green Building council of SA

- Ghana Green Builders Association

- South African Property Owners Association

- Ghana Institute of Planners

- Master Builders South Africa

- Association of Building and Civil Engineering

- Building and Construction Skilled Artisans

Contractors of Ghana

Association of Nigeria (BACSAAN)

Uganda

- Nigeria Society of Engineers - Nigeria Institute of Architects

Institute of Surveyors of Uganda

Namibia

Uganda Institute of Professional Engineers (UIPE) &

Institute of Namibian Quantity Surveyors

Zambia

Uganda society of Architects

Association of Consulting Engineers of Namibia

- Zambia Institute of Architects (ZIA)

Botswana

- Tanzania Institute of Quantity Surveyors

- Institute of Botswana Quantity Surveyors

Tanzania

- Construction Regulation Board (CRB)

www.constructionreviewonline.com

- Association of Building and Civil Engineering Contractors (ABCEC).

Jan - Feb 2019 | CR

5

EVENTS NEWS MANAGEMENT

QUALITIES OF AN EXCELLENT COMMERCIAL ROOFING CONTRACTOR

I

t is advisable to not just hire anybody for your roofing needs. It is important to begin by understanding the type of services you will require and the budgetary allocation to help you achieve your desired project.

Here are the factors to look for in a good roofing contractor Qualification and experience As a project owner, always look for the commercial roofers who have done a lot of projects. This is important in ensuring that the contractors have the required experience in whatever they do. It also limits the occurrences of errors since they are used to carrying out such tasks for quite a long time. Experience counts for a lot in this industry. Therefore, experienced roofers would have your project done most professionally and accurately.

Qualification is always paramount if it comes to commercial roofing. If your 6

within the site. Go for that company which offers warranties too. Most of the roofing firms do not provide guarantees and this is a sign about their that they do not believe in their services. Avoid such contractors at all costs.

property is a commercial one, don’t employ domestic roofers. Look for those contractors who are most qualified in the commercial roofing industry and hire them. In most cases, look for the applicators who are factory trained. They have the best knowledge of what they have to do from scratch, hence offer the best quality roofs.

Insurance Regardless of how excellent the contractor might be regarding roof installation and repair, there is always a room for an accident within a construction site. As a result, a project owner must always ensure that the selected contractor for roofing services has a valid insurance cover for everyone working within the premises.

This will help in covering both the roofers as well as the owner of the property.

However, if you chose a contractor without any insurance cover, you as a property owner is bound to pay for all the damages

CR | Jan - Feb 2019

Clientele and Portfolio Before hiring any commercial roofing contractor, inquire about who their other clients are. Always ask for a job portfolio where you can be able to view their previous projects. As such, you will be assured of what they are capable of doing.

You will also be able to see their quality as well as their commitment to the task you are about to give them.

Additionally, you can move further and ask one or two previous clients regarding the contractor.

This will ensure that you have full information on who your contractor is.

Location Lastly, it is always the best thing ever to hire commercial roof contractors who live and have all their operations carried out within your locality. Such roofers have a better understanding of the weather condition as well as the climate of the place. Therefore, they will be able to provide roofing services consistent with the possible climatic situation in the area. www.constructionreviewonline.com

COVER STORY Noor-Ouarzazate complex in Morroco

Africa’s Renewable Energy Revolution

T

he world has stepped up the developmentof renewable forms of energy both to reduce reliance on finite fossil fuels and to curb the accompanying green house gases that threaten a global armageddon. A principle catalyst in this drive has been the reduction in cost of renewable energy technologies. According to a report by the International Energy Authority between 2016 and 2040, renewables will take up 50 percent of new investment in power production led substantially by solar power followed by wind.Here in Africa we are seeing a revolution in this sphere driven by homes, communities and companies investing in solar PV units to provide power for consumption. On the commercial side, promoting competitive practices rather than feed-in tariffs has also driven down costs and increased construction of renewable energy plants across Africa.

These competitive practices are best exemplified in South Africa where a robust and transparent RE Independent Power Producer Procurement program has attracted more than US $15bn in finance from international and domestic investors, with nearly 6,400 megawatts of renewable electricity capacity procured in over 100 projects. The country recently announced the signing of agreements of the 27 projects procured under the program. According to the Minister of Energy Jeff Radebe, the procurement is the biggest IPP procurement by the Department of Energy to date, representing a total of US $4bn of investment 8

and about 2 300 MW of generation capacity to be added to the grid over the next five years.

“This investment injected by the private sector into the economy, with no contribution from government other than support to Eskom in the event of a default by the buyer will have a positive impact on the economy and competition in the energy sector will certainly benefit the consumer,” he added.

Despite this success and although investment in the green energy sector offers potentially attractive returns, RE investors face a number of challenges. The prevalence of political, economic, technical, and environmental risks on the continent means that investors demand higher returns, raising the cost of capital.

Some of the main obstacles are uncertain or inadequate policy and regulatory frameworks, underdeveloped capital markets, insufficient effective demand, and a lack of managerial and technical capacity.

decentralized energy service companies, or DESCOs, to customers in low-income rural communities. Both approaches have an important role to play in Africa’s evolving energy story.

In the large scale sector, in the Northern part of Africa, the Kingdom of Morocco has been a pioneer of concentrated solar power. The 580 MW Noor-Ouarzazate complex is due for completion this year and will be the world’s largest CSP complex. The Noor plant is partially funded through a green bond issued by the Moroccan Agency for Solar Energy.

The Noor-Midelt complex will be Morocco’s second concentrated solar power (CSP) complex built under the Noor Solar Plan.

It is not all doom and gloom though because a number of significant RE projects have recently been completed or are currently underway in several African countries in the area of solar, wind, hydro power and even geothermal.

The Solar Plan which received US $125m additional funding from the World Bank is a critical component of the country’s goal of producing 52% of its electricity through renewable energy by 2030. According to MoezCherif, World Bank lead energy economist for the Maghreb, the design of Noor-Midelt relies on proven technologies that will be operated in a pioneering way to take advantage of the benefits of both CSP and PV technologies on a single site.

Solar development If we take a look at solar power, broadly, these projects fall into two categories: Largescale, grid-connected RE projects, which are typically financed by large institutional investors and governments; and small-scale, off-grid solar power systems provided by

In many parts of Africa mini-grids and offgrid solar PV systems have experienced cost reductions of upto 60% since 2012 and in addition have offered better quality electricity to consumers. Investors have latched onto this opportunity with several startups such as MKOPA investing millions to bring lighting

CR | Jan - Feb 2019

www.constructionreviewonline.com

The Grand Ethiopia Renaissance Dam.

energy in Africa but despite its long history, Africa produces only 3 percent of the global capacity and has only exploited to date about 10 percent of its potential.

Lake Turkana Wind Project -Turbines

to thousands with pay as you go models. The international Renewable Energy Agency (IRENA) estimates at Africa could become home to 70 GW of solar PV by 2030.

Wind power Wind power development is second only to solar when it comes to attracting investment.

The success in South Africa’s private public partnership has seen 1,170 MW of wind turbine capacity installed and 840MW in the pipeline.

South Africa’s target is 8,400 MW by 2030 placing it by far the leader in installed wind power generation followed by Morocco and then Egypt.

In the East African country of Kenya, Africa’s largest wind farm, the Lake Turkana Wind Power Project has only recently been connected to the grid with an estimated 300MW of electricity. The US $680m project represents a large scale demonstration of clean energy technology and will lead to the reduction of up to 736, 615 tons of CO2 equivalent per year based on conservative estimates. It is also a good example of innovative financing for energy projects.

The deal had a unique public-private aspect in terms of generation (private sector, by Lake Turkana Wind Project) and transmission (with the ancillary 428 km transmission line being procured and delivered by the public sector. All stakeholders worked closely together to minimize project-on-project risk.

Moreover, African Development Fund applied its first partial risk guarantee to the associated T-line to mitigate T-Line delay risk (which is otherwise covered by delay payment obligations of the Kenyan Government to the project company and its lenders). AfDB used its B-Loan structure, allowing participant banks to benefit from its preferred creditor status.

The project also showed some innovation in how the liquidity risk was managed (by a combination of letters of credit and escrow account arrangements) that demonstrated some out-of-the-box thinking by government, sponsors and lenders alike.

Hydro electric power Hydroelectric power generation has been the oldest form of renewable

Hydro electricity in Africa has become synonymous with Ethiopia in recent decades and itis considered to have Africa’s second largest potential second only to the Democratic Republic of Congo which has the potential to generate 100,000MW of hydro power. Currently Ethiopia has an installed capacity of over 4000MW with another 6000MW under construction with some record breaking dams soon to come on-line such as the Grand Renaissance Dam which will be the largest dam in Africa.

When interconnectivity of transmission lines is completed through East Africa and the Southern Africa power pool, Ethiopia will become the largest exporter of electrical energy on the continent. Over 14000MW is expected to come online by 2020.

Geothermal power Kenya is the continent’s leading geothermal power developer with an installed capacity of 700MW placing it ninth in the world. Recent capacity additions at its Olkaria plant have been financed through the state-owned utility Kengen, supported by the Kenyan treasury, the World Bank and the European Investment Bank.

Ethiopia is also looking to join this club. The country early this year signed a Power Purchase Agreement (PPA) with Reykjavik Geothermal Ltd., a developer; geared towards turning the country into a an exporter of electricity to the region through channeling at least US $4bn into geothermal projects across the nation. According to the electricity and water minister Seleshi Bekele, the government is seeking to quadruple Ethiopia’s power generation by 2020 and expand power sales abroad that now bring in about US $90m a year.

These examples of large-scale RE projects show that various financing sources, including donors, development finance institutions, governments, and private investors, and mechanisms such as grants, loans, loan guarantees, corporate finance, and equity injections have been successfully deployed in Africa. Although public investors have played a critical role in many of Africa’s successful RE projects to date, constraints on government budgets have meant that privatepublic partnerships and independent power producers are becoming increasingly popular in Africa’s nascent energy transition. The various economic and institutional obstacles can be surmounted through the implementation of appropriate policy frameworks, regulations and incentive structures. These can help to attract the necessary finance that can unlock the huge potential of Africa’s energy resources and contribute to the continent’s sustainable development.

www.constructionreviewonline.com

Jan - Feb 2019 | CR

9

PILING

Improving Africa’s Piling Practices

S

ub-Saharan Africa’s construction

displacement pile can be used in many

strata, to which the structural loads are

industry could be losing a fortune

different soil conditions and restricted

transmitted, can support the loads without

dollars in project maintenance costs

areas.There are also other methods of piling

failure or excessive settlement. Except for

by which the soil is removed by means of

end-bearing piles founded on rock, piles

augured piles.

depend upon the surrounding soil or that

due to poor piling practices.

It is incredible how far construction

beneath the pile tips for support.

companies can go to save costs. Even to

Procurement due diligence

the extent of sacrificing the quality of

When engaging a piling contractor, the

Groundwater conditions often dictate

piling – literally, the very foundation of

customer should consider the following

the type of piles that must be used and

construction.

•

The feasibility of the system used.

influence the load-carrying capacity of

•

How accessible the terrain is for the

piles. Adequate soil exploration, testing,

piling companies and their machinery.

and analysis are prerequisites to the

Time restraints should be reasonable

successful design and construction of all

and achievable.

except crude, hasty pile structures.

In the course of cutting corners, the quality of the construction project is

•

greatly compromised. It all starts from the foundation; if it is mediocre, the end

•

product is most likely to be mediocre; there

An open mindedness to new systems and procedures.

Installation professionals

are no two ways about it. Penny-pinching

•

Availability of the piling company.

Lastly, quality piling does not mean much

companies have more to lose and virtually

•

The cost effectiveness of the piling

without engaging those who know how to

operation.

put them in. Choosing the right team for the

nothing to gain. Developers therefore need to adopt best practice when it comes to

job is just as important as picking the right Selecting the best piles

materials for the piles. Project owners must

Doing the right thing also involves

do the research, and speak with trained

Doing things the right way does not cost

choosing the best piles for the job. The

professionals to understand everything that

much at least in the long run.The most

following are some factors to consider

will be involved in their deep foundation. It

basic approach needs to first take into

when selecting the right piling for your

is important to find a company that has the

consideration the soil profile. The mistake

project:

experience, expertise, and resources it takes

piling.

which construction companies make is

to get the job done right.

that they utilizepiles in situations which

The site

they are not recommended for. The driven

Foundations are successful only if the soil

10

CR | Jan - Feb 2019

www.constructionreviewonline.com

ADVERTORIAL

EcoQuip™ 2 More power, more portability, more applications Graco’s EcoQuip™ 2 vapour abrasive blasting equipment eliminates up to 92% of airborne particles while achieving removal rates comparable to traditional dry blasting. New models extend its capabilities and application range.

T

o prepare a surface for effective corrosion protection, sandblasting is a commonly used technique. However, the major disadvantage of sandblasting is the vast quantity of dust produced. Apart from the health and safety issues of clouds of dust – not only for the operators but people in the immediate vicinity – dust disposal is costly.

The cost and disposal of the abrasive also has to be taken into account. Graco has been concerned with these issues for a number of years and has developed a revolutionary alternative to sandblasting: vapour abrasive blasting with EcoQuip™.

What is vapour abrasive blasting?

The difference between vapour abrasive blasting and sandblasting is the use of water.

There’s nothing new about wet abrasive blasting; it’s been aroundsince 1941.

However, the process was never perfected.

Graco has taken an existing technology and greatly improved it.

Graco’s new developments in wet and vapour abrasive blast technologies include increasing production rates to decrease water consumption; optimizing the air, water and media ratio for optimal performance; and achieving the same profile compared to traditional blasting methods.

Introducing EcoQuip Graco’s vapour abrasive blast equipment is sold under the name EcoQuip. It providesa performance equivalent to sandblasting but with 92% less dust, thus minimizing the need for PPE, tenting and containment, and decreasing environmental impact.It uses up to 75% less blast media and far less water than wet blasting, and creates little run-off, thus there is no large slurry mess to clean-up and dispose. It’s effective in rain and high humidity, and efficiently removes coatings without damaging the sub-surface.The bottom line is that EcoQuip reduces project costs while increasing the speed, efficiency and productivity of blasting.

Less dust: it’s proven EcoQuip’s reduced dust production has been proved by a 3-day study conducted in 2014

by Applied Environmental Sciences, Inc. It compared airborne particulate concentrations produced by vapour abrasive blasting versus dry abrasive blasting.

In a nutshell, Graco’s approach to vapour abrasive blasting involves adding water simultaneously with the abrasive media in a pressure pot.The abrasive becomes suspended in water, and the mixture is then projected at high velocity by a forceful flow of compressed air.

Over the course of the three days, multiple air samples were collected in the vicinity of the Graco EcoQuip EQ 300S vapour abrasive blasting machine and a commonly used competitor’s dry blasting machine. The study was designed to collect triplicate airborne dust samples during multiple, randomly ordered runs using all possible combinations of the two abrasive blasting machines, three different blasting media (garnet, glass bead and coal slag) and one blasting target (a steel plate). Samples were submitted to an accredited laboratory for analysis of total airborne particulate concentrations.

By encapsulating each blast particle with water, extra weight is added to the media which enlarges the impact of the blast media on the substrate. In addition, the removal and feathering of the material goes smoother and less media is used. The water reduces splash back and traps the dust being produced.

The results show that average airborne particulate concentrations were lower when using the EcoQuip vapour abrasive blasting equipment than those produced by the competitor’s dry blasting equipment.

In the case of garnet and coal slag blasting media, reductions in weight of total airborne

12

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particulates generated were 91% and 92% respectively, compared to the competitor’s machine. When using the glass bead abrasive medium, the EcoQuip yielded a 71% reduction in airborne dust. These numbers support the claim that a substantial portion of the cloud observed when using the EcoQuip equipment is, in fact, water mist.

A step up:EcoQuip2 Graco’s new EcoQuip 2 range includes more models to extend the ease of use, overall power and application range. EcoQuip 2 can be used for concrete repair, coating removal, steel surface preparation and graffiti removal.

The versatility of EcoQuip 2 means it’s easy to switch from one application to another.

EcoQuip 2 is designed to accept any media heavier than water and has a blast rating of up to 12 bar (175 PSI). With EcoQuip 2, contractors are no longer limited to just one or two types of jobs. For example, instead of focusing solely on steel surface preparation, a contractor can now expand his business into the concrete repair or restoration market using the same equipment.

EcoQuip 2 EQm is a compact entry-level unit. The built-in hand truck with over-sized wheels makes the EQm easy to move around the job site. This compact blaster is capable of handling any type of project, from cleaning to surface preparation.

• Fits in the bed of most standard pickup trucks • Blast pressure ranging from 1.7-12.1 bar (25-175 PSI) • Oversized wheels for easy portability • Pot size of 100 L (3.5 cubic ft) - holds approximately (8) 25 kg (55 lb) bags of media EcoQuip 2 EQs is a high production, entrylevel skid unit designed to tackle most typical blasting projects.

To read more and to comment on this story visit: http://www.constructionreviewonline.com www.constructionreviewonline.com

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ELECTRICAL CONTRACTING

Choosing the best electrical contractor for your project

C

hoosing the right electrical contractor to do work at your home or business can be a daunting task, particularly if you’ve never worked with a contractor before. An electrician may

be necessary when you are working on the electricity for a remodel, repairing or installing a heating, air conditioning or HVAC system, or when you are simply in need of professional electrical services. Here we look at 4 tips on how to choose an electrical contractor to work with, from asking the right questions to selecting the right electrician for your

Check credentials When you interview each electrician, you should evaluate their experience and capability, based on their past work. According to

needs.

Eng. Paul Makau of Electromag Engineering Company, having

Check licenses

out if each electrician has the proper license.

experience in the industry is very important. You should also find

Going with the lowest bid on your project might save some money in the short term, but you need to make sure that the commercial electrician you choose has the appropriate licensing and insurance for the work you need completed. A licensed electrician by law must carry a worker’s compensation and liability insurance for accidents and injuries that might occur at the working site. Hiring someone that only carries the minimum is opening yourself to risk, so never be afraid to ask a company for a copy of their insurance certificates. This is very common and they should have this information readily available. Note that bonded electricians have insurance that covers you if your electrician abandons the project and disappears.

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CR | Jan - Feb 2019

Don’t be afraid to ask the company what size jobs they typically do and what kind of jobs they have handled in the past. You do not want to be a new company’s first “big job” or push a small company to the financial limits to perform your work. If they ask for large down payments or want you to purchase the materials that is a sign you need to find someone with more financial stability.

Check references References still mean something in an increasingly digital world. So, find out as much as you can about the kind of jobs the commercial electrician has done. Then, ask for and call prior

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A licensed electrician by law must carry a worker’s compensation and liability insurance for accidents and injuries that might occur at the working site

clients to assess their satisfaction with the work done. If you can, ask the electrical contractor to provide the contact information of recent clients for the same work being done on your home. Though it’s timeconsuming to do this for each company you evaluate, make sure to follow through on the top three to five picks.

It’s relatively easy to look each company up online and check out their website and reviews. Look for online portfolios, customer testimonials and any other information that helps you decide which company to choose. The internet is a great resource when you are looking for information, but it isn’t always reliable. Since not all information on the web is factual or accurate, you should consider word of mouth reputation as well.

Get the details in writing After choosing your local electrician, it’s time to get the proposal in writing. It must include all the necessary details that precisely reflect your goals and needs for your project.

While choosing an electrician can seem exhausting, these tips can help you choose the best contractor for your needs.

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15

EVENTS STEEL PIPES NEWS

IMPROVING THE USE OF SEAMLESS STEEL PIPES

T

he use of seamless steel tubes has increased in the construction industry due to its positive effect. However, getting such high quality comes with a complicated processing process.

For seamless steel pipes, the process equipment is a bright furnace which is mainly used for the stainless steel product. This is heat treated under a protective atmosphere.

Heat treatment When the application performance requirements of seamless steel tubes are different, the requirements for the metallographic structure after bright annealing are different, so the process of bright heat treatment will also be different.

After cold working, residual stress is left in the seamless steel pipe material. The residual stress is very unfavorable to the stress corrosion cracking of the pipe. Any degree of cold working will result in a significant increase in the resistance to stress corrosion cracking of the material.

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The degree of cold working also has an adverse effect on the high temperature endurance of austenitic stainless steel. The higher the general working temperature or the higher the fracture life requirement, the lower the degree of cold working.

Improving the use of seamless steel pipe From the above introduction, it can be known that the heat treatment process of the seamless steel pipe is rather cumbersome, and in order to obtain a qualified metallographic structure, the adjustment section of the cooling section of the bright annealing furnace is required to be large.

The current advanced bright annealing furnaces often use strong convection cooling in their cooling sections, and three cooling sections are provided, which can individually adjust the air volume. It is divided into three sections along the width direction of the strip, and the cooling rate in the width direction of the strip is adjusted by the air flow guiding to control the plate shape.

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Uniformity of the strip Another important problem in the heat treatment of cold-rolled strip steel for seamless steel tubes is that the entire strip is required to be evenly distributed in width and length.

The muffle-type bright annealing furnace uses a large-sized muffle tube to uniformly wind the heating airflow from the outside of the muffle tube to evenly heat the strip. To ensure uniformity of the strip along the length of the strip, it is necessary to maintain the linear speed of the stainless steel strip in the furnace.

The roller tension adjusting device can be precisely adjusted before and after the current advanced vertical heat treatment furnace. It not only needs to make the strip import and export speed meet the requirements of heat treatment speed, but also ensure it is not affected by the empty sleeve or full sleeve of the live sleeve.

It is also necessary to establish and precisely adjust the small tension of the strip according to the plate shape of the strip to meet the stainless steel plate type requirements.

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BRICK AND BLOCK MACHINE

Proper Maintenance of Brick and Block Making Machine

Before you start the equipment, ensure every part and program settings are okay

M

ost brick and block making machines work in sand, gravel, rain, and other harsh environment. This means their technical condition must be better than the other machinery, since the parts will experience different degrees of loosening, wear, and corrosion, resulting in the decline of their performance, economic reliability and eventually leading to machine downtime. Thus, we must attach importance to technical maintenance of these machines.

While extensive care is needed, a few simple steps cannot only help prolong its life but also maximize its performance.

The following are two tips that need to be considered before actually moving to maintenance: Never neglect abnormalities: In case of any abnormalities detected, the machine should be shut down as soon as possible and the reason for the abnormality should be investigated. A small fault can ultimately lead to break down of the whole system, so the fault should be attended in time. www.constructionreviewonline.com

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An unskilled person performing maintenance and servicing is much worrying than not maintaining machines at all

Always have trained professionals handle the machines: An unskilled person performing maintenance and servicing is much worrying than not maintaining the machines at all. A fault neglect or not attended properly can result in a bigger fault in future, hence it should be made sure that every repair and servicing is done by skilled professionals only.

The purpose of mechanical maintenance is to ensure the block making machine is always in good technical conditions, and reliable, efficient and has a longer lifespan.

The following are four tips to ensure a proper brick and block making machine maintenance: 1. Routine checking Before you start to operate the brick

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machine, check the fasteners of the machine carefully and make sure they are tight. The lubrication parts should also be lubricated according to the requirements.

2. Regular inspection Check whether the mechanical control system and limit switches are normal or and make sure the control components are functioning as required.

3. Read and understand the equipment manual Before you start using the equipment, ensure that every part of the equipment, the program settings and so on are okay.

Use the machine according to the operating procedures, observe its operation condition, and once you notice any abnormalities, the machine should be shut down in time.

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Ensure you clean the machine as per the equipment manual after usage.

4.Maintenance in low temperature When it comes to any heavy machinery, production is not the same during low and high temperatures, the atmospheric condition makes a huge difference and hence various changes in production are important to be considered. Often in production, water is used as part of the raw materials materials and low temperature may cause the materials to freeze. To avoid this, usage of antifreeze should be motivated and applying insulation to raw products is also suggested. Lubricants can also be affected in low temperature hence an antifreeze for lubricants is also suggested.

Before placing machines to sleep, it is advised to drain all the hydraulic fluids to avoid freezing.

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19

WATER STORAGE

PROPER WATER STORAGE

W

ater supply flow rates never

structurally and resistant to wind and seismic

exactly match water usage rates.

loads; and have to stand on their own without

During periods of excess inflow,

the support of structures such as exterior

storage of water is necessary for use during

columns and reinforcements.

peak demand times or for emergencies such as fires. Every city and town in history has

They must also be able to screen out

needed a ready source of water and a means

impurities like debris and disease vectors,

to store this water for future use.

provide an architectural appearance that is aesthetically-pleasing; and the lining should

Storage facilities vary in size depending on consumer needs.

The water tower’s reservoir is usually sized to be sufficient for most emergency and peak use conditions. This provides a sure capacity for the water supply system as the level in the tower falls with use during a typical operating day and is pumped full again during the night.

Consumer needs both big and small

have coatings that reduce maintenance

Different consumers have different needs for

costs including the need to paint. In the

stored water. Therefore, a consumer chooses

case of steel and concrete tanks used for

a certain storage facility size depending on

potable water storage, their lining need to

the need. The main reason for this difference

meet certain standards in as much as they

is the outside use of water for gardening,

are unique; they also have to maintain good

swimming pools, and use in hot arid climates;

bonding strength and staying power.

a particular tower. It can be a challenge in terms

and showers, clothes washing, cooking,

Water Storage structures and fittings

fittings and assemblies that meet the operation

dishwashing, and drinking.

The most common means of storing water

by comparison to indoor use for toilets, baths

for domestic urban, suburban, and township

Often unseen are the internal fixtures and piping that make up the heart of the tank’s distribution mechanism. The fixtures can be mostly specialized and even customized, to be used in of engineering and manufacturing to provide the requirements for these systems.

Stainless steel Vs other water storage tanks

Moreover, not every water storage operation

use are water towers. These are elevated

has to include a massive tank and distribution

structures that support a water tank at a

system servicing an entire town. Businesses

sufficient height to allow for an elevation

and individual residences especially those

head whose resultant pressure allows for the

in rural areas can take advantage of water

efficient distribution of water through its

storage systems measured to their needs.

system of water supply pipes.

these products is the stainless steel tank which

Operational requirements and health

Such a system is immune to electrical power

materials. The biggest advantage of these tanks

standards

outages hence the reliance of gravity to

Generally, all water storage systems

provide water flow is quite efficient. Water

regardless of the size need to be resistant

distribution and all other water operations can

to weather and temperature variations,

therefore continue even if there is a power

must possess mechanisms to minimize

outage. No pumps are required, except when

the formation of algae and thereby reduce

refilling the tank’s reservoir.

chlorine treatment costs, have to be stable 20

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materials Storage tank manufacturers have gained a lot from advanced tools to facilitate more mechanized product manufacturing. One of has a number of advantages over the other is their extreme durability, which is greater than other types of tanks. These tanks require little maintenance in comparison to the other available options. When it comes to storage tanks, the excellence of stainless steel is far more remarkable and outstanding. The following are some of its advantages: www.constructionreviewonline.com

is recyclable in nature. New stainless steel items are comprised of approximately 60-70% of recycled material, thereby representing stainless biodegradable.

Hygiene Stainless steel tanks are easy to clean and Large- scale water storage facilities can be built to look like natural ponds and lakes.

Durability

stainless steel storage tank can endow with

Stainless steel is much more resistant to

added fortification, and it is proficient to keep

corrosion in comparison to ordinary steel.

stored items in the best condition. There is

Stainless steel tanks are very durable, and

absolutely no risk involved such as cracking,

they offer a relatively high resistance against

freezing, and rust.

rough materials. They will last longer than an ordinary tank, and are not affected by any

Recyclability

vulnerability. It is obvious that the quality

Stainless steel is a highly stain resistant metal

and safety of your product in storage will

alloy, and is considered an environment

be the main consideration to you. Plastic or

friendly material. The production of stainless

Wood Storage tanks can break, and can also

steel employs the use of natural resources

be affected by intense cold or heat. Using a

and energy. It is a long life material and

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hygienic. In comparison to other tanks, they are more advantageous because of established physical and chemical attributes. A tank made of stainless steel augments the hygiene of the stored water. These tanks are not only long-lasting and sturdy, but undeniably very hygienic.

The use of stainless steel storage tanks transmit many advanced qualities, as contrasting to the other materials. If you are looking for the most durable, sturdy and alluring storage tanks, stainless steel is evidently the best choice.

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PROFILE

ITALBUILD GROUP COMMEMORATES ITS

20TH ANNIVERSARY

I

talbuild Group marked 20 years of professional excellence in roofing and waterproofing while launching Scala Enterprises Ltd. The 20th anniversary was attended by the Italian ambassador to Kenya- Dr. Alberto Pieri, the CEO of Itabuild Group, Mr. Vittorio Veneziani, the Directors, Mr. Philip Ndolo and Emanuela Nesta Veneziani. Some of their suppliers: Mapei Kenya, and Clients Mrs. Jennifer Barassa, CEO, Top Image, architects, quantity surveyors, engineers and contractors were also present.

“We had a reason why we established Italbuild Group. The reason is because of the spirit given to us by our CEO and what we sought was to bring quality products in the construction industry in Kenya. The quality of work we do in the industry will even grow further especially with the help of Scala,” said Mr. Philip Ndolo.

The main objective of Scala is to become the market leader in Kenya by making use of experience and technology. Its specialty is in interior decoration items including kitchens, wardrobes, vanities, doors, flooring and gypsum ceilings.

Scala owes its success to its unique designs, the quality of work they do and its seriousness in the market. They are professionally competent and its rejection to shortcuts gives them an edge when compared to their competitors. The exposure of their staff is also a plus: some of them have been in the organization for more than 18 years, a number having been trained in Europe and also in Kenya.

Although Scala represents some companies in East Africa, they definitely plan to expand and have offices in other markets across 22

CR | Jan - Feb 2019

Africa, probably Rwanda, Ethiopia, Tanzania or Uganda. This will in turn increase their sales and number of projects in the region.

If you are looking for a way to meet all that you require from your home or office and make it the focus of all eyes at the same time, look no further than interior design from Scala Enterprises Limited.

About Italbuild Group Limited Italbuild Group Limited was established in July 1997 and it's now two groups in one: Italbuild imports the latest roofing and waterproofing solutions and Scala Enterprises whose key focus is interior concepts and outfitting is also an essential part of the organization.

Some of the most prestigious projects undertaken by Scala are: the full internal refurbishment of the CBK office in CBD, the complete overhaul of the residential properties of the Canadian High Commission, the Green Roofing of the Swiss Embassy and many others.

Italbuild’s Group satisfied clients include: government ministries and state corporations like ministry of Public Works, Ministry of Housing, Kenya Ports Authority, National Cereals and Produce Board, Kenyatta International Conference Center, Kenyatta National Hospital, Kenya Airports Authority, and Kenya Bureau of Standards, J.K.I.A, Moi Airport and many others.

The company has also done projects for private hospitals like the Nairobi Hospital, and MP Shah Hospital; corporate companies like Serena Hotels, Hilton Hotels, Sopa Lodges, Mobil Oil, Victoria Towers, Regent management, Knight Frank, and Sameer Group of Companies. www.constructionreviewonline.com

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PROFILE

Landmark Holdings Marks 20 Years

L

andmark Holdings Ltd (LHL) is a

Crystal Rivers (a mixed use development for

leading building and civil engineering

Safaricom Pension Scheme), Kenya Civil

contractor based in Nairobi, Kenya.

Aviation Authority Headquarters, JKUAT

The company has been in operation since

SRBS Tower (an 18-storey commercial block)

1999. Since its inception, LHL has established

and Forensic Laboratory for the Kenya Police

itself as a formidable player In the local

among many others.

construction scene, successfully completing numerous projects across the country in

Civil Engineering

various categories such as residential,

LHL is fully equipped with heavy earth

commercial educational, government and

moving equipment, road construction

mixed use.

machines, pipe laying tools and sophisticated survey equipment which allows the company

Services

to undertake design and construction of major

Building Construction

roads, bridges irrigation and pipeline projects.

LHL has undertaken a number of complex

Alternative Building Technologies

building projects including highrise

Joinery & Carpentry

commercial, multi-level basements, housing,

At the Head Office, LHL boasts of a 50,000

high-rise housing, shopping centres, healthcare

square foot fully fitted wood workshop capable

institutions, educational facilities and public

of manufacturing doors, door frames, kitchens,

sector facilities. They are fully equipped to

wardrobes, specialized form works and

execute several projects at the same time in

furniture.

and around Nairobi. Signature projects include

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CR | Jan - Feb 2019

JKUAT SRBS Tower

The company is also able to offer its clients alternative methods of construction such as precast construction, pre-stress concrete construction solutions, and expanded polystyrene (EPS) building solutions that result in increase in delivery speed and quality.

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KCAA Headquarters

International Sports Academy

Aluminium Works LHL has an aluminium workshop covering 20,000 square feet capable of manufacturing and assembling aluminium windows, doors and curtain wall systems. It is fully equipped with the required cutting and welding machines.

Stone Cladding The company is also equipped with stone-cutting machines allowing it to cut natural stones for cladding purposes such as Mazeras and blue stone.

Steel Fabrication At its Head Office, LHL also has a steel fabrication workshop covering 20,000 square feet capable of manufacturing casement windows, casement doors and heavy steel structural elements.

Precast Concrete LHL manufactures various precast concrete items using mechanized methods. Products include 60 mm and 80 mm paving blocks,invert block drains, paving slabs, side slabs, road channels, road kerbs, culverts, concrete blocks, hollow pots and window sills.

(Source: http://www.lhl.co.ke )

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Jan - Feb 2019 | CR

25

PROJECT

ARCHDIOCESE OF NAIROBI BUILDS UNDERGROUND PARKING SILO TO EASE PARKING CHALLENGES The Archdiocese of Nairobi has embarked on an underground parking silo at the Holy Family Basilica, a bright move that could be replicated by other organizations in a city facing mounting parking challenges.

therefore require safe parking. The facility also hosts weddings, requiem masses and other activities related to the church. In addition, Cardinal Otunga Plaza (housing the Archdiocese of Nairobi) and Cardinal Otunga Plaza Annexe (housing the Parish)] are located within the complex but have no parking facilities of their own. The cathedral’s situation is further compounded by the presence of the Diocese’s Catholic Parochial Primary School located within the same compound.

It is against this background that the Archdiocese of Nairobi under His Eminence Archbishop John Cardinal Njue, who heads the Catholic Church in the country, decided to augment parking facilities within the church complex. However, the parking would also be open to the general public.

Sculptural self-supporting helical staircase that provides natural light and supports the cross.

T

he Catholic faithful who worship at the Holy Family Basilica in Nairobi’s Central Business District will soon have a reason to smile once an expansive underground parking silo currently underway is complete.

For a long time, they have had to compete for the limited parking spaces available within the Basilica grounds. The Basilica, a gazetted landmark in Nairobi, has been in existence for decades and its congregation has continued to grow, therefore putting a strain on parking.

Besides the faithful, the general public has 26

been taking advantage of the church’s secure compound to park their vehicles at a fee due to a severe shortage of the facilities in the city. It is estimated that more than 300,000 vehicles access Nairobi’s CBD each week day.

To understand how urgent and essential the parking project was for the church, it is important to understand the routine activities that take place within the Basilica.

There are at least three celebrations of Mass daily at the Basilica that can currently accommodate 2,000 worshipers at a go.

Many of the worshipers use their vehicles and

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The Diocese commissioned a team of professionals which included MML Turner and Townsend (Project Managers), Trioscape Space Planning Services (Architects) , Laurez and Associates (Quantity Surveyors), Frame Consultants (Civil Structural Engineers) and Geomax Consulting Engineers (Electrical and Mechanical Engineers) as the project consultants. The team has vast experience in the building industry and its professional relationship with the church dates back to the late 1990s. The design team led by the

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architect was mandated to turn the client’s vision and dreams into reality for posterity.

Client’s Brief The Client’s brief was to create a 4-level 600slot modern underground parking facility with little disturbance to the physical environment and without drastic changes to the land where the Cathedral sits.

According to Peter Opon, the project Architect, the client was categorical that the face of the church building had to remain unaltered. There would therefore be no structures overshadowing church activities. The large cross in the middle of the compound had to be maintained at its current position. The grounds would also have to be retained for processions, school activities, weddings and other functions as before.

In short, the architect had to preserve the historical identity of the Basilica.

In addition, the client desired that parking also be made available for larger capacity vehicles such as buses that are often used for transport during various church functions. A total of 74 parking slots would be created on the ground level.

Project Execution The project was blessed by His Eminence John Cardinal Njue on 8th December 2017 and construction commenced on 2nd January 2018 with an initial completion date of

24th May 2019 (70 weeks). However, due to restricted working hours (see later in the article), this has now been revised to 4th October 2019.

Project bonds and insurance were arranged by PACIS Insurance Company Limited.

Unique Features As desired by the client, the architect has retained the face of the church as a predominant feature, meaning that the Basilica will continue to be instantly recognizable from any angle as before.

The architect has also introduced a helical staircase which will be one of the pedestrian exits/entries to the basement parking. The design of this structure is such that that it provides natural light to the basement, a clever solution to the perpetual problem of dimly lit underground parking. The design of the stairs is self-supporting as a sculpture without the need for column support.

The entrance to the helical stairs directly faces the cathedral’s entrance, a constant reminder to anyone accessing the parking of the main activity at the Basilica – prayer and worship.

The existing large cross, which is another landmark element of the church, will be mounted atop the helical stairs, positioning it right back at the original site.

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Entrance of helical staircase faces the middle entrance of the Church

Innovative Structural Solutions The consultants have deployed Post Tensioning, a South African technique of reinforcing concrete that results in larger spans and vastly reduces construction time.

This structural system embraces the use of cables, which are stressed to achieve desirable strengths faster. The system is currently offered by Somers Engineering a, local company who have team up with Amsteel Systems from South Africa.

The concrete post tensioning structural system reduces the time of construction and allows for wider spans of columns which is ideal for parking lots.

The system enables costs savings on the project as value addition after due consideration of the above.

Vehicular and Pedestrian Movement This was a critical consideration and the

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design team had to consult local authorities (Count Government of Nairobi) to come up with acceptable modifications to the existing access and exit points in order to achieve a seamless flow of vehicular and pedestrian traffic around the area. This would involve the adoption of a one-way traffic system, with separate pedestrian and vehicular traffic movement paths.

A slip road was therefore designed to run from Cardinal Otunga Road to the former exit opposite Hotel Intercontinental. This will be the only vehicular access to the compound.

Unlike in the past, there will be no right turn for motorists accessing the Cathedral from Parliament Road. The former entry on City Hall Way now becomes an exit. No right turn will be allowed here either; therefore, exiting motorists will have to proceed on City Hall Way towards the Supreme Court then find their way from there.

City Hall was particularly emphatic to the

consultants that pedestrian footpaths around the Basilica would have to be retained.

Facilities The architect has provided two vehicle ramps for entry and exit as well as three staircases (one helical and two regular). Pedestrians have been provided with two entry points and an exit. Security at entry points is well taken care of with bollards, mantraps and scanners aiding the guards. A perimeter wall secures the compound and a standby generator will ensure continuity of operations at the church in the event of power outage from the utility provider.

Challenges As with any construction project, several challenges emerged immediately and even before the team embarked on the massive project.

To begin with, the National Environmental Management Authority (NEMA) imposed

KENYA WATERPROOFING COMPANY LTD. Specialist in Waterproofing Basements, Flat Roofs, Swimming Pools & Water Tanks

restrictions on the working hours, dictating that construction activity could only take place between 7.00 a.m. and 6.00 p.m. The site is adjacent to the five-star Hotel Intercontinental and it was important to minimize disturbance for the guests. In addition, the Catholic Parochial School within the compound would continue running. It was therefore absolutely necessary to mitigate the noise and dust pollution to allow continuous learning during construction Besides, church activities would have to continue running and the team had to keep this in mind all the time. On certain occasions such as Easter, construction activities had to be halted altogether.

Being in the Central Business District, there were bound to be challenges in getting materials and equipment to the site the owing to the heavy traffic witnessed in the capital and the real possibility of creating traffic snarl-ups and road blockage.

P.O. Box 47839-00100 Kenya. Tel 0733 510880/0722 510880 Email: kenyawaterproofing@yahoo.com Website: http://www.kenyawaterproofing.com

We are proud to be associated with the Catholic Archdiocese of Nairobi on the Holy Family Basilica Parking Silo Project 28

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This is a deep excavation project. There was a large amount of underground water at the site that the team had to contend with.

Nevertheless, work continues at a brisk pace and the team expects that come October 2019, the project will be handed over to the client as scheduled.

PROJECT TEAM Client: Archdiocese of Nairobi Project Manager: MML Turner and Townsend Architect: Trioscape Space Planning Ltd Quantity Surveyors: Laurez and Associates Structural Engineers: Frame Consultants Ltd Mechanical Engineers/ Electrical Engineers: Geomax Consulting Engineers Main Contractor: China Zhongzing Construction (K) Ltd Sub-Contractor Electrical: Powerlink ltd Sub-Contractor Plumbing : Yogi Plumbers Sub-contractor HVAC : Halls Equatorial Sub-Contractor Lift : Kone Sub-contractor Security : Amiran Sub-Contractor Parking Management: Paytech Sub-contractor Post Tension: Somers Engineers Sub-Contractor Water proofing: Kenya Water proofing Project Finance : Equity Bank

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PROJECT

Savvy investors are already angling to benefit from Nakuru’s expected boom. Among them is the Egerton University Retirement Benefits Scheme that is building a Sh1.65 billion shopping mall. Known as the Golden Life Mall, the project is timely and likely to bring good returns to the 2,800 members of the scheme who have identified an opportunity to tap into the growing status of Nakuru.

The mall not only aims at offering a shopping and leisure experience but is also strategically seeking to meet a growing demand for quality commercial space in the fast growing town.

Notably, the mall is strategically located along the Nairobi-Malaba highway, making it a focal point not only for residents but also people on transit even to neighbouring countries like Uganda, Rwanda, Burundi, South Sudan and Democratic Republic of Congo.

Golden

Life Mall A NEW ADDRESS IN NAKURU

A

persistent growth in the size of the middle class in Kenya has spurred growth in real estate with developers rushing to provide this demographic with housing and shopping facilities.

Shopping malls and lifestyle developments that seek to offer “live, work and play” solutions are on the rise.

Although the majority of malls are currently concentrated in Nairobi, other cities and towns are now catching up, a trend that can be attributed to the success of devolution that is opening up various parts of the country to vibrant economic activities.

One such area is Nakuru County. Dubbed as the ‘county of diversity’, Nakuru is emerging as the preferred destination for investors looking for opportunities away from the capital city Nairobi. Indeed a survey by the Institute of Economic Affairs (IEA) has shown that Nakuru town has become the most preferred county for investors compared to five other populous urban areas.

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“The scheme undertook a feasibility study that analyzed the market and established that the appropriate kind of investment was a mall,” says John Kinuthia, a Director at Tectura International Architects who is overseeing the gigantic project. He adds that in settling on a mall, the scheme wanted also to change the face of Nakuru by introducing an architectural icon.

Indeed when Tectura International won the competitive bid to design the mall, this was in no uncertain terms the key brief. “The scheme advertised for architectural services and other consultancy services. In our submission, we presented our strengths and capabilities, after which we were commissioned to provide architectural and interior design consultancy services” explains Kinuthia.

Design Intentions Tectura interpreted the client’s brief to come up with design objectives to develop an efficiency module, mediate between the interests of the various stake holders, display the strength and stability of Egerton University Retirement Benefits Scheme, create an iconic building which will inspire, provoke and trigger interests.

The architects then escalated these intentions to the project itself and envisaged the following: • The tower to articulate vertically and to balance horizontal and vertical forms • Random surface articulation to create visual play, kill monotony and emphasize the African motifs.

• Openness to enhance the interface between the internal and external living environments • Maximization of natural lighting and ventilation for energy efficiency. www.constructionreviewonline.com

•

Use of vegetation to soften the surfaces

It was also critical that the building adheres to green building practices. Therefore, Tectura adopted the following: • Enhancement of natural lighting and natural ventilation • Projection of horizontal planes for sunshading • An atrium for enhancement of cooling by stack effect • Use of locally available materials • Solar energy installation • Use of vegetation to minimize surface heat gain.

Background As a leading practice that was established in 1981, Tectura has built a name as a reputable architectural, project management and interior design firm with subsidiaries in countries like South Africa, Botswana, Namibia and Zambia. The firm has also undertaken projects across East Africa in like Uganda, Tanzania and Rwanda.

Being a fully-fledged firm, the Kenyan operation that is under the leadership of four directors has undertaken projects across segments spanning commercial, healthcare, institutional, residential and hospitality to mixed use.

Over the years, the firm has designed and overseen the implementation of iconic projects like the Shelter Afrique building, High Rise Office Block, Comesa Headquarters, Kippra Headquarters, Zep-Re Office Block, Xhinua News Agency building among many others.

The mall is strategically located along the Nairobi- Malaba highway making it a focal point for residents and neighborhood countries

Winning the tender to design the Golden Life Mall was itself a golden opportunity for Tectura. Operating in an industry with numerous practices, the project was significant in terms of putting the firm on the same league of the few architectural firms that have had the privilege to design malls.

A Golden Opportunity “This project gave us a golden opportunity to express ourselves in terms of design approach and the ability to get away from what is conventional,” states Kinuthia. He adds that because it is not easy to get a mall contract, Tectura approached the task with the idea of producing a unique design that should be used as a benchmark for future mall projects.

With this in mind, the firm came up with a design that responded to the feasibility study not only in terms of space allocation “but we also decided to go an extra mile to create a meeting point that offers an experience,” says Kinuthia. “We did not just come up with a shopping complex, we designed an experience.”

into the mall’s brand. We are aware that shopping centres need to be about space, experience and convenience. That is why we have put emphasis on space articulation,” states Kinuthia. He adds that the expansion of common spaces was one of the key features in order to create more points of convergence and grandeur. Enhancement of the interface between internal and external spaces also significantly informed the openness in design.

Although ensuring free and easy movement of people was critical, the mall has also taken into consideration the important aspect of easy movement of vehicles and goods.

“Circulation of vehicles, goods and people is fully addressed in this shopping mall,” notes Kinuthia, adding that Tectura also acknowledges that technology is shaping the way people shop, hence the need to come up with a design that makes it to use technology.

“The mall will offer a unique shopping experience of the Nakuru town, with well elaborate circulation paths vis a vis the shops outlet. The concept creates perfect symbiosis of different tenant classes,” he says.

“Our design has engrained the ‘wow’ factor

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In effect, Tectura came up with a 34,000 square metres multi-facility project that incorporates a lower ground floor, main ground floor, first floor and roof terrace that has a parking lot, fitness centre, club and a tower shooting four floors. With 430 parking spaces, the mall will also have facilities like tyre centre, children playing area while the tower provides for an office block in which professionals like doctors, lawyers, architects, surveyors among others can take up office space.

The mall interiors offer a blend of aesthetics and functionality. Multi layered lighting has been adopted to give visual stamina and enhance task performance. A diverse material selection has been exploited as an

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instrument to articulate the internal image and create unique experience. “The Golden Life mall is going to change the face of Nakuru going through architecture that creates an eye catching building away from the ordinary,� states Kinuthia. He adds that construction of the mall started in March 2018 this year and is expected to be complete in November 2019.

Although there are many firms involved in the execution of the project, construction has so far been smooth sailing. Indeed Kinuthia is optimistic the project will be completed within the stipulated timeframe and within the drafted budget.

CR | Jan - Feb 2019

PROJECT TEAM Client: Egerton University Retirement Benefits Scheme Architects and Interior Designers: Tectura International Project Managers: AIA Architects Quantity Surveyors: Amazon Consultants Structural Engineers: Xenocon Consulting Engineers Mechanical Engineers: Donn Consultants Electrical Engineers: Gill Consult Valuers and Letting Agents: Advent Valuers Ltd Main Contractor: Epco Builders Ltd Structural Engineers: Xenocon Consulting Engineers Subcontractors: 1. Climate Engineering Works Ltd 2. Sarman Engineering Company 3. Aqua Plumbing Co. Ltd 4. Power Megger Ltd 5. KONE Kenya Ltd 6. Odd-Mac Engineering Ltd 7. Jo World Agencies

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Epco Builders Ltd BUILDING & CIVIL ENGINEERING CONTRACTORS

ISO 9001:2015

We Build Confidence with Confidence!

We are proud to be associated with Egerton University Retirement Benefits Scheme as the Main Contractor for their Golden Life Mall Project NAIROBI HEAD OFFICE Falcon Rd, off Enterprise Rd P.O. Box 55628-00200 Nairobi, Kenya

MOMBASA BRANCH OFFICE Tom Mboya Avenue, Tudor P.O. Box 42490-80100 Mombasa, Kenya

Tel: +254 734 000064 +254 734 705450 Email: info@epco.co.ke Website: www.epcobuildersltd.com

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PROJECT

SYMBION PROJECTS OF 2018

Symbion has gained reputation for attention to details making them the practise of choice for distinctive designs for several clients

2

018 has been a year of major

lakes, rivers, wildlife and landscape are

washrooms, a Couples treatment room and a

landmark construction projects in

characteristic of both the outside features of

Pedicure room. Private Meeting rooms with

Uganda, and Symbion, a leading

the hotel and the room décor where muted

upgraded audio-visual facilities were added

architectural firm has contributed greatly to

colour, organic andelegant fabrics are

to the First floor lobby area, while a classy

the ever shifting Kampala skylines. From

evident. Skills of local craftsmen, creations

Champagne Bar- the first of its kind in East

residential to commercial projects, these

of beaten copper fretwork, beaded wall

Africa, and a new Pearl of Africa Restaurant

buildings stand distinctive.

hangings, mosaic pillars and stunning carved

were launched in July 2018. In addition,

panels come to life in communal spaces.

is a private VIP Lounge on the Fifth floor

With a vast growing construction industry,

catering to Guest membership with restricted

the firm has gained a reputation for

Symbion was commissioned for

access to the public.

organisational skills, attention to detail and a

Architectural and Interior Design services

well-structured approach to projects, making

for the renovation, including hotel upgrade

Another eye catching 2018 project is

them the practise of choice for distinctive

and supervision of the makeover process.

Mestil Hotel and Residences. Situated along

designs for several clients.

This followed the intensely detailed project

Barracks Drive in Nsambya, Kampala,

that ensured successful transformation of the

Mestil Hotel and Residences, is a complete

Amongst some of the distinctive buildings in

former Nile Hotel with 65 guest rooms, into

and urban facility, whose works started

recent years include Kampala Serena Hotel,

more than 150 guest rooms and which suits

as early as 2014. Apart from architectural

Mestil Hotel and Residences, completion of

the ambience and luxury of a World class

design, Symbion was also commissioned to

Church House Building and NSSF Customer

hotel.

provide project management, architecture,

Service Centre.

and engineering, interior design for pre and In 2016, Symbion embarked on a new

post contact stages.

Positioned on the upper portion of the 17-

Extension project which included an

acre site, Serena Hotel gives the impression

additional 35+No. Guest rooms and a

Mestil Hotel & Residences stand to be one

of it being wrapped by the landscape and

Moroccan theme State Suite. Refurbishment

of the magnificent structures in Kampala

gardens. The Hotel’s rooms have views

of selected Public spaces complement

City. This unique project features three

of the dynamic Kampala city with its

the Hotel’s existing services. The Maisha

blocks with 95+ apartments, a main block

surrounding hills. The natural scenery of

Spa was expanded to accommodate new

with reception foyer and lobby and a

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Mestil Hotel's Clubhouse block offers residents a steam and sauna with massage rooms, gymnasium and swimming pool

clubhouse. The design aims at showcasing timeless, exceptional Mediterranean architecture. It explores each block around a central courtyard rich in foliage and landscaped to foster outdoor communal activities.

Retail spaces, management offices, a cozy coffee shop, restaurant and grand lobby bring the main block to life, detailing what modern multi-purpose structures are all about- customer convenience and satisfaction. A Clubhouse block offers residents a steam and sauna with massage rooms, gymnasium, aerobics studio, swimming pool and club room with a detailed landscape design comprising of water fountains, garden pathways, gazebos, a secure kids’ play area and ample parking space for the residents and visitors.

Currently standing as one of the tallest building on Kampala Road, the city’s most pivotal boulevard, Church House is a ‘can’t miss’ structure. The 15 storey building is a commercial development with two levels of basement parking. Its stature and location indeed demonstrates the patience endured in making the 1965 dream a reality.

The project started in January 2011 and completed in August 2018. Its design comprises of glazed façades and aluminum composite cladding to give the building a liaise appearance. The lower podium with retail spaces is framed and defined by an organic façade screen creating a controlled porous volume at the base of the building and maintaining the composition.

Symbion was commissioned to provide services of Project Architects during the construction stage in February 2014. The firm was appointed to assemble a design team to develop the

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CR | Jan - Feb 2019

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Church house building from the half-completed structure to a ‘Turn-key’ completion, under a design-build contract together with the appointed contractor.

Financial institutions are a key player in any country’s economy, and to live up to their duties, an impressive image is crucial to gain customer trust and confidence. It’s no wonder Symbion was commissioned by NSSF to prepare a concept design of a prototype branch office that considers their vision and strategic goals with an aim to make the organization a market leader in the liberalized pension sector of Uganda.

Symbion proceeded to develop a branch concept that incorporates NSSF’s new brand colors as well as a flexible and efficient layout that aims to improve customer experience within the branches.

The prototypes concept was successfully completed in 2016 and construction works of the pilot Customer Service Centre and Branch Office on the ground floor of Workers House followed in December 2017.

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EVENTS NEWS PROJECT

LEADERSHIP CENTRE

T

The New Generation Development

he Nairobi-based College of

The new centre also provides world class

Major Attractions

Insurance decided to extend its

accommodation, restaurants and recreational

The 8 floors development is well designed to

campus to include a ‘Leadership

facilities with an ambition to become an

have luxurious hotel accommodations, plus

Centre’, a building combining the functions

inclusive meeting place for both visitors,

convenient meeting and conference rooms for

of the college and a conference facility. The

college delegates, students and academic

both internal and external users. The design

college devised a new academically driven

staff. The development is the modern

also incorporates event decks for external use

conference centre for which, a flexible

epitome of excellence having embraced the

whereby open air events like weddings and

interior programme was developed to support

current building technologies that include

graduations can take place.

the college’s business model to double up

building automation and most importantly

classrooms as rentable conference space.

conservation of the environment; it being a

Additionally, the development is well

green project.

designed to accommodate modern aspects

FARMLINE

The Best Garden Maintainenance and Landscaping Contractors in East Africa

We are proud to be associated with College of Insurance as the landscape contractors for the Leadership Center project.

Our services include: • Landscaping services and gardening • Garden maintenance • Landscape Design • Plant nurseries- sale of high quality plants • Lawn establishment and mowing services • Hedge rehabilitation and trimming • Irrigation design and installation • Ponds and water falls construction • Display potted plants sale, installation and maintenance • Consultancy

P.O. BOX 450, Ruaraka, Nairobi Off Thika Road ,Ruaraka, next to EABL | Mobile: 0722 714 528 | Email: info@farmline.co.ke | Website: www.farmline.co.ke

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CR | Jan - Feb 2019

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MILICON’S LTD.

PRODUCTS NEWS

Excellence by Execution

Complete Hotel Room Fit-outs

Proposed Leadership Centre at College of Insurance

Proposed Kenya Institute of Supplies Management –Headquarters

Proposed Construction of Office Block at Masinde Muliro University of Science and Technology

Proposed Office Block, Hostel Block for National Commission for Science, Technology and Innovation

MILICON'S are one of the leading constructors operating in Kenya in various fields (including Building and Civil Engineering Fields). It's been reputed and awarded for quality and timely comprehensive solutions, services and Innovative Technologies, to the complete satisfaction of Clients, Consultants and its End Users, with continuous investment and technology up-gradation, contributing to globalization.

WE ARE PROUD TO BE ASSOCIATED WITH COLLEGE OF INSURANCE AS THE MAIN CONTRACTOR FOR THE ABOVE LEADERSHIP CENTER PROJECT. East End Plaza, Bukani Road, Nairobi West, Nairobi Kenya | P.O. Box 4546 - 00506 | Tel: 254-20-6008584, 0705-167161 | Email: info@milicons.com | Website: www.milicons.com

like a sky launch which is located at the

of consumption per day and proposed the

also be stored in eco ponds before it is

rooftop, a modern swimming pool, eco

exact reservoir tank size that will cater for

treated and used for irrigation and to flash

ponds that will act as water reservoirs;

that particular consumption.

toilets.

cantilever that joins the development to the

Moreover, the development is expected

Security

College of Insurance.

to have a borehole system and a water

The development is designed to have 24hr

treatment plant. These systems will be

CCTV surveillance from the basement

Water

able to complement the City County water

to the sky launch on the roof, with a

It’s a known fact that water is a

which is quite unreliable. The development

centralized control room. It will also

major problem for most of the hotel

is also expected to have a water tank in

have private guards in strategic positions,

developments in Nairobi. This is due to the

the basement which will act as a reservoir

plus directional systems that will provide

fact that the water from the City County is

for both clean and grey water (rain water).

guidance to all the visitors of the facility.

quite unreliable and also because they do

Furthermore, being a green project, there

not have an elaborate water conservation

will be recycling of water to ensure

Fire safety

and utilization mechanism that will see

maximum utilization of the available

With regards to fire safety, the

that no water goes to waste. With this in

water.

development will have a firefighting pump

over 450 parking slots and a flying out

mind, the developer contracted mechanical

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in the basement, hose reels and all the fire

engineers who are expected to take care

Water harnessed from the water treatment

suppression systems like fire extinguishers,

of all the designs with regards to the water

plant will be re-used in an irrigation

automated sprinklers, and smoke and heat

conservation and utilization system. The

system which is designed to irrigate all

detectors; which will be available in all

engineers have already calculated the rate

the gardens in the vicinity. Rain water will

rooms.

CR | Jan - Feb 2019

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Advertisers Index Kalekim........................................................................... IFC

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Power Control................................................................. 1

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Graco .............................................................................. 12

Power Megger Ltd.......................................................... 32

Electromag Engineering Co. Ltd.................................... 14

Tectura International Ltd................................................. 33

Electroways..................................................................... 15

Epco Builders Ltd........................................................... 33

Kens Metal Industries..................................................... 15

Gill Consult..................................................................... 33

SiVEST........................................................................... 16

Amazon........................................................................... 34

Jessop & Associates (PTY) Ltd...................................... 17

Climate Engineering works Ltd...................................... 34

Three N International Ltd............................................... 18

Xenocon Consulting Engineers Ltd................................ 34

Hotpoint Appliances Ltd................................................. 19

Roofing............................................................................ 36

Davis & Shirtliff............................................................. 19

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Structa Technology......................................................... 21

Standard Signs Contractors Ltd...................................... 37

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Ryce................................................................................ 34

Jupiter.............................................................................. 25

Farmline.......................................................................... 38

Plumbing Systems Ltd.................................................... 25

Milicon's Ltd................................................................... 39

China Zhongxing Construction Company Ltd................ 27

Fit.tight Fastener Ltd....................................................... 40

Kenya Waterproofing Company Ltd............................... 28

Michigan......................................................................... OBC

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