Construction Review Africa

Page 1

Since 1989

April 2015, Vol 26 No. 4 Africa's leading construction journal

Powered by coal Meeting Africa’s energy needs

Kenya: KPA's second container terminal nears completion South Africa: 15 Alice Lane Annex makeover Feature: Water proofing concrete Opinion: waterproofing membranes for stone installations

Botswana Pula 60.00, Ethiopia Birr 140.00, Ghana Cedi 23.00, Kenya Ksh 500.00, Namibia N$ 80.00, Nigeria Naira 1,300.00 Rwanda Rwf 4,800.00,South Africa R 60.00, Tanzania Tsh 12,700.00, Uganda Ush 20,000.00, Zambia Zmk 40.00, Zimbabwe US$ 7.00



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MANAGING EDITOR Robert Barnes COUNTRY EDITORS Kenya - Francis Makari Uganda - Samuel Bujingo Nigeria - Boladale Ademiju South Africa - Newton Mthethwa SUB-EDITOR David Kariuki WRITERS Jimmy Swira, Thunile Alletta Nkosi Lindsay Wagner, Yvonne Andiva Erick Mongare, Hope Simuli Dorcas Kang'ereha

Uganda: Dan Nsalasata,Bill Collins Musaazi Botswana: Dickson Manyudza, Gerald Mazikana Ethiopia: Haimanot Tesfaye, Ruth Girma Tanzania: Tom Kiage Malawi: Anderson Fumulani

12 – 14 May 2015

Since 1989

April 2015, Vol 26 No. 4

Africa’s largest event for energy

efficiency power Cape Town, Africa More African countries areSouth adopting coalandtocleanmeet

their energy needs, this despite controversy over its environmental impact.

Africa's leading construction journal

Powered by coal Meeting Africa’s energy needs

Cover Picture: KNOWLEDGE TECHNOLOGY INTERACTION The cover picture shows a stockpile of coal and the Conference Providing construction and manufacturing professionals with comprehensive market insights on power security and reliability, energy efficiency, onsite generation and renewable energy.

Vol 26 No. 4

South Africa: Manoko Thosago, Happy Mokoena Shepherd Mthethwa, Winnie Sentabire, Angeline Ntobeng, Nqobile Ndlovu

AFRICA

April 2015

ADVERTISING Kenya William Mutama, Fred Okoth, Frances Lagoussis (Mombasa), Trizah Njoroge, Faustine Salleh

CLEAN POWER

Coal power plants for Africa

Construction Review

WEB & GRAPHIC DESIGN Augustine Ombwa Frankline May

CON Networking A unique meeting place for Africa’s constrution, manufacturing and infrastructure sector to strengthen partnerships, invest in power security and reliability and network with over 5,000 industry peers.

cooling towers in the background at a coal fired power station

14

Exhibition Africa’s leading power and water trade exhibition features 250 solution providers across 12,000m2 presenting the latest global power and water infrastructure technology for construction and manufacturing plants.

Kenya: KPA's second container terminal nears completion South Africa: 15 Alice Lane Annex makeover

Visit the website for more information or to register | www.african-utility-week.com

Host utility

Diamond sponsor

Feature: Water proofing concrete Opinion: waterproofing membranes for stone installations

Media partner Botswana Pula 60.00, Ethiopia Birr 140.00, Ghana Cedi 23.00, Kenya Ksh 500.00, Namibia N$ 80.00, Nigeria Naira 1,300.00 Rwanda Rwf 4,800.00,South Africa R 60.00, Tanzania Tsh 12,700.00, Uganda Ush 20,000.00, Zambia Zmk 40.00, Zimbabwe US$ 7.00

REGULARS

Ghana: Samuel Hinneh

Editor's Comment 5

Zimbabwe: Cyri’l Zenda

News 6

Rwanda: Collison Lore Nigeria: Seni Bello

New Products 8

China:Weng Jie

Association News 9

The editor accepts letters and manuscripts for publication from readers all over the world. Include your name and address as a sign of good faith although you may request your name to be withheld from publication. We reserve the right to edit any material submitted .

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. © All rights reserved.

Download free QR Readers from the web and Scan this code with your smart phone to access more stories on the CR website

Events 9 Corporate News 10 Pictorial 11 Guest: Arthur Mintie, LATICRETE International, Inc.

12

Inside Concrete waterproofing

18

Choosing the right product FHG Architecture (K) Ltd

22

Understanding the Client’s Needs is Pivotal

Published by Group Africa Publishing Ltd Consolidated Bank House, 5th floor, Koinange Street, Nairobi 00100 Kenya, Tel: +020 2210133, Email: info@groupafricapublishing.com Uganda Office SMG Uganda Limited Kamukamu Plaza, Entebbe Road Kampala-Uganda, TEL: +256 774 079 804, Email: uganda@groupafricapublishing.com Uganda Agent Projects Unusual Uganda Ltd. Jemba Plaza, Luwum St. Kampala, Uganda betty@constructionreviewonline.com

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TENTS

Editor's Comment

Kenya Ports Authority Nears Delivery of Second Container Terminal

Using coal to fire up Africa

The second container terminal will comprise four berths. Phase 1 of the project constitutes two berths. Construction of the terminal has been financed through a ÂĽ26 billion loan between the government and the Japan International Cooperation Agency whose agreement was signed in 2007.

24

The Mombasa port cargo throughput volume is expcted to be about 25.5 million tonnes this year.

The 15 Alice Lane Annex The 15 Alice Lane Annex building located at the corner of Alice Lane and Sandton Drive in Sandton has received a complete makeover which has seen the Annex converted into a AAA-Grade building with a

28

4-Star green design rating to boot

Pan Africa Life Assurance Building

26

Another Tower to Shape Westlands’ Landscape The Sandton Skye 30 Changing the face of Sandton

South Africa Office College Publishers CC 1st Floor, 267 Oak Avenue, Oakfields, Randburg, Johannesburg Tel: +27 11 781 4253 Fax: +27 11 781 4287 Email: southafrica@groupafricapublishing.com Ethiopia Office 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 Email: ethiopia@groupafricapublishing.com

April 2015 Volume 26 No. 4

Africa today needs to generate cheap power to drive its development agenda and it is increasingly turning to coal. Globally 40 percent of all electricity is generated from coal fired power plants but Africa accounts for only a small fraction of this. The interest in coal has been spurred by lower costs of production of electricity using coal and an abundance of coal reserves. But coal does have its drawbacks not least of which is carbon dioxide emissions and toxic gases such as sulphur dioxide. This is in addition to the pollution of ground water and environmental degradation associated with coal mining. As the world has become more attuned to global warming this has meant that the West has placed more stringent measures designed to discourage the development of coal powered plants in Africa and elsewhere despite their own significant reliance on coal to generate electricity in their countries. Despite this several countries in Africa are in various stages of development of coal fired plants led by South Africa which is developing 2 massive plants to stave off a crisis in its energy sector. In Egypt the government has given a green light for Industries to import coal for use in development of electricity and notably cement factories have shown an interest in order to reduce their cost of production and remain competitive. What is clear is that as Africa develops its own coal fired plants it will need to learn from the mistakes of others and ensure that technologies to reduce pollution and emissions are installed to safeguard the health and lives of people and avoid smog covered cities.

Robert Barnes

Zimbabwe Office CMC Media Publications (Pvt) Ltd, P.O. Box 4828, Harare, Zimbabwe E-mail: zimbabwe@groupafricapublishing.com

Nigeria Office

Kenya Office Northwest Ventures Ltd P.O. Box 16414 Nairobi 00100 Tel: +254 20 2679809 I 2679808, 2091305 Email: kenya@groupafricapublishing.com

Ifako Ijaye Lga,Agege, Lagos.

Ghana Office Image Consortium 1st Floor, TheEcobank Building, Tesano. Tel: 233(0)30 223 2728 I Fax: 233(0)24 882 8286 Email: ghana@groupafricapublishing.com

Rahma Associates B23/24, Aishetu Emoewa Plaza 196, Iju Water Works Road, Tel: 234-1-7347860 Email: nigeria@groupafricapublishing.com Rwanda Office Kolline & Hemed Inc., B.P. 3328, Kigali, Rwanda Tel: +250 03 748106 E-mail: rwanda@groupafricapublishing.com Website: www.kollinehemed.org


NEWS

Egypt

AFDB to fund construction of Airport The

Sharm

El-Sheikh

International airport has received US$140 million from the African Development to

facilitate

Bank its

(AFDB) expansion

project. The expansion involves constructing a new terminal (terminal 3) and a runway in order to increase the passengers handling capacity by 10 to 18 million per year. Sharm El- Shark International airport (formerly Ophira Airport) is located about 23KM northeast of the city of Sharm el –Sheikh in Egypt. The airport is the second largest after Cairo International Airport and it is conveniently situated to suit

Angola

World’s first submarine cable to connect Africa and L. America World’s first submarine cable is set to be constructed in Angola across the South Atlantic with NEC Corporation as the system supplier. According to Angola Cables S.A, a contract for the project that will see Angola and Brazil connected via cable has been signed. This will see a direct link between the African continent to Latin America for the first time, and is set to enable high speed and high capacity international data transmissions, and hence spur trade and economic growth. “We will continue to develop our Internet highways to enable our telecoms, ISP and enterprise customers to differentiate themselves in today’s competitive and highly-evolving African marketplace,” said Mr. Antonio Nunes, Chief Executive Officer of Angola Cables. The project has come at a time when the continents demand for broadband, mobile, broadcasting and enterprise traffic crossing the South Atlantic is growing. The project will also feature latest high quality 4-fiber-pair cable and optical transmission technologies with an initial design capacity of 40Tb/s (100Gb/s x 100 wavelengths x 4 fiber-pairs).

Rwanda

Gigawatt Global to invest US$2b in generating

the tourists visiting the beaches

1000Mw of solar power for Africa

and resorts in the Red Sea. Once

Gigawatt global is set to spend about US$2billion in developing and installing 1000MW of solar power in Africa by 2020. Dutch company Gigawatt has said the 1000MW power project will have its roots in East Africa where the largest photovoltaic field will be built in Rwanda. Burundi is one of the countries that could also benefit when this facility is expanded, the photovoltaic field solar power plant will help to serve electricity to 11 million people. It will cost US$23.7million and generate 8.5 MW according to Yosef Abramowitz, Gigawatt’s president. Gigawatt Global is a single source for financing, technology, and strategic planning firm. GWG partners with select local management teams and brings the company’s relationships, expertise, and track record to create professional, achievable solar power projects.Gigawatt Global has already signed a memorandum of understanding with the Ministry of Energy and Mines for the solar photovoltaic (PV) power plant, which is also expected to cut down expenses incurred from diesel power generation

complete the project will offer employment opportunities and improve the country’s economy by boosting the tourism sector. The terminal will have roofing that will provide shade to the passengers and natural lighting in the building. Other facilities to be constructed around the terminal include security shed, car park, wastewater treatment and electrical plant. AFDB has approved over 4,501 projects amounting to $118.7 billion from 1967 when it commenced its operations to the end of 2013. In

Ghana

Power generating ships to boost supply Karpowership Ghana Company, a

subsidiary

of

Turkish

Karadeniz Energy Group was expected to deliver two temporal power

generating

vessels/

stations to Ghana in March this year to help boost the country’s electricity needs. This is after an agreement was signed in June last year between Electricity Company

of

Ghana

(ECG)

and the company. The shipfloating power stations project is under the finance of Karpower, which is an independent power producer. The company had signed a 10 year power purchase agreement with the Electricity Company of Ghana (ECG). The floating power stations/vessels were to dock at the Tema and Takoradi Ports and will help Ghana add 450MW of power to the national grid. The total cost of the project is estimated at US$1.2bn with each ship going for US$600m. Nonetheless, Ghana will be paying a fee of US$50m through Electricity Company of Ghana as commitment fees. According to Ebenezer Baiden, a member of the tariff team at ECG, the power ships will operate on HFO for the first five years, switching to natural gas in the sixth

addition, Islamic Development

year. However, the company

Bank (IDB) in October last year

will receive support from the

announced it would contribute

Electricity Company of Ghana

US$230.2m for the same project.

while the Ministry of Energy

AFDB has pledged to continue

and Petroleum will supply the

supporting

Egyptian

company with crude oil for quick

government through increased

power generation. The Turkey-

lending which will finance the

based firm operates floating

irrigation and energy sectors

ships that supply 10% and 20%

the

and small medium enterprises (SMEs). 6

Solar power plant Burundi

percent of Iraq’s and Lebanon’s power needs respectively. April 2015


Liberia

US$27.3m to be spent on renovating Robert Airport

Uganda

Namibia US$17m for upgrade and rehabilitation of Walvis Airport

A financial contract between

Namibia’s Walvis Bay Airport

the European Investment Bank

upgrading and rehabilitation is in

and the Government of Liberia

progress and expected to end on

has been signed to help in

time -July this year. According

the renovation of the Robert

to

International Airport Runway. The contract, worth US$27.3m is set to be reviewed by the House Representatives

of

Liberia.

According to President Ellen Johnson Sirleaf, who tabled the contract. Ratification of the contract will help in speedy change of the runway, which is in a poor state. There will also be works on the drainage system,

replacement

of

the

runway lighting and construction of

Runway

Areas

(REAS).

End The

Safety Robert

International Airport project also includes provision of assorted items for operation and safety.

Oil refinery to be constructed by a Russian firm RT Global Resources, a Russian firm has been selected to lead construction of an East African oil refinery to be located in Uganda. The first phase of the refinery is expected to be ready by 2018 and the firm will also be tasked with operating the facility that will be located in Kabaale Township, near Uganda’s largest oil fields in the KaisoTonya.Uganda’s Energy and Mineral Development minister, Irene Muloni confirmed the news and stated that Kenya and Rwanda are expected to purchase stakes from this development. She also said that discussions in regards to the project contract are scheduled for next month and end on May to allow possible execution of the oil refinery project. “The process of selecting a lead investor for Uganda’s refinery project has been highly competitive. We are pleased that the two bidders responded to the request for final offers, from which RT Global Resources emerged as the selected preferred bidder,” she said. The new project will be undertaken in several phases and apart from RT Global Resources, the consortium will incorporate three other companies.

airports infrastructure is valued

Association Partners

Kenya

- Architectural Association of Kenya - Institute of Quantity Surveyors of Kenya - Institute of Engineers of Kenya - Association of Consulting Engineers of Kenya - Association of Professional Societies of East Africa APSEA) - Kenya Property developers Association - Institution of Surveyors of Kenya

- ASAQS - SAICE - South African Council for the Quantity Surveying Profession - Khuthaza ( Women for Housing) - Concrete Manufacturers Association - Green Building council of SA - South African Property Owners Association - Master Builders South Africa

Institute of Surveyors of Uganda

Ethiopia

- Association of Ethiopian Architects - Ethiopian Association of Civil Engineers

of the terminal will cost a total of US$8.1 million. We look forward to the completion of these

projects,”

Silombela

concluded. “Our strategic goal is to have secure Airports. We are tirelessly putting systems in place to achieve most of our goals. All these efforts are to ensure that NAC’s airports meet world-class standards and are ICAO

compliant,

especially

Walvis Bay Airport."

Namibia Institute of Namibian Quantity Surveyors Association of Consulting Engineers of

Tanzania

Ethiopia

- Tanzania Institute of Quantity Surveyors - Construction Regulation Board (CRB)

Construction Contractors Association of Ethiopia

Ghana

at US$17.1m and the upgrading

Institute of Botswana Quantity Surveyors

- Zimbabwe Institute of Quantity Surveyors - Zimbabwe Institute of Engineers - The Construction Industry Federation of Zimbabwe (Cifoz)

The process of upgrading the

Namibia

Botswana

- Tanzania’s Registration Board of Architects and Quantity Surveyors (AQSRB)

Zimbabwe

South Africa

Uganda

Courage Silombela of the

Namibian Airports Company.

- Ghana Institute of Engineers - Architects Registration Council - Ghana Institute of Surveyors - Ghana Green Builders Association - Ghana Institute of Planners - Association of Building and Civil Engineering Contractors of Ghana

April 2015

Nigeria - Association of Consulting Engineers Nigeria

- Association of Professional Women Engineers Of Nigeria - Council of Registered Builders of Nigeria - The Nigerian Institute of Architects - American Association of Petroleum Geologists Africa Region - Nigeria Society of Engineers - Nigeria Institute of Architects - Building and Construction Skilled Artisans Association of Nigeria(BACSAAN) 7


PRODUCTS

Greenest insulating concrete forms might be gray

GROHE’s new EurodiscJoy faucet line combines modern operating comfort with award-winning design

SA Liviero develops new edge protection

The green building movement, already a huge factor in the residential sector, is likely to transform commercial construction as well. One pundit claims it will transform building in the same way electric lights and air conditioning did last century. Insulating concrete forms (ICFs) are well-positioned to take advantage of this trend; they’re durable, energy-efficient, and widely available. Among the various types of ICFs on the market, perhaps the most environmentally or Earth Friendly are the so-called composite ICFs, blocks made from a mix of expanded polystyrene (EPS) and Portland cement. Dan Chouinard with Earth Friendly Building Materials LLC is the new leader in composite block sales in the US and number one EPS (Styrofoam) recycler in Arizona. "If you’re not familiar with our product, EF Block it is an innovative ICB (Insulated Concrete Block) or ICF (Insulated Concrete Form) wall system made of over 85% Recycled EPS, Portland cement and other proprietary ingredients. It is manufactured per the IRC (International Residential Code) screen grid and HUD (US Department of Housing and Urban Development).” says Dan.

Form and function at their best – a dynamically curved, slanted silhouette, a filigree joystick with smooth action, a sleek edge running along the spout – that’s all it takes to reinterpret a well-known classic faucet. If you are looking for ground breaking design, don’t look any further than the EurodiscJoy faucet line from GROHE. Combining visual lightness with easy operation, the EurodiscJoy is clearly a cut above the rest.

to

Recycled Content Composite Insulating concrete forms use a huge amount of recycled EPS that is usually destined for the landfill. “Consider how many thousands of gallons of fuel, energy and labor are saved annually by no longer running landfill equipment. Consider also that EPS is a non-biodegradable product, which means we’re saving space at landfills as well.” Concludes Dan. 8

The site

system

will

guarantee

be

safely

employees

subcontractors

and

able

to

all

including clients,

but also offers cost savings, compared with imported edge protection system. According to Liviero’s technical design

Clever details, architectural clarity The new EurodiscJoy brings great looks and pure pleasure to the bathroom. The most important design feature of this faucet is its minimalist, infinitely adjustable joystick. Its superior ergonomics, combined with the innovative GROHE SilkMove® cartridge technology, allows precise fingertip control of the water mix. At the same time, the integrated GROHE EcoJoy® water-saving technology promotes responsible and sustainable consumption of water and energy. The wall-mounted wash basin faucets additionally feature the adjustable GROHE AquaGuidemousseur. Moreover, the SpeedClean technology ensures reliable functionality and a long life.

manager, Rudi Freislich, the full designed system has a range of edge protection gear, including vertical, horizontal, freestanding and bolted systems and the unique vertical brackets can accommodate slab thicknesses of 800 mm. Freislich explains that, while most contractors in South Africa’s construction industry use European brackets, Liviero’s edge protection system was specifically designed for the local market. He adds that European brackets, which are used in conjunction with hollow steel tubes, are not designed to be used with steel tubes, but with high-grade timber properly

BoostStar Hydro-Pneumatic System Efficient water flow management in conditions of varying water pressure and fluctuating demand has always been a challenge. It is an even greater challenge to manage flow while optimizing energy consumption. Amongst a host of systems that are currently available in the market, the ‘BoostStar’ hydro-pneumatic (HyP) pressure boosting system from A.T.E. wins hands down as it combines efficient water management and optimum energy consumption. ‘BoostStar’ is designed and engineered to manage the water flow in industrial applications, high-rise apartments, townships, bungalows/ villas, commercial buildings such as malls, hotels and office buildings. What is unique about BoostStar is that it provides the highest level of intelligence and automation. It has the most advanced inbuilt features such as configurable time-of-day and day-of-week demand patterns, pumps auto-cascading and rotation for prolonged pump durability, Q/h runtime graphs, advanced protection, data and fault logging, BMS connectivity and remote alerts & notifications via SMS. A.T.E. BoostStar HyP systems are engineered using the most stringent quality and testing standards. At the heart of the BoostStar HyP systems are the world’s leading brand of centrifugal pumps and instrumentation and control systems built using the best components.

bolted to them for balustrading and knee bracing. This means that the use of steel tubes in South Africa has created dangerously ineffective

edge

protection

systems The technology is in use in constructing Liviero's new offices, a factory and a

warehouse

for

cigarette

manufacturer Razomart, and the system will help in the breathing sytem for all the constructors.

April 2015


ASSOCIATION NEWS & EVENTS

African Utility Week / Kenya Roads Board seeking US$ 547m for Clean Power Africa road maintenance Date: 12th - 14th May, 2015 Venue:CTICC, Cape Town, South Africa Website: www.african-utilityweek.com African Utility Week, will take place from 12 – 14 May 2015 (site visits: 15 May) at the International Convention Centre in Cape Town, South Africa. This event has been running for 15 consecutive years and has established itself as the largest power and water utilities exhibition and conference on the African continent. We offer valuable business opportunities for utilities, municipalities, governments, regulators, large power users and solution providers. Our ability to deliver a unique insight into the entire African power and water sector is why thousands of buyers from over

SA Industry & Technology Fair (INDUTEC) Date: 14th – 15th April, 2015 Venue: Southern Sun Cape Hotel Contact: Brandon@csptoday.com Website: www.csptoday.com

A road under construction in Kenya

US$ 547m is being sought by the Kenya Roads Board (KRB) to help in financing road maintenance in the country by issuing asset-backed infrastructure bond this year. KRB has also been given a nod to proceed with issuing an asset-backed security at the Nairobi Securities Exchange. KRB confirmed that some more money will come from the road maintenance levy fund, which annually collects a rate of Sh9 per litre of diesel and petrol. “We will securitize the fuel levy so we will be paying back the infrastructure bond from collections. The funds will help address the backlog of road maintenance,” said Jacob Ruwa, executive director of the KRB. The asset-backed bond will come in handy as it will aid in the clearance of the road maintenance accumulated backlog estimated to cost about US$438m, which has resulted from regular under financing of the country’s road sector.

Worldwide interest in doing business with Africa has never been so great. Demand from both Southern African and International companies for an umbrella event targeting African industry led to the creation of INDUTEC in 2013. INDUTEC is a synergistic mix of 12 events targeting companies involved in technology, manufacturing, engineering and energy, the water, gas and petrochemical sectors, plastics, pumps, valves and pipes, waste management, recycling technologies and sustainable resource solutions. This Hannover-style industrial

By the end of June, 2014, 3.1 billion litres of diesel and petrol was used – with fuel levy collection hitting US$ 306m in the same period, which is less compared to what KRB need for road maintenance. The roads agency has complained that the charges of Sh9 a litre which has been applicable since 2006, is no longer sufficient given the rise in cost of raw materials, labour and transport which has affected cost of road maintenance.

60 countries and over 80 African utilities attend every year. Clean Power Africa conference and exhibition is the largest event in Africa where major stakeholders from the clean energy sector get together to network, do business and meet new partners and suppliers, including IPPs, developers, utilities, municipalities and solution providers. The event, which is co-located with the 15th annual African Utility Week, will facilitate knowledge exchange at the highest level and will explore clean energy options as a feasible solution to fulfil Africa’s generation capacity needs.

The 4th China Rooftile & Technology Exhibition Date: 12th - 14th May 2015 Venue: Guangzhou Pazhou·China Import and Export Fair Complex Website:www.rooftile-china.com Organized by:Guangzhou Grandeur Exhibition Services Co., Ltd Occupying an area of 15000 square meters, Rooftile China 2013 attracted hundreds of exhibitors and welcomed 8000 visitors, including 1,017 overseas visitors coming from 65 countries and regions, such as France, Russia, South Africa, Australia, Canada, Thailand, India, Switzerland, Israel, and so forth. On the first day of the expo, lots of visitors were received and most of them were real estate developers, agents, international buyers, and those from design institutes, landscape engineering companies, decoration companies as well as other related institutions.

April 2015

fair provides companies with an unprecedented and unique opportunity to network with suppliers and buyers from around the world, all eager to establish business connections in Africa. It’s a perfect singlevenue trade platform for suppliers to showcase products and services to a large, captive group of potential customers. INDUTEC is traditionally endorsed and supported by 35 leading professional institutes and associations across South African industry, making it the leading showcase for industry on the continent. It also plays host to many associated conferences and workshops. 9


CORPORATE NEWS

SODIC to invest US$301.64 million in Egypt Egypt’s property group SODIC has announced on Monday this week that it will invest US$301.64 million in 2015. CEO of SODIC Ahmed Badrawi has said the company is set to build 684 new property units in 2015. The company had announced last year that construction of first phase of its development in Heliopolis would start this year. The Sixth of October Development and Investment Company (SODIC) is an Egyptian company and has subsidiaries working in real estate sales, finishing works, landscaping and property management. Other interest areas include estate finance, interior design and specialised building materials. One of the company’s Hill projects is the Eastown, located adjacent to the campus of America university Cairo and near Cairo International Airport and will become the vibrant hub of the new Cairo district. The real estate development will include construction of a retail mall, an office park and residential units suitable to business people who have an international element in their lifestyle. The infrastructure in the town has been well developed with intersections to aid free movement of cars, cyclers and pedestrians. SODIC’S other development works include apartments, hotels and offices, Weston Business Park, Weston residence, katttameya exclusive apartments, strip and the Weston entertainment hub. SODIC is the third largest listed property group in Egypt.

Orascom Construction to list in Egypt and Dubai stock exchange Orascom Construction, a leading global construction and engineering contractor will be listed in the Egypt stock and Dubai exchange in early March this year. This follows Orascom Construction Industries Netherlands (OCI N.V.’S) announcement that it has commenced the formal demerging of the engineering and construction from its fertilizer and chemical business. The demerger is also planned to take place on March 7 this year. The move will attract additional investment for both companies and create a better business structure and allow them to engage in joint partnerships. Egyptian law requires that Orascom construction offers new ordinary shares which amounts to 15% of the shares to public retail investor, and through a private placement to qualified institutional investors. OCI N.V.’s share capital will reduce by $ 1.4 billion where OCI N.V shareholders will receive one Orascom construction share for every two OCI N.V shares they own. Orascom construction was delisted from the Egyptian stock exchange in 2013 a move which decreased the liquidity in the stock exchange. 10

CEMTECH to set up a new cement factory in Kenya

Bukham US$ 93.71m construction project in Nigeria

A US$131m cement factory is set to be constructed in Ortum, Pokot after delaying for five years. Cemtech chief executive Rajesh Rawal has said that the company will also generate its own power at the site, 64mw, out of which 50mw will be sold for the national grid. The Green field cement plant project will be located 83Km NE of Kitale town and 180Km north of Eldoret town. An 11KV power line passes through the site. All the government agencies have approved the project, and according to Rawal, machines are being assembled outside the country. The cement factory will produce 1.2 million tones of cement per year. CEMTECH which is a subsidiary of the Sanghi Group of India is in harge of the Green field cement factory project has said power generation will help cut down costs while providing reliable. power

An M.O.U has been signed between the Anambra State Government in Nigeria and the Bukham Group to construct 20,000 units of shops among other projects at Anambra International Trade Centre in Oba near Onitsha. The group will, in addition, construct 2,000 warehouses and hotels, a primary school, a cinema house, police post, health centre and a fire station at a cost of US$ 493.71m within a period of five years. Bukham Group chairman confirmed that the first phase is near completion and is expected to be inaugurated by March this year. Construction of 1,700 shops will be done in this phase and they will be ready to let. According to the governor, the government will support the project by building access roads to the centre from OnitshaOwerri road and Oba.

R&D Contracting installs state-of-theart roof for ABI When the time came for Amalgamated Beverage Industries (ABI) to refurbish the roof of its bottling plant in Devland, it looked for a business that has earned a reputation in the industry for its expertise in dealing with unusual roof designs. Since the ABI plant had been built using a very specific ‘origami style’ roof, a contractor with both this specific proficiency and an extensive track record in the commercial and industrial maintenance sector was required. Based on previous experiences with the organisation, ABI turned to R&D Contracting. The new roofing system will vastly improve inplant lighting and ergonomics.

Vestas supply wind turbines for Kenya’s wind farm Vestas has supplied 365 wind turbines that will see Kenya’s Lake

Turkana

Wind

Power

Project (LTWP) give off 310 MW. The order becomes the largest single order for the company.

The

wind

power

project was commissioned in March 2014. It is estimated to cost US$ 766.6m and expected be the largest wind farm in Africa. It will be constructed on a 40,000 acres, and construction was to commence this month. The wind power farm project will be financed by several companies

which

include;

OPIC, Vestas, KP&P BV Africa, Aldwych International Limited, Norfund,

Finnfund

and

the

Danish Investment Fund. April 2015


CIBEX East Africa Trade Fair 2015 Date: 26th - 28th February 2015 Venue: Kenya International Conference Center

A participant visits the Construction Review stand.

A visitor at the RM machinery stand.

The Helukabel Stand.

Participants interract at the National Construction Authority stand.

German Ambassador to Kenya, Andreas Peschke, cuts the cord to open the CIBEX Trade Fair 2015.

The event attracted different participants and stakeholders in the building industry.

SOLAR ENERGY EAST AFRICA Date: 10th - 11th 2015 Venue: Sarova Panafric Hotel, Nairobi, Kenya

Eisen Chok the Technical and Commercial Director, Synergict (right) receiving a CR copy.

Kenya Solar Energy Ltd, MD, Stephen M. Migwi receives a copy of CR Magazine.

Solar Energy East Africa participants during the lunch break.

Dr Daniel Davies, Solarcentury Director, East Africa, taking a look at CR magazine during the event.

Business Development Manager, Alessandro Cianfrone, from Green Energy Development takes a look at a copy of CR.

Participants interracting.


GUEST

Using waterproofing membranes for stone installations By Arthur Mintie, Director, Technical Services LATICRETE International, Inc. Arthur Mintie

M

ore and more stone installations are being applied in wet areas. These areas include showers, tubs, spas, steam rooms, fountains and pools. These are generally considered constant wet areas and by building code and design specification, a waterproofing membrane must be used to protect spaces below and adjacent to the stone installation. The Tile Council of North America’s Handbook for Ceramic Tile Installations provide many details that depict the use of waterproofing membrane in an array of installation methods, including walls, floors, decks, tubs, showers and pools for ceramic tile application. Many of the same principles and methods apply to stone installations. In addition, to the constant wet area applications, a waterproofing membrane can also be used in intermittent wet area applications. For instance, the floor areas outside of a tub or shower are great candidates for waterproofing membranes. In many cases, water spills or splashes out onto these area. Left untreated, the water can migrate through the stone and grout and affect the substrate and the spaces below. Even minor water damage can prove to be very costly to repair. Many of the membranes available today serve a dual purpose; providing both waterproofing and anti-fracture protection. The anti-fracture function helps to reduce the potential for hairline shrinkage and spider web cracks from telegraphing through to the stone surface. An excellent use area for these dual functioning membranes is 12

electric radiant flooring warming systems and hydronic floor heating systems. The membrane not only protects the spaces below and around the stone installation and the heating system, but it also helps to reduce the effects of thermal cycling that these types of installations can experience. The cyclying of the heating system can create thermal stresses in the setting system. The thermal stresses can cause small hairline cracks to transmit up through the stone finish. The use of dual purpose waterproofing and antifracture membrane can help to protect the stone finish. Other areas that can also be waterproofed include, tub decks and surrounds, shower walls and ceilings, countertops, kitchens, exterior facades, building and home entry areas and mud rooms to just mention a few. It has been proven that the use of waterproofing membranes within stone installations significantly reduces the potential for mold and mildew in wet areas. Some of today’s waterproofing membranes come equipped with anti-microbial protection and help to fight the effects of stain causing mold and mildew. Waterproofing membranes also help to keep homes and buildings healthy. They help to prevent the occurrence of poor indoor air quality by protecting against the effects of water damage, including rot, deterioration of building materials, mold and mildew. A few select waterproofing membranes are certified by 3rd party independent agencies for compliance with strict volatile organic compound (VOC) guidelines. These

membranes really help keep the building and home environment healthy! Generally, waterproofing membranes for the stone and tile industry fall into three categories: Liquid Latex Rubber Applied Type 1. Sheet Type 2. Reinforced Latex Fortified Portland 3. Cement Type Within these categories are many membranes; which are thin and load bearing, adding no appreciable thickness to the installation and are fully compatible with latex fortified portland cement based thin set and medium bed mortars. In order to apply the waterproofing membrane, the appropriate substrates should be properly prepared in a similar manner as if a direct bond latex fortified portland cement thin set mortar were to be applied. In conclusion, stone can be successfully installed in wet area applications both for interior and even in demanding exterior applications. The use of waterproofing membranes makes sense in many stone applications. The investment that is made in selecting and installing these systems requires that consideration be given to this important installation feature. The added cost to include a waterproofing membrane in the stone installation is minute when compared to the potential repair or replacement costs that may arise from water and moisture damage. The use of waterproofing membranes provides great peace of mind to both the installer and the building owner. April 2015


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Apex Steel Supports Sustainable Construction APEX Steel Limited has emerged as a leading steel manufacturing company in the East African region and by the extension in Africa. The company manufactures steel that contributes to sustainable construction in the built environment. Due diligence has been carried to ascertain the green building rating points attainable from use of specific products from APEX Steel. Buildings have a profound impact on our natural environment, economy, health and productivity. The built environment accounts for approximately one-third of all greenhouse gas emissions, energy, water and material consumption and

generates similar proportions of pollution. As concerns about sustainability in building design and operation increase, there was a need to develop a framework for assesssing and benchmarking buildings to ascertain conformity to ‘green projects’. WEB Limited in its effort to expand the sustainability industry in Kenya has undertaken the Manufacturer Product Declaration for APEX Steel Limited Rolling Mill Division (RMD). The prodcut review was undertaken in reference to Leadership in Energy and Environmental Design (LEED) and Green Star South Africa green building

April 2015

rating tools. Traditionally, twisted bars were used in the building construction projects. However globally twisted bars have been banned due to their inconsistency in quality. The new generation steel- namely ‘Deformed Bars’; also known as ‘Ribbed Bars’ are now being used all over the world. In Kenya Apex Steel was the pioneer in bringing to the industry deformed bars, manufacturing them locally but to international standards. To read more and to comment on this story visit

http://www.constructionreviewonline.com 13


COVER STORY

Coal power plants for Africa Africa’s answer to power demands

C

Coal in the last decade has come to represent literally everything that is environmentally wrong with our planet and with global warming

included- will not be far behind in tapping this vastly

being seen as a looming dark cloud on the horizon more

35billion tons of recoverable coal reserves that would see

fingers are being pointed at coal as a key contributor of the

it through for the next 122 years. For many this is more

present state of affairs. No one disputes the fact that coal

a blessing than a curse. Several countries have taken the

has a number of environmental challenges ranging from

cue and are in the process of developing coal fired plants

soil erosion, dust and water pollution during mining to the

to meet demand while lowering the cost of electricity to

release of green house gases during the burning of coal

build a competitive manufacturing base.

available resource. Currently Africa needs an additional 7000mw per year to fuel economic growth and sits on

for power generation. In 2012, 34.5 billion metric tons of carbon dioxide from fossil fuels was emitted and coal was

Opposition to coal

the largest contributor being that it is the cheapest option.

This news however has not been received without

For Africa as millions more begin to enjoy electricity for

increasing opposition. The USA has said that it will stop

the first time it is likely to come from power produced

funding new coal power plants except in rare circumstances

by coal which has made environmentalists all the more

tied to environmental conservations, and this position has

worried. One set of experts contend that even the most

since been taken up by the U.K., the Nordic countries, and

aggressive push to seek alternative energy sources to

the Netherlands. In Africa this is seen as unfair given that

coal will not replace coal in the foreseeable future and

the USA still has the highest per capita consumption of coal

with China’s demand rising, third world countries -Africa

while no viable alternatives are on the table and so several

Fact Sheet •

40 percent of the worlds energy is generated by coal

Coal fired power plants are the biggest source of manmade CO2 emissions that contribute to global warming

Africa depends on only 6 percent of the worlds coal deposits all of which is concentrated in Southern Africa

14

77% of South Africa’s power is produced by coal

April 2015


African governments have voiced their insistence on going through with their plans to develop coal resources. When President Obama invited African heads of states to discuss business partnership possibilities in Washington last year’s at the first ever USAfrica Leadership Summit, many leaders said that coal was not to be left out as a strategy for powering Africa. Tanzanian Minister of Power Sospeter Muhongo said "We should not be in the discussion of whether we should use coal or not...we are going to use our natural resources...We will start intensifying the utilization of coal." Chinedu Nebo, Nigeria's Minister of Power on his part said “Africa should be allowed to develop its coal potential. This is very critical. Africa is hugely in darkness.” While the World Bank is bowing to pressure from environmental lobbyists to end funding of coal fired power plants, the African Development Bank (AFDB) has defended its position to continue financing coal fired plants. The Head of the Bank recently echoed the sentiments of most African governments when he said. “It is hypocritical for western governments who have funded their industrialisation using

April 2015

15


COVER STORY

Medupi Power project when completed will produce 4,764MW of electricity

fossil fuels, providing their citizens with enough power, to say to African countries, ‘You cannot develop dams, you cannot develop coal, just rely on these very expensive renewables’,” Ongoing coal power projects South Africa is leading the way in leveraging its huge coal reserves to generate badly needed electricity. It is estimated that coal meets over 70% of the country’s energy needs and Medupi which is South Africa’s first power station to be built in 20 years will be the largest drycooled power station in the world. According to Eskom the local power utility company the six generating units will each produce 794 MW of electricity for a combined total of close to 4,764 MW when it is finally completed. The Kusile Power project which is also currently underway is also set to produce 4,800MW when complete. Like Medupi it will have 6 generating units. Cheap coal to fuel the power stations and the desperate need to meet demand for power in South Africa have necessitated the use of coal and the results are expected to have a positive impact on the country’s power supplies that have bee plagued by load shedding in the last decade. Nigeria In West Africa, a number of coal power plants are planned. Starting with Nigeria which will be counting on coal to produce 40,000MW of power by 2020 to feed its chronic shortfall. The Nigerian Electricity Regulatory Commission (NERC) has allowed Trombay Power Generation Limited to construct a 500MW plant in Gombe State. The Chairman of NERC, Dr. Sam Amadi said while issuing a license to the company in January this year that thorough examination had been carried out to ensure the project met strict standards in regard to feasibility and bankability. The country is also planning to boost power 16

production from another 500MW from a coal power plant to be constructed in Enugu State. The agreement for the coal power plant was signed in January this year between One Nation Energy Platform Ltd – the company undertaking the project – and the Federal government. In Phase two this project will generate a total of 1000MW. The country is hoping to generate 30% of its electricity from coal by 2015. In Ghana where power demand stands at 2000mw with a deficit of 800mw, the Sunon Asogli gas power plant which currently produces 138MW has indicated it plans to use coal to produce more power in its next phase. According to Togbe Afede feasibility studies on the project are underway to ensure the production of 700 megawatts from coal in the first phase to ensure consistent power supply. Egypt approves coal use Like most other African countries the failure to invest in power production facilities in the past has meant that supply has not kept up with demand. In Egypt which had placed a high reliance on gas power plants, failure to invest in new gas fields to supply power stations has meant that its 22,000MW power supply is fast becoming inadequate to the extent that early last year the government approved the importation of coal for generation of power by cement producers. This despite opposition form environmentalists. Following this Suez Cement, Egypt's largest listed cement maker by market value is now going ahead with plans to spend US$84 million this year to equip two factories to run on coal to mitigate the countries energy shortfalls. Another cement company Misr Beni Suef Cement will begin generating power for its cement plant by investing US$27.9m. It is only a matter of time before the country gets its first coal fired power stations supplying the grid. Already two coal-fired power plant projects have April 2015


been announced, one by a consortium led by a private Abu Dhabi-based company and another which will be developed by a JV of Egypt’s Orascom Construction and Abu Dhabi's International Petroleum Investment Co Kenya is also set to enter into coal powered plants. Construction of the Lamu coal power plant is set to begin this October according to an announcement in February by Amu Power, a joint venture between Centum and Gulf Energy. Amu has said that the 981.5MW power project will need 870 acres of land where the plant will be set up and that they were waiting to be granted the land. Amu will have the mandate to operate and own the development for 25 years. The government is hoping to get power from the plant to support heavy industries and the plant will be relying on coal imported from South Africa until Kenya starts sourcing coal from Kitui’s Mui Basin. Lack of adequate power in Africa is also pushing investors in other sectors to invest in coal power generation for their operations. Dangote cement, will be investing in construction of Mbinga coal mine and power plant in the southwest of Tanzania to supply power for its Mtwara Cement plant. Dangote Cement will be counting on the demand of construction materials among them cement, to produce 3MT annually from the Tanzania-based plant. Although the cost of the coal plant ha not been disclosed, it will produce 75MW. Kenya’s National Cement company is also planning on constructing a 15MW coal-fired power plant that would cost them US$19m in order to power their operations on planned limestone mining and clinker manufacturing factories at the location. The company will be counting on the plant to cut down operation costs while expecting to use 63,360t of coal per year. "The cost of procuring electricity from Kenya Power is twice as much when compared with the cost of generating power using coal," said National Cement. Kenya is still struggling to provide cheap power, with many manufacturers decrying of high electricity costs. The Global Commission on the Climate and Economy in its September report on global use of coal called for middle-income countries to start retiring existing coal power plants by 2025 and developed/high income nations to “accelerate the retirement of their existing plants” indicating that coal as a source for energy may not be the future. The stark reality however is that Africa needs power and the cheapest source available is coal. While clean coal technologies have been mooted, the extent of how clean this can be is debatable. While western governments intend to withhold funding savvy business investors with less qualms concerning the environment are keenly snapping up opportunities to invest in coal plants across the continent as governments open up the sector to private investors.

The Egyptian government has approved the importation of coal for generation of power by cement producers.

Power & energy AfricA 2015 April 27 – 29, 2015 – Nairobi, Kenia

Visit the German Pavilion at booth Hall 1 – A215! Meet German companies at Power & Energy Africa 2015 and learn more about renewable energy and energy efficiency technologies. At the exhibition stand of the German Federal Ministry for Economic Affairs and Energy experts will showcase exhibits which demonstrate renewable energy and energy efficiency technology “made in Germany” in an impressive manner. Visit the official German community stand to speak directly with German representatives and experts. We look forward to seeing you at the German stand! Drop in and meet German experts in renewable energy and energy efficiency!

www.renewables-made-in-germany.com www.efficiency-from-germany.info

April 2015

17


WATERPROOFING

Concrete waterproofing Choosing the right product

C

By Dorcas Kang'ereha oncrete is known to be strong, durable and perfect for both utilitarian and decorative purposes worldwide. However, concrete is also porous, permeable and prone to cracking, therefore there is needs for protection so that it does not get damaged by water. Water while essential in concrete production, placement, and curing is at the same time corrosive to the material, because once it fulfills its role in the production and other processes, it becomes an enemy to concrete. Although rated by its function and the nature of its exposure, concrete can as well perform well in wet environments. Joseph Solomon a representative for Anti-Hydro International Inc a company that specializes in concrete waterproofing products suggests that, there is need for general awareness of waterproofing products as Africa emerges as a key global player with its vast natural resources and minerals. Modern technology and revamping of the construction industry in Africa will be key to enhancing this vision. Agreeing with this point of view is Rick Harris, the Director of Masonry Waterproofing Systems Pty Ltd. based in Australia, who says that, as the material use 18

gains momentum through awareness and is recognised ultimately for its performance and environmental qualities, waterproofing products will be indeed the efflorescence systems of choice for many years to come. The company is engaged in supplying and distributing the Evo product range worldwide. Choices The choice of concrete waterproofing is first based on whether the structure is constructed or not. Integral waterproofing defines use of chemicals and additives (admixtures) in the concrete mixing process while preventive membranes and other applicants are used as “housewraps” after construction. Integral waterproofing is much better that use of membranes. Benefits Exposure of concrete to water slowly reduces the permanence/durability of concrete structures, thus raising the cost of maintenance of bridges, buildings and other facilities. Water’s toxic effects on concrete structures can be avoided through the use of waterproofing technology, which efficiently improves the durability and lifespan of April 2015


retarder, so it helps to control the heat of hydration and consequently reduces shrinkage cracking. It doesn’t drastically change the properties of fresh concrete, but it can improve workability somewhat,” he says. PRANs can also help keep surfaces and walls cleaner since they reduce efflorescence. More on PRANs and PRAHsbelow. Types of Concrete Waterproofing Admixtures Waterproofing admixtures reduce permeability of concrete, thus are known as permeability-reducing admixtures. Additionally, these are classified in two – those used in nonhydrostatic conditions (PRAN) and those used under hydrostatic conditions (PRAH). According to American Concrete Institute, PRAHs are better than the PRANs. The best choice for waterproofing under hydrostatic pressure would be (water attracting) hydrophilic crystalline admixtures since they offer greatest resistance to water infiltration and best seal pores, cracks and offer longterm benefits. The reaction between the active ingredients contained in these admixtures and the water and cements particles, produce calcium silicate crystals. These crystals bond with cement paste and effectively seal the pores

concrete structures, hence reducing long-term maintenance costs. From coatings to sealers to membranes, enormous amounts of effort and money are spent in designing and applying such protection, with varying degrees of effectiveness, all with one aim of improving waterproofing to concrete. Thus waterproofing technologies can be helpful in reducing the costs. Water proofing technologies such as PRAs(Permeability-Reducing Agents) can save projects a lot. For example when power generation from hydrodams sometimes may need to be stopped to carry membrane waterproofing and expoxy-coated reinforcement, this comes at great cost. A good example is the rehabilitation of Kariba hydrodam in Zimbabwe and Zambia, whose walls have been deteriorating as a result of corrosion and blockage according to studies done on the facility – the two governments were set to receive US$294m from World Bank, European Union (EU), the Government of Sweden and the African Development Bank for the repair and the project will have to be undertaken over six years to achieve minimal disruptions. Waterproofing concrete comes with other additional benefits according to Greg Maugeri, head of New England Dry Concrete, which distributes Kryton’s line of PRAHs(Permeability-Reducing Admixture for Hydrostatic conditions) in the northeastern U.S. “Besides reducing permeability, the admixture acts as a mild

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19


and microcracks, and therefore preventing infiltration of water through the structure. Cracks will be sealed over the lifetime of the structure since these reaction continues. Concrete admixtures produced from waterrepellent chemicals (hydrophobic) materials such as soaps, vegetable oils, petroleum must be avoided since they do not uniformly seal all pores on concrete – concrete has larger voids – although they resist water infiltration by forming a water-repellent layer. Use of concrete admixtures depends what conditions the structure will be exposed to; permeability is not a big issue with interior columns, beams, and floor slabs in high-rise construction, but use of PRA is important when a structure is to be exposed to water under hydrostatic pressure, wicking, salt water, or moisture or salt itself. They can be trusted in keeping off leaking of water, water migration, carbonation, freezing/thaw damage and efflorescence. Dams, bridges, pools, water tanks, tunnels and subways that will experience more extreme and continuous exposure are better handled by use of PRAHs since they are effective in resisting permeability of water under pressure. PRANs are avoided when water to be resisted is under pressure but mainly used to help structures or products repel rain and dampness as may be needful in pavers, blocks, brick, precast panels and architectural concrete. PRAs waterproofing admixtures can be added in ready-mix concrete at the mixing plant as recommended by an architect or engineer. They can also 20

be added to any concrete mix. Experts can also recommend use of other types of waterproofing products on a building or structure that is complete. “The typical dosage rate for crystalline PRAHs is 2% by weight of total cementitious materials,” says John Ladas, a sales representative for Xypex Chemical Corp.’s waterproofing admixtures, “except in an extraordinary case, such as an exceptionally corrosive atmosphere. We can also modify the formula depending on the circumstances. We make one formulation that doesn’t retard set at all. We might recommend that for large flatwork areas, cold weather, or a mix that contains a lot of slag.” Use of Waterproofing Membranes Waterproofing membranes are available in sheet form or liquid form. Liquid membranes are sprayed, rolled or trowelled onto the concrete surface and cure to form a rubbery waterproof coating. Sheet membranes come in sheet form and are stuck to the concrete surface to provide a waterproof barrier preventing water intrusion into the structural elements of a building or its finished spaces. The material consist of waterproof plastic, rubber, or coated-fabric materials that prevent the entrance of water into foundations, roofs, walls, basements, buildings, and structures when properly installed. Cementitious Waterproofing As the water and name suggests, the material is a cement-based compound with additives April 2015


that is mixed with other bonding agents to create slurry that can be applied to concrete surfaces for waterproofing. Materials such as fly ash, slag and silica can be mixed with concrete as fine particles to fill gaps and render it less permeable. Cementitious waterproofing membranes have been used successfully to shield a wide range of buildings and structural components that are exposed to either periodic or longterm wetting, low hydrostatic pressure or, in combination with appropriate engineering, even high hydrostatic pressure. The major applications are the sealing and waterproofing of terraces, basement walls, water tanks, swimming pools, walls and floors in wet-rooms such as toilets and bathrooms. The slurry membranes are easy to use and non-toxic. The membranes can as well be applied to wet or damp mineral surfaces since their physical properties are less temperature-dependent than bitumen based materials.

cracks or inside. It helps protect structures against effects of aggressive chemicals. It also improves the water proofness and durability of concrete by filling and plugging pores, capillaries, micro-cracks among other voids which are non-soluble and highly resistant crystalline formation. Concrete Sealers In the area of concrete sealers, there are those which penetrate the concrete and those that form a film over the concrete. They include wax, Acrylic Resins, silicates, and linseed oil substances, among others and applied on structures after construction. However, penetrating sealers does not change the appearance of the concrete at all, where as film forming sealers create a coating on the surface of the concrete that is unreceptive to water and other substances. They can be acrylic, polyurethane or

Crystalline Waterproofing Exposure of concrete to water causes it to become a hard solid mass. The resulting byproducts of the reaction reside at the capillary tracts of concrete. Crystalline waterproofing is applied in the form of coating or as a dryshake application on the structure and acts when the chemical reacts with moisture and the by-products of reaction between concrete and water. This results in an insoluble product – in addition, this reaction occurs wherever water goes, whether in structure

epoxy, they are available in clear form or coloured depending on the needs. Using concrete sealers prevents concrete from breathing freely, absorbing water which can lead to a variety of structural and aesthetic problems. To a great extent, stains are also reduced, which helps keeping the floors and other concrete installations looking cleaner. Sealers are easy to apply but may need to be periodically reapplied in order to maintain the waterproofing of the concrete.

April 2015

21


HEADER PROFILE

Eagle Plains Housing Estate

The Axis

Architecture Understanding the Client’s Needs is Pivotal Kenya

FHG Architecture (K) Ltd

N

ot even the best staffed architectural studios can thrive if designs produced do not reflect the client’s desires. Many architectural firms understand that listening first to the client is the most basic requirement before offering advice and proceeding to submit proposals. At FHG Architecture (K) Limited, this is a well known philosophy and it is practised religiously. FHG is a design consultancy based in Nairobi, Kenya. Although it has been in business for a few years, the firm’s predecessor had operated in the country for nearly a decade before reorganization that saw the birth of FHG Architecture (K) Ltd. A vibrant practice with substantial experience cutting across several architectural disciplines, FHG Architecture is keen on delivering projects that are creative, functional and aesthetically appealing within budgetary and time constraints. To that end, the firm has accomplished projects ranging from office blocks, healthcare facilities and gated communities to institutions and residences. FHG Architecture is driven by the primary desire of creating elegant, well designed and cost-effective facilities. Among its numerous projects is The Axis, a high-end office block in the Westlands suburb of Nairobi built at a cost of more that US$ 5 million. The building provides a modern working environment and its design reflects FHG’s desire to use the client’s brief to create an elegant structure with all the amenities and features one would expect of a modern building.

22

Says Architect Samuel Thumbi, one of the directors of FHG: “We are a practice that strives to service the needs of clients, exceed their expectations and ensure their budgets are met.” His fellow director and architect, Andrew Kimani, agrees: “We believe our work is to create an icon after an icon by being keen and thorough while guided by integrity,” Other notable projects FHG has worked on include the Aga Khan Hospital Heart and Cancer Centre. In this project, Andrew Kimani was the Project Architect with a team of over 10 local and international consultants on three continents. The Design Architect was FNDA Canada who brought in a wealth of experience in the medical field leading to an ultramodern treatment facility that cost in excess of KSh1.8 billion (US$ 19 million). Besides Aga Khan, other projects include the Eagle Plains Housing Estate, off Mombasa Road, and gated communities in Lower Kabete, Athi River, Syokimau and Nakuru; residences in Nyari, Kikuyu, Muthaiga and Runda, apartments, institutional projects and many others. Outside Kenya, FHG has undertaken projects across the region including in South Sudan, and Tanzania. The firm is keen on earning its rightful place among the big players in the industry by taking on bigger and more complex projects in Kenya and elsewhere in the years ahead. April 2015


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P. O. Box 75435-00200 NAIROBI, Tel: +254 750 512814, +254 752 729081 E-mail: villawindows@gmail.com Website: www.villawindows.co.ke


HEADER PORTS

On Course Kenya Ports Authority Nears Delivery of Second Container Terminal

Second terminal is just part of the Authority’s ambitious modernization and expansion programme.

Kenya

K

enya has experienced rapid development over the past decade mainly due to sound economic policies that were set in place shortly after the beginning of the new millennium when a reformist political administration took the reins of power. Among the concepts that have been guiding the country in its race to take its citizens towards an industrialized nation is Vision 2030. Vision 2030 is a long-term development blue-print aimed at creating a globally competitive and prosperous nation with a high quality of life by the year 2030. The Vision envisages a newly industrialized, middle-income country providing a high quality of life to all its citizens by 2030 in a clean and secure environment. In order to achieve this ambitious target, various state organizations have adopted strategies to align themselves with this vision and have given themselves certain deliverables that are key to attaining this goal. Among the critical organizations driving this growth is the Kenya Ports Authority (KPA), the public body that manages the country’s seaports. KPA’s biggest mantle is the Port of Mombasa. This port is considered the gateway to East and Central Africa, and is one of the busiest ports along the East African coastline. The port provides direct connectivity to over 80 other ports worldwide and is linked to a vast hinterland comprising Uganda, Rwanda, Burundi, Eastern Democratic Republic of Congo, Northern Tanzania, Southern Sudan, Somalia and Ethiopia by road. A railway line also runs from the port to Uganda and Tanzania.

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In recent years, KPA has embarked on a massive programme to modernize and expand port facilities. Among others, the organization has already completed and launched Berth No. 19 (see Construction Review November 2013 issue). The berth was constructed on reclaimed sea space using material extracted deep from the sea with engineers literally having to push back the sea to create land for the 240 meter long berth. The new berth brought the total quay length of the container terminal to 840 meters, enabling three Panamax vessels of up to 250 meter length each to berth at any given moment. Constructed at an estimated cost of U.S. $ 66.7 Million, Berth No.19 has an additional stacking yard of 15 acres providing a further capacity of 250,000 Twenty Foot Equivalent Units (TEUs) per annum. Another major project at the Port of Mombasa is the construction of a second container terminal as part of the port’s continued efforts to expand capacity ahead of demand. The project, which was commissioned in 2012, is on course with phase one scheduled to be ready shortly. Its main objective is to expand container handling capacity of the port of Mombasa in order to match future trends, stay competitive in cargo handling and facilitate economic development in the Eastern and Central Africa region. To read more and to comment on this story visit

http://www.constructionreviewonline.com April 2015


Kenya

HEADER

Contact Jesper Harder Director, Ports and Terminals T: +45 4810 4448 E: jha@niras.com

PORT DEVELOPMENT CONSULTANT NIRAS is proud to be part of the ambitious development program implemented by Kenya Ports Authority. For a decade we have assisted KPA in the planning, design and project management of container terminal – Berth 16-18 and Berth 19/19A and the new oil terminal KOT. NIRAS A/S

_2015_03_182x131_JHA_SJU_JFI.indd 1 AprilPortdevelopment 2015

www.niras.com

05-03-2015 15:36:43

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HEADER PROJECT

Another Tower to Shape Westlands’ Landscape

Integrated YMR Partnership

Pan Africa Life Assurance Building

T

Kenya

he development will be an iconic and landmark building along Waiyaki Way that will epitomise the rich heritage of Pan Africa Life Assurance as a distinguished and respected global brand. The design is timeless remaining relevant through its life cycle and an attraction for generations on end. The building is a modern and contemporary design that portrays the new face of Kenya. It has been designed with an attractive ambience employing creative use of colours to produce pleasant surroundings. The materials specified for the building are of high quality. The finishes and fittings both internally and externally will age gracefully and withstand adverse weather effects, dust, use etc. The building will have state-of-the-art lifts. As one of the greatest assets of Pan Africa is its employees, the following key attributes were identified as key for a conducive environment and therefore taken into account during the design: • Adequate provision of parking space: the parking caters for the tenants of the building and visitors. • Natural cross ventilation • Adequate and optimised use of natural lighting • Universal ease of accessibility for the disabled, visitors and tenants. Access for office users, visitors, vehicles and the physically challenged is easily identified and user friendly. For vehicles, the design avoids congestion entry and exit points • The design is an intelligent building that incorporates technology • A building that is secure • A building that minimises noise pollution from the road • Beautifully landscaped terrace garden for relaxation The project commenced in 2013 when a feasibility study was done for the project. Concept Design on the project started in late 2013 and was finalized in February 2014. Detailed design was finalized in December 2014. With scheme design complete and necessary approvals (NCC & NEMA) obtained in May 2014, excavation was started in October 2014 and will be complete in March 2015. Unique Features and Environmental Considerations There is synergy between classical modern forms and pure natural forms in the building’s overall design. An iconic light tower at the top of the structure that forms the crown of the building will be visible from far. To read more and to comment on this story visit

http://www.constructionreviewonline.com 26

YMR Partnership provides construction consultancy services in the fields of urban and rural development, building construction and civil engineering projects with core services comprising project cost estimating and cost planning, specification writing, quantity surveying and building economics, construction cost management and administration, construction claims management and services in connection with arbitration or litigation and dispute management/resolution services to a wide range of public and private sector clients

We are proud to be associated with the PAN AFRICA Tower as the Quantity Surveyors

Lion Place, 4th Floor, Waiyaki Way, P.O. Box 69641-00400 Westlands, Nairobi, Kenya. Tel : +254 20 4445380/1 Wireless: +254 020 3286100 Mobile. +254 707 963094, +254 786425729 Email : nairobi@ymr.co.ke Website: www.ymr.co.ke April 2015


ADVERTISERS MESSAGE

New modern weiler Slip former plant for prestressed foundation piles

T

he Ukrainian construction company Khmelnizkzalisobeton (“KHM”) – produces hollow core slabs with a Finnish extruder production line, and reinforced foundation piles made of wet-cast concrete in molds. Up to 4.000 foundation piles are needed for each project, and the existing production method could no longer meet the requirements for high capacity production while respecting design tolerances. At the end of 2012 KHM visited weiler GmbH in Gau-Algesheim – 60 km away from Frankfurt airport – looking for an advanced foundation pile production system. KHM required a daily capacity of 1.000 linear meters of foundation pile with cross sections 30x30 and 35x35 cm and lengths up to 18m. The new system plant had to fit into an existing hall. During a second factory visit, weiler demonstrated on its own test track the

new MULTI-caster ® to KHM (using drymix concrete.) The visiting team of KHM experts was convinced, leading directly to a handshake deal! Customized & tailor-made Solution weiler engineers designed and installed the new weiler MULTI-caster ® line into an existing hall with 24 x 100m of floor space. On 6 steel casting beds, each 96m long, foundation piles and lintels are being slipformed continuously, using the new weiler MULTI-caster ® with 3 quick-exchange cartridges. After only 8 hours curing time the products are cut to the required lengths with a high performing weiler concrete saw.After lifting of the cut elements, the production beds are cleaned with an LPG motor driven

weiler “weasel” – this machine also sprays demoulding oil and pulls pre-stressing wire. Production targets surpassed By April 2014 KHM took over the plant, ready for operation. Today, with only 8 operators, up to 1.700 linear meters of foundation piles are being produced in a single shift operation. Shorter curing times, significant material savings, substantially higher performing final product, reduced steel content, minimized need of cement – approx. 200 kg cement less per m³ of concrete means approx. 2.500 € of savings per day! Concrete hard benefits! KHM’s production chief commented on the results very directly: “that’s simply great!”

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April 2015

27


The 15 Alice Lane Annex The building originally consisted of five structuresthree

By Thunile Nkosi

South Africa

T

he 15 Alice Lane Annex building located at the corner of Alice Lane and Sandton Drive in Sandton has received a complete makeover. The

of which were retained and converted to parking lots;an

redevelopment by Zenprop Property Holdings has seen

floor area to 4,200 square meters. The length and width

the Annex converted

into a AAA-Grade building with

of these plates created a need for an internal atrium that

a 4-Star green design rating to boot. The Annex is an

now brings natural light and reduced the plates into usable

impressive structure with its modern aestheticsconsisting

dimensions, explained Paragon Architects the architects

ofan oblong-shaped design style visible from the Sandton

of the Alice Lane Annex. The glazed curved corners of the

City shopping center, Johannesburg, South Africa.

wall, softens the internal and external forms at each end,

additional level of parking space was added on top of the building together with 5 storeys that increased the

CONSTRUCTION

MAIN CONTRACTOR: 15 Alice Lane Annex Tel: 011 430 7700 28

Web: www.tiber.co.za

Address: 12 Desmond Str, Kramerville April 2015


Landscape Externally the landscape of the building is complemented by the external planting and cascading levels which reduce the elevated scale of the entrance and gives it a more natural look.Not only, does the glazed soft curved cornerscomplement the landscape of the building but when walking up the stairs towards the main entrance, the landscaping elements further mimic the architecture through geometric and triangulated shapes of glass and planted beds. The neutral tone of the “Powder Grey” shades and the clean simplified lines of the rectangular benches outside the building compliment the architecture and landscape. The third floor’s perimeter is lined with fifty nine custom made rectangular planters in a “soot” shade. The stunning moment about the Annex is when one sees the beautiful external landscaping of the Alice Lane Towers, where sugar bowl pots and ulterior table benches have been beautifully settled amongst the outdoor areas. The Alice Lane Annex was completed mid last year and currently has one tenant occupying the first three and half levels of the building, with the two serving as the new home for a separate tenant. The Annex was constructed

next to the Alice Lane Towers. Not only were the two buildings an excellent sketch on paper, butthe landscapes of both building were redefined, complimenting each the igneous concrete furniture South Africa

other perfectly. Also

outside brings out the beauty of each development.

WWW.INKBLOTT.CO.ZA • MAR14

completing the massive off-shutter concrete walls, flaking at the main entrance. The full height aluminum screens on the ease and west elevations deflect the sun’s rays during sunrise and sunset.The glass façade and unique of this prestigious design gleams proudly next to the wellknown Alice Lane Towers. From the external view, the geometric façade incorporation of this design and linear type sections makes the buildings seem like they are only joined together by a series of columns. These linear and geometric shapes and design elements are carried through to the internal areas of the building as well.

SOLUTIONS YOU CAN COUNT ON NUMBERS YOU CAN TRUST

Contact Schoombie Hartmann. Tel: +27 11 795 3556 Fax: +27 11 795 3669 www.sh.co.za | info@sh.co.za Building 6, Bush Hill Office Park, Cnr Dolfyn Street & Jan Frederick Avenue, Randpark Ridge

April 2015 S&H_ADVERT_FINAL.indd 1

29 2014/06/17 9:59 AM


PROJECT

The Sandton Skye Changing the face of Sandton

bedroom apartments as well the spectacular penthouses which are designed to create high tenant desirability in the market place, ensuring the investor’s capital growth.

South Africa By Thunile Nkosi

S

andton Skye, a residential complex located on the corner of Stan road and Grayston drive in Sandton isanother development designed by AMA

Architects featuring three towers of 17 floors. The 34,900 square meter landmark development, constructed at a cost of R1.5 billion (US$129m) is practically the benchmark in the investment property. It consists of a mix of one and two

30

First phase The first-phase tower of Sandton Skye was completed in October 2014 and, the construction of the second phase has commencedwith the third and final yet to be constructed in the near future.Sandton Skye is a pinnacle lifestyle development in Sandton, where a new sphere of luxury has been introduced to South Africa’s richest square mile. This is a five star “urban resort” offering a world class experience, with its iconic assemblage of three wonderfully crafted towers situated on a dynamic public facilities podium. It is also a residential project with a difference in that it will function in a hotel-like fashion with luxury hotel-convenience facilities, trendy restaurant, offering a red carpet experience, cocktail bar, indoor pool. Kids are allowed into this “urban resort” where there is a kids zone inside. The development is a blue chip investment opportunity in the financial hub of Sandton with 80% of the apartments being priced at less than R2 million(US$172,000) at a fixed contract price, not linked to CPI or inflation, explained Lynn Petzer from Lynn Estate, who played an integral part in evolving the Sandton skyline over the past 21 years. Exterior Each and every centimeter of this development is not left un-attended, where each tower block was designed from

April 2015


the inside out, and further redefined in each of the 17 stories through a sculptural exterior skin that is layered in colored glass, stone cladding, aluminum and plaster render. Across the corners of these apartments is a generous panoramic view from a premium vantage pointing one of the most privileged positions inSandton. Interior The individual expression of the vibrant colors’ on the fabric and artworks that will be placed in thecrisp interiors, complement each other perfectly, where white is placed on white, gray on sliver, and charcoal on grey. In addition 3500 square meter of landscaped gardens including an outdoor rim flow pool with wooden decks and double day bed lounger makes the SandtonSkye lookdifferent from the other residential developments in terms of the luxury of green space. Not much brickwork was used within the Sandton Skye building (phase 1) and instead a dry-wall system was used for most of the internal walling.This posed a challenge when they had to come up with a solution of how to accommodate the entire plumbing South Africa

system within these dry-walls but this was overcome by the use of prefabricated frames from Modern Plumbing Works which turned out to be the perfect solution for theSandton Skye project. The completion of all the three towers is set to be in 2020 Sandton Skye Roof Drainage System Geberit are proud to be part of the prestigious Sandton Skye project, working close together with the project team on the drainage system, ensuring the best possible and most effective solution was installed. The GeberitPluviasyphonic roof drainage system coupled with the Geberit HDPE piping was cleverly designed to do more than effectively drain the rain water from the roof, podium and terraces. Insteadthe water is collected and reticulated to discharged into the attenuation tanks. The drainage system was further optimised by using the innovative GeberitSovent fitting, designed for use in high-rise and multi storey buildings such as the Sandton Skye. GeberitSovent not only delivers an extremely cost effective, high performance drainage system, it allows for clear and simple piping layouts, saves space in the duct, uses less material which ensures a quicker installation time. Due to its high capacity and excellent performance GeberitSovent is an ideal drainage solution for any high rise building. Drainage means more than just draining away water – at least as far as Geberit is concerned. Geberit invests a good deal of know-how in the development of innovative products and solutions to ensure that drainage technology keeps up to date with the needs and requirements on the building site. April 2015

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ADVERTISERS’ INDEX

Africa Utility Week..............................OBC

Niras.........................................................25

Athi Steel...............................................IFC

Power & Energy Africa 2015..................17

Apex Steel..................................................3

Schoombie Hartman.................................29

Bamburi Cement......................................25

Sika..........................................................21

BAUMA...................................................20

SS Mehta & Sons Ltd..............................25

Buildexpo.............................................. IBC Structural Construction Co. Ltd...............23 Conmix Ltd .............................................19 Tiber Construction...................................28

Davis & Shirtliff................................... IBC

Varsiva Enterprises Ltd............................13

Geberit......................................................30

Villa Windows.........................................23

General Cable.............................................2 Glasgow Caledonian University................1

Weiler.......................................................27

Jessop & Associates (Pty) Ltd.................31

YMR........................................................26

To advertise with us: Send Email to info@groupafricapublishing.com or contact your nearest agency for more information.

OUR PUBLICATIONS www.constructionreviewonline.com www.ambriefonline.com www.agriculturalreviewonline.com

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