Category: Infrastructure

2017 Fulton Award - WINNERS

FA 2017 infrastructure w

WINNER: Infrastructure

Mount Edgecombe Interchange Upgrade

Judges' Citation:

This project showcases the use of concrete in civil engineering infrastructure in that it encompasses 9 new road bridges, 1 new pedestrian bridge, 9 mechanically stabilised earth walls, and 3 soil nail retaining walls. It featured three simultaneous incremental launches with a combined deck length that exceeds 1.5 km, the longest incrementally launched viaduct in the southern hemisphere, and three incremental launches being constructed simultaneously. This is a South African first. It was constructed under difficult conditions having to deal with maintaining the requirements of the heavy existing traffic demands within a congested site.

As a result of the vast scope, the wide variety of engineering disciplines and different construction elements, a total of 41 concrete mixes were designed for this project as well as three different grout mixes and two different sprayed concrete (shotcrete) mixes.

South Africa’s largest interchange with its wide use of finishes, techniques and elements is a deserved winner of the Fulton Award in the “Infrastructure” Category.

 

Location:  Umhlanga (KwaZulu-Natal)
Submitted By:  SMEC Consulting Engineering
Client:  South African National Roads Agency Ltd SOC
Principal Agent:  SMEC Consulting Engineers
Main Contractor:  CMC Di Ravenna South Africa Branch
Specialist Sub-Contractors:  VSL Construction Solutions
Suppliers:  Natal Portland Cement, Ital Concrete, Conchem Construction Chemicals

 

FA 2017 webpage infrastucture c1

Commendation: Infrastructure

The Mndwaka Dam

Judges' Citation:

The Mndwaka Dam is a classic example of how a relatively simple construction method such as Rubble Masonry Construction can provide vital water infrastructure to remote rural areas. This RMC multiple arch-buttress dam provides domestic water supply to 63 rural villages. Its height of almost 30 m and its RMC volume of approximately 30 000 m3 makes Mndwaka Dam the highest and largest RMC dam of this type yet constructed in southern Africa.

The curving lines of the dam were selected to blend into the rolling hills of the Eastern Cape coastal region, producing an unobtrusive, though striking feature. It is noteworthy that during the construction stage utmost care was taken to minimise the environmental impact. All the materials were sourced, screened and crushed within the dam basin and the scars left from the quarrying and crushing have all been inundated after the first filling of the dam. The use of this type of construction maximised social benefits to the community, not only by being labour intensive which allowed a source of income and upliftment, but also as an opportunity to facilitate the transfer of skills into the local community.

A worthy recipient of a judges’ commendation.

 

Location:  Eastern Cape
Submitted by:  Zana Manzi Joint Venture (Pty) Ltd
Client:  Amathole District Municipality
Principal Agent:  Sontinga Consulting Services in association with ARQ Consulting Engineers
Main Contractor:  Zana Manzi Joint Venture (Pty) Ltd
Specialist Sub-Contractors:  Rodio Geotechnics (Pty) Ltd
Suppliers:  AfriSam, a.b.e. Construction Chemicals, Chryso

 

FA 2017 webpage infrastucture c2

Commendation: Infrastructure

Kusile Power Station Main Civil & Completion Works

Judges' Citation:

This large mega-project showcases concrete through its use of a large variety of different applications and various construction methods. The high quality work was achieved despite having to meet stringent and comprehensive environmental and quality requirements simultaneously with many other construction activities.

Meticulous planning, quality control, manpower and skills were required to execute single cast pours ranging from 500 m3 to 3 600 m3, and large multiple pours simultaneously. The result was a total of over 600 000 m3 of concrete placed together with in excess of 5 000 precast items. This project bears testimony to expertise and excellence in the use of concrete in construction of infrastructure.

This project is deserving of a judges’ commendation.

 

Location:  Mpumalanga
Submitted by:  Kusile Civil Works Joint Venture
Client:  Eskom Holdings SOC Limited
Principal Agent:  Black & Veatch International
Main Contractor:  Kusile Civil Works Joint Venture
Suppliers:  PPC Nelspruit, Ash Resources, 3Q Mahuma Concrete

 

FA 2017 webpage infrastucture c3

Commendation: Infrastructure

Concrete of Highest Quality for Africa’s Largest Suspension Bridge

Judges' Citation:

The bridge approach structures together with the pylons and massive gravity anchorages highlight the ability of concrete to contribute to good quality durable infrastructure in Africa. Existing site constraints dictated that two different design and construction methods had to be used for the approach structures on either side of the main bridge, namely balanced cantilever in one case and prefabricated post-tensioned beams in the other. The two 50 m diameter concrete cable anchors, which in the case of the south bank, was more than 37 m deep, created some unique design and construction challenges. The quality of the concrete work was excellent with particularly good attention to detail and the innovative techniques in the precast yard had resulted in an excellent surface finish. The expertise and teamwork contributed towards a project which will result in one of Maputo’s and Africa’s impressive landmarks. This project was worthy of a judges’ commendation.

 

Location:  Maputo (Mozambique)
Submitted by:  China Road & Bridge Corporation and GAUFF GmbH & Co. Engineering
Client:  Cempresa De Desenvolvimento da Maputo SUL, E.P.
Main Contractor:  China Road and Bridge Corporation (CRBC)
Suppliers:  CM Cimentos De Mozambique, Ulula Ash

 

 

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