IMIESA - Volume 38, Issue 4, April 2013

A recent drilling project crossing under the N1 in Centurion, near the active Gautrain high speed rail, proved tricky until the right contractor for the job, armed with the right equipment, managed a breakthrough.

Coleman Tunnelling's late founding member, John Coleman, is considered to have been a pioneer of trenchless technology and was a founding member of the Pipe Jacking Association, originally established in the UK. Under his leadership the company expanded its market base over several decades, undertaking projects throughout Europe, Asia and Africa.

This article compares costs and discusses the factors that impact a project and the environment and society that should be considered when selecting the appropriate pipeline construction methodology.

Just under 5 000 m of precast concrete stormwater piping is what it will take to drain Waterfall City, currently under construction and earmarked to become Midrand's new CBD.

As economies of scale tighten within the construction industry, clients are leaning toward cutting costs wherever they can. Group Five Pipes' long-term success rate on two of its corrosion coatings - polyurethane and BituGuard - ensures the longevity of its steel pipes is increased; further contributing to sustainable infrastructure.

In today's competitive economic environment, plant operators across all industries are looking for ways to minimise costs while improving productivity.

Plastic pipes have proven to be a cost-effective, maintenance-free and environmentally friendly product. Combine these qualities with a unique air-based system to manufacture PVC-O pipes and you have a product that could revolutionise the bulk water and distribution industry.

Following a strong financial performance last year, pinch and knife gate valve manufacturer Atval is looking at consolidating its success by focusing on expansion across Africa.

Taco Voogt - Technical Director - Concrete Manufacturers Association

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Rocco Lehman - General Manager - Ammann Construction Machinery SA

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John Onraët - Marketing Director - Much Asphalt

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Holger Rust - Director - Terraforce

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Chris Munro - Managing Director - TFM Transtech

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Vikash Narsai - CEO - VNA Consulting

Lafarge's Low CO2 concrete, or 'green' concrete, has been developed to support contractor clients in meeting South Africa's increasingly stringent environmental protection standards, which are aimed at reducing the carbon footprint of the built environment.

Topsoil on the slopes of a landfill site alongside New England Road, Pietermaritzburg, was being eroded by rain and strong winds, resulting in blockage of surface drains at the base of the slopes.