Informa Markets

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June 23, 2009

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Riser safety

According to Ambar Kelly, riser voids – the aperture left to accommodate M&E services on multiple floors of a building – are a major health and safety issue on any construction site.

To influence the way the construction industry approaches the design, build and use of risers, the company has designed RiserSafe. The product is described as a fully cast-in, 100-per-cent protective product that does away with previous systems, such as scaffolding, or temporary plywood covers, which can be breached, or fail.

RiserSafe is cast-in flush with the concrete floor and uses a steel manhole-style cover, which is said to prevent operatives and materials falling through the riser. When M&E services are ready to be installed, the metal plate is exchanged with a plate that has bespoke, laser-cut holes, which house the riser services.

Because the product is installed at the structural-frame build stage, there is immediate protection. Consequently, says the company, work can progress on multiple levels without having to wait for risers to be made safe on floors above, increasing building services productivity by up to 50 per cent.

For more information, and to download the RiserSafe technical sheet, visit

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