50 STRUCTURAL ELEMENTS
incorrectly installed waterproofing measures and thus leaves professionals, contractors and developers vulnerable to claims.
Building underground has been a response to pressures facing homeowners and businesses as space becomes increasingly scarce and expensive in our urban areas
Specialist advice Waterproofing Design Specialists (WDS) are therefore essential to successful basement developments and are one of the recommendations given in BS8102:2009 which states: “A waterproofing specialist should be included as part of the design team so that an integrated waterproofing solution is created”. Often the use of accredited WDS professionals is also a requirement from structural warranty providers to ensure the required level of protection is delivered.
Identifying suitable specialist companies that have the appropriate design capability and resources can be challenging. Looking out for the latest qualifications is one way, such as CSSW (Certificated Structural Surveyor in Waterproofing). Ensuring the company has the necessary professional indemnity insurance helps architects identify a trustworthy provider and deliver an end-to-end design service and accredited product solutions.
Big Foot Systems supplies to wind farm
Big Foot Systems has supplied rooftop chiller plant and ductwork support, safe access and high level maintenance platforms, to the new “Hornsea Project One” offshore wind farm. The flat roof of the substation was single ply PVC membrane which posed a challenge for locating chillers and safe access on the roofs. Big Foot Technical worked with contractors
Balfour Beatty to design a solution which combined the maintenance platforms with plant and duct support. The Big Foot Safe Access range is designed to allow a secure route for service engineers and other trades to gain access to plant.
01323 844355
www.bigfootsupport.com Densoseal selected for RHS garden
As part of refurbishment works at the Royal Horticultural Society’s Garden at Wisley in Surrey, Winn & Coales (Denso) Ltd has supplied Densoseal 16A™ for the prevention of water ingress via cable entry ducts in the switch room and power stations
on site. A self-supporting, non-setting mastic, Densoseal 16A™ was developed for the sealing of cable ducts, conduits and service entry pipes or sleeves from the ingress of water and gas. The firm, fibrous mastic creates a flexible seal around electrical supply cables and is particularly suitable for ducts that are wet or liable to water entry.
0208 6707511
www.denso.net
CSSW professionals have an in-depth knowledge of the many considerations required for below ground construction. By understanding the sources of water, how it flows through the soil, and how it interacts with the structure they have the structural and geotechnical knowledge to be able to talk meaningfully to engineers. Be it designing waterproofing barriers or structural, integral and drained cavity constructions, CSSW professionals will work with stakeholders, and provide full ownership of design briefs, CAD detailing and on-site support.
Building underground has been a response to pressures facing homeowners and businesses as space becomes increasingly scarce and expensive in our urban areas. Effective waterproofing is fundamental to the success of these projects and with the guidance of a qualified WDS professional, architects and designers can ensure that their building is protected from groundwater and meets all necessary standards before the first shovel breaks the ground.
Nik Ullfors is national technical manager of Visqueen
Imperial answers demand
Imperial Bricks has introduced new Restoration Red and Restoration Oxford Yellow Multi Waterstruck bricks in response to increasing demand
for regionally appropriate variations. These traditional handmade bricks are made using a relatively soft clay, with water used as the releasing agent for the moulding process, giving them a smoother appearance, while still retaining character. The new additions work well in the renovation of period properties, extensions, boundary walls as well as high-end new builds.
01952 750816
www.imperialbricks.co.uk Convenient and paper-free
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ADF JULY 2018
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