56 GROUNDWORKS; STRUCTURAL ELEMENTS
gravity feeds water to point of use. For protection during periods of low rainfall a mains water top-up provides a continuous failsafe supply.
Attenuation tanks and crates can now also be utilised for storing harvested rainwater, hence the term “Active Attenuation”. Using intelligent weather predicting technology some systems can ensure that the available capacity of the tank is at a safe level should a storm hit the site. This means that the overall combined capacity of the attenuation and rainwater harvesting system can be reduced. Also, architects can add value to a client by converting their attenuation system into a rainwater harvesting system to save them money and water.
debris, leaves etc. Water enters the tank via an inlet calmer preventing disturbance to fine sediment on the base of the tank. Excess rainwater flows out of an overflow that has a one-way valve and rodent protection. Inside the tank are sensors and a submersible pump, which on demand take water from the cleanest part of the tank through a floating suction filter supplying filtered rainwater to the break tank in the roof space. This tank then
Harvesting rainwater is now accessible, acceptable and critical to the way we design our future buildings. By acting responsibly and designing with consideration for future water shortage predictions we can ensure that our new building stock is as water friendly as it can possibly be.
Lisa Farnsworth is managing director at Stormsaver
New Metric Waterstruck range
Imperial Bricks has introduced a new range of seven different waterstruck bricks, available from stock in metric sizes, to work with modern blocks and lintels. Waterstruck bricks have a unique texture due to the traditional methods of production. The bricks are soft-mud
moulded using clay with a high water content and water is also used as the releasing agent, giving the bricks a relatively smooth appearance. The new range is available in standard metric sizes, making the bricks ideal for use on high-end luxury developments.
01952 750816
www.imperialbricks.co.uk EPDM roofing membrane is in fashion
Firestone Building Products’ RubberGard™ EPDM single ply roofing membrane is set to ensure fashion fans enjoy a dry and comfortable shopping environment after a roof refurbishment at Matalan’s Killingworth Centre store. Dave Stephens from DAR Roofing said: “Not only does Firestone have an EPDM roofing system that is especially-designed to offer the rapid waterproofing coverage and resistance to wind
uplift we needed during installation, but the permanent elasticity and 300 per cent elongation offered by the system mean that it will not crack or tear, either during installation or throughout its service life.”
info@fbpl.co.uk
WWW.ARCHITECTSDATAFILE.CO.UK
ADF AUGUST 2018
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