Floors, Walls & Ceilings
Winning with permeable paving An exemplary sustainable drainage (SuDS) scheme – designed by SuDS consultant and landscape architect Robert Bray Associates, and featuring innovative applications of concrete block permeable paving – has won the top prize at the 2017 Landscape Institute Awards.
Bridget Joyce Square in Australia Road, White City, London, is a SuDS park with community at its heart. Its design introduces the innovative concept of concrete block permeable paving as a thin overlay, replacing a tarmac road surface, on the original road base. In this SuDS landscape, designed in association with McCloy Consulting, rainwater is removed straight from the surface without gulleys, then attenuated and treated within the paving before being released horizontally via stainless steel slots into adjacent, well-planted basins. Finally, flow control chambers on outlets from the basins protect the combined sewer. Thus, rainfall remains within the landscape until storms have passed and the sewer can deal with water again. Consultation with local people and a realisation of the potential for the site led to an integrated design that linked two disconnected spaces and created a social arena celebrating rainfall. Concrete block permeable paving was used to break the existing formal road alignment and introduce a ‘piazza’. Local residents were keen to retain memories of a low wall in front of the school, used as a balance beam in their youth. From this, a thematic ‘Wiggly Wall’ was born and became part of a ‘ribbon’ motif that united the linear spaces and symbolised the bringing together of the community.
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Isocrete 1500 specified for development in top London luxury neighbourhood 12,000m2 of Flowcrete’s fast-drying, high-strength, self-levelling screed system, Isocrete 1500, have been installed at a prestigious development in London’s sought-after Mayfair district. Set over 10 floors, Clarges Mayfair features stunning views over Green Park and Buckingham Palace and exceptional private wellness facilities, including a 25m swimming pool, fully equipped gymnasium, sauna and steam room, as well as a private cinema screen and 24-hour concierge and security. 12,000m2 of Isocrete 1500 was specified for the development to deliver a solid platform along with excellent strength and performance drying times. Isocrete 1500 can be walked on in as little as two hours, speeding up construction schedules and allowing follow-on trades early access to the site,
therefore no longer having to wait days or weeks for the screed to cure. Isocrete 1500 can be both hand (0 to 20mm) or pump applied (4 to 20mm) for the easy levelling of concrete floors. For pumped application, at least 8mm average thickness would be a typical expectation on a reasonably level base. Around 2000m2 of Isocrete 1500 can be pumped per day, under suitable conditions. Isocrete 1500 has been designed primarily for new construction where finishes such as carpets, ceramic tiles, vinyl, linoleum wood block or cork need to be applied quickly. It may be used as a screed to receive an epoxy resin finish in areas taking light traffic.
A second system from Flowcrete, Isopol SBR, was also used in the spa and swimming pool area on accounts of its moisture tolerance.
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In this issue, Morgan Sindall has furthered the prosperity prospects of one rural Cambridgeshire village. Elsewhere, PSBJ reports on a recen...