Permachannel
A linear treatment system, with a catchment area of 30m², which can reduce hydrocarbon pollution below 5mg/l.
pdf (2.92 MB)Permavoid Technical Bulletin Issue 4 -...
pdf (7.13 MB)Pollution Management
Increasingly, regulations and design guidance highlight developer's obligation to mitigate the risk of pollutants emanating from contaminated run-off from hard standing surfaces.
The most common diffuse pollutants are hydrocarbons and contaminated silts. The Permavoid system offers an integrated technique for the source control treatment of polluted run-off using advanced geotextiles and flotation techniques such as:
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Permaceptor
ViewA combined run-off collection, silt/oil interceptor and treatment system with a catchment area of 150m².
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Permavoid Biomat
ViewHas been specifically designed to remove hydrocarbon pollutants from surface water and is capable of retaining 56g of oil per m².
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Permafilter Geotextile
ViewA non-woven, needle punched geotextile designed to retain up to 6l of oil per 10m².
Literature & Technical info
pdf (2.92 MB)pdf (7.13 MB)Case Studies
Walthamstow Stadium: Polypipe supplies Permavoid
The Walthamstow Stadium redevelopment project, developed by Quadrant Construction, will boast 294 new homes that incorporate sustainable drainage features, brown roofs...
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Polypipe’s Permavoid and Polystorm selected for new bet365 HQ
Overseen by Main Contractor John Sisk Ltd, the development of the new UK Head Office of bet365 in Stoke-on-Trent saw Polypipe’s products installed by groundworker E P...
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