Its high strength, durability and modular nature allows it to be strategically designed into pavement structures and is therefore ideal for use in projects requiring shallow soakaway/infiltration, attenuation or detention, such as in contaminated ground and in areas with high water tables. When combined with other parts of the Permavoid geocellular range, the complete water management system allows for superior management and improvement of water quality.
Permavoid is a shallow geocellular water management system aimed at managing stormwater and surface water at source, as close to where it falls as possible and is the ideal Sustainable urban Drainage System application for projects requiring such a solution.
Permavoid
Permavoid
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Permachannel
Permachannel
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Permavoid Biomat
Permavoid Biomat is a geosynthetic layer that is designed to intercept and treat residual oils present within emulsified surface water.
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Geomembrane
Geomembranes are impermeable liners used in water management systems to form watertight tanks for the retention of surface water and are especially beneficial in infiltration or soakaway applications. The membrane used depends on a risk assessment of the site and the ground and groundwater conditions. A robust, heavy duty product that is resistant to puncture, Geomembrane
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Geotextile
Geotextile can be used to wrap geocellular tanks or to line aggregate layers and can significantly enhance the water treatment aspect of the water management system and is especially beneficial in infiltration or soakaway applications; particularly in proximity to sensitive aquifers or source protection zones. Geotextile has been specifically designed for the hydrocarbon
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Shallower attenuation, detention or soakaway /infiltration structures are often necessary in the Middle East because the ground at greater depths can present construction challenges. This could be the presence of chemicals or contamination left over from previous land use, underground watercourses or – more commonly in this region – an unusually high water table. A shallow approach is preferable because it does not rely on expensive pumping equipment and also has a reduced environmental impact due to the reduced excavation and work that needs to take place on site, making it the ideal green infrastructure solution.
Case Studies
