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Pervious Pavements - Helps Water Soak into the Grond and not Run Off |
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Pervious pavement solve the need for a hardscape surface that can also allow water to soak int the earth rather than flow into a storm sewer. Among the more costly means to handle water are catch basins and ponds to allow for a more controlled flow and absorption. " ... a unique and effective means to address important environmental issues and support green, sustainable growth.... porous concrete is instrumental in recharging groundwater, reducing stormwater runoff, and meeting U.S. Environmental Protection Agency (EPA) stormwater regulations. ... pervious concrete is among the Best Management Practices (BMPs) recommended by the EPA ... for the management of stormwater runoff ..." " ... Typically, between 15% and 25% voids are achieved ... flow rates ... typically around 480 in./hr (0.34 cm/s, which is 5 gal/ft²/ min or 200 L/m²/min),... "
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