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Stormwater Management System Description <br /> The components of the Stormwater Management System include deep sump catch basins. <br /> conveyance piping, biofiltration swales. and stormwater infiltration basins. <br /> The deep sump catch basins collect the stormwater runoff. The basin outlet pipes are fitted with <br /> an elbow that extends below the static water level of the basin. This elbow will provide a gas <br /> and oil trap in the event of a spill and will also help prevent oil collected in the basin over time <br /> from entering the stormwater system. The deep sump catch basin will also provide a degree of <br /> removal of total suspended solids from the stormwater. Each catch basin will be provided with an <br /> Oilup Sorbent@ oil absorption pillow (Lab Safety Supply # 7A-4004). <br /> Stormwater exiting the collection system is routed to a biofiltration Swale for treatmenprior to <br /> to groundwater. The swales have been desigt ned to treat the 1", 24 hour storm event. <br /> recharge <br /> The stormwater recharge system consists of high-density polyethylene chambers in a field <br /> configuration with stone placed around and under the rows of chambers. <br />