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Pervious Land Use acre <br /> C, Pasture, Flat .097 <br /> Pervious Total 0.097 <br /> Impervious Land Use acre <br /> ROOF TOPS FLAT 0.1 <br /> DRIVEWAYS FLAT 0.0787 <br /> Impervious Total 0.1787 <br /> Basin Total 0.2757 <br /> Element Flows To: <br /> Surface Interflow Groundwater <br /> Surface retention 1 Surface retention 1 <br /> Name : Bioretention 1 <br /> Bottom Length: 30.00 ft. <br /> Bottom Width: 2.00 ft. <br /> Material thickness of first layer: 0.25 <br /> Material type for first layer: ASTM 100 <br /> Material thickness of second layer: 1.5 <br /> Material type for second layer: SMMWW 12 in/hr <br /> Material thickness of third layer: 1 <br /> Material type for third layer: GRAVEL <br /> Infiltration On <br /> Infiltration rate: 0.9 <br /> Infiltration safety factor: 1 <br /> Wetted surface area On <br /> Total Volume Infiltrated (ac-ft.) : 30.993 <br /> Total Volume Through Riser (ac-ft.) : 2.549 <br /> Total Volume Through Facility (ac-ft.) : 33.542 <br /> Percent Infiltrated: 92.4 <br /> Total Precip Applied to Facility: 1.873 <br /> Total Evap From Facility: 0.81 <br /> Underdrain not used <br /> Discharge Structure <br /> Riser Height: 0.5 ft. <br /> Riser Diameter: 6 in. <br /> Notch Type: Rectangular <br /> Notch Width: 0.000 ft. <br /> Notch Height: 0.000 ft. <br /> Orifice 1 Diameter: 0.5 in. Elevation: 0 ft. <br /> Element Flows To: <br /> Outlet 1 Outlet 2 <br /> 32 <br />