Laserfiche WebLink
Pervious Land Use acre <br /> Pervious Total 0 <br /> Impervious Land Use acre <br /> ROOF TOPS FLAT 0.4 <br /> DRIVEWAYS MOD 0.02 <br /> SIDEWALKS MOD 0.01 <br /> Impervious Total 0.43 <br /> Basin Total 0.43 <br /> Element Flows To: <br /> Surface Interflow Groundwater <br /> Gravel Trench Bed 1 Gravel Trench Bed 1 <br /> Name : Gravel Trench Bed 1 <br /> Bottom Length: 56.40 ft. <br /> Bottom Width: 56.40 ft. <br /> Trench bottom slope 1: 0 To 1 <br /> Trench Left side slope 0: 0 To 1 <br /> Trench right side slope 2: 0 To 1 <br /> Material thickness of first layer: 3 <br /> Pour Space of material for first layer: 0. 825 <br /> Material thickness of second layer: 0 <br /> Pour Space of material for second layer: 0 <br /> Material thickness of third layer: 0 <br /> Pour Space of material for third layer: 0 <br /> Discharge Structure <br /> Riser Height: 3 ft. <br /> Riser Diameter: 12 in. <br /> Orifice 1 Diameter: 0.44 in. Elevation: 0 ft. <br /> Orifice 2 Diameter: 0. 68 in. Elevation: 1. 651 ft. <br /> Orifice 3 Diameter: 0.44 in. Elevation: 2. 446 ft. <br /> Element Flows To: <br /> Outlet 1 Outlet 2 <br /> Gravel Trench Bed Hydraulic Table <br /> Stage(feet) Area(ac.) Volume(ac-ft.) Discharge(cfs) Infilt(cfs) <br /> 0.0000 0.073 0. 000 0.000 0.000 <br /> 0.0389 0.073 0.002 0.001 0.000 <br /> 0.0778 0.073 0.004 0.001 0. 000 <br /> Insight Engineering Co. -Stormwater Site Plan 09/10/18 <br /> -21 - <br />