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Verizon Communications-Stormwater Site Plan Everett,WA <br /> PREDEVELOPED LAND USE <br /> Name Basin 1 <br /> Bypass: No <br /> GroundWater: No <br /> Pervious Land Use Acres <br /> C, Forest, Flat .459 <br /> Impervious Land Use Acres <br /> Element Flows To: <br /> Surface Interflow Groundwater <br /> Name Basin 1 <br /> Bypass: No <br /> GroundWater: No <br /> Pervious Land Use Acres <br /> Impervious Land Use Acres <br /> PARKING FLAT 0.459 <br /> Element Flows To: <br /> Surface Interflow Groundwater <br /> Trapezoidal Pond 1, Trapezoidal Pond 1, <br /> Name Trapezoidal Pond 1 <br /> Bottom Length: 315ft. <br /> Bottom Width: loft. <br /> Depth : 2.4ft. <br /> Volume at riser head : 0.1477ft. <br /> Infiltration On <br /> Infiltration rate 0.25 <br /> Infiltration saftey factor : 1 <br /> Side slope 1: 3 To 1 <br /> Side slope 2: 3 To 1 <br /> Side slope 3: 3 To 1 <br /> Side slope 4: 3 To 1 <br /> Discharge Structure <br /> Riser Height: 1.4 ft. <br /> Riser Diameter: 18 in. <br /> Element Flows To: <br /> Outlet 1 Outlet 2 <br /> PACLAND Job#50183001 Page 15 <br />