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WWHM4 <br /> • PROJECT REPORT <br /> Project Name: Filterra Sizing <br /> Site Name Seaway Transit Center <br /> Site Address: <br /> City Everett, WA <br /> Report Date : 8/16/2016 <br /> Gage Everett <br /> Data Start 1948/10/01 <br /> Data End 1997/09/30 <br /> (adjusted) Precip Scale: 0.00 <br /> Version 2011/12/23 <br /> PREDEVELOPED LAND USE <br /> MITIGATED LAND USE <br /> Name Catchment Area <br /> Bypass: No <br /> GroundWater: No <br /> Pervious Land Use Acres <br /> Impervious Land Use Acres <br /> ROADS MOD 0.183655 <br /> Element Flows To: <br /> Surface Interflow Groundwater <br /> Filterra Filterra <br /> Name Filterra <br /> Bottom Length: 6.00 ft. <br /> Bottom Width : 4.00 ft. <br /> Depth : 0.75 ft. <br /> Side slope 1: 0 To 1 <br /> Side slope 2: 0 To 1 <br /> Side slope 3: 0 To 1 <br /> Side slope 4: 0 To 1 <br /> Filtration On <br /> Hydraulic conductivity : 24.82 <br /> Depth of filter medium : 1.8 <br /> Discharge Structure <br /> Riser Height: 0.7 ft. <br /> Riser Diameter: 100 in. <br /> Element Flows To: <br /> Outlet 1 Outlet 2 <br /> Sand Filter Hydraulic Table <br /> Stage(ft) Area(ac) Volume(ac-ft) Discharge(cfs) Infilt(cfs) <br /> 0.0000 0.000 0.000 0.000 0.000 <br /> 0.0083 0 .000 0.000 0.000 0.000 <br /> 0.0167 0.000 0.000 0.000 0.000 <br /> 0.0250 0.000 0.000 0.000 0.000 <br /> 0.0333 0.000 0.000 0 .000 0.000 <br /> 0.0417 0.000 0.000 0.000 0.000 <br /> 0.0500 0.000 0.000 0.000 0.000 <br /> 0.0583 0.000 0.000 0 .000 0.000 <br /> 0.0667 0 .000 0.000 0.000 0.000 <br />