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SOUNDVIEW TECHNOLOGY CENTER EVERETT, WA <br /> BASIN D <br /> Existing Basin <br /> Name ext D-1 <br /> Bypass: No <br /> Groundwater: No <br /> Pervious Land Use acre <br /> C, Forest, Steep 1.73 <br /> Pervious Total 1.73 <br /> Impervious Land Use acre <br /> Impervious Total 0 <br /> Basin Total 1.73 <br /> Developed Basin <br /> Vault#1 <br /> Name Building A <br /> Bypass: No <br /> Groundwater: No <br /> Pervious Land Use acre <br /> Pervious Total 0 <br /> Impervious Land Use acre <br /> ROOF TOPS FLAT 1.73 <br /> Impervious Total 1.73 <br /> Basin Total 1.73 <br /> Name Vault 1 <br /> Width 9 ft. <br /> Length 444 ft. <br /> Depth: 5.75 ft. <br /> Discharge Structure <br /> Riser Height: 4.75 ft. <br /> Riser Diameter: 12 in. <br /> Notch Type: Rectangular <br /> Notch Width: 0.01 ft. <br /> Notch Height: 1.200 ft. <br /> Orifice 1 Diameter: 0.578 in. Elevation: 0 ft. <br /> Stream Protection Duration <br /> POC #1 <br /> The Facility PASSED <br /> The Facility PASSED. <br /> 1.98m)(610rtm) ,:e ''.s.' _ '� rC• nChS_ <br /> MAX. tIN. `,:; <br /> . ., 46' <br /> J <br /> :1143 mm) <br /> L <br /> * inches <br /> SEPTEMBER 23, 2022 STORMWATER DRAINAGE REPORT PAGE 27 <br />