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0 <br /> Everett Office Building 2-Z <br /> Storm Water Detention Vault <br /> DESIGN CRITERIA <br /> Code: 2006 IBC <br /> Permitting Agency: City of Everett <br /> Soil Cover: l'-0" minimum to 1'-9" maximum <br /> Lid Loading: HS20-44 truck loading <br /> 150 psf uniform live load <br /> Uniform live load not to act concurrently with truck <br /> wheel loading. <br /> Foundation Design: <br /> Foundation design is based on the following values derived from the <br /> geotechnical report by Liu & Associates, Inc. dated May 28, 2007: <br /> Allowable Bearing Pressure: 4,000 psf <br /> Lateral Earth Pressures on Vault Walls: <br /> At Rest Condition: 50 pcf EFW (Drained Level Backfill) <br /> Seismic Addition: E = 8.5H psf Inverted Triangular Distribution <br /> Passive Soil Resistance: 375 <br /> Coefficient of Base Friction: 0.60 <br /> Saturated Soil Density: 125 pcf <br /> IBC Soil Classification: C <br /> Material Requirements: <br /> Rebar: Grade 60 <br /> Concrete: fc= 3000 psi <br /> Lid: Pre-cast, Pre-stressed Hollow Core Plank 12-1/2" thick. <br />