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a <br />Airport 100 <br />Storm Water Detention Vault <br />DESIGN CRITERIA <br />Code: 2015 IBC <br />Permitting City of Everett, Washington <br />Soil Cover: 2.Oft min to 3.Oft max <br />Lid Loading: 150 psf uniform live load <br />HS25 truck wheel loading <br />Fire Truck wheel load GV W=70,OOOlbs <br />Fire truck outrigger loading 45,000lbs over 18" square pad. <br />Vactor Truck loading as shown on sheet 2 <br />Uniform live load does not act concurrently with HS25 or Fire truck & Vactor wheel loading <br />and or Fire truck outrigger loading. <br />Raised Grate: l 00psf uniform pedestrian live load. <br />Foundation Design: <br />Foundation design is based on the following values provided by Associated Earth Sciences in <br />their geotechnical report dated 03-29-2019 <br />Allowable Bearing Pressure: 5,000 psf on dense lodgement till <br />Lateral Earth Pressures on Vault Walls ( drained level backfill condition ): <br />At Rest: <br />Seismic Addition: <br />Saturated Soil Density: <br />Material Requirements: <br />50 pcf EFW <br />E =1 OH psf Uniform <br />125 pcf <br />Rebar: Grade 60 <br />Concrete: fe= 4000 psi walls, footings and grade slab <br />Lid: Pre -cast, Pre -stressed Hollow Core Plank 12-1/2" thick. <br />