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Underground Storage Tania Souvancv Calculations for Fiberglass Tanks <br /> Project i1: PIL-618 <br /> Project Name: IFlying J 4618 Ripon,CA Biodiesel Tank Addition <br /> Tank Manufacturer/Model JXerxes 20K Gallon Double-Wall Fiberglass <br /> Number of Tanks: 1 Assumptions <br /> Tank Dry Weight: 6600 lbs <br /> Tank.Volume: 20000 gallons 100%saturation tofinished grade <br /> Tank Diameter: 10 feet ;a water= 62.4 Ib/CF <br /> Tank Bury Depth: 4 feet ^ submerged concrete= 87.6 Ib/CF <br /> Tank Length: feet 0 suomergedaggregate= 57.6 lb/CF <br /> Number of Sumps: 3 <br /> Sump Diameter: 48 inches <br /> Tank Slab Length: 43.66 feet <br /> Tank Slab Width: 16.33 feet ��� <br /> Tank Slab Thickness: 8 inches <br /> Deadman Length: 36 feet C9 ® I <br /> Deadman Width 18 inches 34319 x <br /> Deadman Height: 12 inches <br /> d' r.HA <br /> Tank&Sump(s)Uplift �T�C0F�A, <br /> Tank <br /> U1= 20000 gal x62,41b/CF= 166,622 lbs <br /> 7,49 gal/CF <br /> Sumps <br /> U2= 150.7 CF x 52.4 1b/CF= 9,405 lbs <br /> Total Uplift Ct <br /> U= Jul = 176,027 lbs UP <br /> Dead Weights for Hold Down <br /> Concrete Slab <br /> W1= 475.3 CF x 87.6 Ib/CF= 41,637 lbs <br /> Backfill Above Tank <br /> W2- 1,624 Cr x 57.6 Ib/CF- 93,545 lbs ri <br /> Gravel Cotumn Above Deadman(2 deadmen per tank) <br /> W3- 1440 CF x57.61b/CF- 82,9441bs <br /> Soil Wedge Above Deadman(2 total) <br /> W4= 311.2132 CF x 57.6 Ib/CF= 17,926 lbs <br /> Concrete Deadman(2 deadmen per tank) <br /> W4= 108 CF x 87.6 Ih/CF= 9460.8 lbs <br /> DryWeight of Tank <br /> W5= 6600 lbs <br /> Total Weight <br /> W= J Wi = 252,113 Ibs DOWN <br /> Net Forte <br /> Fnet = J Wi - �Ul = 76,086 DOWN <br /> Factor of Safety <br /> 252,113 ibs <br /> F.S.= 1.43 PASS <br /> 175,027 lbs <br />