Laserfiche WebLink
3:27 PM <br />Buoyancy of Underground Tanks <br />FIhP..miAss Abrins with nParlman Annhnre "T <br />8/14/97 <br />QUOYFILIR.XLS Page 1 <br />"Bald Typed Items are Input Values" <br />IModern Welding Co. of California <br />Underground Tank Description: USA Petroleum Lodl 12 000 gallon Jacketed Co <br />Tank Model: I G613 — <br />_ Tank Diameter O,D.11nches : <br />97 <br />Tank Length (Inches): <br />384 <br />__— Tank Capacity (Gallons): <br />12182 <br />Primary Shell Thickness inches): <br />0.24 <br />Tank Buoys cy: <br />102,472 <br />Item 1: "Diameter" (inches): <br />42 <br />Item 1: "Height"(Inches):, <br />60 <br />Item 2: "Oiarneter_(hrchas _f <br />�42- <br />�_ Item 2: "Height" inches):I <br />eo <br />Buoyancy contrlbuted by enclosures: <br />—1 <br />8004 1 <br />Total bu�ant_Force of tank: <br />108,478 <br />_ Calculated Tank Weight: <br />-- <br />8013 <br />Net Buoyancy required for Floolout: <br />99,463 <br />Concrete Slab at Grade <br />Concrete weight / cubic foot: <br />130 <br />Surface Concrete Slab Thickness (Inches): I <br />8 <br />Weight of concrete Slab: <br />12269 <br />(Slab size:24"<tank dlameter, 48"< tank length <br />Burial all Water Table Depth <br />Not_saturated sort weight to overcome buoyancy— <br />Maturated backflll weight / # cubic foot: <br />120 <br />_ _ Dry,backrlll welght IX cubic toot: <br />100 <br />_ <br />Burial <br />Tank Burial Depth, Top of tank to grad�lnches : <br />Flovalion of water table," 0 inches" is flooded <br />Wei tit of Backfill q-1rectly over tank: <br />60 <br />79968 <br />Distance from Tank's aide to Excavation Wall (Inches :1 <br />12 <br />OK <br />Deadman Anchor width (Inches); <br />0 <br />OK <br />Deadman Anchor height Inches: <br />12 <br />_ Doadman anchor length Inches . <br />0 <br />OK <br />Deadman Contribution townni Overcoming Buoyancy: <br />0 <br />-W <br />_ To Concrete, overb(irden, deadman contributions: <br />92239 <br />I! �( ) Ihen insurricleni Buoyancy Results: <br />(7,224) <br />SAETY�ACTOR: <br />_ <br />Fiberglass Hotddown Straps <br />1.2 <br />Require <br />1 0.93 INSUFFICIENT <br />— Nei Bouyancy reaction to be overcome by straps <br />0 <br />straps not Ra d. <br />-Ruh -of Holddown straps used on tank: <br />0 <br />Strap Size: 3/18" x 2" each <br />Maximum Allowable Load associated with stra <br />28500 <br />pounds / straw <br />Straps combined strength to overcoming buoyant : <br />SAFETY FACTOR: <br />0 <br />1.50 <br />Required <br />pounds <br />#DIV/01 <br />#DIV/01 <br />QUOYFILIR.XLS Page 1 <br />