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7th' 1C ' 7I L.i 7� uSH H t HULLUM HUMUMH � 14 bee! Me <br />3l27.N 2uoyancy of Underground Tanks . <br />roerglass Straos with Deadman Anchors <br />8/14!07 <br />"20M ed Items ars In of UflltlaA" IuMQm Uva, no Co. of CQII(OfRIQ <br />Un Orground Tank Deacri ion, UBA Petroleum, LOCI, 12,000 allon Jacketed Co <br />Tank Modeld <br />Tank Diameter 0 0 (Inchso):l <br />Tank Lon h Inchei: <br />0813 <br />07 <br />384 <br />— <br />Tank Ca c Gallons : <br />Prima 8hsil Thlckneea prichsal. <br />Tank Buoyancy: <br />8um / Enclosures <br />12162 <br />0.24 <br />102 472 <br />— <br />Item 1: "Diameter Inches : <br />42 <br />ROM : "Haight" Inchaa : <br />8o <br />Item 2: " Diamstar" Inch.: <br />Item 4; "Hel h!" Inahos : <br />42 <br />80 <br />Bu o an contributed bv enGosures: <br />8004 <br />Total buoyant Farce of tank:! <br />108,478 <br />Calculated Tank Welghl:j <br />8013 <br />Nat Buoyancy req. re for FioatouP <br />Concrete $lab at Orads <br />— <br />Concrete wei ht / cubic foot: <br />aunc�e Concratk Blab Thickness Inches : <br />-(Slab slze:24 "clank dlnWeight of concrete Slab: <br />mster 4a"< tank ion th <br />130 <br />e <br />236.6 <br />Burial and Water Table Diff0th <br />Net saturated eoll wel M to overcome buoyancy <br />87.6 <br />— <br />aatursted baekflll Weight 10 cubic foot: 1 <br />120 <br />Dry backfill -eight / # cubic foot: <br />Tank Burial usl3th, Top of tank to grade (Inches): <br />100 <br />60 <br />I <br />— <br />1518vatlon of water mole " 0 inchaw, Is flooded holo: I <br />96 <br />OK <br />Wel to of Backfill direct!y over tank: <br />144191 <br />Distance from Tank's side to Excavation Wall (Inches):1 <br />Deadman Anchor Width (Inchu):1 <br />12 <br />0 <br />OK <br />OK <br />Q <br />Deadman Anchor hal ht Inches): <br />12 <br />c� <br />Deadman anchor len (Inches ) -i <br />0 <br />OK — <br />s <br />20 <br />Deadman Contnbutlon toward Overcoming Buoyancy: 1 <br />0 <br />Total Concrete overtwrdan, deedman oontrlbutlons: <br />1e7788 <br />9 uF <br />Its ) then Insuf alent Buoyancy Results: <br />23 <br />SAFETY FACT <br />A <br />u re <br />Fiber lass Holddown Stra s <br />Net Bou an reaction to be overcome b stra e <br />Number at Holddown straps used on tank: <br />Maximum Allowable Load associated with stra : <br />8tro s combined siren th to overcomin buo ane „ <br />0 <br />0 <br />28500 <br />0 <br />Ietraoa not Rsgd. <br />8tra Slze: 3/10" <br />ounds [strap <br />ounds <br />—x2v each <br />SAFETY ACTOR: <br />r1D <br />M IV/01 <br />u retl <br />BUOYFIBRALS page 1 <br />j <br />