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XERXES® <br />NON -ANCHORED <br />Fremont Shell <br />BUOYANCY <br />2494 E. Fremont st. <br />WATER AT GRADE <br />BY JRB <br />02/16/05 <br />CALCULATION <br />TANK DATA <br />INSTALLATION <br />NOM. CAP. (GAL.) <br />15000 <br />TOTAL COVER INCLUDING SOIL <br />TYPE (SW=I;DWI=2;DWII=3) <br />3 <br />& SLAB (FT) <br />5.00 <br />DRY=1; WET=2 <br />2 <br />TOP SLAB THK (IIS <br />10.00 <br />TANK DIA. (FT.) <br />10 <br />TOP SLAB LNG (FT) <br />31.48 <br />**************************************************** <br />TOP SLAB WID(FT) <br />12.00 <br />PRODUCT STORED (GAL) <br />0 <br />4 OF 42 INCH RISER <br />2 <br />SPEC. GRAY. USED <br />1.00 <br />4 OF 30 INCH RISER <br />BRINE FILL GAL <br />213 <br />SAFETY FACTOR <br />DOWN FORCE/UP FORCE = <br />1.20 ;1 <br />TOTAL WEIGHTS <br />DOWN FORCES <br />CONCRETE WEIGHT <br />27701.67 LBS. <br />BACKFILL WEIGHT <br />125133.73 LBS. <br />TANK WEIGHT <br />8600.00 LBS. <br />PRODUCT WEIGHT <br />0.00 LBS. <br />TOTAL DOWN FORCE <br />161435.39 <br />LBS. <br />UP FORCES <br />TANK DISP. FORCE <br />134624.80 LBS. <br />TOTAL UP FORCE <br />134624.80 <br />LBS. <br />WORKSHEET <br />TANK DATA <br />SHELL DIAMETER ------------- <br />10.00 FT. * <br />ACTUAL CAP (GAL) <br />14976.00 <br />SHELL LENGTH--------------- <br />19.48 FT. * <br />TANK WT. (LBS.) <br />8600.00 <br />DOME PROJECTION——— <br />5.00 FT. * <br />O.A.L. (FT.) <br />29.48 <br />MID POINT HEIGHT---------- <br />9.17 FT. * <br />NUMBER OF RIBS <br />16.00 <br />COLUMN HEIGHT----------- <br />14.17 FT. * <br />****************************************** <br />RIB VOLUNE --------------------- 2631.00 CU. IN. <br />DOME A. (SQ FT) <br />78.54 <br />DOME VOL. (CU FT) <br />523.60 <br />REINFORCED CONCRETE VOLUMES (CU. FT.) <br />TOP SLAB 314.79 <br />TOTAL WET VOLUME 314.79 <br />FORCE = VOL. X 88 LBS/CF 27701.67 <br />LBS. <br />BACKFILL VOLUMES (CU. FT.) <br />OVER TANK (WET) ------------ 1865.56 <br />END -WEDGES (WET)----------- 220.00 <br />TOTAL WET VOLUME 2085.56 <br />FORCE = VOL. X 60 LBS 125133.73 <br />LBS. <br />BUOYANCY <br />SHELL VOLUME--------------- 1610.07 CUBIC FT. <br />DOME VOLUME-------------- 523.60 CUBIC FT. <br />RIB VOLUME------------------ <br />24.36 CUBIC FT. <br />TOTAL VOLUME 2158.03 CUBIC FT. <br />VOL X 7.48 GAL/CUTT. <br />16142.06 GALLONS <br />FORCE = GAL X 8.34 (LBS./GAL.) 134624.80 <br />LBS. <br />