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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 />10000 <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 (IN) <br />9.00 <br />TANK DIA. (FT.) <br />10 <br />TOP SLAB LNG (FT) <br />23.44 <br />**************************************************** <br />TOP SLAB WID(IM <br />12.00 <br />PRODUCT STORED (GAL) <br />0 <br />II OF 42 INCH RISER <br />2 <br />SPEC. GRAV. USED <br />1.00 <br />4 OF 30 INCH RISER <br />BRINE FILL (GAL) <br />144 <br />SAFETY FACTOR <br />DOWN FORCE/UP FORCE = <br />1.28 ;1 <br />TOTAL WEIGHTS <br />DOWN FORCES <br />CONCRETE WEIGHT <br />18562.50 LBS. <br />BACKFILL WEIGHT <br />96632.22 LBS. <br />TANK WEIGHT <br />6200.00 LBS. <br />PRODUCT WEIGHT <br />0.00 LBS. <br />TOTAL DOWN FORCE <br />121394.72 <br />LBS. <br />UP FORCES <br />TANK DISP. FORCE <br />94754.17 LBS. <br />TOTAL UP FORCE <br />94754.17 <br />LBS. <br />WORKSHEET <br />TANK DATA <br />SHELL DIAMETER ------------- <br />10.00 FT. * <br />ACTUAL CAP (GAL) <br />10369.00 <br />SHELL LENGTH ----------------- <br />11.44 FT. * <br />TANK WT. (LBS.) <br />6200.00 <br />DOME PROJECTION ----------- <br />5.00 FT. * <br />O.A.L. (FT.) <br />21.44 <br />MID POINT HEIGHT---------- <br />9.25 FT. * <br />NUMBER OF RIBS <br />10.00 <br />COLUMN HEIGHT----------- <br />14.25 FT. * <br />********************#*s******************* <br />RIB VOLUME------------------ <br />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 <br />210.94 <br />TOTAL WET VOLUME <br />210.94 <br />FORCE = VOL. X 88 LBS/CF 18562.50 <br />LBS. <br />BACKFILL VOLUMES (CU. FT.) <br />OVER TANK (WET) ------------ 1388.54 <br />END -WEDGES (WET)----------- 222.00 <br />TOTAL WET VOLUME 1610.54 <br />FORCE = VOL. X 60 LBS 96632.22 <br />LBS. <br />BUOYANCY <br />SHELL VOLUME--------------- 980.08 CUBIC FT. <br />DOME VOLUME --------------- 523.60 CUBIC FT. <br />RIB VOLUME------------------- 15.23 CUBIC FT. <br />TOTAL VOLUME 1518.91 CUBIC FT. <br />VOL X 7.48 GAL/CUTT. <br />11361.41 GALLONS <br />FORCE = GAL X 8.34 (LBS./GAL.) 94754.17 <br />LBS. <br />