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tank.xls rev 2/10/96 <br /> RHL DESIGN GROUP INC. JAMES H.RAY RCE 24518 <br /> 1137 NORTH McDOWELL BLVD. <br /> PETALUMA, CA 94954-1469 <br /> (707) 765-1660 <br /> CLIENT PACIFIC BELL, Stockton, CA <br /> JOB# <br /> DATE: 7/7/97 <br /> HOLDDOWN CALCULATIONS FOR FLAT END UNDERGROUND TANK NONE <br /> MODER WELDING 4000 GALLON DW Steel w/ FRP UG TANK 1.42 <br /> TANK TANK MAT DEPTH MISC. <br /> OD= 6.00 WIDTH= 10.00 W.L.= 0.67 DRYBF= 100 <br /> OL= 20.50 LENGTH= 24.00 TANK= 4.00 SUBBF= 60 <br /> WGT= 7300 DEPTH= 0.67 HD= LGTHHD= <br /> #MW= 2 SIZEHD= <br /> ODMW 3.50 MWarea= 19.24 <br /> HDS= <br /> VOLUME PCF TOTAL LBS <br /> BUOYANCY INCLUDING MANWAYS 644 62.4 40167 <br /> TANK DEAD WEIGHT 7300 <br /> CONCRETE TANK SLAB - above WL 161 150 24120 <br /> CONCRETE TANK SLAB - below WL 0 88 0 <br /> BF DRY 0 100 0 <br /> BF SUB ABOVE TNK 410 60 24575 <br /> BF DRY BELOW TNK TOP- SIDES 0 100 0 <br /> BF SUB BELOW TOP OF TANK - SIDES 79 60 4751 <br /> BF HD DRY 0 100 0 <br /> BF HD SUB 0 60 0 <br /> HD SUB WEIGHT 0 1 87.6 0 <br /> BF REDUCTION FOR MANWAYS -3845 <br /> TOTAL DOWN LOAD 56902 <br /> NET DOWN LOAD 16735 <br /> F.S. WITH DEADMEN NONE <br /> F.S. WITHOUT DEADMEN 1.42 <br /> REQUIRED FACTOR OF SAFETY MINIMUM 1.25 <br /> FACTOR OF SAFETY 1.25 NONE <br /> MAXIMUM LOAD TO DEADMEN FOR F.S. 0 0 <br /> AVERAGE LOAD TO EACH ANCHOR POINT 0 0 <br /> AVERAGE CABLE LOAD DOUBLED CABLE 1 0 1 0 <br /> CALCS FOR AREAS RE WATERTABLE <br /> R= 3.00 TANK RADIUS <br /> h= 9.33 WL FROM BOTTOM OF TANK + ABOVE - BELOW <br /> A1= 28.27 GROSS CROSS SECTION OF TANK <br /> A2= 28.27 AREA OF TANK BELOW WATER LINE <br /> 0.00 AREA OF TANK ABOVE WATER LINE <br /> A3= 0.00 DRY BF SIDES OF TANK <br /> A4= 3.86 WET BF SIDES OF TANK <br /> M 24.® <br /> L <br />