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0 <br /> 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 Southland Corp. , 2360 W. Grant Line Rd. , Tracy, CA <br /> JOB# 3439.10 <br /> DATE: 12/01/97 <br /> HOLDDOWN CALCULATIONS FOR FLAT END UNDERGROUND TANK 1.75 <br /> TOTAL CONTAINMENT 15,000 GAL. DW TANK 1.25 <br /> Soils Re ort GW at 7.5 ft below grade. <br /> TANK TANK MAT DEPTH MISC. <br /> OD= 8.08 WIDTH= 12.08 W.L.= 2.10 DRYBF= 100 <br /> OL= 40.00 LENGTH= 44.00 TANK= 4.00 SUBBF= 60 <br /> WGT= 14785 DEPTH= 0.67 HD= 11.00 LGTHHD= 42 <br /> #MW= 2 SIZEHD= 1 <br /> ODMW 3.50 MWarea= 19.24 <br /> HDS= 5 <br /> VOLUME PCF TOTAL LBS <br /> BUOYANCY INCLUDING MANWAYS 2088 62.4 130266 <br /> TANK DEAD WEIGHT 14785 <br /> CONCRETE TANK SLAB - above WL 356 150 53418 <br /> CONCRETE TANK SLAB - below WL 0 88 0 <br /> BF DRY 462 100 46218 <br /> BF SUB ABOVE TNK 614 60 36845 <br /> BF DRY BELOW TNK TOP- SIDES 0 100 0 <br /> BF SUB BELOW TOP OF TANK - SIDES 280 60 16813 <br /> BF HD DRY 120 100 12012 <br /> BF HD SUB 748 60 44856 <br /> HD SUB WEIGHT 84 87.6 7358 <br /> BF REDUCTION FOR MANWAYS -4945 <br /> TOTAL DOWN LOAD 227359 <br /> NET DOWN LOAD 97093 <br /> F.S. WITH DEADMEN 1.75 <br /> F.S. WITHOUT DEADMEN 1.25 <br /> REQUIRED FACTOR OF SAFETY MINIMUM 1.25 <br /> FACTOR OF SAFETY 1.25 1.75 <br /> MAXIMUM LOAD TO DEADMEN FOR F.S. 0 64226 <br /> AVERAGE LOAD TO EACH ANCHOR POINT 0 6423 <br /> AVERAGE CABLE LOAD DOUBLED CABLE 0 3211 <br /> CALCS FOR AREAS RE WATERTABLE <br /> R= 4.04 TANK RADIUS � �� <br /> h= 9.98 WL FROM BOTTOM OF TANK + ABOVE - BELOW <br /> A1= 51.28 GROSS CROSS SECTION OF TANK <br /> A2= 51.28 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= 7.01 WET BF SIDES OF TANK L <br /> NOTE: <br /> Calculated to give WL at 1.25 F.S. with no HD's. <br /> Reported W.L. 7.5 feet below grade. <br /> HOLDDOWNS NOT RE UIRED . <br />