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TAIT & ASSOCIATES, INC. <br />CONSULTING ENGINEERS <br />2880 Sunrise Boulevard, Suite 206 <br />Rancho Cordova, CA 95742 <br />916-635-2444 <br />916-635-2606 Fax <br />Project: <br />ARCO <br />Address: <br />San Joaquin County <br />Job No: <br />AR -923 & 924 <br />Date: <br />### <br />Bv: <br />SI <br />TANK HOLD DOWN CALCULATIONS - ROUND END TANKS <br />DIMENSIONS: (SEE DIAGRAM) <br />Ell <br />==ft ft <br />LENGTH OF TANK SLAB <br />E12 <br />= 27.65 ft <br />LENGTH OF BODY OF TANK <br />E13 <br />==ft <br />E17 <br />ft <br />LENGTH OF WHOLE TANK <br />E14 <br />=1 <br />37.65 <br />ft <br />LENGTH OF DEADMAN <br />E15 <br />=1 <br />Jft <br />(IIR2)+(IIR2) <br />DIAMETER OF SUMP#1 <br />E16 <br />= 2 ft <br />RADIUS OF SUMP #1 <br />E17 <br />=®ft <br />DIAMETER OF SUMP #2 <br />E18 <br />= 2 ft <br />RADIUS OF SUMP #2 <br />E19 <br />= <br />12 <br />ft <br />WIDTH OF TANK SLAB <br />E20 <br />= <br />10 <br />ft <br />DIAMETER OF TANK <br />E21 <br />= 5 ft <br />RADIUS OF TANK <br />E22= <br />1 <br />ft <br />WIDTH OF DEADMAN <br />E23 <br />= <br />0.67 <br />ft <br />THICKNESS OF TANK SLAB <br />E24 <br />= <br />5 <br />ft <br />DEPTH TO TOP OF TANK <br />E25 <br />= <br />1 <br />ft <br />THICKNESS OF DEADMAN <br />E26 <br />= 4.33 ft <br />BOTTOM SLAB TO TANK TOP <br />E27 <br />= 9.33 ft <br />BOTTOM SLAB TO MID -TANK <br />GEOMETRY <br />TANK VOL. O. D. <br />(IIR2'Lbodr)+(4/3IIR3) <br />SUMP(S) AREA <br />(IIR2)+(IIR2) <br />SUMP(S) VOL. <br />(A'L)+(A'L) <br />REFL. TANK AREA <br />(Lbody'D)+(IIR2) <br />SLAB AREA <br />L'W <br />TANK BACKFILL VOL. <br />H/3(Al+A2+(Al'A2)112)-1/2Vtank-Vsump <br />DEADMAN VOL. <br />L"W'TH <br />DEADMAN BACK. VOL. <br />L'W'H <br />FORCES: <br />TANK V'WT <br />SUMP(S) V'WT <br />SUMMATION OF UPLIFT FORCES <br />TANK WEIGHT <br />SLAB A'TH`WT <br />BACKFILL V'WT <br />DEADMEN 2'(Vdead.*Wl+VbaCk.*wI) <br />SUMMATION OF HOLD DOWN FORCES <br />FACTOR OF SAFETY: Fhoid down / Fuplift <br />Hd-round Page 1 <br />TANK DATA: <br />20000 gal TANK CAPACITY <br />10 ft NOMINAL DIAMETER <br />no y/n WET INTERSTITIAL? <br />WEIGHTS: <br />8210 lbs <br />TANK (w/ interstitial if appl.) <br />150 pcf <br />DRY CONCRETE <br />87.6 pcf <br />SUBMERGED CONC. <br />60 pcf <br />SUBMERGED BACKFILL <br />62.4 pcf <br />WATER <br />CALCULATED VALUES <br />DATA ENTRY REQUIRED <br />2695.225 cf <br />25.13274 sf <br />108.8248 cf <br />355.0398 sf <br />499.8 sf <br />2512.192 cf <br />;""1 1".04.785 <br />37.65 cf <br />- R i -20C <br />527.1 cf <br />r V t_ <br />168182 lbs up <br />6790.666 lbs up <br />174973 lbs UP <br />8210 lbs do <br />50229.9 lbs do <br />150731.5 lbs do <br />69848.28 lbs do <br />279020 lbs DN <br />1.5946 <br />