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vim/w/2»o vo: iv avo-oo�-77t77 JPMtS L WHtLLtN PAGE ©5i©5 .Double-Wall Tank An+r.ioring It 1s recommendeci that Tr7l Tanks be anchored when buried in an area with a high water table, flooding or clay soil Consult local regula-ions and conditions which may requrre tank anchoring regardless of soil conditions Anchor Straps :fIZE ASE ENDS A TO Double-Wall Tanks snould be 48•' 3" x 114- 3/a' 7/8- 4" x 4••x 1/2"t. 27" anchored with hold-down straps �. 3'x 114- 3/4^ 7/8' a-x 4••x 1/2••t- 35- supplied by the tank manufac- turer.when required. Special care 90` 3" x 3/8- 1.1/8" 1-1/4" 4- x 4" x 3/4•"c 51 • should be taken when nstalGng 120" 4.x 1/2' /-1/2' 1-6/6- 4-x a-x 3/4•"L 63'- anchor straps to insure they are separated from the Tank Jackete- Chars eorreeporlas with Magram below. Strap cushions. sized to be 2" wider than the steel anchor strap. should be centered evenly under all anchor straps Consult the chart below for strap location-: Concrete Slab t�P The design and size of the stab i 7wNel cart should be specified by it profes- sional familiar with local site con- ditions due to soil variations. Where anchoring by means of a concrete slab is required, a 6' bed - A 4NOtE E o of pea gravel, sand or other ap- 172• 7e•-.and Se"diameter now down proved material. should separate straps are ove"W6 For,foreign morket..1 the tank from the pad. l.K T4'rr sY1a oEs+1w ORLLO( 14N. I.N. 901/x.." ".C.- W.OTY 01aM. LEMO M / 7••14 Ma Wr. - .4e .4e Me ee/M eN E•am NOLO DOW" 4aa @Tki9w \LYE are "&1tE. Ntls WraM.l ansae 6410}. M"arm "a COMM CONn .M Wel'.10e DMTG 0.0 612.4 601 ImEf-• Y.n.NO u!O'O NY I'/I 1210+. - SOo 4-0 51 ..51115 •o G. Se7 3.9110.0 6-0- 11.0- 1'-01• 017, 3"'.1,4' 1/a 2-9' 2 314 a 600 4-0- 5-0 4 586 7 G. 701 3.1170.6 6'•0r &--0_ .'470 1 000 4 10.9 a 3.41. G„ "02. 13130 6'O- 12'-9' "031 9.13. 7 Q. 1.401 1.126.0 6"-O- 12"-9- 1'-02- 0-•6"' 3`.114- 3/4 2000 5.. 12 0 +6647 1.948 14.6365 1-4- 14-0' 1.,0-' O'9" J.. 114' 3/6 6-O 7 Y• 3.000 -,•a' le 10- 29 006 7.706 27.420.E 1". 20'-01 1'-,1- 1•-O- 1-.114- 3V4 9 O- 2 ya a 4.000 5-a 21 O 33 3.-, • i« 3.4611 31.006.2 7•-4" 26-0 ,-1 r 1 01 3". v- 314 ,2 O' 2 314 a 6.000 6"O' 13'-' 41 660 114 4.369 27.1700 10"-0' 15'-4- 3-•00- 2--0" 6.000 94)' ,6'0 SOWS 1:4 SS46 44910.2 10'11' 16'.0 ].01- 2.1 3".We ,-1/8 9-0- 2 i va 6.000 •'-O" 2r.a ee.ees 114 6.972 60 Me 10"-Or 23•.4- 4'1031 2-2- 31.3/6- 6466 ra- 3 ,.f,9 6 loom a-O' 76-9 43 3411 ,.+ 0 798 75.3072 10"-0' 28'•6- 3'•03- 2-1 3 .316- 1-119 6 6- a ,., h L 10000 10.0 1 7-0 63.300 7.702 76.02E"0 12 4- .0-0- 4'-02- 3.1 4•.112' 1./2 6-6- 2 1.112 a ,2 0o0 6 O 32 o ,vo Oa] 1 4 9.62. 90646.6 t0•0- 3.-O' 3'd' 2 r 3-.316- 1.112 6.-o- 4 1.Ve P 12 000 10'.0 20-6 100.032 1,a- 9.069 91.4911.3 12'-0- sr-61 4'-01" 3.21 .'a 117- 1./2 6-10- 3 1.112 6 15.000 a'0 a0 r, 12%0-0 5116 1'.979 '10 75)9 10--0- 42'•0- 3-03- 2 2' 3 a 316 1-116 8-0 5 , 119 1 ,6.000 10-.0_ 76.-0" 129040 6/16• 13.466 112.7040 12'-0- 27'J- 4.-03- 3'-2" 4-.1/2- 1.112 E-61- 3 1.112 6 20000 10-0 34 0 ,66.720 5:+6 17.106 160.7542 12'-0' 36'-0" 4.04, 3'-1' 6--112- 1.17 9'-0'" 4 , 112 a 3s ow 10'1' 42'•6-- 2011.400 3A' 22.900 190.600.0 17'-0- 44 4•-061 Y-a- 4':,12- 1-1/2 0"-6- 6 t 112 10 In calculating this information. the following assumptions were made: 1) Groundwater table is at surface. 2) Tank excavation hF1s not been backfifted. 3) Tank 1s empty 4) Yield stress of all steel is Fy = 36 ksi. 6) Allowable stress 0, steel in tension is It=.6 x FV - 21 6 ksi. 6) Straps are tightened to produce uniform loading upon each strap 7) Straps are vertical 31 the point of anchorage 8) Safety factor of 2 is used for anchorage strap design. 9) Weight of water 8.33 pounds per gallon. 10) Weight of submeroed concrete is 80 pounds per cubic foot. 6 l