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• • • � - ® App.A <br /> Anchor Chart <br /> Minimum burial depth to achieve 1.2 safety factor against flotation assuming worst case conditions <br /> of water to grade and the tank empty.Assumes multiple tank installation. <br /> Tank Diameter& #of (, #of Sumps or Risers <br /> Nominal Capacity in Space Anchor (Backfill to Grade No Traffic/Backfill with 6"Concrete Traffic Pad) <br /> Gallons Between <br /> (Including all Compartments) Tanks Straps 1 ® 1 2 3 4 <br /> u r <br /> up to 1,000 w/8"Pad 24" 2 24" / 24" 33" / 24" - - - <br /> 1,100-1,5 24" 45" / 38" 81" / 68" - - <br /> 1,600-2,000 w/8"Pad 24" 4 24" / 24" 35" / 26" 35" / 26" - <br /> s <br /> up to 4,000 w/8"Pad j 24" 2 28" ! 24" 43" / 38" 52" / 46" - - <br /> 4,100-6,000 w/8"Pad 24" 4 26" / 24" 31" / 28" 34" / 28" 65" / 57" j - <br /> ..., <br /> 41" / 36" "" / <br /> up to 7,000 w/8"Pad 24" 2 36" / 32" 47" ! 43" 53" / 48" - - <br /> V <br /> 7,100-12,000 w/8"Pad 24" 4 38" / 35" 42" / 39" 42" / 39" 65" / 60" 65" / 60" <br /> NO <br /> 13,000-16,000 w/8"Pad 24" 6 ; 38" / 35" 42" / 39" 42" / 39" 52" / 47" 68" / 61 <br /> 17,000-20,000 w/8"Pad 24" 8 34" / 31" 38 / 35" 41" / 37" 41" / 37" 41" / 37" <br /> ,� <br /> Contact Tank Technical Support for alternate anchoring methods. <br /> Note: DM=Concrete Deadman Anchors <br /> Pad=Concrete anchor pad under tank <br /> No Mech=No mechanical anchoring <br /> NA=Not allowed <br /> 26 <br />