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Appendix - Anchor <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& Space #of #of Sumps or Risers <br /> Nominal Capacity in Between Anchor (Backfill to Grade No Traffic/Backfill with 6"Concrete Traffic Pad) <br /> Gallons Tanks Straps 0 1 2 3 4 <br /> (Including all Compartments) <br /> up to 10,000 w/18"x8"DM 36" 3 44 / 39 50" / 44" 57" / 51" - - <br /> up to 10,000 w/8"Pad 24" 3 33" / 29" 39" / 35" 57" / 51" <br /> upto10,000No Mech 18" 0 78" / 75" NA NA - <br /> 10,000-18,000 w/18"x8"DM 36" 4 47" / 43 53 / 49" 55" / 50" 76" / 70" 80" / 75" <br /> 10,000-18,000 w/8"Pad 24" 4 47" / 43" 53" / 49" 55" / 50" 76" / 70" 80" / 75" <br /> 10,000-18,000 No Meth 18" 0 83" / 80" NA NA NA NA <br /> 19,000-23,000 w/18"x8"DM 36" 6 44 / 40" 49 / 45" 51" / 47" 62" / 60" 72" / 67" <br /> 19,000-23,000 w/8"Pad 24" 6 41" / 37" 51" / 47" 51' / 47" 62" / 60" 72" / 67" <br /> • 19,000-23,000 No Mech 18" 0 84" / 81" NA NA NA NA <br /> 24,000-35,000 w/18"x8"DM 36" 8 51" / 47" 57" / 53" 70" / 66" 70" / 66" 70" / 66" <br /> 24,000-35,000w/8"Pad 24" 8 51" / 47" 57" / 53" 69" / 65" 69 / 65" 69" / 65" <br /> 24p00-35,000 No Mech 18" 0 84" / 81" NA NA NA NA <br /> 36,000-40,000 w/18"x8"DM 36 1049" / 46 54" / 51" 59" / 55" 60" / 56" 60" / 56" <br /> 36,000-40,000 w/8"Pad 24" 10 47 / 46" 54" / 51" 59" / 55" 62" / 58" 65" / 60" <br /> 36,000-40,000 No Mech 18" 0 84" / 81" NA NA NA NA <br /> up to 25,000 w/18"x8"DM 36 8 59 / 56" 65" ( 61" 66" / 63" 72" / 68" 76" / 72" <br /> up to 25,000 w/8"Pad 24 8 43" / 40" 54" / 49" 62" / 58" 62" / 58" 62" / 58" <br /> up to 25,000 No Mech 24" 0 80" / 77" NA NA NA NA <br /> 26,000-35,000 w/18"x8"DM 36" 10 62" / 59" 67" / 63" 68" / 64" 71" / 68" 75" / 71" <br /> 26,000-35,000 w/8"Pad 24" 10 49" / 46" 63 / 59" 63" / 59" 63" / 59" 66" / 62" <br /> 26,000-35,000 No Mech 24" 0 83" / 80" NA NA NA NA <br /> 36,000-45,000 w/18"x8"DNI 36" 12 64" / 61" 68" / 64" 68" / 65" 72" / 68" 74" / 71" <br /> 36,000-45,000 w/8"Pad 24" 12 53" / 50" 63" / 59" 63" / 59" 67" / 63" 67 / 63" <br /> 36,000-45,000 No Mech 24" 0 84" / 81" NA NA NA NA <br /> 46,000-50,000 w/18"x8"DM 36" 14 64" / 61" 68" / 65" 69" / 65" 72" / 68" 73" / 70" <br /> 46,000-50,000 w/8"Pad 24" 14 49" / 46" 63" / 59" 63" / 59" 63" / 59" 63" / 59" <br /> 46,000-50,000 No Mech 24" 0 84" / 81" NA NA NA NA <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=Notal lowed <br /> 28 <br />