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OPTIONAL INSTALLATION OF OPW SPILL CONTAINMENT <br /> OPV DROP TUBE PREPARATION <br /> OPW inlet tube for use with OPW spill containers <br /> Defender Spill Containment(Ref.) <br /> seat surface of upper drop tube <br /> 0 <br /> X x.. <br /> Upper Drop Tube Top of Tank <br /> Final Shutoff Volume" <br /> Overfill Prevention Valve <br /> .Ar <br /> (u.s.7.) <br /> Lower ..8.. <br /> Drop Tube <br /> "Y" <br /> B"(152 mm)Max' <br /> Bottom of Tank wtm stele <br /> if local codes require this distance to tie smaller, <br /> subtract less than&"0 52mm) <br /> Calculate final shutoff volume <br /> Te find Upper Drop Tube length"X"; To find Lower Drop Tube length"Y" <br /> Actual Tank Capacity axwbe Seal nel yhvrofr <br /> Gallons ..A.. surfaceon ro ���.� FVOIW "Irt <br /> honwn of ram <br /> X (multiply) - (Subtract) - {subtract] <br /> OPV Lenglh <br /> S5 Typically9S%'• "W r.,atshulbf 15%: {400 mm) Offset <br /> vnlumeneight _ (subtract)Finale shutoff volume (subtract) Turk bott" <br /> P-icbn-d W(162mm] <br /> (galkons) 2Ys"{63.5 rr m nMq <br /> =(equa€s) adlustmenf -(equds) <br /> Final Shutoff Volume Height <br /> 13 <br /> —.Odom ISM <br />