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Appendix B H &S Energy #3035 Diesel Tank Target Build Sheet <br /> 71 SO Overfill Valve In Tank Shut Off Level <br /> Worksheet <br /> Important : This is meant to be a supplemental .,.._._- <br /> worksheet and not a substitute to following the <br /> installation manual instructions . All length <br /> measurements are in inches . Please contact the <br /> Authority Having Jurisdiction ( AHJ ) and review <br /> local , state , and national codes to determine the <br /> regulatory requirements governing shut-off a <br /> capacity in your region , as well as take into <br /> account other considerations such as extreme <br /> tank tilt . O <br /> U er <br /> With valve installed in the tank take the following Tu e <br /> measurements : Ler gth <br /> 1A M2= <br /> Distance from the 71 SO inlet tube flange to the cast <br /> lug in the 71 SO body ( see figures ) , upper tube <br /> length . Note : the Upper Tube Length must be at ( ) <br /> least 16" to include the protective bend in the tube . Valve <br /> ( D) = 83 .25 Len gth , <br /> bottc m of <br /> Distance from the 71 SO inlet tube flange to the top c it <br /> and bottom of lower tube , valve length . ( ) <br /> (W) = 177 .375 To Tank <br /> ( U) = 177 . 375 Bottom <br /> Distance from the 71 SO inlet tube flange to the T nk <br /> C � art <br /> bottom of the tank . Note : If a tank bottom protector ( Len Length , 0 <br /> I <br /> s present it may be necessary to add this thickness top of Vol ime <br /> to dimension (OPW 6111 & 61 TP models add 0 . 6 ) CA Dipstick <br /> ( B ) = 182 . 375 Number <br /> From the tank calibration chart provided by tank <br /> manufacturer find the dipstick number (Y) which <br /> corresponds to the 100% volume . <br /> (Y) = 110 . 75 <br /> 1 . To determine shut- off percentage : <br /> Subtract upper tube length ( D ) from distance to <br /> tank bottom ( B ) <br /> ( X) _ ( B) — ( D) on 2 " = 97 . 125 <br /> Using the tank calibration chart provided by the Note : The overfill valve must be installed per AHJ <br /> tank manufacturer determine the tank capacity at requirements and all applicable local , state , and <br /> the calculated ( X) dimension and the 100% volume national codes . If overfill valve is set above the <br /> (Y) tank capacity . allowable shut - off percentage the overfill valve <br /> must be removed and replaced . For reference 40 <br /> (X) tank capacity in gallons = 11214 CFR part 280 Subpart B Section 280 . 20 overfill <br /> valves should be set to a maximum of 95% . <br /> (Y) tank capacity in gallons = 12065 <br /> SO% _ (X) capacity / (Y) capacity x 100 = 919 <br />