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m � <br /> Q REGE <br /> lC7 oEr 1 o zoos <br /> ENVIRONMENTAL HEALTH <br /> Appendix A D FPA RTNA FNT <br /> 71 SO Overfill Valve Upper Tube Calculation Worksheet <br /> Important:This is meant to be supplemental worksheet and not a substitute to following the installation <br /> manual instructions.All length measurements are in Inches. Please contact the Authority Having Jurisdic- <br /> tion(AHJ)and review local,state,and national codes to determine the regulatory requirements governing <br /> shut-off capacity In your region,as well as take into account other considerations such as extreme tank tilt. <br /> Desired tank capacity for shut-off: <br /> Dipstick Number on Tank Chart that corresponds to 10096 volume(Y) <br /> Dipstick Number on Tank Chart that corresponds to 50%(X) <br /> Upper Tube Reference NumberZ=Y-X (Z) <br /> Upper Tobe Depth Inside Tank C=Z-2" L 2 (C) !3 GIs <br /> Distance from tap sealing surface for 71 SO Lip'to inside the _ <br /> top of Storage Tank2 q*= <br /> For Non-Testable 71 SO models only <br /> In all cases for non-tesTabl 71 SO models,the tap of the valve body must protrude at least 6'✓2"into the tank to <br /> provide a minimal clearance for proper operation." Additional)y the total Upper Tube Length must be at least 16" <br /> of length to Include the protective bend in the tube. <br /> Is C less than 6'h" Yes / ttRS <br /> If NO,Upper Tube Length(D1=C+A <br /> if YES,Upper Tube Length(D)=6 16'+A <br /> Upper Tube Length <br /> For Testable 7150 models only <br /> In all cases for Testable 71 SO models,the top of the valve body must protrude at least 6 y:'into the tank to provide <br /> a minimal clearance for proper operation." Additionally the total Upper Tube Length must be at least 14 s�'of <br /> length to include the protective bend in the tube. <br /> Is C less than 5' Yes / No <br /> If NO,Upper Tube Length(D)=C+A-1%' <br /> If YES,Upper Tube Length(D)=6'h'+A-1'h' <br /> Upper Tube Length=_ <br /> Sealing sudoce maybe the top ofthe face SralAdapror,the built in sealing ledge mode some spill containers,or on non vapor <br /> rtgh r opplicci—s rhe rop of thepipe nipple <br /> ' Some Underground Staroge ranks utilize a mamvay system of the top. Moke sure to use the top of the storage rank for manure <br /> mentandnortompofthemonway.Consult your underground tank inonufacturer for height of the monway <br /> 2 This measurement is taken from the scam where the upper tube is attached to(he valve body to the inside of the tank fop <br /> 19 <br />