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RECEIVED FEB Q 7 2019. ENVIRONMENTAL HEALTH HOW TO LOCATE THE POSITION OF THE BERARTMENIT 71SO AT 95%TANK CAPACITY Measuring Stick The length of the upper tube and the placement of - - -- - the 71 SO valve body determine the shut-off point. } Fallowing the standard instructions for the OPW 71 SO will provide for initial shutoff at 95%. In all (, cases,the upper tube length must be a minimum of d, 6-112"plus the length of the riser pipe. All length - measurements are in inches. Riser Pipe with Face (A) INSTRUCTIONS Seal Adaptor To Tank 1.) Find tank capacity(in gallons)from tank Top(L17.) To Tank �i�� Bottom calibration chart provided by tank manufacturer. btriz q 2.)Calculate 95%of capacity. -------• . 'Ll 6-112" 3.)Locate the 95%volume number on the tank calibration chart. t tv t !y 4.)Find the dipstick number(X)which corresponds Figure 1 '- to the 95% tank volume. And, find the dipstick Sit number(Y)which corresponds to the EXAMPLE 100%volume. 1.) For an Owens-Corning Model G-3 Fiberglass® Tank Calibration Chart: 5.)Subtract the dipstick number(X)from the tank Tank Capacity- 10,000 gal.. nominal 9,403 gal. 1Z'3S diameter(Y)to find the upper tube reference NOTE: Use actual capacity only number(Z). = lfl 35 (Y)- (X)= (Z) 2.)95%of actual tank capacity=0.95 x 6.)Subtract 2"from(Z)to find the upper tube depth 9403 gal. =8933 gal. P. 3.)The closest number which is less than 8933 gal. (Z)-2"=C Is 8910 gal. Choosing the closest number less than 95%of actual capacity ensures that the 7C less than 6-112"? initial shutoff will occur when the tank is no more than 95%full. NO 1 Upper tube length is C plus the distance/ from the top of the Face Seal Adaptor 4.)The calibration chart reading of 8910 gal. installed on the riser pipe to the inside, top corresponds to a dipstick measurement of 82". lip of the storage(A). 5.) Dipstick number(X)= 82" Upper Tube Length = C+ (A) Tank diameter(Y)=92" �� (Y)-(X)= (Z) (92 "-82"= 10") YES Upper tube length is 6-112"plus the riser (Z)= 10" pipe measurement(A). 7.) (Z)-2" =C (10"-2"= 8") Upper Tube Length =6-112" +(A) C=8" NOTE: You must find the actual tank capacity 7.) Is 8"less than 6-112"? number that correlates to the 6-112"+(A) depth for the station records. This number may also NO Measure the distance from the top of the be used for the purposes of calibrating an FSA-400 Face Seal Adaptor installed on the electronic tank level system. riser pipe to the inside,top lip of the storage tank and obtain measurement(A). D Registered T.M -Owens Corning Fiberglass Corporation Upper tube length =C+ (A) 64