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AINL'*I1-ANK TIGHTNESS T T Ne! ---" C 15 1989 16 INCLUDE ENOUGH INFO. TO ACCURATELY IDENTIFY TANK. (NUMBERICONTENmggo1mc1Q.); TANK I.D. 1{� PERyff/SERVi TANK DIAMETER INS FILL PIPE LENGTH 17 INS (c) END WATER IN TANK �" INS WATER IN (a) START WATER IN TANK TANK (b) START WATER IN TANK f/l GALS (d) END WATER IN TANK C1 GALS 18 PRODUCT (a) NOMINAL CAPACITY 1,000 GALS (c) DEDUCT WATER IN TANK GALS (b) ACTUAL CAPACITY 1 0 B 1 _ GALS (d) TOTA �T ODUCTjIVOL. vds GALS VOLUME (FROM TANK CHART) top ;C �j0'e 19 (a) HEIGHT OF WATER TABLE ABOVE TANK BOTTOM = ti (h) INS (b) DENSITY OF TANK PRODUCT = (w) LB/CU. IN. (FROM TABLES) FILL DENSITY OF EXTERNAL WATER = 0.036 LB/CU. IN. PIPE (c) ADDITIONAL HEAD REQUIRED = (h) x 0.036 = x 0.036 =/ INS EXTENSION (w) NOTE: TO AVOID POSSIBLE TANK DAMAGE THE ADDED PRESSURE FROM A FILL PIPE EXTENSION MUST NEVER EXCEED 5 P.S.I. AT THE WATER LEVEL. 20 (a) START TEMP CHECK 11'.00 eq/PM (d) A.P.I. GRAVITY '3S• AT (al °F PRELIM (b) END TEMP CHECK 002 0 AM1 (e) A.P.I. GRAVITY 35'.3 AT 60°F TEST DATA (c) TIME SINGE LAST LIO. ADDED I!k- HRS (f) COEFF. OF EXPANSION . Deo y6331 } n z 21 f ¢ o TEST N 1/l DATA W W (a) START TEST /(:30 OIPM: END TEST A+30 AM/Q: TEST TIME 60 MINS. (b) TOTAL TEMP. CHANGE (AVG END TEMP. - AVG START TEMP.) = +l q °F. (c) VOL. CHANGE DUE TO TEMP = PRODUCT VOL x TEMP. CHANGE x COEFF. EXP. y = 0!r118d1 x -.03412101 x,000 gL33S (m) - +IO.OIg GALS. ¢ (d) TOTAL LIQUID VOL. ADDEDISUBTRACTED AT END OF TEST ......................... = a- -010 GALS. 00 ¢ (e) VOL. CHANGE NOT DUE TO TEMP 1(c) + (d))............ + ,J 1010 = +10- . 001 GALS. (f) LEAK RATE = (e) x 60 = -,004t x so = -2004 G.P.H. TIME OF TEST (MINS) 40 (21a) THIS LEAK RATE DOES/DOES NOT EXCEED THE STANDARD OF 0.050 G.P.H. DESCRIBED IN NATIONAL FIRE PROTECTION ASSOC., BULLETIN N.F.P.A. 329. THE TANK IS TIGHT g / THE TANK IS NOT TIGHT 0 I I I I I I I I I I I I I I I I I I I1 I I I I I I I I I I I I I I I I I I I I' I I I I I I I I I I I I I I I I I I I I I1 I I I I I I I I I I I I I I I I I I I I1 I I I I I I I I I I I I I I I I I I I' I I I I I I I I I I I I I I I I I I I I1 I I I I I I I I I I I I I I I I I I I I1 I I I I I I I I I I I I I I I I I I I I1 I I I I I I I I I I I I I I I I I I I I' I I I I I I I I I I I I I I I I I I I I1 (b) TOTAL TEMP. CHANGE (AVG END TEMP. - AVG START TEMP.) = +l q °F. (c) VOL. CHANGE DUE TO TEMP = PRODUCT VOL x TEMP. CHANGE x COEFF. EXP. y = 0!r118d1 x -.03412101 x,000 gL33S (m) - +IO.OIg GALS. ¢ (d) TOTAL LIQUID VOL. ADDEDISUBTRACTED AT END OF TEST ......................... = a- -010 GALS. 00 ¢ (e) VOL. CHANGE NOT DUE TO TEMP 1(c) + (d))............ + ,J 1010 = +10- . 001 GALS. (f) LEAK RATE = (e) x 60 = -,004t x so = -2004 G.P.H. TIME OF TEST (MINS) 40 (21a) THIS LEAK RATE DOES/DOES NOT EXCEED THE STANDARD OF 0.050 G.P.H. DESCRIBED IN NATIONAL FIRE PROTECTION ASSOC., BULLETIN N.F.P.A. 329. THE TANK IS TIGHT g / THE TANK IS NOT TIGHT 0