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jpl AINLAY 14eNK TIGHTNESS TEST No. 4 16 INCLUDE ENOUGH INFO. TO ACCURATELY IDENTIFY TANK. (NUMBER/CONTENTSI POSITION, ETC.) TANK I.D. TANK DIAMETER INS FILL PIPE LENGTH INS 17 WATER IN TANK (a) START WATER IN TANK INS (c) END WATER IN TANK INS (b) START WATER IN TANK GALS (d) END WATER IN TANK GALS 18 PRODUCT (a) NOMINAL CAPACITY GALS (c) DEDUCT WATER IN TANK GALS (b) ACTUAL CAPACITY GALS (d) TOTAL PRODUCT VOL. GALS VOLUME (FROM TANK CHART) 19 (a) HEIGHT OF WATER TABLE ABOVE TANK BOTTOM = (h) INS (b) DENSITY OF TANK PRODUCT = (w) LBICU. IN. (FROM TABLES) FILL DENSITY OF EXTERNAL WATER = 0.036 LBICU. IN. PIPE EXTENSION 0.036 x 0.036 = INS (c) ADDITIONAL HEAD REQUIRED = (h) x0; ) 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 PRELIM (a) START TEMP CHECK AMIPM (d) A.P.I. GRAVITY AT °F (b) END TEMP CHECK AM/PM (e) A.P.I. GRAVITY AT 60°F TEST DATA (c) TIME SINCE LAST LIQ. ADDED HRS (f) COEFF. OF EXPANSION 21 (a) START TEST AM/PM: END TEST AMI PW TEST TIME MINS. TEST DATA TIME TEMP TEMP TEMP WTD. TIME TEMP TEMP TEMP WTD. 1 2 3 AVG. 1 2 3 AVG. (b) TOTAL TEMP. CHANGE (AVG END TEMP. — AVG START TEMP.) _ - _ +I - °F (c) VOL. CHANGE DUE TO TEMP = PRODUCT VOL x TEMP. CHANGE x COEFF. EXP. _ 11ed) x (21b) x (201) _ +l- GALS. (d) TOTAL LIQUID VOL. ADDED/SUBTRACTED AT END OF TEST ......................... _ +I- GALS. (e) VOL. CHANGE NOT DUE TO TEMP [(c) + (d)J............ _ + _ +l- GALS. (f) LEAK RATE _ (e) x w = x w = G.P.H. TIME OF TEST (MINS) (21z) 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 ❑ / THE TANK IS NOT TIGHT ❑