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03/12/99 16:33 FAX 425 251 8782 BARGIAUSEN Q024%029 <br /> TNSTALLAT ION FRROCEOURES FOR UNOERGROUN® STORAGE: TANI{r <br /> GLASTEEL L- BED AND BACKFILL : <br /> ALL EXCAVATED NATIVE SOIL MUST OE REPLACED WITH APPROVED SACKPILL. DO <br /> NOT BACKFILL IN LAYERS USING DIFFERENT MATERIALS . <br /> APPROVED BACKFILL MATERIALS ARE: <br /> 1 . CLEAN WASHED SAND <br /> 2 . GRAVEL <br /> A CLEAN. NATURALLY ROUNDED AGGREGATE WITH A MIX OF PARTICLE SIZES NOT <br /> LESS THAN I /$- NOR MORE THAN 3/4- 15 REOUIRED. THIS MATERIAL IS <br /> COMMONLY CALLED PEA GRAVEL_ <br /> 3. STONE OR GRAVEL CAUSHIN433 <br /> WASHED STONE OR GRAVEL CRUSHINGS WITH ANGULAR PARTICLE SIZE NOT LESS <br /> THAN 1 /8- NOR MORE THAN 1 /2' 19 REOUIRED. <br /> LEAK TEST PROCEDURES- FOR DOUBLE WALL TANK AT JOBSITE WHILE TANK <br /> NK IS EMPTY : <br /> 1 . IF OUTER TANK MAINTAINS AT LEAST 5. 3 IN. HQ. OF VACUUM FOR ONE HOUR <br /> BOTH THE INNER TANK AND OUTER TANK MAY BE CONSIDERED PROPERLY <br /> TESTED. <br /> 2. INTERSTIAL SPACE TO BE VACUUM TESTED ONLY. <br /> TANK HANDLING <br /> UNDERGROUND TANKS) ARE SUPPLIED WITS E1THeR ONE OR TWO INSTALLED LI STING <br /> LUGS. DEPENDENT ON TANK SIZE. REFER TO SPECIFIC TANK DRAWING TO DETERMINE <br /> THE EMPTY LIFTING WEIGHT OF THE TANK. SEE -FINISHING INSTRUCTIONS. - ITEM <br /> NUMBER 7: FOR APPLICATION OF LIFTING LUG COVERS TO -OLAMTEEL- TANKS PRIOR TO <br /> 9ACKFILLING OR. COVERING THE TANK. <br /> DO NOT DROP OR ROLL TANK($) FROM TRUCK INTO EXCAVATED OPENING. <br /> "4= IFTING PROCEDURES : <br /> 04' MAX I P%Ut% <br /> 600 n I N I AUA <br /> �----------------------------------------� <br /> I , <br /> 1 , <br /> I , <br /> i 1 <br /> ! I <br /> THESE INSTALLATION INSTRUCTIONS TAKE PRECEDENCE OVER ACT 1003 INSTRUCTIONS <br /> .IIW ANY AREA OF DIFFERENCE_ <br /> 9/94 PAGE 2 OF 2 <br /> - t6 <br /> J <br />