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NSTALLAT ION PROCEDURES FOR UNOERGROUNO STORAGE TANK! <br /> OL^STEEL �'^ 8 0 AND BACKF 1 LL . <br /> ALL GXCAVATRO NATIVE SOIL MUST BE REPLACED WITH APPROVED OACKPILL , DO <br /> NOT BACKFILL IN LAYERS USING DIPPQRRNT MATERIALS . <br /> APPROVED BACKPILI. MATERIALS ARE: <br /> 1 • CLOAN WABHEO SAND <br /> 3. GRAVEL <br /> A CLEAN. NATURALLY ROUNDED AGOREOATE WITH A MIX OF PARTICLE SI=Es NOl <br /> LESS THAN 1 /4' NOR MORE THAN 3/4' IS REOUIREO. THIS MATERIAL Is <br /> COMMONLY CALLED PEA GRAVEL. <br /> 3. STONE OR GRAVEL CRUSHING$ <br /> WASHED STONE OR GRAVEL CRUSHING! WITH ANGULAR PARTICLE SIZE NOT LEas <br /> THAN 1 /4- NOR MORS THAN 1 /2' IB REQUIRED. <br /> TEST PROCEDURE FOR JACKETED TANKS AT J09 ITE WHILE TANK IS <br /> EMPTY <br /> 1 . IF OUTER TANK MAINTAINS AT LEAST 5.3 IN. NO. OF VACUUM FOR ONE HOUR <br /> BOTH THE INNER TANK AND OUTER TANK MAY $G CONSIDERED PROPERLY <br /> TGBTSO. <br /> Z . INTEIISITIAL SPACE TO BE VACUUM TESTED ONLY. <br /> MOTS: MODERN WIRL'011443 COMPANY DOES NOT RECOMMEND HOLIDAY TESTING FOR.. <br /> QLABTEEL II TANK$. <br /> TANK HANDLING = <br /> UNDERGROUND TANK(11) ARE SUPPLIED WITH EITHER ONE- OR TWO INSTALLED LIFTINO <br /> LUGS. DEPENDENT ON TANK SIZE. REFER TO sPECIPIC TANK DRAWING TO OSTERMINE <br /> THE EMPTY LIFTING WEIGHT OF THE TANK. SEE ."FINISHING INSTRUCTIONS .' ITEM <br /> NUMBER 71 FOR APPLICATION OF LIFTING LUG COVERS TO 'GLA$TEELTANK$ <br /> , ' . PRION TC <br /> SACKPILLIKG OR COVERING THE TANK. <br /> DO NOT DROP49R ROLL TANKS) FROM TRUCK INTO EXCAVATED OP'ENINO. <br /> L 1 FT I NQ PROC§DU"3 <br /> 0* AAX I P%UA <br /> SECONDARY TANK 9tao P1 I N I P%UPl <br /> r------------------'------------------------ <br /> L 1 <br /> PRIMARY TANK l <br /> 1 1 <br /> I 1 <br /> I 1 <br /> I <br /> THESE INSTALLATION INSTRUCTIONS TAKS PRECEDENCE OVER ACT 100 INSTRUCTIONS <br /> IN ANY AREA OF DIFFERENCE. <br /> PAdG 2 OP 2 <br />