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• <br />mGC BfR modern mbiN, company <br />FABRICATORS OF METAL PRODUCTS <br />CAUTION: IN Ya <br />TIGHTNESS <br />TESTING R IREM T : IT IS TIIE <br />RESPON31BIL17Y OF THE OWNER TO PROVIDE THE FOLLOWING TESTS <br />PRIOR TO COVERING THE TANK(S.) <br />N.F.P.A.-3o: 'SECONDARY CONTAINMENT TANKS (TYPE I AND <br />11) SHALL HAVE THE PRIMARY (INNER ) TANK TESTED ACCORDING TO <br />2-8.3 AND THE INTERSTITIAL SPACE (ANNULUS) TESTED USING . OR <br />VACUUM AT 5.3 IN. HO. THE VACUUM SHALL BE HELD FOR ONE <br />VACUUM.HOUR. CARE SHALL BE TAKEN TO ENSURE THAT THE <br />INTERSTITIAL SPACE IS NOT OVERPRESSURED OR SUBJECTED TO <br />EXCESSIVE VACUUM." <br />N•F•P•A._,30: 2-8,.4: `BEFORE THE TANK IS INTIALLY PLACED IN <br />SERVICE. ALL LEAKS SHALL BE CORRECTED IN AN ACCEPTABLE MANNER.' <br />N.F.P.A.-31 'STANDARD FOR INSTALLATION, OF OIL BURNING EOUIPMENT.- <br />-HOLP S179S FpgNSTALLATION OE TANKS IN STAIRLE SOIL CON. <br />GENERAL NOTES t <br />1. THE EXCAVATED OPENING FOR INSTALLATION OM UNDERGROUND TANK S) SHALL BE <br />SUITABLY EXCAVATED (REFER TO OSHA, STATE. OR LOCAL CODES GOVERNING <br />OPENINGS.) LEVELED AND BACKFILLED PER THE FOLLOWING INSTRUCTIONS. <br />2. REFER TO THE "FINISHING INSTRUCTIONS" FOR SPECIAL REOUIRMENTS PRIOR TO <br />BURIAL OF -QLASTEEL TANKS. <br />3. TANKS SHALL BE COMPLETLY EMPTY DURING HANDLING OR INSTALLATION TO PREVENT <br />UNDUE STRESS TO THE TANK(S.) <br />4. IN THE EVENT A TANK MUS'[ BE INSTALLED. FILLED WITH PRODUCTS, PRlvx TO <br />BACKFILLING, THE LIQUID LEVEL WITHIN THE TANK SHALL NOT EXCEED THE \:OMPACTED <br />SACKFILL LEVEL. <br />MPACTS. <br />G5 CO7&11 <br />f <br />PLAN AT ALA-TIPLQ TANK INSTALLATION <br />NOTE'A' THE FOUNDATION FOR UNDERGROUND TANK(g) <br />SHALL BE A MINIMUM OF O' CLEAN <br />COMPACTED SAND, OR B' OF 3/4' PEA <br />GRAVEL, <br />NOTE'BI' TANK($) INSTALLED IN AN AREA THAT IS <br />$OBJECT TO HQAVY VEHICULAR TRAFFIC <br />SHALL HAVE A PROTECTIVE COVER OF IS' <br />CLEAN COMPACTED SOIL WITH EITHER O' <br />OF RRINRORCED CONCRETE, OR B" OP <br />ASPHALT PAVING. IF COMPACTED SOIL IS' <br />.TO BE THE ONLY COVER IT $HALL BE A <br />MINIMUM OF 36' DEEP. <br />NOTE'2.2' TANK(S) INSTALLED IN AN AREA NOT <br />SUBJECT TO HEAVY VEHICULAR TRAFFIC <br />SHALL BE PROTECTED WITH EITHER 24' OF <br />CLEAN COMPACTED BOIL COVEAED BY 4' <br />THICK REINPORCED CONCRETE OR B' THICK <br />ASPHALT PAVING. <br />NOTE'CI' SINGLE TANK INBTALLATIONI MINIMUM OF <br />12' FROM THE OUTSIDE EDGE OF TANK TO <br />THE INSIDE EDGE OF THE EXCAVATHD <br />OPENING. <br />NOTE'C2" MULTIPLE TANK INSTALLATION: SAME EDGE <br />DISTANCES AS SINGLE TANK INSTALLATION, <br />AND A MINIMUM OF 12' FROM OUTBIDS <br />EDGE OF THE TANKS. <br />NbTE'D' THE MINIMUM DISTANCE FROM THE OUTSIDE <br />ENDS OF THE TANK($) TO THE INSIDE EDGE <br />OF THE OPENING SHALL BE A MINIMUM OF <br />12' <br />