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2-05-1996 4:24PM FROM RHL PETALUMA 7656835 r. c <br /> md:ern welding compa)y oPr-thfornio, inc. <br /> (riOCf9r(T 4141 N. BRAWLEV AVE. • FRESNO,CALIFORNIA 98722 <br /> FABRICATORS OF METAL.PRODUCTS <br /> (209)275-9959 ' FAX (209) 275-4981 <br /> INSTALLATJON PROCEDURES FOR UNDERGROUND STORAGE TANKS <br /> CAUTION,• N F P A -30- TIGHTNESS TESTING REQUIREMENTS; IT 1S THE RESPONSIBILITY <br /> OF THE OWER TO PROVIDE THE FOLLOWING TESTS'PRIOR TO COVERING THE TANK(S). <br /> N.F.P.A.-30; 2-7.3: "Underground tanks and piping, before being covered, enclosed, or <br /> placed in use, shall be tested far tightness hydrostatically or <br /> with air pressure at not less than 3-PSI, and more than 5-PSUI <br /> N,F.P.A.-30; 2-7.4: "Before the tank is initially placed in service, all leak.; shall be <br /> corrected In as acceptable manner. <br /> N.F,P.A. 37 "Standard for Installation of Oil Burning Equipment." <br /> NOTE: YOUR STATE OR LOCAL CODES MAY REQUIRE PROTECTED PIPING SYSTEMS? <br /> TANK HANDLING: <br /> UNDERGROUND TANK(S) ARE SUPPLIED WM EITHER ONE OR TFID INSTALLED LIFTING LUGS, DEPENDENT ON TANK SIZE, <br /> REFER TO SPECIFIC TANK DRAWING TO DETFRAINE THE EMPTY LIFTING WEIGHT OF THE TANK. <br /> SEE 'FINISHING INSTRUCTIONS', ITEM NUMBER 7: FOR APPLICATION OF LIFTING LUG COVERS TO "GLASTEEL" TANKS PRIOR <br /> TO BACKFILLING OR COVERING THE TANK, <br /> DO NOT DROP OR ROLL TAMES) FROM TRUCK INTO EXCAVATED OPENING. <br /> HOLE SIZES FOR INSTALLATION OF TANKS IN STABLE 501L CONDITIONS: <br /> GENERAL NOTES; <br /> 1, THE EXCAVATED OPENING FOR INSTALLATION OF UNDERGROUND TAW(S) SHALL BE SUITABLY EXCAVATED (REFER TO OSHA, <br /> STATE, OR LOCAL CODES GOVERNING OPENINGS), LEVELED AND BACKFILLED PER 114E FOLLOWING INSTRt.1C'TIONS- <br /> 2. REFER TO THE `FINISHING INSTRUCTIONS" FOR SPECIAL REQUIRE3.t1:NTS PRIOR TO BURIAL OF "GLASTE1,L" TANKS, <br /> 3. TANS SHALL BE OCKPLETLY EMPTY DURING HANDLING OR INSTALLATION TO PREVENT UNDUE STRESS TO THE TANK15), <br /> 4. 1N THE EVENT A TAW MUST BE INSTALLED, FILLED WITH PRODUCTS, PRIOR TO BACKFILLING. THE LIQUID LEVEL W)IH1N <br /> THE TANK SHALL NOT EXCEED THE COMPACTED BACKFILt LEVEL, <br /> 0014CRE7E. 69PHALT. <br /> OR COMPACTED SOIL NOTE'A", THE FOUNDATION FOR UNDERGROUND TAMK(S) SHALL DE A <br /> ",' MINI" OF 6' CLEAN COMPACTED SANG, 6" OF 3J4" PEA <br /> N07E'CI" GRAVEL. OR CLEAN COMPACTED SOIL. <br /> �I <br /> ' NDTE`81". TAN(($) INSTALLED )N AN AREA THAT 1$ SUBJECT TO <br /> m m J HEAVY VEHICULAR TRAFFIC SHALL HA11 A PROTECTIVE <br /> COVER OF IS" CLEAN COMPACTED SOIL. WITH EITHER <br /> 6" OF REINFORCED CONCRETE, OR 8. OF ASPHALT <br /> PAVING. TF COJIPACTED $OIL IS TO EE THE ONLY COVER <br /> n 1T SHALL Be A MINIMUM OF 36" DEEF„ <br /> NOTE"82', TANKIS) INSTALLED IN AN AREA NOT 5USJECT TO HEAVY <br /> CROSS£CTION OF E2<CAVATION VEHICULAR-TRAFFIC SHALL BE PROTEC"ED WITH EITHER <br /> \ Y 24" OF CLEAN C78PACTED SOIL, OR 1(P OF CLEAN <br /> COMPACTED SOIL COVERED BY 4' THIC•' REINFORCED <br /> �1 CONCRETE OR 6" THICK ASPHALT PAVING, <br /> 9,1 0 <br /> r NOTE'CL". SINGLE TANK INSTALLATION: MINIMUM OF 12" FROM THE <br /> I ) OUTSIDE EDGE OF TAMC TO THE INSIDI- ECCE OF THE <br /> EXCAVATED OPENING. <br /> NOTE"C2". MULTIPLE TANK INSTALLATION; SAME _DGE DISTANCES <br /> I.1 I AS SINGLE*TAW INSTALLATION, AND A MINIMUM OF 12' <br /> {{ FROM OUTSIDE EDGE TO OUTSIDE EWE OF THE TANKS. <br /> NOTE"C2 NOTE^D'. THE MINI" DISTANCE FRO4 THE OUTSIDE ENDS OF THE <br /> PLAN AT iFJLTIPI_E TANK INSTALLATION TAIMCS) TO THE INSIDE ECCE OF THE I�PENIMC SHALL BE <br /> A MINIMU4 OF 12', <br />