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modern `'"""'`'`'' `' <br /> FABRICATORS OF Mt IAL PRODUCTS JACKETED <br /> INSTALLATION PROCEDURES FOR UNDERGROUND STORAGE TANKS <br /> CAUTION: N.F.P.A:-30: TIGHTNESS TESTING REQUIREMENTS: IT IS THE <br /> RESPONSIBILITY OF THE OWNER TO PROVIDE THE FOLLOWING TESTS PRIOR TO <br /> COVERING THE TANK(S) . <br /> N F P A.-30; 2-8. 3: "Underground tanks and piping, before being covered, <br /> or placed in use, shall be tested for tightness sydrostaticallX, or <br /> with air oressure at not less than 3-PSI . and more than 5-PSI . ' <br /> N .F .P .A . -30: 2-8 . 3: 1 JACKETED SECONDARY contained tanks shall have <br /> the interstitial tested using vacuum at 5 . 3 in Hg min . The vacuum <br /> shall be held for one hour . Care shall be taken to ensure that the <br /> Interstitial space is not pressurized . <br /> N.F.P .A.-30; 2-8.4: "Before the tank is initially placed in service, <br /> all leaks shall be corrected in an acceptable manner. <br /> N.F .P.A.-31 "Standard for Installation of Oil Burning Equipment . " <br /> HOLE SIZES FOR INSTALLATION OF TANKS IN STABLE SOIL CONDITIONS: <br /> 'GENERAL NOTES: <br /> 1. THE EXCAVATED OPENING FOR INSTALLATION OF UNDERGROUND TANK(S) SHALL BE SUITABLY EXCAVATED (REFER TO OSHA, <br /> STATE, OR LOCAL CODES GOVERNING OPENINGS), LEVELED AND BACKFILLED PER THE FOLLOWING INSTRUCTIONS. <br /> 2. REFER TO THE "FINISHING INSTRUCTIONS' FOR SPECIAL REQUIREMENTS PRIOR TO BURIAL OF "GLASTEEL" TANKS. <br /> 3. TANKS SHALL BE COMPLETLY EMPTY DURING HANDLING OR INSTALLATION TO PREVENT UNDUE STRESS TO THE TANK(S). <br /> 4. IN THE EVENT A TANK MUST BE INSTALLED, FILLED WITH PRODUCTS, PRIOR TO BACKFILLING, THE LIQUID LEVEL WITHIN <br /> THE TANK SHALL NOT EXCEED THE COMPACTED BACKFILL LEVEL. <br /> CONCRETE, ASPHALT, <br /> 4R COMPACTED SOIL NOTE"A". THE FOUNDATION FOR UNDERGROUND TANK(S) SHALL BE A <br /> MINIMUM OF 6" CLEAN COMPACTED SAND, 6" OF 3/4" PEA <br /> GRAVEL, OR CLEAN COMPACTED SOIL. <br /> NOTE"Bl". TANKC S) INSTALLED IN AN AREA THAT IS SUBJECT TO <br /> F m HEAVY VEHICULAR TRAFFIC SHALL HAVE A PROTECTIVE <br /> g �I COVER OF 18" CLEAN COMPACTED SOIL WITH EITHER <br /> ' 6" OF REINFORCED CONCRETE, OR 8" OF ASPHALT <br /> PAVING. IF COMPACTED SOIL IS TO BE THE ONLY COVER <br /> 0 IT SHALL BE A MINIMUM OF 36" DEEP. <br /> ►, <br /> NOTE"82". TANK(S) INSTALLED IN AN AREA NOT SUBJECT TO HEAVY <br /> CROSSECTION OF EXCAVATION VEHICULAR TRAFFIC SHALL BE PROTECTED WITH EITHER <br /> 24" OF CLEAN COMPACTED SOIL, OR 18" OF CLEAN <br /> COMPACTED SOIL COVERED BY 4" THICK REINFORCED <br /> JI CONCRETE OR 6" THICK ASPHALT PAVING. <br /> ~ NOTE"C1". SINGLE TANK INSTALLATION: MINIMUM OF 12" FROM THE <br /> OUTSIDE EDGE OF TANK TO THE INSIDE EDGE OF THE <br /> EXCAVATED OPENING. <br /> .. NOTE„C2". MULTIPLE TANK INSTALLATION: SAME EDGE DISTANCES <br /> AS SINGLE' TANK INSTALLATION, AND A MINIMUM OF 12” <br /> FROM OUTSIDE EDGE TO OUTSIDE EDGE OF THE TANKS, <br /> NOTE"C2" NOT " " NOTE"D'. THE MINIMUM,DISTANCE FROM THE OUTSIDE ENDS OF THE <br /> TANKS) TO THE INSIDE EDGE OF THE OPENING SHALL BE <br /> PLAN ATt1ULTIPI.E TANK INSTALLATION A MINIMUM OF 12'. <br /> Pope 1 of 2 <br />