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n welding com on of4kiforno, inc. <br /> AFFIEMMIRL <br /> p <br /> �nodern4141 N. BRAWLEY AVE. • FRESNO. CALIFORNIA 93722 <br /> FABRICATORS OF METAL PRODUCTS <br /> (209) 275-9353 • FAX (209) 275.4381 <br /> INSTALLATION PROCEDURES FOR UNDERGROUND STORAGE TANKS <br /> CAUTION; N. F.P. A. -30: TIGHTNESS TESTING REQUIREMENTS : IT IS THE RESPONSIBILITY <br /> OF THE OWNER TO PROVIDE THE FOLLOWING TESTS'PRIOR TO COVERING THE TAN'X(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 for tightness hydrostatically, or <br /> 11,ith air pressure at not less than 3-PSI, and more than 5-PSI." <br /> N.F.P.A.-30; 2-7.4 : "Before the tank is initially placed in service, all leaks shall be <br /> corrected in an acceptable manner." <br /> N.F.P.A.-31 "Standard for Installation of Oil Burning Equipment." <br /> NOTE: YOUR STATE OR LOCAL CURES MAY REQUIRE PROTECTED PIPING SYSTEMS? <br /> TANK HANDLING: <br /> UNDERGROUND TANK(S) ARE SUPPLIED WITH EITHER ONE OR Two INSTALLED LIFTING LUGS, DEPENDENT ON TA's' SIZE. <br /> REFER TO SPECIFIC TANK DRAWING TO DETER41NE THE EMPTY LIFTING WEIGHT OF THE TANK. <br /> SEE "FINISHING INSTRUCTIONS", ITE4 NlP(BER 7; FOR APPLICATION OF LIFTING LUG COVERS TO "GLASTEEL" T:x.�S PRIOR <br /> TO BACKFILLING OR COVERING 7HE TAUC. <br /> DO NOT DROP OR FULL TANKS) FROM TRUCK INTO EXCAVATED OPENING. <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 INSTRUCTIC,s. <br /> 2. REFER TO THE "FINISHING INSTRUCTIONS" FOR SPECIAL REQU1REMcNTS PRIOR TO BURIAL OF "GLASTEEL" TA,xS. <br /> 3. TANKS SHALL BE COMPLETLY EMPTY DURING HANDLING OR INSTALLATION TO PREVENT UNDUE STRESS TO THE TANK(S). <br /> 4. 1N THE EVENT A TAMC 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 /> /OR COMPACTED SOIL NOTE"A". THE FOUNDATION FOR UNDERGROUND TANK(S) S-�ALL BE A <br /> MINIMU4 OF 6" CLEAN COMPACTED SAND, 6" CF 3/4" PEA <br /> NOTE"C1" GRAVEL. OR CLEAN COMPACTED SOIL. <br /> 0 o J NOTE"Bi". TANK(S) INSTALLED IN AN AREA THAT IS SUBJECT TO <br /> HEAVY VEHICULAR TRAFFIC SHALL HAVE A PROTECTIVE <br /> COVER OF 18" CLEAN COMPACTED SOIL WIT-( EITHER <br /> � Q o <br /> �+ 6" OF REINFORCED CONCRETE, OR 8" OF ASPHALT <br /> PAVING. IF COMPACTED SOIL 1S TO BE THE ONLY COVER <br /> 1T SHALL BE A MINIMUM OF 36" DEEP. <br /> C <br /> NOTE"B2". 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 C04PACTED SOIL, OR 18" OF CLEA14 <br /> COMPACTED SOIL COVERED BY 4" THICK REINFORCED <br /> -�) CONCRETE OR 6" THICK ASPHALT PAVING. <br /> NOTE"CI". SINGLE TANK INSTALLATION: MINIMU4 OF 12" FROM 11iE <br /> o � <br /> OUTSIDE EDGE OF TANK TO THE INSIDE EDGE OF T)4E <br /> F- <br /> EXCAVATED OPENING. <br /> NOTE"C2". MULTIPLE TANK INSTALLATION: SAME EDGE DISTANCES <br /> 1,1 1 AS SINGLE' TANK INSTALLATION, AND A MINIMU4 OF 12' <br /> 11 FROM OUTSIDE EDGE TO OUTSIDE EDGE OF THE TANKS. <br /> NOTE"C2" N04"D'" NOTE"O". THE MINIMU4 DISTANCE FRO4 THE OUTSIDE ENDS OF THE <br /> PLAN MULTIPLE TANK INSTALLATION TANK(S) TO THE INSIDE EDGE OF THE OPENING SHALL OE <br /> A MINIMU4 OF 12". <br />