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MODEL <br />001 <br />StandardWith <br />Fittings <br />n�nl <br />nn - <br />in n <br />ln�n <br />n�n <br />4 n ERM <br />aur��i■ <br />3. oro onuee• fWM"0 otdw oavor <br />uW 120ore• onaxiNilw. <br />3$%*686WhNdeNt1W*0W r <br />1444" owww <br />Double -Wall Tank <br />Short Form Specification: <br />The contractor shall provide U.L. <br />Double -Wali Fiberglas* underground <br />storage tanks in sizes and with fittings as <br />shown on the drawings. The tanks shall be <br />manufactured by Owens -Coming Fiberglas. <br />Tanks shall be tested and installed with pea <br />gravel or approved alternate backfill <br />material according to the current installation <br />instructions (Owens -Coming Fiberglas <br />Publication 3 -PE -6304 and 3 -PE -12681) <br />provided wit i the tank. <br />Monitoring Capabilities <br />The following continuous monitoring condi- <br />tions are compatible with the cavity between <br />the inner and outer tank: <br />• Vented to atmosphere <br />• Sealed tank cavity <br />Clearance between inner and outer <br />wall............................ 1*A <br />Governing Standards: <br />1. ASTM Specification D4021.81. Glass <br />Fiber Reinforced Polyester Underground <br />Petroleum Storage Tanks. <br />2. U.L. 1316. Underwriters Laboratories, <br />Inc.. Glass Fiber Reinforced Plastic <br />Underground Storage Tanks for <br />Petroleum Products. <br />3. National Fire Protection <br />(NFPA 30) Flammable and Combustible <br />Liquids Code and(NFPA31) Standards <br />for installation of Oil Burning Equipment. <br />4. Factory Mutual Fie J.I.OK6AFA5 <br />5. National Sanitation Foundation Testing <br />Laboratory, January 1984, listing of <br />Plastic Piping System Components and <br />Related Materials, Standard 15. <br />6. Military Specification MIL -T -52777A, <br />s dated July 6.1978, Tanks, Storage. <br />Underground, Glass Fiber Reinforced <br />Plastic. <br />7. General Services Administration, Public <br />Building Service Guide Spwificatim, <br />PBS: 1568. <br />