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8" R <br />2 "97%" 9'2"— <br />r.� i tf" <br />ME <br />MODEL <br />SuggestedWith <br />ShownFdfings <br />1®055`" <br />—5'6" 6'87". <br />, <br />�1711111111 <br />ago <br />in�=11111111 <br />U�n <br />nom <br />d 21 <br />Double -Wall <br />The contractor shall provide U.L <br />Double -Wall FiberghW underground <br />storage tanks in sizes and with fittings as <br />shown on the drawings. The tanks shall be <br />manufactured by Ow ng Fiberglas. <br />Tanks I be tested and installed with pea <br />gravel or approved alternate backfill <br />material according to the current Installation <br />instructions (Owens-Corning Fiberglas <br />Publication 3 -PE -6W4 and 3 -PE -12681) <br />provided with the tank. <br />Monitoring Capabilities <br />The following continuous mwitoring cxWl- <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............................134' <br />t: Governing Standards: <br />1. ASW Specification 1-81. Glass <br />Fiber Reinforced Polyester UndeMround <br />t Petroleum Storage Tanks. <br />2. U.L. 1316. Underwriters <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 />Uquids Code and (NFPA 31) Standards <br />for installation of Oil Burning Equipment. <br />4. Factory Mutual File J.I.OKSAFAS <br />S. National Sanitation Foundation Testing <br />Ukboratory, January 1980., listing of <br />Plastic Piping System Components and <br />Related Materials, Standard 15. <br />6. Military Specification MIL -T -52777A. <br />dated July 6. 1978, Tanks. Storage, <br />Underground, Glass Fiber Reinforced <br />Plastic. <br />7. General Services Admin tion, Public <br />Building Service Guide Specification, <br />PBS: 1568. <br />