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Guide Specifications - Xerxes* Fiberglass Underground Storage Tanks Short form: 2.02 Accessories The contractor shall provide a single-wall,double-wall or triple-wall A. Optional Anchor Straps fiberglass reinforced plastic(FRP)Underwriters Laboratories-labeled un- 1.Straps shall be FRP anchor straps as supplied by tank manufac- derground storage tank as shown on the drawings.The tank size,fit- turer. tings and accessories shall be as show®on the drawings.The fiberglass 2.Number and location of straps shall be specified in current liter- tank shall be manufactured by Xerxes Corporation. _ ature by tank manufacturer. The tank shall be tested and installed according to the Xerxes Installa- B. Manways tion Manual and Operating Guidelines for Fiberglass Underground 1.All manways shall be flanged and 22' I.D.,complete with UL- Storage Tanks in effect at time of installation. listed gaskets,bolts and covers.(30' and 36'I.D. manways are also available on certain larger tanks. - 2.Location is shown on tank drawings. Long form: 3.Optional manway extensions shall be FRP and_inches Part I: General long. 7.01 Quality Assurance 4. All 12'-diameter tanks require at least one manway. A. Acceptable Manufacturer:Xerxes Corporation C. Optional Fill Tubes B. Governing Standards,as applicable: 1.Fill tubes shall be FRP,4' in diameter,with a 6' x 4' double- 1.Underwriters Laboratories(UL)Standard for Safe 1316 for tapped reducer bushing,and include a 6° NPT fitting.Tubes Safety shall terminate a minimum of 4'from the bottom of tank(a storage of flammable liquids.A UL label shall be attached to minimum of 6' for a 12'-diameter tank). each tank. 0. Striker Plates 2.National Fire Protection Association(NFPA)Standards: 1.Striker plates shall be installed under each service fitting and NFPA 30:Flammable and Combustible Liquids Code manway opening. NFPA 30A:Automotive and Marine Service Station Code NFPA 31:Installation of Oil-Burning Equipment. E. Optional Heating Coils 3.City of New York Department of Buildings M.E.A.,Division 1.Optional heating coils shall be installed in a separate 22°-diam- #161-89-M. eter manway and shall be as supplied by tank manufacturer. Part II: Products F. Optional Ladders 2.01 Single-wall,Double-Wall and Triple-Wall Fiberglass Reinforced 1.Ladders shall be the standard ladder as supplied by tank manu- Plastic(FRP)Underground Storage Tanks: facturer(aluminum,carbon steel or fiberglass). A. Loading Conditions-Tank shall meet these design criteria: G. NPT Threaded Fittings 1. Internal Load-Sin le-wall,double-wall and triple-wall tank 1.All NPT threaded fittings shall be a material of construction con- 9 P sistent with the requirements of the UL label. shall withstand a 5-psig air-pressure test with 5:1 safety factor. lf d threaded fittings shall be standard 2_All sthalf-couplings and shall Contractor shall individually test tanks for leakage prior to in- be or r in diameter.Reducers are ha be used for smaller stallation.Maximum test pressure is 5 psig(3 psig for a 12'-di- ameter tank). sizes where shown and provided by contractor. 2.Vacuum Test-To verify structural integrity,every standard 101- 3.Strength-NPT fittings shall withstand a minimum of 150 foot- diameter tank and smaller shall be vacuum-tested by the manu- pounds of torque and 1,000 foot-pounds of bending,both with facturer at the factory to 11.5' of mercury.All 12'-diameter a 2:1 safety factor tanks shall be tested by the manufacturer to 5.5' of mercury. H. Monitor Fittings 3.Surface Loads-Tank shall withstand surface H-20 axle loads 1.The monitor fitting for a double-wall and triple-wall tank shall _ when properly installed according to Xerxes'current Installation consist of a 4' NPT fitting on the tank. Manual and Operating Guidelines. 2.03 Optional Monitoring System 4. External Hydrostatic Pressure-Tank shall be capable of being A. General buried in ground with 7'of overburden over the top of the The tank manufacturer shall offer the option of a continuously 1. tank,the hole fully flooded and a safety factor of 5:1 against monitored,hydrostatic leak-detection system for its double-and general buckling. triple-wall tanks. 5.Tank shall support accessory equipment-such heating coils, 2.The monitoring system shall be designed by the manufacturer drop tubes,submersible pumps and ladders-whh when properly in- stalled. to detect a leak in either the primary,secondary or tertiary tank, - at installations with or without groundwater. B. Product Storage: 3.The monitoring system shall include monitoring fluid in the pri- 1.Tank shall be capable of storing petroleum products with spe- maty interstice delivered to the installation site.The contractor cific gravity up to 1.1. shall be responsible for field installation of monitoring fluid in 2.Tank shall be vented to atmospheric pressure. the secondary interstice. 3.Tank shall be capable of storing products identified in the man- 4.The reservoir(s)shall be fitted with one 4' NPT fitting for instal- ufacturer's current standard limited warranty. lation of an electronic,reservoir-level sensor. C. Materials: Part III:Testing and Installation 1.Tank shall be manufactured with 100% resin and glass-fiber re- 3.01 Testing inforcement.No sand fillers. A. Testing-Tank shall be tested according to the applicable Xerxes D. Tank Dimensions(Refer to Xerxes literature on gallonage.): Installation Manual and Operating Guidelines in effect at time of 1.Tank shall have nominal capacity of gallons. installation. 2.Tank shall have nominal outside diameter of_feet. 3.02 Installation E. Interstitial Space A. Installation-Tank shall be installed according to the applicable 1.Double-wall and triple-wall tank shall have a space between the Xerxes Installation Manual and Operating Guidelines in effect at walls to allow for the free flow and containment of leaked time of installation. product from the primary tank.The space also allows the inser- Part IV.Limited Warranty - tion of a monitoring device through a monitoring fitting. 4.01 Limited Warranty A. Limited Warranty-Warranty shall be manufacturer's standard lim- ited warranty in effect at time of purchase. 8