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Guide Specifications for Xerxes Underground Petroleum Storage Tanks Short form: A.General The contractor shall provide a double-wall or triple-wall fiberglass reinforced 1.Tank shall be continuously monitored with the TRUCHEK® plastic(FRP)UL-listed underground storage tank as shown on the drawings. hydrostatic leak monitoring system. The tank size,fittings and accessories shall be as shown on the drawings. 2.The continuous monitoring system shall include monitoring fluid The fiberglass tank shall be manufactured by Xerxes Corporation, factory-installed in the interstitial space and within a fiberglass tank-top mounted reservoir. The tank shall be tested and installed according to the Xerxes Installation 3.The monitoring system shall be recognized by the National Manual and Operating Guidelines for Fiberglass Underground Storage Tanks Work Group on Leak Detection Evaluations(NWGLDE)as in effect at time of installation. continuous leak detection and as a precision tank test. Long form: 4.The monitoring system shall be independently tested by a Part I:General qualified third party and verified to be capable of detecting 1.01 Quality Assurance leaks as small as.05 gallons per hour when TRUCHEK A.Acceptable Manufacturer:Xerxes Corporation tank-tightness test procedures are followed. B.Governing Standards,as applicable: B.Design 1.Underwriters Laboratories(UL)Standard for Safety 1316 1.The continuous monitoring system shall be designed to detect Glass-Fiber-Reinforced Plastic Underground Storage Tanks for a leak in either the primary or secondary wall at all times, Petroleum Products,Alcohols,and Alcohol-Gasoline Mixtures. regardless of the water-table conditions at the installation site. A UL label shall be attached to each tank. 2.The interstice of the tank shall be designed for a 5:1 safety factor 2.National Fire Protection Association(NFPA)Standards:NFPA 30: beyond normal hydrostatic operating pressure to ensure structural Flammable and Combustible Liquids Code,NFPA 30A:Code for integrity and to prevent false leak alarms. Motor Fuel Dispensing Facilities and Repair Garages,NFPA 31: 2.03 Accessories Standard for the Installation of Oil-Burning Equipment. A.Tank Anchoring 3.City of New York Department of Buildings M.E.A., #161-89-M. 1.Anchor straps shall be as supplied by tank manufacturer and 4.American Concrete Institute(ACI)standard ACI 318-11,Building designed for a maximum load of 25,000 lbs. Code Requirements for Structural Concrete. 2.Galvanized turnbuckles(two per anchor strap)shall be supplied C.Submittals by the tank manufacturer. 3.Prefabricated concrete anchors shall be supplied by the tank 1.Contractor shall submit_copies of shop drawings, manufacturer,designed to the ACI 318-11 standard, manufacturer's product brochures,and Installation Instructions. manufactured with 4,000 psi concrete,and shall have Part II:Products B.Manways adjustable anchor points. 2.01 Double-Wall and Triple-Wall Fiberglass Reinforced Plastic(FRP) 1.The standard manway shall be flanged,22"I.D.and complete Underground Storage Tanks: A.Loading Conditions-Tank shall meet these design criteria: with UL listed gaskets,bolts and covers as shown on tank 1.Interstitial Pressure-The interstitial space of the tank shall drawings. withstand a minimum 20-prig pressure test. C.Threaded Fittings 2.Internal Load-Tank shall withstand a 5-psig air-pressure test 1.All threaded fittings shall be NPT half or full couplings,in 2",4" with a 5:1 safety factor. or 6"diameters. 3.Surface Loads-Tank shall withstand surface H-20 and HS-20 2.Fittings shall be installed on the tank-top centerline or in the axle loads when properly installed according to Xerxes'current cover of the manway as shown on the tank drawings. Installation Manual and Operating Guidelines. D.Containment Collars&Sumps 4.External Hydrostatic Pressure-Tank shall be designed for 7' 1.The tank shall have factory-installed 42"-or 48"-diameter of overburden over the top of the tank,the hole fully flooded containment collars as shown on the tank drawings. and a safety factor of 5:1 against general buckling. 2.Containment sumps in 42"-or 48"-diameter,provided by the B.Product Storage: tank manufacturer and designed for mounting on the 1.The primary compartment of double-wall and triple-wall tanks containment collars,shall be supplied as shown on the tank shall be vented and operated at atmospheric pressure only. drawings. 2.Tank shall be capable of storing liquids with a specific gravity up 3.Adhesive shall be provided by the tank manufacturer to 1.1. with each containment collar and sump. 3.Tank shall be capable of storing products identified in the 4.Containment collars and sumps shall be designed and supplied manufacturer's standard limited warranty in effect at the time as a containment system.Only sumps provided by the of purchase. manufacturer shall be allowed. C.Materials: Part III:Testing and Installation 1.The primary and secondary walls of the tank shall be 3.01 Testing manufactured with 100%premium resin and glass-fiber A.Testing-Tank shall be tested according to the Xerxes Installation Manual reinforcement. No sand or silica fillers shall be added to the and Operating Guidelines in effect at time of installation. resin. 3.02 Installation 2.The interstitial space between the primary and secondary walls A.installation-Tank shall be installed according to the Xerxes Installation shall be constructed with a glass reinforcement material such as Manual and Operating Guidelines in effect at time of installation. Parabeame,which provides a structural bond between the two tank walls,while creating a defined interstice that allows for Part IV:Limited Warranty free flow of liquid. 4.01 Limited Warranty D.Tank Dimensions(Refer to Xerxes literature on gallonage): A.Limited Warranty-Warranty shall be manufacturer's standard limited 1.Tank shall have nominal capacity of gallons. warranty in effect at time of purchase. 2.Tank shall have nominal outside diameter of feet. 3.Tank shall have a nominal overall length of feet/inches. 2.02 Tank Monitoring System 10 ZCL Composites Inc. • Xerxes Corporation