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•R. <br /> Guide e 1 t =--` tt , ge <br /> D.Tank Dimensions(Refer to Xerxes literature on F. Optional Ladders-Ladders shall be the standard <br /> gallonage.): ladder as supplied by tank manufacturer <br /> 1.Tank shall have nominal capacity of gallons. (aluminum, carbon steel or fiberglass). <br /> 2.Tank shall have nominal outside diameter of G. NPT Threaded Fittings <br /> feet. 1.All threaded fittings shall be a material of construc- <br /> tion consistent with the requirements of the U.L. <br /> 3.Tanks shall have approximate overall length of label <br /> feet. <br /> E. Interstitial Space 2.All standard threaded fittings shall be half <br /> couplings and shall be 4"in diameter. Reducers are <br /> 1.Tank shall have a space between the primary and to be used for smaller sizes where shown and provid <br /> secondary shell walls to allow for the free flow and ed by contractor. <br /> containment of all leaked product from the primary 3.Sizes Standard Other Sizes <br /> tank.The space also allows the insertion of a moni- <br /> toring device through a monitoring fitting. Fill 4- <br /> 2.02 Appurtenances and Accessories Gauge 4" <br /> A. Optional Anchor Straps Inlet 4" <br /> 1.Straps shall be FRP anchor straps as supplied by Outlet 4" <br /> tank manufacturer. Vent 4" <br /> 2.Number and location of straps shall be specified in Extra 4" <br /> current literature by tank manufacturer. 4.Strength-NPT fittings shall withstand a minimum <br /> B. Manways of 150 foot-pounds of torque and 1,000 foot- <br /> 1.All manways are to be flanged and 22"1.D., com- pounds of bending, both with a 2:1 safety factor. <br /> plete with U.L.listed gaskets, bolts and covers. (30" H. Monitor fittings-Each monitor fitting shall consist of a <br /> and 36"1.D. manways are also available. 4"NPT fitting on the secondary tank. <br /> 2.Location is shown on standard tank drawings. <br /> 3.Optional manway extension tubes shall be FRP and <br /> 24"long. Part III: Execution <br /> 4.Each steel manway cover shall have a minimum of <br /> three 4"NPT fittings. (See Dimensional Data on 3.01 Installation <br /> page 7-9 for actual size and quantity of fittings.) Contractor shall be trained by the tank manufacturer, <br /> C. Optional Fill Tubes the state or other approved agency. <br /> 1.Fill tubes shall be FRP or contractor supplied and 3.02 Testing <br /> installed aluminum. Locations are shown on Tanks shall be installed and tested according to current <br /> drawings. double wall installation instructions provided with the <br /> 2.FRP tubes shall be 4"diameter, with a 6"x 4" tank. (Refer to current publication and include as part of <br /> double-tapped reducer bushing, and include a 6" specification.) <br /> NPT fitting on the tank. FRP tubes can be installed <br /> in manway cover or tank shell wall.Aluminum <br /> tubes (contractor supplied)shall be 4"in diameter <br /> and fit directly into a 4"NPT fitting.Tubes shall ter- Part IV:Wumoty <br /> minate a minimum of 4"from the bottom of tank. 4.01 Warranty shall be manufacturer's current <br /> D. Gauge Plates-Gauge plates shall be installed under standard'warranty. <br /> each service fitting and manway opening. <br /> E. Heating Coils <br /> 1.Optional heating coils shall be installed in a <br /> separate 22"manway and shall be the standard <br /> ® item supplied by tank manufacturer. <br /> 2.Location is shown in Dimensional Data on pages <br /> -' 7-9. <br /> 19 <br />