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10 PIPING 13 ADDING "AUKS AT EXISTING SITES All internal piping must be at least 4 inches (10 cm) Additional Xerxes Century-Cast FRP Tanks can be in- from the bottom of the tank. The I.D. of the 550-1,000 stalled at existing locations if proper foundation support gallon (2.1-3.8 cu. meters)tank is 48 inches 121.9 cm). exists.The method of installation is the responsibility of The I.D. of the 6 foot (1.8 meters) diameter tanks of the owner. It is required, however,that one of the follow- 2,000-6,000 gallons(7.6-22.8 cu.meters)is 71.5 inches ing methods be used.The preferred method is to install °„ (181.6 cm). The I.D. of the 2,000-12,000 gallon (6.1-45 a new tank in a separate hole at least 3 feet (1 meter) `_v cu. meters) tank is 91.5 inches (232.4 cm) and the I.D. from the original hole. Caution must be exercised in of the 15,000-20,000 gallon (57-76 cu. meters) tank is keeping unusual surface loads off existing tanks. The 119.375 inches(303.2 cm). All tanks must be vented to natural barrier of undisturbed soil between tanks must atmospheric pressure. be maintained. If this method is not practical, additional tanks may be 11 SUMPS buried in the same installation hole. After emptying ex- istingg tanks to less than one-quarter capacity, remove If tank has a sump, extra care must be exercised not to the surface pad. Enlarge the excavation for the new rest the tank on the sump prior to installation. tank, leaving as much backfill as possible around exist- When installing a tank with a sump, the 12 inches (30 Ing tanks. It may be necessary to install shoring to make cm) of bottom bedding must have an 8 inch (17.5 cm) sure that existing tanks do not move and that sufficient deep x 24 inch (60 cm) diameter hole centered at the backfill remains.The new tank must be installed by fol- sump location. After setting the tank, the void must be lowing the procedures hand backfilled and tamped. in this guide. Remem- ber to leave inches 12 FILLING THE TANK mum m 24 inches =u (60 cm) between The tank may be filled with water or product after the tanks. The backfill backfill is even with the top of the tank. Only under wet material must be the hole conditions as described in Item 8, should water or same as that speci- —� f-3' product be added before the backfill is even with the top fied in Item 3. of the tank. Also, when filling the tank with water or oI product, make sure the tank is adequately vented. CAUTION:The ballast level in the tank must not ex- till I I I, '�o ceed the water level in the hole during the ballast It 11 1 = procedure when sinking tank in a wet hole. WARRANTY Xerxes Corporation warrants that our underground storage tanks,if used in accordance with our specifications and installed according to our published installation instructions: (1)Will not fail for a period of thirty(30)years from date of original purchase due to external corrosion. (2)Will not fail for a period of thirty(30)years from date of original purchase due to internal corrosion, provided the tank is used solely with or without tank water bottoms for gasoline,gasohol(90%gasoline/10%ethanol mixture),90.5%gasoline and 9.5%Oxinol-50' (4.75%methanol and 4.75%GTBA mixture),jet fuel,av-gas,kerosene,diesel fuel,motor oil,or potable water at ambient undergound temperatures;or used for fuel oil at temperatures not to exceed 150°F. (3)Will not fail for a period of thirty(30)years from date of original purchase due to structural failure(defined as breaking or collapse) provided the installation is performed and validated by a qualified installation contractor and the tank is used as stated above. (4)Will meet our published specifications and will be free from material defects in materials and workmanship for a period of one(1)year following date of original delivery by us. Xerxes Corporation's liability under this warranty shall be limited to, at our option, (a) repair of the defective tank, (b) delivery of a replacement tank to the point of original delivery,or(c)refund of the original purchase price,and we shall not be liable for any labor,other installation costs,indirect or consequential damages or other damages in connection with such tanks.THE FOREGOING CONSTITUTES OUR EXCLUSIVE OBLIGATION AND WE MAKE NO EXPRESS OR IMPLIED WARRANTIES,OR ANY WARRANTY OF MERCHANT- ABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE WHATSOEVER,EXCEPT AS STATED ABOVE. XERXES PLANT LOCATIONS XERXES CORPORATE OFFICE 34250 Mills Road 2001 Proform Road 351 North Virginia Avenue 7901 Xerxes Avenue South Avon,OH 44011 Seguin,TX 78155 P.O. Box 99 Minneapolis, MN 55431 (216)327-6051 (512)372-0090 Penns Grove, NJ 08069 (612)887-1890 (609)299-0632 Building 316 Airport 1210 N.Tustin Avenue Industrial Park P.O. Box 6069 P.O. Box 469 Anaheim,CA 92806 Bartow, FL 33830 (714)630-0012 (813)533-9047 These instructions supercede an previous editions XERXES" I HEE:°°�ESS° s-M- CORPORATION v,E