COMPLIANCE INFO_1999-2005 - Laserfiche WebLink

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17.1. GENERAL 18.1. GENERAL 17.1.1.Additional Xerxes tanks may be installed at existing 18.1.1.Owner must retain the Installation Manual and Operating locations if proper foundation support exists. Guidelines for future reference to operating guidelines. 17.1.2.It is the responsibility of the tank owner to choose the 18.1.2.In addition to these installation instructions and operating correct method of installation. guidelines,follow all federal,state and local laws,regulations, codes and safety precautions that pertain to underground 17.1.3.Xeres requires that one of the following methods be used. storage tanks and/or their associated systems. 17.2.PREFERRED METHOD 18.1.3.Consult tank brochures,separate system instructions 17.2.1.The preferred method (FIGURE 17-1)is: (such as oil/water separators)and separate accessory • Install a new tank in a separate hole at least 3 feet from the instructions,which are available upon request from the UST original hole. coordinator at the Xeres plant nearest you.(See SECTION 20.) • Follow procedures outlined in this Installation Manual. • Exercise caution in keeping unusual surface loads off existing 18.1.4.Consult the applicable warranty for each tank for further tanks. • Maintain the natural barrier of undisturbed soil between tanks. operating guidelines and limitations.A copy of the warranty is available upon request from the UST coordinator at the Xeres plant nearest you. (See SECTION 19.) 36° 18.2. FILLING TANK 18.2.1.Never overfill the tank. 18.2.2.Xeres recommends only gravity filling of tanks. — AWARNING Xenres does not recommend pump or pressure filling of the tanks because an overfill or overpressurization could FIGURE 17-1 occur. Overfilling the tank while under pressure could cause tank failure even if the tank vent is unrestricted. 17.3.ALTERNATE METHOD Tank failure could result in death, serious personal injury or 17.3.1. If the preferred method outlined above is not practical, property damage. an alternate method (FIGURE 17-2)is: • Bury additional tanks in the same installation hole. 18.2.3.Each time the tank is filled,the owner/operator must • Empty existing tanks to less than 1/4 capacity. make sure the tank is properly vented. (See SECTION 11.) • Remove the surface slab. • Enlarge the excavation for the new tanks,leaving as much 18.2.4.Owner/operator must determine whether the tank has backfill as possible around existing tanks. overfill protection,such as automatic shut-off devices("flapper • Install shoring,if necessary,to make sure that existing tanks valves")or vent-restriction devices("ball-float valves"),which will do not move and sufficient backfill remains. close off the internal piping and reduce the tank's capacity. • Follow procedures and requirements outlined in this Installa- 18.2.5.Owner/operator must notify whoever fills the tank that it tion Manual. • See SECTION 5 for excavation parameters. has overfill protection,which reduces the tank's capacity. 18.2.6.Before each tank filling,owner/operator or the delivery service must determine the tank's reduced capacity due to the overfill protection,and consult the instructions or guidelines provided by the installer and manufacturer of the overfill- protection device to determine how much additional product the tank can hold. FIGURE 17-2 24