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15.4.2.2.Once the tank is installed,the level of the monitoring 15.4.3.2.After this test.reset the monitoring-fluid level to a fluid may fluctuate due to such things as: position based on line product level. (See SECTION 15.4.2.) • product level groundwater fluctuation CONTAINMENT16, INSTALLING • tank filling and emptying • product-temperature vanstlon. 16.1.GENERAL 16.1.1.Xerxes containment sumps come in a variety of models 15.4.2.3.To establish the proper operating level for monitoring and sizes,including single-wall and double-wall models.and fluid,decide what type of monitoring probe will be used in order to round and flat-sided models.These instructions pertain to Xerxes' determine the tribal starting point for the level in the reservoir. single-wall round containment sumps.Irrsvucl ons for other 15.4.2.3.1.The typical probe has two sensors(a high-fluid level models are found in Xerxes'supplemental materials,See and a low-fluid level).When using a two-sensor probe,the start SECTION 200!this manual for information on supplemental point(the proper level for the monitoring fluid)is midway between instructions. the two sensors. 161.2.7he containment sump is a terumnation point for secondary 15.4.2.3.2.If using something other than a two-sensor probe,use piping systems.It is designed to be monitored continuously for leaks 7 inches from the top of the tank as the start point for the using electronic sensors.Consult federal,state and local codes and monitoring-fluid levelregulations to ensure proper monitoring compliance. Nole'When using a probe.do not raise it o8 the lank to meet the WARNING c o tact with the level,the probe must remain upright and in The containment sump system is a confined space,which may confect with the tOp Of the tank at all limes.(See FIGURE 15-2.) contain hazardous vapors.If work is to be performed inside the sump,test the atmosphere inside and,If necessary,vent the space to prevent the development of vacuum or pressure. b/Y.',ersl I { Failure to do so could result in death or serious injury. _9mai ba nm eienr-.i ' nwk^u :,,ff„M„l � WARNING Use air-powered tools to prevent shock,fire or explosion from flammable liquids and vapors.Failure to do so could i result In death or serious Injury. ' kerano- CAUTION -AbMW�p^uM kwl ' Always wear gloves when handling containment sump components,and always wear eye protection when grinding, cutting and attaching the sump unit.Failure to do so may L result in minor or moderate injury. FIGURE 15.2 15.4.2.4.After determining the start point,adjust the monitoring 0 CAUTION fluid based on the product level: Oo not drop the containment sump assembly components or allow the sump body to roll.Since high winds could damage 15,4.2.4.1.ff the tank is between 114 and 1!2 full of product,the the sump components,protect and secure all pieces if windy proper operating level for the monitoring fluid is at the start point, conditions arise.Failure to follow this caution may result in 15.4.2.4.2.If the tank is between empty and V4 fug,the proper minor or moderate Injury. operating level for the monitoring fluid is about 1-1 112 inches CAUTION Wow the start point, Failure to follow these instructions may cause water-seal 15.4.2.4.3.If the tank is between 112 full and full,the proper failure,and may resuh in property damage. operating level for the monitoring fluid is about 1.1 1,12 inches above the start point. 16.1.3,Visually inspect all pieces and parts to make sure that no shipping or handling damage has occurred.If any components are 15.4.2.5.Add or remove monitoring fluid to reach the proper missing,contact the UST coordinator at the Xerxes plant nearest operating level for the monitoring fluid you.(See FIGURE 164 or FIGURE 16-2.) 15.4.3.TRUCHEK9 16.1.4.Do not allempt any repairs to damaged containment sump 15.4.3,1.If a TRUCHEK test is required after installation,follow components.If damage is detected,contact the UST coordinator the procedures in the Xerxes TRUCHEK brochure. at the Xerxes plant nearest you. 11 I I ti ' d L96E ' �N S30f�a3S 01 WV91': 6 80OZ 'Z ' �00