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11/17/98 17:00 TITRIOUBBER a 444 • N0.041 P006/010 Whenever the tanks are stored at the site,chock them in place to WARNING:When the tank is under pressure,the manways and/or prevent rolling.(See Figure 1-2).To them down d high winds are fittings may dislodge or the tank may rupture and result in death, expected. I severe personal injury,or property damage.Before beginning the After delivery and before preinstallation testing,visually inspect test notify all people on the thst site to rennin in a safe location. the entire exterior surface of the tank for signs of damage(holes, ALWAYS ATTEND THE TANK DURING THE TEST Avoid extended cracks or deep scrapes) exposure to the manways,fittings and ends of the tank during Verily that all ofthe sale-delivery provisions of the Xerxes"Damage the test. Free Delivery'program have been followed.Sign the drivers WARNING:The maximum test pressure is 5 PSIG(3 PSIG when release farm. �pressure readugSxipressure can be eargauge must beiy,read at all times.boned MAX 5 PSIG 0 FIGURE 1-2 n ( PREINSTALLATiON TESTING )All Xerxes tanks are meted prior to shipment but R is required that I all tanks be tested phorto installation in orderte verify the absence of shipping and handling damage.In the unlikely event of a leak,d is mast likely to develop at a manway or a fifling.Atter installation and before backfilling to grade,the fest must be repeated to vertry that no damage has ocaxred during installation.Reter to the 2a.' SINGLE WALL TANK TEST appropriate section below for the irsbuctorrIs for testing a single 1. Open one service fitting.Check to see that all remaining service wall tank a double wall tank with a dry itterstitkll space or a double fillings are property doped,plugged and tightened, wall tank with a liquid-filled interstitial space. 2. Install the test manifold in the open service tilting.Connect the If damage is defected,DO NOTATTEMPT REPAIRS.Contact the pressure source to the test manifold.(See Figure 2-2). UST Coordinator at the Xerxes plant nearest you or the Technical Service Departmetrt at Xerxes'corporate office.Telephone numbers 3. Pressurize the tank In 5 PSIG(3 PSIG when testing a 12-foot are found on the last page of this manual. tank).Add or remove air as necessary and allow the pressure to stabilize. gauge uctmu a test a ama d u full- in Figure ng The air supply q Close the valve on the test manifold.Disowned the air gauge must have a maximum full-scale reading of 15 PSIG with 114 or 1/10 lb.increments. supply line. WARNING:The pressure relief device or regulated air source must 5. Monitor the pressure for one hour Soap the entire exterior of he rated at a maximum of 6 PSIG(4 PSIG for 12-foot tanks)to the tank and watch kxr active air bubbles which indicate a leak reduce the risk of vorpressurmng the tank. 6. When the test is complete,carefully release the air pressure The tester is responsible for verifying that all of the test equipment from the tank by opening the air supply valve.The air supply line is in good working condition and properly configured. should already have been disconnected.Remove the test manifold. FROM COMPRESSOR FROM COHRESSOR AIR SUPPLY VALVE PRESSURE RELIEF DEVICE AIR SUPPLY VALVE AIR SUPPLY GAUGE PRESSURE RELIEF AIR SUPPLY GAUGE SERVICE FITTING DEVICE SERVICE FITTING TEST MANIFOLD FIGURE 2-1 FIGURE 2-2