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® e <br /> t Do not connect the air supply directly to the annular <br /> space monitoring fitting or tank damage will result. <br /> Do not pressurize 4',6',8'and 10'diameter tanks <br /> over 5 psig(35 kPa).Do not pressurize 12'diameter ° Prepare for testing. <br /> tanks over 3 psig(21 kPa).Tank damage or physical - Replace all fitting plugs with plugs suitable for the <br /> injury may result. product to be stored in the tank. <br /> The following instructions apply to all air tests described in - Clean factory pipe dope from plugs and fittings. <br /> Sections D-1 to D-9. Some Non Petroleum tanks are not - Apply pipe dope suitable for the material being <br /> field air-testable and may require a post installation water stored in the tank. <br /> test(Section D-10). <br /> - Reinstall and tighten fitting plugs. <br /> VISUAL AIR SOAP TEST <br /> To be performed on all tanks after unloading from ( - Assemble the required number of"Tank Test <br /> the truck and prior to installation. Manifolds"(Figure C-1)and "Annular Space Gauge <br /> and Valves"(Figure C-2). <br /> • CSI tanks must be tested at the job site prior to - Gauges must have a maximum full-scale reading <br /> installation in order to verify the absence of shipping or of 15 prig (40 kPa)with %psig (1 kPa)or smaller <br /> handling damage(Note:Tanks shipped with vacuum increments. <br /> or monitoring fluid in the interstitial space still require a <br /> pre-installation air/soap test). - Pressure-relief device must be sized and set to <br /> • Tanks must be vented at all times except as defined prevent the tank from being pressurized in excess <br /> during testing. of the maximum allowed test pressure <br /> (5 psig/35 kPa maximum or 3 psig/21 kPa <br /> FOR ALL AIR TESTS: for 12'tanks). <br /> • All petroleum tanks with a UL label and all potable , <br /> water tanks must be air tested prior to installation. <br /> • Use a contractor supplied"Tank Test Manifold" ! Do not stand on or approach endcaps,manwaye,or <br /> connected to a tank primary fitting (see Figure C-1). fittings while pressurizing tanks.Do not lift or hoist <br /> Figure C-1 ( tank under pressure.These actions could result in <br /> death or serious injury. <br /> TankTWManifbid <br /> • Do not pressurize 4',6', 8'and 10'diameter tanks <br /> Air Supply Valve Open Air S7/ in <br /> ply Valve Closed over 5 psig (35 kPa). Do not pressurize 12'diameter <br /> Air Supply tanks over 3 psig (21 kPa). <br /> –Gauge Pressure gauge readings can be affected by changes <br /> ambient air temperature.Allow for pressure <br /> I fluctuations when tanks are subject to temperature <br /> Backup changes. <br /> Air Supply Gauge Pressure-Relief • Prepare Soap Solution. <br /> Device <br /> Primary I - Warm weather soap solution <br /> Tank Fitting 5 gallons of water <br /> • 8 ounces of household dishwashing <br /> For tanks with any dry annular space configurations, detergent <br /> including double-wall bulkheads: - Freezing conditions soap solution <br /> • Use a contractor supplied"Annular Space Gauge and 4 gallons of water <br /> Valve"connected to the annular space fitting 8 ounces household dishwashing detergent <br /> (see Figure C-2). <br /> Figure C-2 1 gallon windshield washer solution <br /> Annular Space Gauge and Valve ! • The entire tank surface must be covered with the <br /> ! soap solution and visually inspected for leaks, as <br /> Valve Open valve Closed indicated by the presence of active air bubbles. <br /> • Anytime bubbles are observed around fittings, plugs, <br /> Pressure ( and gaskets;tighten and retest. <br /> Gauge In the unlikely event a tank leak is discovered, <br /> discontinue the installation and immediately call CSI <br /> Annular Space — Field Service to schedule a repair. <br /> or Double-Wall ( If the tank is a Non Petroleum tank and requires <br /> Bulkhead Fitting _ post installation water testing,follow the procedures <br /> in Section D10. <br /> 6 <br />