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3. With tank in upright position, remove the 4"vented ® . <br /> plug from the reservoir fitting. • . ® ® ® . <br /> 4. Add only enough monitoring fluid to cover the rib • <br /> inside the reservoir. Do not overfill past the rib at ® • • <br /> this time (see Figure D7-1). Final monitoring fluid <br /> levels will be set later in the installation process. j <br /> Figure D7-1 <br /> Never pressurize a wet annular space.Doing so <br /> Reservoir Vented Reservoir Plug may damage the primary tank or cause tankfailure. <br /> This tank has a hydrostatic monitoring system that <br /> Monitoring includes a nontoxic(30% calcium chloride)green <br /> Fluid Tank Rib monitoring fluid pre-installed between the tank walls. <br /> In the unlikely event of a tank leak,this monitoring fluid <br /> { will leave a green trace on the tank. <br /> If monitoring fluid is found on the tank inner or outer <br /> 5. Reinstall vented reservoir plug to ensure annular surface during any test, discontinue the installation <br /> space is vented at all times. and immediately contact Containment Solutions Field <br /> 6. Remove enough tank fitting plugs to see inside the Service, <br /> primary tank. Perform in the following the order listed. <br /> 7. With a light, look inside for any monitoring fluid. 1. Comply with the requirements of Section C. <br /> 8. Replace and tighten fitting plug(s). 2. Closely inspect outer wall for any trace of green <br /> 9. Connect"Tank Test Manifold"to a primary tank monitoring fluid. <br /> fitting. 3. With tank in upright position, remove the 4"vented <br /> 10. Connect the pressure source to the"Tank Test plug from the reservoir fitting. <br /> Manifold." 4. Add only enough monitoring fluid to cover the rib <br /> 11. Pressurize primary tank to 5 psig maximum ( inside the reservoir. Do not overfill past the rib at <br /> (3 psig for 12'tanks) this time(see Figure D8-1). Final monitoring fluid <br /> (see Figure D7-2). levels will be set later in the installation process. <br /> Figure D7-2 Figure D8-1 <br /> Air Supply <br /> Reservoir Vented Reservoir Plug <br /> Primary Tank Fitting Vented Reservoir <br /> Monitoring Fluid Monitoring <br /> Tank Rib <br /> Fluid <br /> 5 psig <br /> P Tank 4 4 <br /> i <br /> 5. Reinstall vented reservoir plug to ensure annular <br /> 12. Close valve on"Tank Test Manifold."Disconnect the space is vented at all times. <br /> air supply line. 6. Remove enough tank fitting plugs to see inside <br /> 13. Monitor the pressure for 30 minutes for any loss in each compartment. <br /> pressure from the initial reading which may indicate 7. With a light, look inside for monitoring fluid. <br /> a leak. <br /> 14. While under pressure, cover fittings and manway(s) 8. Replace and tighten fitting plug(s). <br /> with soap solution and inspect. 9. Connect"Tank Test Manifold(s)"to each <br /> 15. After completing air test, release pressure. compartment. <br /> 16. Remove allau es, valves, and hose assemblies. 10. Connect the pressure source to the"Tank Test <br /> g g Manifold"on each compartment. <br /> 17. Replace and tighten fitting plug(s). <br /> 18. Replace the plastic vent plugs in the open fittings. <br /> 11 <br />