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PEI/RPI 200-12 <br /> there are items that must be repaired or replaced 6.5.6 Test Procedure. <br /> (e.g., deteriorated penetration fitting boots), 1.Begin the test by adding water to the sump to a <br /> notify the owner/operator and obtain approval minimum of 4 inches above the highest sump <br /> prior to proceeding with repairs. penetration or sump sidewall seam,whichever is <br /> 4.Test boots or secondary containment termina- higher. To compensate for sump deflection, the <br /> tion fittings must be present on the piping pen- water must be allowed to settle a minimum of <br /> etrating the sump. During testing, these fittings 15 minutes before taking the initial test measure- <br /> prevent water from entering the interstitial space ment. If the highest sump penetration or sump <br /> of double-walled piping. Without these fittings, sidewall seam is less than 4 inches from the top <br /> the integrity of the sump cannot be tested using of the sump, add water to within 1 inch of the <br /> this method. top of the sump. <br /> 5.If interstitial monitoring sensors are present 2.Place the measuring stick vertically at the lowest <br /> within the containment sumps, temporarily point in the sump and extending above the water <br /> remove them before conducting the test. If the level in the sump to allow for an accurate mea- <br /> sensor is removed, reposition after testing to surement to be taken. The location of the mea- <br /> appropriate position according to the manufac- suring stick must remain the same for each water <br /> turer's instructions. level measurement. Document the initial water <br /> 6.If the containment sump is found to have cracks, level measurement as measured from the bottom <br /> of the sump. Alternative measurement methods <br /> loose parts or separation of any joints or penetra- <br /> tion fittings, it is not considered to be liquid- may be used provided that the measurement to <br /> tight.This visually indicates a test failure. 1/16 (0.063)inch can be made. <br /> 3.Take all precautions to prevent the water level <br /> CAUTION: Water can damage electrical from being disturbed during the duration of the <br /> connections. Ensure that there are no test. <br /> components that can be damaged by the 4.After 1 hour, document the ending water level <br /> addition of water to the sump. If such measurement. <br /> components are present,take appropriate <br /> precautions when performing the test or 5.Upon completion of the test: <br /> use an alternative test method. • remove all water and properly dispose of it <br /> according to Section 6.7; <br /> • reinstall any interstitial monitoring sensors in <br /> their proper positions; <br /> ra <br /> • return the test boots or secondary contain- <br /> Ment fittings to their pre-test operating con- <br /> figurations; <br /> er Electrical <br /> Wat <br /> Level Jurxiion <br /> Box <br /> Electrical <br /> Conduit — <br /> Water <br /> Product Level <br /> Piping <br /> Electrical <br /> Conduit <br /> 1 <br /> 1-7-1 <br /> FIGURE 6-5. The test fluid level in the UDC must be at Product <br /> -= Piping <br /> least 4 inches above the highest sump penetration or <br /> sidewall seam. -- -- <br /> - --- FIGURE 6-6. To prevent leakage, check all penetration <br /> fittings before adding water to ensure they make a tight <br /> seat. <br /> 0 pei.org <br />