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I�) PEIIRP1200-12 there are items that must be repaired or replaced 6.5.6 Test Procedure. (e.g., deteriorated penetration fitting boots), 1.Begin the test by adding water to the sump to a notify the owner/operator and obtain approval minimum of 4 inches above the highest stamp prior to proceeding with repairs. penetration or sump sidewall seam-,whichever is 4.Test hoots or secondary containment termina- higher. To compensate for sump deflection, the tion fittings must be present on the piping pen- water must be allowed to settle a minimum of etrating the sump. During testing, these fittings 15 minutes before taking the initial test measure- prevent water from entering the interstitial space went. If the highest sump penetration or sump of double-walled piping. Without these fittings, sidewall seam is less than 4 inches from the top the integrity of the sump cannot be tested using of the sump, add water to within 1 inch of the this method. top of the sump. 5.if interstitial monitoring sensors are present 2.Place the measuring stick vertically at the lowest within the containment sumps, temporarily point in the sump and extending above the water remove them before conducting the test. Iti the level in the sump to allow for au accurate mea- sensor is removed, reposition after testing to surement to be taken.The location of the mea- appropriate position according to the manufac- suring stick must remain the same for each water turer's instructions. level measurement. Document the initial water 6.If the containment sump is found to have cracks, level measurement as measured from the bottom loose parts or separation of any joints or penetra- of the sump. Alternative measurement methods tion fittings, it is not considered to be liquid- may be used provided that the measurement to tight.This visually indicates a test failure. 1116 (0.663)inch can be made. 3.Take all precautions to prevent the water level CAUTION: Water can damage electrical from being disturbed during the duration of the connections. Ensure that there are no test. components that can be damaged by the 4.After 1 hour, document the ending water level addition of water to the sump. If such measurement. components are present, take appropriate precautions when performing the test or S.Upon completion of the test: use an alternative test method. remove all water and properly dispose of it - according to Section 6.7; • reinstall any interstitial monitoring sensors in their proper positions; • return the test boots or secondary contain- ment fittings to their pre-test operating con- figurations; Water E7eciWal Level Jundlon l Box E7eclrical Conduit ... . .... .. ... i Wafer Prcduct Level Piping Electrical e _ Candult Product FIGURE 6.5. The test fluid level in the UDC must be at Piping least 4 Inches above the highest sump penetration or sidewall seam. FIGURE 6.6. To prevent leakage, check all penetration fittings before adding water to ensure they make a tight seal. 49 pei.org