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flM PEI/RPI 200-12 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 notily the owner/operator and obtain approval minimum of 4 inches above the highest sump prior to proceeding with repairs. penetration or sump sidewall seam,whichever is 4.Test boots or secondary con tairtment terniina- 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 etre ting the sump. During testing, these fittings 15 minutes before taking the initial test measure- prevent water from entering the interstitial space me If the highest sump penetration or sump of double-walled piping. NVithout 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 I inch of the this method. top of the sump. 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. If the level in the sump to allow for an accurate mea- sensor is removed, reposition after testing to surement to betaken. The location of the mea- appropriate. position according to the manufac- s stick must remain the same fore water turer's instructions, level measurement. Document the initial water 6.If the containment surnp is found to have cracks level measurement as measured from the bottom loose parts or separation of any joints or penet;;- of the sump. Alternative measurement metho d6 , tion fittings, it is not considered to be liquid- may be used provided that the measurement to tight This visually indicates a test failure. 1/16(0.063)inch can be made. 3.Take all precautions to prevent the water level CAUTION: Water can damage electrical from being disturbed during duration of the connections. Ensure that there are no test. components that can be damaged by the 4.After I hour, document the ending water level addition of water to the sump. If such measurement. components are present,take appropriate 5.Upon completion of the test: precautions when performing the test or use an alternative test method. ove 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 EI ri Love Junction FBOX Conduit Water Product Piping Electrical Condult e Pr FIGURE 6-5. The test tluld level in the UDC must be at adLJW Piping least 4 inches above the highest sump penetration or side ll seam. FIGURE To prevent leakage, check all penetration fittings before adding water to ensure they make a tight sea/. pei.org