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PEI/RP1200-12 <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 4 <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 he 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 /> loose parts or separation of any joints or penetra- of the sump. Alternative measurement methods <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 /> • return the test boots or secondary contain- <br /> ;.:t men[ fittings to their pre-test operating con- <br /> t _ 'c figurations; <br /> irk VVr:ltt?r Flwncal <br /> Level Junctinn <br /> y. 1 oox < <br /> r Electrical <br /> J,r Conduit <br /> Water <br /> �.; e •' Prcducl Level <br /> i• _ Piping <br /> 4 _ EIacGical <br /> _ Product <br /> FIGURE 6-5. The test florid level in the UDC most be at Piping <br /> least 4 inches above the highest sump penetration or - r2 - u•A :, <br /> sidewall seam.ax;y'k•.ps_ >` ,,.__+ r.a• K,r. <br /> - - FIGURE 6.6. To prevent leakage, check all penetration <br /> fittings before adding water to ensure they make a tight <br /> seal. <br /> pei.org <br />