The inlet shall hold this water for not less than 2 hours with no measurable change in the water level. Test for leakage by filling the inlet with water to a level at least 1-2 inches above the top of the inlet structure. The Contractor shall perform a hydrostatic test to ensure the integrity of the inlet sump. Accurately note the amount of makeup water required to maintain pressure during the test.Ĭontainment Drain Inlet. Test pressure shall be maintained during the test by adding makeup water through the pressure test pump into the pipeline. If the system does not hold pressure, check the outfall point to see if water is bypassing the valve. Hold this pressure for not less than 2 hours. The test pressure shall not vary by more than ☑ psi for the duration of the test. Test for leakage by filling the pipe with water and pressurizing to 10 psi using a suitable pump connected to the pipeline. Ensure the release valve is closed and pressurize the end of the pipe within the containment basin sump. Test in accordance with applicable requirements of AWWA C600 for hydrostatic testing. The Contractor shall perform a hydrostatic test to ensure the drain pipe and release valve do not leak. Containment drain system shall be tested as follows.ĭrain Line and Release Valve. Visually assess the liner integrity and impermeability where applicable. Record dimensions of cracks and provide photographic evidence of each deficiency. The contractor shall visually inspect containment for ability to contain the entire contents of the tank in the event of catastrophic failure, assessing for cracks, settlement, and deterioration. Contractor shall leave a clean and orderly site upon the completion of the inspection. The attached Inspection Report template should be utilized in submitting both the DRAFT and FINAL inspection reports. Alarms, Automatic Tank Gauge equipment, and all tank appurtenances shall be tested and verified. All tank appurtenances that are required shall be documented along with all required appurtenances that aren’t present. At a minimum, table 8-1 within UFC 3-460-01 shall be followed. The tank Inspection shall be in conformance with applicable industry standards API 653, NFPA 30, NFPA 326, UFGS 33 01 50.60, and in compliance with 40 CFR 112, UFC 3-460-01, UFC 3-460-03 and any other applicable federal, state, local, service or host nation requirements.
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Tank cleaning shall be done in accordance with UFGS 33 01 50.60. Clean the tank and perform an internal AST inspection to also include the visual inspection of the containment area. Any fuel or residual product that will be disposed of the contractor will be responsible to coordinate with environmental and safety authorities having jurisdiction to obtain and execute required permits, manifests, etc. Remove and transfer approximately 150 gallons of fuel/sludge. Perform a Tel-con kick-off meeting either prior to mobilization or the morning of the commencement of work on-site.