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Last Updated | 04/06/2022 11:43 AM |
Project Title | AST API 653 Out of Service Inspection MacDill, AFB FL |
Physical Address | View project details and contacts |
City, State (County) | Tampa, FL (Hillsborough County) |
Category(s) | Professional Services |
Sub-Category(s) | Inspection Services |
Contracting Method | Competitive Bids. |
Project Status | Results |
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Architect | View project details and contacts |
Description | Perform a Tel-con kick-off meeting either prior to mobilization or the morning of the commencement of work on-site. Remove and transfer approximately 5,000 Gallons of fuel product and dispose of approximately 350 gallons of fuel/sludge. Contractor will be responsible for coordinating with the installation as to how the fuel will be transferred and stored during the services provided in this PWS. 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. Clean the tank and perform an external and internal API AST inspection to also include the visual inspection of the containment area. Tank cleaning shall be done in accordance with UFGS 33 01 50.60. 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. At a minimum, table 8-1 within UFC 3-460-01 shall be followed. All tank appurtenances that are required shall be documented along with all required appurtenances that aren’t present. Alarms, Automatic Tank Gauge equipment, and all tank appurtenances shall be tested and verified. The attached Inspection Report template should be utilized in submitting both the DRAFT and FINAL inspection reports. Contractor shall leave a clean and orderly site upon the completion of the inspection. 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. Record dimensions of cracks and provide photographic evidence of each deficiency. Visually assess the liner integrity and impermeability where applicable. Containment drain system shall be tested as follows. Hydrostatically test the containment inlet, basin, line, valve. Visually assess the liner integrity and impermeability where applicable. Each containment drain inlet, drain line and containment drain valve shall be hydrostatically tested to assure the drainage system is liquid tight. The Contractor shall perform a hydrostatic test to ensure the drainpipe and release valve do not leak. The Contractor shall perform a hydrostatic test to ensure the integrity of the inlet sump, drain line, and release valve. The Contractor shall perform a hydrostatic test to ensure the drainpipe and release valve do not leak. Test in accordance with applicable requirements of AWWA C600 for hydrostatic testing. Ensure the release valve is closed and pressurize the end of the pipe within the containment basin sump. Test for leakage by filling the pipe with water and pressurizing to 10 psi using a suitable pump connected to the pipeline. The test pressure shall not vary by more than ±1 psi for the duration of the test. Hold this pressure for not less than 2 hours. If the system does not hold pressure, check the outfall point to see if water is bypassing the valve. Test pressure shall be maintained during the test by adding makeup water through the pressure test pump into the pipeline. Accurately note the amount of makeup water required to maintain pressure during the test. Containment Drain Inlet. The Contractor shall perform a hydrostatic test to ensure the integrity of the inlet sump. 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 inlet shall hold this water for not less than 2 hours with no measurable change in the water level. Replace existing wiper seal. The existing wiper seal (foam log, double wiper etc.) shall be removed and completely replaced with a new double wiper seal in accordance with UFGS 33 56 21.17 and the IFR manufacturer's recommendations; penetration seals in the floating pan will also need replaced. |
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