52000RFQ260025632-CGC Bear Water Deionization System Renewal

TCTO_TM3070.0_53000_KFM_0625_901 Potable Water Deionization System; Renew 1. SCOPE 1.1 Intent. This work item describes the requirements for the Contractor to remove the existing potable water deionization system, clean and inspect the Feedwater Storage Tank (4-94-1-W), and install new potable water deionization system on USCGC BEAR. The period of performance shall be 16 AUG 2026 – 30 SEP 2026. The place of performance will be 4000 Coast Guard Blvd, Portsmouth, VA 23703. 1.2 Government-furnished property. None. 2. REFERENCES Coast Guard Drawings Coast Guard Drawing 901 WMEC 533-015, Rev -, Deionization Water Treatment System Mods Coast Guard Drawing 901 WMEC 801-020, Rev H, Booklet of General Plans Coast Guard Drawing 901-WMEC-436-016, Rev D, Deionized Water Quality Monitoring System Coast Guard Publications Surface Forces Logistics Center Standard Specification 0000 (SFLC Std Spec 0000), 2022, General Requirements Surface Forces Logistics Center Standard Specification 0740 (SFLC Std Spec 0740), 2022, Welding and Allied Processes Surface Forces Logistics Center Standard Specification 6310 (SFLC Std Spec 6310), 2022, Requirements for Preservation of Ship Structures Other References American National Standards Institute/NSF International (ANSI/NSF) 61, 2015, Drinking Water System Components - Health Effects American National Standards Institute/American Water Works Association (ANSI/AWWA) C652, 2019, Disinfection of Water-Storage Facilities ASTM International (ASTM) F992, 2017, Standard Specification for Valve Label Plates 3. REQUIREMENTS note Ships Force to provide Culligan or equivalent fiberglass tanks per Coast Guard Drawing 901 WMEC 533-015 GFE Table. 3.1 General. 3.1.1 CIR. None. 3.1.3 Protective measures. The Contractor must furnish and install all protective measures in accordance with SFLC Std Spec 0000, paragraph 3.3.3 (Vessel component, space, and equipment protection). 3.1.4 Interferences. The Contractor shall handle all interferences in accordance with SFLC Std Spec 0000, (Interferences). Known interferences include, but are not limited to the following: Sheathing Bulkhead insulation Piping Foundation Ladderwell NOTE Coast Guard personnel will operate all shipboard machinery and equipment. 3.2 Operational test, initial. Prior to commencement of work, the Contractor must witness Coast Guard personnel perform an initial operational test of all items or shipboard devices to be disturbed, used, repaired, or altered, to demonstrate existing operational condition. Submit a CFR. 3.3 Tank, clean, inspect and preserve. The Contractor must complete the following for Feed Water Storage Tank (4-94-1-W). 3.3.1 Plug log. The Contractor must keep a written record of all plugs put in any tank’s vents. A separate list must be kept for each tank being entered. 3.3.1.1 Ensure that all plugs are removed from each tank upon completion of work in the tank. 3.3.1.2 Ensure the plug log is available to the Coast Guard inspector when the inspector is performing his close-out inspection on each tank. 3.3.2 Content removal. The Contractor must remove and dispose of 306 gallons of fluids and/or residues in accordance with all applicable Federal, state, and local regulations. The Contractor must notify the Dockmaster prior to filling or draining the potable water tank when this item is being executed in a drydock availability. 3.3.3 Cleaning. The Contractor must remove tank cover and clean tank interior surfaces free of all foreign materials, such as sediment, sludge and bacterial growth. Remove all persistent residues, taking care not to damage any tank coating system. Remove cleaning media and residues continuously from the tank during the washing process. Remove any residual wash media and wipe up residual moisture with clean lint-free cloths. Collect, contain, and dispose of all wash media, residues, and cleaning materials in accordance with all Federal, state, and local regulations. 3.3.4 Surface preservation. The Contractor must remove and retain the tank manhole cover(s). Prepare and coat 30 percent of the designated tank interior surfaces as designated by the Coast Guard Inspector, using the system specified for “Tanks and Voids (Potable Water Tanks)” in SFLC Std Spec 6310, Appendix B (Cutter and Boat Interior Painting Systems). Power tool clean all affected surfaces to “bare metal”, in lieu of using abrasive blasting; and feather edges of existing intact coating to the prepared areas, in order to provide a smooth transition with the new paint. Select finish/top color to match existing adjacent surfaces. 3.3.4.1 Heated air must be used if necessary to maintain the proper temperature during application and cure. Ventilation must be a continuous airflow with a minimum of one complete air change every four (4) hours. 3.3.4.2 Tanks must be cured in accordance with the manufacturer’s instructions for NSF/NEHC certification under the same conditions before being filled. note Typical curing times are at least 7 days, and range up to 14 days or longer, depending on the paint selected, amount of surface area covered, and environmental conditions. See paint manufacturer’s recommendations for specific application. CAUTION! Verify application and cure requirements with paint manufacturer prior to paint purchase and application. Lack of attention to environmental conditions can adversely impact paint system cure, cause unnecessary contract time delays, and negatively impact crew health and vessel habitability when tanks are put back into service. DO NOT assume paint Product Data Sheet to be accurate. Contact paint manufacturer directly to verify, as formulations change and new application information may be available. 3.3.4.3 Freshly painted potable water tanks must be rinsed at least twice with freshwater before being disinfected and put into service. 3.3.5 Inspection. After surface preparation and before coating app…