The National Oceanic and Atmospheric Administration (NOAA) is seeking proposals for the Service Life Extension Program (SLEP) repairs to the NOAA Ship Henry B. Bigelow, a critical asset for marine and atmospheric operations. The procurement involves extensive repairs and upgrades, including structural work, vessel repowering, and the replacement of key systems such as dynamic positioning, fire alarm systems, and various pumps and refrigeration units. The estimated repair period is set to last 14 months, commencing in February 2028 and concluding by April 2029, with a Request for Proposal (RFP) anticipated in December 2025 and proposals due by February 2026. Interested contractors must be registered in SAM.gov and can contact Tamara Horton at Tamara.Horton@noaa.gov or Andrew Northcutt at andrew.northcutt@noaa.gov for further details.

Henry Bigelow FSV Midlife Extension Program.pdf

NOAA's Eastern Acquisition Division is soliciting proposals for Service Life Extension Program (SLEP) repairs to the NOAA Ship Henry B. Bigelow. This pre-solicitation synopsis outlines extensive repairs, including structural work, vessel repowering, system replacements (e.g., dynamic positioning, fire alarm, radars, pumps, AC plants, refrigeration), and various inspections and overhauls. The estimated 14-month repair period is set to begin in February 2028 and conclude by April 2029. Optional work items are also detailed. The Request for Proposal (RFP) is anticipated for December 2025, with proposals due in February 2026. This is a full and open competition, with a firm fixed-price contract expected. Interested contractors must be registered in SAM.gov.

THIS IS A SYNOPSIS NOTICE ONLY. This is not a solicitation or request for proposal and no purchase order will be awarded from this notice.

The National Oceanic and Atmospheric Administration (NOAA), Eastern Acquisition Division (EAD), on behalf of the Office of Marine and Aviation Operations (OMAO), is soliciting for the Service Life Extension Program (SLEP) repairs to NOAA Ship *HENRY B. BIGELOW.* The *HENRY B. BIGELOW* is 209 feet long overall and its home port is Newport, RI.

The performance period will begin immediately after award for procurement of long lead time materials and equipment, planning, and other logistics requirements for the successful performance of the contract. The repair period for work on board the NOAA Ship *HENRY B. BIGELOW* is estimated to be 14 months, with an estimated start date on or about February 15, 2028 and an estimated completion date on or about April 14, 2029. Ship’s transit time to and from the place of performance is not included in the specified repair period.

Due to the ship’s schedule, information regarding a site visit will be addressed at time of solicitation or with an amendment.  However, due to the ship’s schedule, a site visit is not guaranteed.

Base Work Items associated with this availability include but are not limited to the following:

Install Diesel Exhaust Fluid (Urea) Tank & Delivery System, Structural Repairs to Hull & House, Install Drainage Modification Wet Lab, Replace Mast, Inspect & Service Sliding Water Tight Doors, Vessel Repowering, Tail Shaft Removal & Replacement, Inspect & Service Thrust & Line Shaft Bearings, Replace Propeller Blades & Hub,    Bow Thruster Inspections & Overhaul, Remove Unused Cabling, Service ROXTEC Cable Transits, Overhaul Emergency Generator, Service & Inspect Transformers, Control Center Inspections & Maintenance, Inspections & Maintenance Emergency Switchboard, Convert Auxiliary Electric Motors to 480V, Replace VHF & HF Antennas, Replace Dynamic Positioning System, Replace Fire & Alarm Detection System (FAD), Replace Furuno S Band Radar, Replace Furuno X Band Radar, Replace Ship Service Pumps, Replace Through Hull Piping Penetrations, Replace Flexible Couplings & Hoses, Replace Tank & Void Vents, Replace Ventilation Ducting, Replace Ventilation Fans, Replace Air Conditioning (AC) Plants, Replace Refrigeration Systems, Fire Main Systems Repairs, Renew Seawater Piping Systems Valves, Drain & Gray Piping Repairs, Install Reverse Osmosis (RO) Water Makers, Rebuild Fuel Oil Purifiers, Service Oily Water Separator (OWS), Service Air Compressors & Replace Storage Cylinders, Inspect Fixed & Portable Fire Fighting Equipment, Inspect & Service RAPP Hydraulic Power Unit (HPU), Inspect & Service Appleton Hydraulic Power Unit (HPU), Workboat Davit Installation, Replace Hydraulic Hoses, Inspect & Service Centerboard Hydraulic Power Unit (HPU), Rudder Service & Inspections, Replace Bow Crane, Replace Starboard A-Frame, Anchor Windlass Inspect & Overhaul, Annual Life Raft Inspections, Trawl System Equipment Servicing, Service Trawl Blocks, Overhaul MSD System, Flush & Test Auxiliary & Main Salt Water Piping, Overhaul Rescue Boat Davit, Replace Main Seawater Overboard Discharge Piping, Modify Hull Marking Designations, Portlight & Window Maintenance, Preservation Underwater Hull, Preservation Exterior Decks, Preservation Freeboard, Preservation of Deck House, Stack, & Mast, Preservation Deck Machinery, Preservation Chain Locker, Preservation Ballast Tanks, Preservation Miscellaneous Tanks, Service & Inspect Cathelco Anti-Fouling & Impress Current System, Hull Anode Replacement, Refresh Wet Lab, Modify Berthing 2nd Deck, Replace Galley Appliances, Drawing Updates, Vessel Inclining, New Equipment, Spare Parts, & Special Tools, Technical Documents, Weight Control, Crew Training, Dock Trials, Sea Trials, Conduct ABS & USCG 5 Year Special Surveys, Weight Testing of Cranes, A-Frames & Davits, Utilities & Services, Cleaning & Protective Coverings, Extended Drydocking, and Underwater Body Inspections & Repairs.

Optional Work Items associated with this availability which include but are not limited to the following:

Miscellaneous Steel Repair, Trawl & Oceo Winch Room Flush Hatch Repair, Service Forward Mast, Trawl-way Deck Covering Renewal, Miscellaneous Piping Repair, Replace Tank Level Indicators (TLI), Miscellaneous Insulation & Lagging Repairs, Replace Air Circulation Units (ACU)  , Replace Water Heaters, Crane Replacement (port) and Maintenance (stbd), Replace Hydro Winches, General Repairs to Railings, Interior Bulkhead Painting, Interior Joiner Door Painting, Void Preservation, Bilge Preservation, Deck Covering Replacement, Install Sheathing, and Sound Proof Stateroom Overheads.

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