MARITIME SECURITY CUTTER LARGE (WMSL) 418' PROPULSION (SSN: 70Z08525WMSLSHAFT Amended)

The U.S. Coast Guard is soliciting proposals for propulsion shaft repair and refurbishment services for its 418' Maritime Security Cutter Large (WMSL) fleet under solicitation number 70Z08525RLREP0019. The procurement encompasses inspection, overhaul, preservation, packaging, and marking of three types of propulsion shafts: 14 Tail Propulsion Shafts, 12 Stern Tube Shafts, and 1 Line Propulsion Shaft. The contract will be structured as a Firm Fixed Price, Infinite Delivery Requirements (IDR) agreement with five one-year ordering periods, and evaluation will employ a trade-off source selection process that considers technical capability (personnel expertise, resources, and facilities), past performance, and price. Technical qualifications are critical, with offerors required to demonstrate expertise in shaft repair to original equipment manufacturer standards, including knowledge of welding, heat treatment, balancing, dimensional tolerances, and compliance with military specifications such as MIL-STD-2191 and MIL-STD-2199B. The response deadline has been extended multiple times and is currently set for December 19, 2025, at 12:00 PM, with questions due by October 3, 2025, at 2:00 PM EST.

This procurement has been designated as a sole-source requirement for the original equipment manufacturer, Rolls-Royce Marine North America, which manufactured the shafts for the WMSL 418' cutters, and is classified as a Women-Owned Small Business (WOSB) set-aside with a NAICS code of 332999 and a business size standard of 750 employees. The contract value estimates are based on an Independent Government Estimate that includes repair costs calculated at 65% of replacement cost, along with packaging and shipping, with a 6% annual inflation factor applied across the contract periods. The work will support maintenance for 10 WMSL cutters utilizing a rotatable pool of propulsion shafts during drydock availabilities over a five-year span from November 5, 2025, to November 4, 2030. All work will be performed in Alameda, California 94501, with the contract administered by the USCG Finance Center. Prospective offerors must submit comprehensive packages including cover letters, signed solicitation documents, past performance references, warranty information, and detailed pricing schedules as outlined in the specification and Schedule of Services attachments.