U.S. Coast Guard Releases RFP for 47-Foot Motor Lifeboat Service Life Extension Program

The U.S. Coast Guard (USCG) has released a request for proposal (RFP) on Nov. 21 for the purpose of acquiring services and supplies for the 47-foot motor lifeboat (MLB) service life extension program (SLEP) as part of the In-Service Vessel Sustainment (ISVS) program.

The Coast Guard proposes to award one Firm-Fixed Price Indefinite Delivery Indefinite Quantity (IDIQ) contract resulting from this RFP. The contract shall have an ordering period of 10 years from date of contract award.

Requests for information were released for the MLB in September 2016, November 2017 and July 2018.

The fleet of more than 100 MLBs has been in service for 15 to 21 years and is approaching the end of its planned 25-year service life. Operational availability has been limited by parts availability and obsolescence issues; the SLEP will extend the useful life of the MLB by 20 years. The original operational capabilities and characteristics of the service’s primary search and rescue platform in surf and heavy weather conditions will effectively remain the same, while efforts to enhance human system integration will be made where practical.

“The 47’ MLB has been the Coast Guard’s most prominent surf-capable boat for over 20 years,” said Cmdr. David Obermeier, deputy program manager for boats acquisitions. “Through the SLEP, we are excited to extend that capability for another two decades by delivering a more resilient and sustainable MLB back to the fleet.”

The MLB has been used to save over 6,000 lives, assist over 44,000 mariners and protect over $520 million in property.

The RFP can be found here. The deadline to submit responses is Feb. 22, 2019, at 11:00 a.m. EST.

47-foot Motor Lifeboat

The 47-foot MLB is the standard lifeboat of the U.S. Coast Guard (USCG) built by Textron Marine & Land Systems. The 47′ MLB is the successor to the 44′ MLB.

The 47′ MLB is designed to weather hurricane force winds and heavy seas, capable of surviving winds up to 60 knots (110 km/h), breaking surf up to 6 m (20 ft) and impacts up to three G’s. If the boat should capsize, it self-rights in less than ten seconds with all equipment fully functional.

The boat’s hull and superstructure are constructed entirely from 5456 marine grade aluminum. Designed with a hard chineddeep “V” planing hull, the 47′ MLB exceeds its hull speed. The frame is composed of 17 vertical bulkhead frames, each of which is welded to the deck and hull, and five of which are watertight.

Employing “fly-by-wire” control systems, the boat can be operated from four different locations: two from the enclosed bridge, and two amidships from an open bridge.

Situated less than 1 ft (30 cm) above the water line are recessed retrieval wells, allowing for easier recovery of persons and jetsam, and easier boardings. A watertight survivor’s compartment is equipped for comprehensive first aid. It is situated at the combined center of rotation of the ship.



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