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Coast Guard Cutter Elm departed from the Coast Guard Yard in Curtis Bay, Maryland, June 13, 2019, following completion of its midlife maintenance availability (MMA) through the In-Service Vessel Sustainment (ISVS) Program.


Coast Guard Cutter Sycamore arrived at the Coast Guard Yard in Curtis Bay, Maryland, March 25, 2019, to begin its midlife maintenance availability as part of the ISVS Program.


Coast Guard Cutter Thunder Bay departed from the Coast Guard Yard in Curtis Bay, Maryland, Dec. 11, 2018, following completion of its service life extension project (SLEP) as part of the ISVS Program.

In-Service Vessel Sustainment Program


In-Service Vessel Sustainment (ISVS) is the Coast Guard’s strategic class-by-class evaluation of its vessels to determine what major maintenance and upgrades are necessary for them to reach or extend their service lives.

Why this program?

As vessels age, systems become obsolete and the cost and time spent on maintenance becomes prohibitive. The Coast Guard has determined that strategic major maintenance and recapitalization can improve reliability of its vessels, help control maintenance costs, and increase time underway conducting missions. If necessary, additional work can be completed to allow vessels to operate efficiently past their service life until replacements are procured. Systematic evaluation of Coast Guard surface assets and creation of a recurring Acquisition Construction and Improvement funding stream through ISVS provides a cost-effective way to ensure the service has the surface assets necessary to complete its missions. ISVS work can be classified as service life extension projects, midlife maintenance availabilities (MMAs) or mission effectiveness projects.

A cutter capital asset management plan, which lays out a system of evaluative criteria, was developed to prioritize cutter classes to be included in the ISVS program. The 140-foot icebreaking tug was identified as the highest priority; the project started in 2014 with the objective of accomplishing a 15-year service life extension of the nine-vessel fleet. MMA work on the 225-foot seagoing buoy tenders began in July 2015. A four-year project to extend the service life of Coast Guard Cutter Eagle – the Coast Guard’s sail training ship –ended in 2018.

The ISVS program is the successor of the Mission Effectiveness Project (MEP), which replaced systems on the 210-foot and 270-foot medium endurance cutters and the 110-foot Island-class patrol boats to extend their operational lives until the arrival of new national security cutters, fast response cutters and offshore patrol cutters.

How are upgrades implemented?

All ISVS program work is performed using the most cost-effective option to meet cost and schedule requirements. All current ISVS program work is performed by the Coast Guard at the Coast Guard Yard in Curtis Bay, Maryland. The yard demonstrated its ability to efficiently plan and execute major ship overhaul projects during MEP.

 

The In-Service Vessel Sustainment program is part of the Coast Guard’s long-term recapitalization and sustainment strategy for the in-service fleet of cutters.

The ISVS program consists of three kinds of projects:

  • Mission effectiveness project – Has four major objectives: sustainment of capabilities; replacement of obsolete, unsupportable or maintenance-intensive equipment; completion of major maintenance; and standardization of configuration items.
  • Midlife maintenance availability (MMA) – A planned part of a ship’s life cycle. Design service life is established with an understanding that a major overhaul will be completed near the midpoint of a ship’s life. MMAs facilitate fleet maintenance and increase each cutter’s availability for its operational commander during the second half of the design service life.
  • Service life extension project (SLEP) – Addresses specific systems and major maintenance to extend the service life of the vessel beyond the original design service life. A SLEP is not designed to increase a ship’s capability; it only extends the service life of the cutter by replacing obsolete, unsupportable or maintenance-intensive equipment and by seeking standardization of configuration issues.

Current ISVS projects:

  • Service life extension project for the 140-foot Bay-class icebreaking tug, to restore mission readiness and extend the service life of this nine-cutter fleet by approximately 15 years. The fleet was commissioned between 1978 and 1988, with most hulls operating beyond their planned 30-year service life. Critical reliability and supportability issues have severely degraded the fleet’s mission readiness. Planned efforts include repair of corroded and damaged hull plating, structural refurbishment and replacement of unsupportable or maintenance-intensive equipment. The Coast Guard has completed three vessels’ SLEPs and begun work on two more. Work on Coast Guard Cutter Neah Bay began in May 2016, and work on Coast Guard Cutter Sturgeon Bay began in October 2016.
  • Service life extension project for Coast Guard Cutter Eagle, the Coast Guard’s sail training ship. This project is being carried out in four phases so the ship can remain available for its summer training missions each year. The first phase, which began September 2014 and ended May 2015, included habitability upgrades, hazardous material remediation and other maintenance. Phase 2 took place from September 2015 to March 2016 and included continued berthing area renovations and a mainmast inspection. In the third phase, which began in September 2016, the ship will undergo hull plate renewal, continued lead coating abatement and habitability improvements. The last phase will begin in September 2017 and will include a replacement of the main propulsion system. The goal is to extend the service life of individual systems by 15 years.
  • Midlife maintenance availability for 225-foot Juniper-class seagoing buoy tender (WLB), to ensure the vessels achieve the full 30-year designed service life. The fleet was commissioned between 1996 and 2004, so many are beyond the midlife point, with 11 to 19 years of service. Planned efforts include completion of hull and structural repairs and replacement of obsolete, unsupportable or maintenance-intensive equipment, including updates to machinery control system, propellers and HVAC systems. Coast Guard Cutter Oak, the first 225-foot seagoing buoy tender and the first vessel to undergo an MMA within ISVS, completed three months of work in October 2016. The second WLB to undergo an MMA, Coast Guard Cutter Willow, entered the Coast Guard Yard in July 2016.
  • Service life extension project for the 47-foot motor lifeboat (MLB), to reduce support costs and improve operational availability. The service life extension work will significantly overhaul up to 107 of the service’s 117 47-foot MLB fleet and has been reassigned to the Boats Acquisition Program to take advantage of the program’s subject matter expertise. This project is currently in the design phase and will provide the fleet with effective oversight for future upgrades, maintenance and logistics planning. The SLEP will renew the propulsion, electrical, steering, towing, navigation, and hull and structural systems, among other work.

ISVS: In the News

2019

June 13, 2019 - Renovation Completed On Fifth 225-Foot Seagoing Buoy Tender

March 29, 2019 - Seventh 225-Foot Seagoing Buoy Tender Arrives For Midlife Maintenance Availability

2018

Dec. 20, 2018 - Renovation Completed On Seventh 140-foot Icebreaking Tug

Nov. 26, 2018 - RFP Released For 47-Foot Motor Lifeboat Service Life Extension Program

Nov. 9, 2018 - Renovation Completed On Fourth 225-Foot Seagoing Buoy Tender

Oct. 22, 2018 - Service Life Extension Work Completed On Sixth 140-foot Icebreaking Tug

Sept. 11, 2018 - Coast Guard Begins Renovation of Eighth 140-foot Icebreaking Tug

July 30, 2018 - New Leaders Take Command At Legacy Sustainment Support Unit and Project Resident Office Gulf Coast

July 19, 2018 - Coast Guard Releases Request For Information For Polar Star Service Life Extension Project

July 13, 2018 - Third Round of Industry Input Sought On 47-Foot Motor Lifeboat Service Life Extension Program

June 11, 2018 - Renovation Completed On Third 225-Foot Seagoing Buoy Tender

April 27, 2018 - Coast Guard Celebrates Completion Of Service Life Extension Work On Eagle

March 22, 2018 - Coast Guard Cutter Eagle Undocks, Approaches Completion Of Renovations

Jan. 30, 2018 - Fifth 225-Foot Seagoing Buoy Tender Arrives For Midlife Maintenance Availability

2017

Dec. 11, 2017 - Industry Input Sought On 47-Foot Motor Lifeboat Service Life Extension Program

Nov. 20, 2017 - Renovations Complete On Fifth 140-Foot Icebreaking Tug

Nov. 16, 2017 - Seventh 140-Foot Icebreaking Tug Arrives For Renovation Work

Sept. 11, 2017 - Coast Guard Cutter Eagle Arrives For Final Renovation Phase

Sept. 1, 2017 - Fourth 225-Foot Seagoing Buoy Tender Arrives For Midlife Maintenance Availability

Aug. 7, 2017 - Renovation Completed On Second 225-Foot Seagoing Buoy Tender

May 16, 2017 - Coast Guard Cutter Katmai Bay Arrives At Yard

April 28, 2017 - Acquisition Update: Coast Guard Cutter Eagle Completes Phase 3 Of Renovation

Feb. 23, 2017 - Renovation Begins On Third 225-Foot Seagoing Buoy Tender

2016

Nov. 7, 2016 - First 225-Foot Seagoing Buoy Tender Completes Overhaul

Oct. 28, 2016 - Coast Guard Begins Renovation Of Fifth 140-foot Icebreaking Tug

Sept. 28, 2016 - Acquisition Update: In-Service Vessel Sustainment Program Continues Progress

March 22, 2016 - Coast Guard Completes Second Phase Of Eagle Renovations

2015

Sept. 22, 2015 - Acquisition Update: In-Service Vessel Sustainment Program Expands; Eagle Returns For Phase 2 Of Renovations

July 9, 2015 - First 225-Foot Seagoing Buoy Tender Begins Midlife Maintenance Availability

Feb. 5, 2015 - Second 140-foot Icebreaking Tug Starts Renovation Process

2014

Oct. 30, 2014 - Coast Guard Yard Commences Eagle Renovations

Sept. 29, 2014 - Acquisition Update: Coast Guard Yard Completes Medium Endurance Cutter Rehab; Transitions to Other Cutters

2013

March 20, 2013 - Mikulski Fights to Protect Jobs at U.S. Coast Guard Yard at Curtis Bay in Senate Passed Continuing Resolution