# Maintenance, Repair, and Preservation of Caisson 4-5 Spare

Canonical: https://abierto.us/opportunities/n4523a26r1001

- Solicitation number: N4523A26R1001
- Notice type: Solicitation (first published as sources sought)
- Status: Closed. Deadline was August 28, 2026 at 5:00 PM EDT
- Department: Department of the Navy
- Agency: Department of the Navy
- Contracting office: Puget Sound Naval Shipyard Imf (N4523A)
- NAICS: 336611 Ship Building and Repairing
- Product or service code: J019 Maintenance, Repair and Rebuilding of Equipment: Ships, Small Craft, Pontoons, and Floating Docks
- First posted: May 6, 2026
- Last posted: August 12, 2026
- SAM.gov: https://sam.gov/workspace/contract/opp/91cde31ec733419481b90303e2497319/view

## Description

12AUG2026 Amendment 0001 to answer Question and Answers to extend the solicitation from 14 Aug 2026 to 28 Aug 2026.

The Regional Maintenance Center at Puget Sound Naval Shipyard and Intermediate Maintenance Facility (PSNS and IMF), Bremerton, Washington intends to award a stand-alone Firm-Fixed-Price contract to accomplish maintenance, repair and preservation of one (1) Caisson 4-5 Spare.The Caisson 4-5 Spare characteristics are length: 147FT - 5IN, width: 27FT, height: 53FT - 11IN, full displacement: 1,565 L TONS, light load: 884 L TONS, maximum draft: 25FT - 11IN and hull material: steel.

The Contractors facility must possess the capability of one (1) Caisson with the dimensions as stated above. To facilitate proper government oversight, the facility shall be located in the Puget Sound, WA region. For this procurement, the Puget Sound, WA region is defined as the West Coast of the continental US, starting from Olympia, WA and extending northward to Bellingham, WA.

**Scope Overview:** Coordinate with the Contracting Officer, via the Contracting Officers Representative (COR) to deliver the Asset to the Contractors facility. Upon docking Asset, wash and clean Asset: Perform various base metal and structural repairs, Replace the port rubber seal and perform required inspections and maintenance of starboard seal. Conduct ultrasonic and visual inspections of the hull, weather deck, tanks, piping and operations deck. Clean and pump tanks. Maintain/replace deck hatches.

Install new mimic board. Test alarm systems. Clean ventilation. Replace all valves. Replace dewatering pumps. Replace grease lines and steady bearings. Replace actuator stands. Replace actuators. Replace valve-stem extension shafts. Remove, clean and reinstall rubber fendering. Preserve hull, weather deck, weather deck handrails, tanks, piping and operations deck. Replace zinc anodes. Conduct operational testing. Undock the Asset.

Arrange and coordinate the delivery of the Asset back to the Government with the Contracting Officer via the COR.The vessel availability is scheduled to be 6 April 2027 to 7 October 2027. This is full and open competition. All offerors must be registered with the System for Award Management (SAM) to receive award of Government contracts. Offerors are advised also that SAM representations and certifications can be completed electronically via the System for Award Management website at https://www.sam.gov.

## Publications

- May 6, 2026: Sources sought, due May 15, 2026 at 3:00 PM EDT. Notice 3dc0f116918b4bf4b17cb958dceb18ba. https://sam.gov/workspace/contract/opp/3dc0f116918b4bf4b17cb958dceb18ba/view
- June 11, 2026: Presolicitation, due June 26, 2026 at 3:00 PM EDT. Notice 3823911892434e198b95bec91a107e85. https://sam.gov/workspace/contract/opp/3823911892434e198b95bec91a107e85/view
- July 10, 2026: Solicitation, due August 14, 2026 at 5:00 PM EDT. Notice 362b381efa5749cfaccd8e7671b5dd18. https://sam.gov/workspace/contract/opp/362b381efa5749cfaccd8e7671b5dd18/view
- July 10, 2026: Solicitation, due August 14, 2026 at 5:00 PM EDT. Notice 61a91a4b37bd4b529163a684b3aa1c19. https://sam.gov/workspace/contract/opp/61a91a4b37bd4b529163a684b3aa1c19/view
- August 12, 2026: Solicitation, due August 28, 2026 at 5:00 PM EDT. Notice 8ed019d919cd4dfeb0a2163fb0876429. https://sam.gov/workspace/contract/opp/8ed019d919cd4dfeb0a2163fb0876429/view
- August 12, 2026: Solicitation, due August 28, 2026 at 5:00 PM EDT. Notice 91cde31ec733419481b90303e2497319. https://sam.gov/workspace/contract/opp/91cde31ec733419481b90303e2497319/view

## Points of contact

- ALICE ROBERTSON, alice.n.robertson.civ@us.navy.mil
- Chris Davidson, christopher.t.davidson7.civ@us.navy.mil

---
Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/n4523a26r1001.