Opportunity

SAM #N6247026R0031

Design-Bid-Build Overhaul of Dry Dock 2 Caisson at Portsmouth Naval Shipyard

Buyer

NAVFAC Atlantic

Posted

June 03, 2026

Respond By

June 17, 2026

Identifier

N6247026R0031

NAICS

237990, 336611

NAVFAC Atlantic Command is seeking qualified contractors for a Design-Bid-Build overhaul of the Dry Dock 2 Caisson at Portsmouth Naval Shipyard in Kittery, Maine. - Government Buyer: - Department of Defense, Department of the Navy - Naval Facilities Engineering Systems Command (NAVFAC) Atlantic - Commander, Navy Installations Command (CNIC) - Project Scope: - Overhaul of Dry Dock 2 Caisson - Caisson seat extension and vertical extension to maintain certification - Continuous flood protection from Berth 6 through the caisson to Berth 5 - Portions of work must be performed with the caisson out of the water - Requirements: - Contractors must have experience with caisson or floating vessel construction, repair, and certification - Relevant project experience should be valued at $10M or more - NAICS code 237990 (Other Heavy and Civil Engineering Construction) - Open to large and small businesses, including SBA-certified 8(a), HUBZone, SDVOSB, WOSB, and EDWOSB firms - No specific OEMs, vendors, products, or part numbers are mentioned - Estimated contract value: $10M–$25M

Description

The Government is contemplating an award of a Commander, Navy Installations Command (CNIC) Design-Bid-Build, RM-23-1146 Dry Dock 2 Caisson Overhaul at Portsmouth Naval Shipyard (PNSY) in Kittery, Maine. This project performs a required overhaul of the Dry Dock 2 Caisson to maintain certification. This also includes caisson seat extension and vertical extension of the existing caisson to provide continuous flood protection from Berth 6 through the caisson and to Berth 5. Portions of work will need to be performed with the caisson out of the water.

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