This Government Contract opportunity from Department Of Homeland Security was posted on August 12, 2026. The submission period has ended. Browse the details below for market research, or find similar active opportunities.

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Caterpillar 3512B Engine Overhaul

Closed

Federal

Submission Closed09/11/2026, 03:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

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NAICS: 336611

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DIBBS

PANEL, VEHICULAR OPERAT

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Hull and Structural Steel RepairThis subcontract for Hull and Structural Steel Repair involves providing specialized steel fabrication and welding services for prime contractors supporting Puget Sound Naval Shipyard IMF projects. The scope of work includes the removal of chevron retaining hardware, the modification of rubber fender retention according to drawing SK10901, and the repair of rubber fender straps located at the bow and stern. All welding activities must strictly adhere to ANSI/AWS D1.1/D1.2 standards to ensure the structural integrity of the delivered hull components. Managed under the Department of Defense with a NAICS code of 336611, the project focuses on the delivery of modified and repaired hull structures. The solicitation was posted on October 27, 2026, with a response deadline set for November 3, 2026.

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POSTED

DEADLINE

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Solicitation # N6264927QL003

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DEADLINE

BIG BLUE 3 MAC - N64498-26-Q-5284

Solicitation # N6449826Q5284

The BIG BLUE 3 MAC solicitation, identified by number N6449826Q5284, is issued by the Department of Defense through the Naval Surface Warfare Center Philadelphia Division. This procurement falls under NAICS code 336611, indicating a focus on the manufacture of boat and marine vessel engines. The opportunity was posted on October 27, 2026, with a response deadline set for November 2, 2026. The contracting office is located in Philadelphia, Pennsylvania. Interested parties may coordinate with the primary point of contact, Anthony Ricciardi, for further inquiries. Detailed specifications and submission requirements can be accessed via the provided government portals.

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CGC-HENRY-BLAKE-DRYDOCK-REPAIRS

Solicitation # CGC-HENRY-BLAKE-DRYDOCK-REPAIRS

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Maintenance, Repair, and Preservation of YT-812

Solicitation # N4523A27Q1003

The Puget Sound Naval Shipyard and Intermediate Maintenance Facility is conducting market research to identify capable industry sources for the maintenance, repair, and preservation of the YT-812, a 90-foot steel-hulled medium yard tug. The anticipated period of performance is from July 2027 through September 2027. To ensure proper government oversight, the work must be performed at a contractor facility located within the Puget Sound, Washington region, specifically between Olympia and Bellingham. The comprehensive scope of work includes docking and undocking the vessel, performing ultrasonic and visual inspections of the hull and decks, and executing extensive blasting and preservation of the underwater hull, freeboard, and non-skid surfaces. Technical requirements involve repairing hull and winch valves, modifying winch control and air piping, installing an automatic voltage regulator, and performing interval inspections and repairs on Schottel Z-drive units and twin disc transmission coolers. The contractor must adhere to strict quality standards, including ANSI/AWS D1.1/D1.2 welding standards and MIL-PRF specifications for coatings. Interested respondents must submit a notice of interest by November 3, 2026, detailing their business size under NAICS code 336611, past performance, and technical capabilities. The government is specifically looking for firms with a satisfactory performance record and a current Agreement for Boat Repair or Master Ship Repair Agreement issued by NAVSEA. This sources sought notice is for planning purposes only and does not constitute a formal request for quotations.

Puget Sound Naval Shipyard IMF

POSTED

DEADLINE

Solicitation # N6817127QN006

Solicitation N6817127QN006 is a request for a firm fixed price contract to perform voyage repairs for the USS RAFAEL PERALTA (DDG 115) in Mombasa, Kenya. The period of performance is scheduled from November 12, 2026, to November 19, 2026. The scope of work includes hull maintenance such as high-pressure washing and corrosion removal, systems repair involving the cleaning and inspection of refrigeration and air conditioning plant condensers, and general services including the provision of rigging, scaffolding, and furniture upholstery replacement. All work must adhere to NAVSEA Standard Items (FY27 CH-2) and specification package #NAPL-009-27, with safety standards governed by OSHA Part 1915 for shipyard employment. The contract will be awarded to the Lowest Priced Technically Acceptable offeror, with technical capabilities evaluated on an acceptable or unacceptable basis. Prospective contractors must be registered in the System for Award Management and submit quotes in English and US dollars by October 30, 2026. Required submission documentation includes Standard Forms 18 and 30, a completed price breakdown, and a signed non-disclosure agreement. Administration is managed by the Navsup Flc Sigonella Naples Office, with electronic invoicing processed through Wide Area WorkFlow. Key compliance requirements include the Defense Base Act for workers compensation and the submission of a detailed Test and Inspection Plan prior to the commencement of work.

Navsup Flc Sigonella Naples Office

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DEADLINE

Solicitation # N0016727Q0001

The Naval Surface Warfare Center Carderock Division is seeking a small business contractor under NAICS code 336611 to manufacture and deliver 96 tailcone studs, organized as eight shipsets of 12 studs each. This firm fixed price contract requires the contractor to provide all labor, equipment, and materials to produce the hardware in accordance with specific technical drawings and ASME B1.3 System 21 thread acceptability standards. The contractor must maintain a quality system meeting ISO 9001:2015 or later and ensure all material certifications comply with DFARS specialty metals restrictions. Deliverables include the hardware, a digital final certification technical report, and certificates of conformance. The period of performance is three months from the date of award, with final delivery to West Bethesda, Maryland. Packaging requirements are stringent, requiring each shipset to be individually packaged with a hardcopy certification package and then consolidated into a single watertight, heavy-duty hard plastic container. Marking must adhere to MIL-STD-130 and MIL-STD-129, utilizing two-dimensional data matrix symbology for unique identification. Award will be granted to the responsible quoter with a technically acceptable quote deemed most advantageous based on price and past performance. The contract also mandates strict cybersecurity compliance, including CMMC requirements and the safeguarding of covered defense information.

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F&W, 2018 Munson Packman Boat Repower project

Solicitation # 2018 Munson Packman Boat Repower

The Confederated Tribes of the Colville Reservation Fish and Wildlife Department is seeking a factory-certified marine contractor to perform a complete propulsion repower and helm system integration for a 30 foot Munson Packman landing craft. The project involves a six-phase process including the decommissioning and removal of two existing Honda BF250A outboard engines, a structural assessment of the transom, and the installation of two new Honda BF250D Drive-by-Wire outboards. Key technical requirements include the installation of new-generation Honda iST electronic control heads at primary and secondary helm stations, integration with the existing NMEA 2000 backbone and SeaStar PA1315-2 Power Assist Steering system, and a comprehensive fuel system upgrade using USCG Type A1-15 lines. The project concludes with static diagnostics and a minimum two-hour sea trial to validate performance and safety protocols. The Tribe will deliver the vessel to the contractor's facility, which must provide a secure, fenced yard or indoor shop. Proposals are due by November 13, 2026, and must be submitted in PDF format. Evaluation is based on a 100-point scale with significant preference given to Colville Business Enterprises and other Indian-owned businesses. Award criteria prioritize reliability and effectiveness over the lowest cost. Selected contractors must provide proof of Honda Marine Authorized Dealer status, maintain appropriate liability insurance, and agree to either a 25 percent retainage or a performance bond, with a bond being mandatory for contracts exceeding 100,000 dollars. All payments are subject to the Tribes appropriation process and availability of funds.

Confederated Tribes of the Colville Reservation

POSTED

1 day ago

DEADLINE

in 17 days

AI Contract Overview

This subcontract involves the major overhaul of one Caterpillar 3512B Ship Service Diesel Generator engine for the USCGC MIDGETT in Honolulu, Hawaii. The project is managed by the Department of Homeland Security through the Sflc Procurement Branch 2 and is designated as a total small business set-aside under NAICS code 336611. The selected contractor must possess experience in comparable marine diesel engine overhauls and utilize specialized tooling to complete the work within a strict 21-day performance window. The final deliverable is a fully overhauled and operational SSDG engine. Responses to the solicitation are due by September 11, 2026.

General Info

Overhaul one Caterpillar 3512B engine for USCGC MIDGETT in Hawaii by September 2026.

Agency

Department Of Homeland Security → Sflc Procurement Branch 2(00085)

NAICS

336611 - Ship Building and Repairing

Place of Performance

Honolulu, HI, 96819, USA

Set-Aside

SBA

Documents

This scope was carved out of 70Z08526SS26224.

The full solicitation package (1 document), including the RFP, is on the prime solicitation, not on this scope.

View the prime solicitation

SOURCES SOUGHT: CGC MIDGETT SSDG ENGINE OVERHAUL

AI Contract Breakdown

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Timeline

PhaseClosed

PostedAug 12

subcontract

Response DeadlineSep 11

Deadline has passed

Submission Closed

09/11/2026, 03:00:00 PM UTC

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Organization & Contact Information

AgencyDepartment Of Homeland Security → Sflc Procurement Branch 2(00085)

ContactsNo contacts available

OfficeN/A

Organization / AgencyDepartment Of Homeland Security → Sflc Procurement Branch 2(00085)

Office AddressN/A

ContactsNo contact information available

Full Description

Performs a major overhaul of one Ship Service Diesel Generator (SSDG) engine for prime contractors on U.S. Coast Guard vessel projects, here the USCGC MIDGETT in Honolulu, HI. Executes a major overhaul on a Caterpillar 3512B diesel engine using specialized tooling within a 21-day performance window. Requires experience in comparable marine diesel engine overhauls. Delivers a fully overhauled and operational SSDG engine.