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    1. Home
    2. /Gov Explore
    3. /PSC Codes
    4. /PSC Z1LC

    Product & Service Code

    PSC Z1LC: MAINTENANCE OF TUNNELS AND SUBSURFACE STRUCTURES

    21 contracts match PSC Z1LC (MAINTENANCE OF TUNNELS AND SUBSURFACE STRUCTURES). Previewing the latest 10 opportunities and the buyer and NAICS mix behind this procurement category.
    PSC Z1LCPreviewing 10 opportunities
    View PSC definition →
    Contracts
    21
    Records under this PSC
    Agencies in Preview
    4
    Distinct buyers in the latest sample
    NAICS in Preview
    5
    Adjacent demand lanes

    Latest opportunities

    Previewing the latest 10 opportunities classified under PSC Z1LC.

    DEPARTMENT OF VETERANS AFFAIRS

    Z1LC--CTX Steam Tunnel Repairs

    Archived

    AI Summary

    The Central Texas Veterans Health Care System requires services for repairs to the steam tunnel system at the Olin E. Teague Veterans Medical Center. The project includes labor, materials, and compliance with VA standards. A site visit is recommended on June 20, 2026. Bids are due by July 22, 2026.

    TX

    Posted Jul 15, 2026Due Jul 22, 2026Combined Synopsis/SolicitationNAICS 237990Service-Disabled Veteran-Owned Small Business (SDVOSB) Set-Aside (FAR 19.14)Sol: 36C25726Q0687
    View details→

    DEPARTMENT OF TRANSPORTATION

    Eisenhower Lock Tunnel Pressure Grout Repairs

    Archived

    AI Summary

    The Department of Transportation is soliciting quotes for pressure grouting repairs at the Eisenhower Lock Tunnel to address water infiltration. This is a Total Small Business Set Aside under FAR Part 12 and 36. Quotes are due by July 14, 2026, with a site visit scheduled for June 23, 2026. Interested contractors must …

    NY

    Posted Jun 25, 2026Due Jul 14, 2026Combined Synopsis/SolicitationNAICS 238990Total Small Business Set-Aside (FAR 19.5)Sol: 6923G526Q0069
    View details→

    DEPARTMENT OF THE INTERIOR

    Z--DEEP CLEAN BARRY BAKER TUNNEL (PRESSURE WASH) SERV

    Archived

    AI Summary

    The Department of the Interior is seeking services for deep cleaning the Barry Baker Tunnel through pressure washing. This opportunity is set aside for small businesses and includes attachments for Q&A and sign-in sheets. The submission deadline remains unchanged.

    CA

    Posted May 5, 2026Due May 11, 2026Combined Synopsis/SolicitationNAICS 561990Total Small Business Set-Aside (FAR 19.5)Sol: 140P8626Q0029
    View details→

    DEPT OF DEFENSE

    J&A FOR MODIFICATION SCOPE CHANGE TO W912HZ24C0046

    Archived

    AI Summary

    The US Army Engineer Research and Development Center requires services to update, repair, and maintain components of the Border Tunnel Activity Detection System prototype at two test locations. This opportunity is classified under NAICS code 811210 and is a formal request for proposals.

    MS

    Posted Sep 15, 2025JustificationNAICS 811210Sol: W912HZ24C0046
    View details→

    DEPT OF DEFENSE

    NOTICE OF INTENT TO SOLE SOURCE, BORDER TUNNEL ACTIVITY DETECTION SYSTEM MAINTENANCE

    Archived

    AI Summary

    The U.S. Army Corps of Engineers intends to modify an existing contract with RTX BBN Technologies, Inc. for the maintenance of a Border Tunnel Activity Detection System. This sole-source action is due to RTX BBN's unique capability to update, repair, and service the system. While this notice is informational and not a …

    MS

    Posted Mar 20, 2025Due Mar 27, 2025Special NoticeNAICS 811210Sol: W912HZ25N0158
    View details→

    DEPT OF DEFENSE

    RAW WATER LINE CLEANING & RESTORATION

    Archived

    AI Summary

    The Department of Defense, specifically the Department of the Navy, has issued a combined synopsis/solicitation for a project focused on the cleaning and restoration of raw water lines. Proposals are due by August 16, 2024, at 2:00 PM Eastern Time. This opportunity falls under NAICS Code 238220 and is set aside for Sma…

    VA

    Posted Aug 6, 2024Due Aug 16, 2024Combined Synopsis/SolicitationNAICS 238220Total Small Business Set-Aside (FAR 19.5)Sol: N4008524R2733
    View details→

    DEPT OF DEFENSE

    RAW WATER LINE CLEANING & RESTORATION

    Archived

    AI Summary

    The Department of Defense, specifically the Department of the Navy, has issued a combined synopsis/solicitation for a project focused on the cleaning and restoration of raw water lines. Proposals are due by August 8, 2024, at 2:00 PM Eastern Time. This opportunity falls under NAICS Code 238220 and is set aside for Smal…

    VA

    Posted Aug 1, 2024Due Aug 8, 2024Combined Synopsis/SolicitationNAICS 238220Total Small Business Set-Aside (FAR 19.5)Sol: N4008524R2733
    View details→

    DEPT OF DEFENSE

    RAW WATER LINE CLEANING & RESTORATION

    Archived

    AI Summary

    The Department of Defense, specifically the Department of the Navy, has issued a contract opportunity for Raw Water Line Cleaning & Restoration at ROICC Camp Lejeune. The project deadline is August 1, 2024, at 2:00 PM EST. Only Mechanical MACC Contractors listed on the General Requirements cover page are eligible to su…

    VA

    Posted Jul 22, 2024Due Aug 1, 2024Combined Synopsis/SolicitationNAICS 238220Total Small Business Set-Aside (FAR 19.5)Sol: N4008524R2733
    View details→

    DEPT OF DEFENSE

    RAW WATER LINE CLEANING & RESTORATION

    Archived

    AI Summary

    The Department of Defense, specifically the Department of the Navy, has issued a contract opportunity for Raw Water Line Cleaning & Restoration at ROICC Camp Lejeune. The project deadline is July 1, 2024, at 2:00 PM EST. Only Mechanical MACC Contractors listed on the General Requirements cover page are eligible to subm…

    VA

    Posted Jul 1, 2024Due Jul 1, 2024Combined Synopsis/SolicitationNAICS 238220Total Small Business Set-Aside (FAR 19.5)Sol: N4008524R2733
    View details→

    DEPARTMENT OF THE INTERIOR

    Z--CLEAR CREEK TUNNEL LINING REPAIR

    Archived

    AI Summary

    The Department of the Interior, Bureau of Reclamation, has issued a contract opportunity for the Clear Creek Tunnel Lining Repair project. The project involves repairing the lining of the Clear Creek Power Conduit Tunnel. The deadline for submitting bids is June 24, 2024, at 3:00 PM (PDT). Interested bidders should rev…

    CA

    Posted Jun 18, 2024Due Jun 24, 2024SolicitationNAICS 237990Total Small Business Set-Aside (FAR 19.5)Sol: 140R2024R0013
    View details→

    Buyer snapshot

    Agencies and NAICS codes visible in the latest PSC sample.

    Agencies in Preview

    DEPARTMENT OF VETERANS AFFAIRS→DEPARTMENT OF TRANSPORTATION→DEPARTMENT OF THE INTERIOR→DEPT OF DEFENSE→

    Adjacent NAICS Codes

    NAICS 237990NAICS 238990NAICS 561990NAICS 811210NAICS 238220

    Explore

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