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Solicitation, total small business set-aside, first published as presolicitation

ALPO STABILIZATION OF STAPLE BEND TUNNEL

140P4226R0026

Departmental Offices, National Park Service Contracting Activity. Other Heavy and Civil Engineering Construction.

Response deadline

October 30, 2026 at 6:00 PM EDT

Closed 2 days ago. Posted October 5, 2026, first published August 6, 2026. Scheduled to archive November 14, 2026.

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This one closed 2 days ago

132 like it are open now in other heavy and civil engineering construction

All 132 open in other heavy and civil engineering construction

Description

As published on SAM.gov.

Allegheny Portage Railroad National Historical Site (ALPO) - Tunnel Stabilization of Staple Bend Tunnel

Amendment 0002 - Addresses Contractor asked Questions, and INCLUDES UPDATES SCHEDULE, SPECIFICATIONS and T&Cs (Sections B-M) that shall be used instead of the original Section B-M attached to SF-1442. It also includes two (2) additional attachments that will be included with the award that are needed to address contractor asked questions.

CONTRACTORS are reminded that they need to be registered as a Small Business concern in their SAM Reps and Certs under the NAICS - 237990 - Other Heavy and Civil Engineering Construction as stated in Section L and M under Factor 2- Sub-Factor A. IF THIS NAICS CODE IS MISSING FROM YOUR SAM PROFILE UNDER YOUR REPS AND CERTS IT NEEDS TO BE ADDED BEFORE YOU SUBMIT ANY RESPONSE TO SOLICITATION.

Amendment 0001 extends the closing date and time to Friday, October 30, 2026 by no later than 1600 Mountain Time.

The full solicitation is now posted in SAM.gov, including all related documents.

An organized site visit has been scheduled for: Wednesday, August 26, 2026, at 10 AM Eastern.

Participants will meet at:

Staple Bend Tunnel - Trailhead Parking Lot (For specific directions see Section C.5)
1258 Beech Hill Road
Johnstown, PA 15942

A NPS shuttle will either transport and/or lead a limited number of vehicles from the Trailhead Parking Lot to the site. Any contractors that arrive late, and miss the shuttle departure, will have to make the 2-mile hike on their own. They will NOT be allowed to drive to the site location on the trail leading to the Staple Bend Tunnel on their own once shuttle has departed.

Attachments

Files listed on SAM.gov. The ones we hold a copy of download from here; the rest open SAM's download, which needs no account.

Publications

Every notice SAM.gov issued under this solicitation number, oldest first. Each is a separate record on SAM.

  1. August 6, 2026

    Presolicitation

    NPS-ALPO STABILIZATION OF STAPLE BEND TUNNEL

    Due August 20, 2026 at 2:00 PM EDT. SAM.gov, notice 7290799afeeb439bba80056500c774ca

    2 revisions on SAM
    • August 6, 2026: publish, presolicitation
    • August 21, 2026: publish, solicitation
  2. August 21, 2026

    Solicitation, originally presolicitation

    Due September 21, 2026 at 6:00 PM EDT. SAM.gov, notice 3c65fe2524f444d58b352148dbbf8a5f

    2 revisions on SAM
    • August 6, 2026: publish, presolicitation
    • August 21, 2026: publish, solicitation
  3. September 17, 2026

    Solicitation

    Due October 30, 2026 at 6:00 PM EDT. SAM.gov, notice c9d8a9d0e80a4d378f7df7516ded59ef

    3 revisions on SAM
    • September 17, 2026: publish, solicitation
    • August 6, 2026: publish, presolicitation
    • August 21, 2026: publish, solicitation
  4. October 5, 2026

    Solicitation

    Due October 30, 2026 at 6:00 PM EDT. SAM.gov, notice 9e2cfcf932024a49a59c5ff3307a6dd4

    4 revisions on SAM
    • October 5, 2026: publish, solicitation
    • September 17, 2026: publish, solicitation
    • August 6, 2026: publish, presolicitation
    • August 21, 2026: publish, solicitation

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