Opportunities
SolicitationAmended Sep 17, 2026Accepting responses

Z--ALPO STABILIZATION OF STAPLE BEND TUNNEL

National Park Service · DOI, NPS CONOPS STRATEGIC

Respond by: Oct 30, 2026, 4:00 PM UTC−61 day left

From SAM.gov's public data file generated Oct 29, 2026, 3:30 AM UTC; newest notice posted Oct 29, 2026; loaded into FedSub Oct 29, 2026, 5:46 AM UTC

Notice facts

Source: SAM.gov Contract Opportunities public data file

Solicitation number
140P4226R0026
Notice type
Solicitation
Posted
Aug 21, 2026 · Amended Sep 17, 2026
Response date
Respond by Oct 30, 2026, 4:00 PM UTC−6
Set-aside
Small Business Set Aside - Total
NAICS code
237990 Other Heavy and Civil Engineering Construction
Product or service code
Z1QA
Place of performance
Not stated
Contracting office
DOI, NPS CONOPS STRATEGIC (140PS1)Washington, DC 20240
Agency
Department of the Interior · National Park Service

Past prime awardees

Source: Award history, not a list of bidders on this notice

Past prime awardees · award history, not a list of bidders on this notice

4 companies held prime contracts from this office under NAICS 237990.

3 more past prime awardees on Professional

Description

Source: SAM.gov Contract Opportunities public data file

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

SAM.gov's data file removes line breaks; read the formatted notice and attachments on SAM.gov.

Versions on SAM.gov

Source: SAM.gov Contract Opportunities public data file

  1. Posted Sep 17, 2026SolicitationCurrent version

    Respond by Oct 30, 2026, 4:00 PM UTC−6

    Changed from the version before: Title, Response date, Description

    This version on SAM.gov (opens SAM.gov in a new tab)
  2. Posted Aug 21, 2026Solicitation

    Respond by Sep 21, 2026, 4:00 PM UTC−6

    This version on SAM.gov (opens SAM.gov in a new tab)

Sources

  • SAM.gov Contract Opportunities public data file: file generated Oct 29, 2026, 3:30 AM UTC
  • USAspending.gov prime contract awards, as loaded into FedSub: actions through Oct 25, 2026
  • USAspending.gov first-tier subaward reports (FFATA): reports through Sep 30, 2026
  • Your partner preferences and your company's records on FedSub

Notices posted or changed after SAM.gov generated its file appear in FedSub after the next load. Check SAM.gov for the current version before you respond.

Source: SAM.gov Contract Opportunities public data file. FedSub is not affiliated with SAM.gov or GSA.