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ALPO STABILIZATION OF STAPLE BEND TUNNEL

Closed — responses were due 21 Sep 2026 · Small Business Set Aside - Total · National Park Service (NPS), DOI · NAICS 237990 · Solicitation 140P4226R0026

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A newer version of this notice has been posted. SAM.gov republished solicitation 140P4226R0026 on 05 October 2026. This page is kept because it is a real record, but the current requirement, dates and attachments are on the latest version. Read the latest version →

What happened next

This solicitation has closed — responses were due 21 September 2026.

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Solicitation details

Solicitation number140P4226R0026
Notice ID3c65fe2524f444d58b352148dbbf8a5f
AgencyDepartment of the Interior (DOI)
Sub-agencyNational Park Service (NPS)
Contracting officeDOI, NPS CONOPS STRATEGIC
NAICS code237990 — Other Heavy and Civil Engineering Construction
Product / service code (PSC)Z1QA
Set-asideSmall Business Set Aside - Total
Notice typeSolicitation
Posted21 August 2026
Response deadline21 September 2026 (closed)

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Description

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

Version history

SAM.gov has posted 4 notices under solicitation 140P4226R0026, oldest first.

Documents in the solicitation package

11 files are attached to this notice.

  • Sol_140P4226R0026.pdf
  • B08_-_Attachment_4_-_Location_Maps-Lab_Testing_Report-Photos.pdf
  • B08_-_Attachment_10_-_Proposal_Submission_Package_-_140P4226R0026.docx
  • B08_-_Attachment_9_-_Limitations_on_Subcontracting_compliance_worksheet.xlsx
  • B08_-_Attachment_6_-_ALPO_Staple_Bend_Tunnel_Preservation-1999_CDs.pdf
  • B08_-_Attachment_7_-_ALPO_Staple_Bend_Tunnel_-_Submittal_List.xlsx
  • B08_-_Attachment_8_-_CON_WD_-_PA20260002_-_Heavy_and_Highway_-_7_30_2026.pdf
  • B08_-_Attachment_2_-_ALPO-Staple_Bend_Tunnel-Drawings_-_7_31_2025.pdf
  • B08_-_Attachment_1_-_ALPO-Staple_Bend_Tunnel-Specs-Final_-_7_12_2026.pdf
  • B08_-_Attachment_3_-_ALPO-Staple_Bend_Tunnel-Technical_Reports.pdf
  • B08_-_Attachment_5_-146798-ALPO-423-41023-Topo.pdf

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Market context: DOI and NAICS 237990

About the buyer and the industry, not this specific solicitation. Source: USASpending.gov award data, updated nightly.

  • In fiscal year 2026, DOI obligated $312.8M across 91 contract actions under NAICS 237990.
  • 83 contracts worth $832.4M in this category end within the next 18 months.

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