The Department of the Interior, through the Interior Business Center Acquisition Services Directorate, is seeking contractors for the repair of Tunnel 7 at the White Sands Missile Range (WSMR) in New Mexico, on behalf of the Defense Threat Reduction Agency (DTRA). The project involves comprehensive repairs to a D-shape tunnel, including site preparations, structural modifications, and general construction support for testing instrumentation and post-testing safety measures. This opportunity is set aside for small businesses, with a contract value estimated between $1 million and $5 million, and the anticipated performance period is from June 8, 2026, to June 15, 2027. Interested parties should contact Contracting Officer Stephanie McCullough at stephanie_mccullough@ibc.doi.gov, and must be registered in the System for Award Management (SAM) to participate in the forthcoming solicitation, expected to be issued around January 21, 2026.

The Department of the Interior (DOI), Interior Business Center (IBC), Acquisition Services Directorate (AQD), on behalf of the Department of Defense (DoD), Defense Threat Reduction Agency (DTRA) at White Sands Missile Range (WSMR) in New Mexico is seeking to a contract to repair Tunnel 7 for DTRA at the WSMR ALT-SHIST. The repair project to Tunnel 7 includes all pertinent and necessary site preparations, site improvements, safing, and restoration and modification of the structure for both pre and post testing. The contractor shall repair a D-shape tunnel and overburden using the D-shape of 20 feet depth and width, inside the tunnel. The contractor shall remove and repair any damage to the ribs, crown, and invert to Tunnel 7. After the repair of Tunnel 7, the contractor shall provide general construction support to instrument the tunnel in preparation for testing and then safe the tunnel for re-entry post-testing.  
  
This pre-solicitation announcement is to advise the Industry that DOI IBC AQD intends on issuing an RFP Solicitation for the Construction Services described below, in support of the above referenced project requirement at White Sands Missile Range (WSMR) in New Mexico.  
  
This PSN is not a formal Solicitation in itself, but rather a Synopsis of a forthcoming RFP. Specific instructions on submitting your proposal will be contained in the solicitation documents to be issued.  
  
On or about January 21, 2026, the Government intends to issue the solicitation. The solicitation will close on or about February 20, 2026  
  
General Project Description and Scope:  
  
This project is located at White Sands Missile Range in White Sands, New Mexico. WSMR is seeking to repair Tunnel 7 for DTRA at the WSMR Alternate Seismic Hardrock in Situ Test site (ALT-SHIST). The repair to Tunnel 7 includes all pertinent and necessary site preparations, site improvements, safing, and restoration and modification of the structure for both pre and post testing. Work to be performed under this Construction Services project requirement includes:  
1. Repair a D-shape tunnel and overburden using the D-shape of 20 feet depth and width, inside the tunnel;  
2. Remove and repair any damage to the ribs, crown, and invert to Tunnel 7; and  
3. Provide general construction support to instrument the tunnel in preparation for testing and then safe the tunnel for re-entry post-testing.  
  
North American Industry Classification System (NAICS) Code for this requirement is: 236220, Commercial and Institutional Building Construction  
  
Set-Aside: Small Business Set-Aside  
Size Standard: $45 Million  
Product Service Code (PSC): Z2QA, Repair or Alteration of Restoration of Real Property (Public or Private)  
Magnitude of Construction: $1 Million to $5 Million  
Anticipated Period of Performance: 06/08/2026 thru 06/15/2027  
Contract-Type Vehicle: Firm-Fixed-Price (FFP)  
Bonding: Bid, Performance and Payment Bonds will be required.  
  
Additional Information: The RFP will be issued electronically via the System for Award Management website (https://sam.gov). Specific instructions on submitting Proposals will be contained in the formal Solicitation documents.  
   
Prospective offerors are required to have an active registration in the Systems for Awards Management (SAM) at www.sam.gov, and required to have a UEI number in order to conduct business with the Federal Government.   
  
Federal Acquisition Regulations (FAR) Procedures: The solicitation will be a Best Value Tradeoff selection in accordance with FAR Part 15,Contracting by Negotiation, and FAR Part 36, Construction and Architect-Engineer Contracts, in conjunction with FAR 6.203 and FAR 19.502-2. The anticipated evaluation factors are Past Performance, Schedule and Price.  
  
Point-of-Contact:  
  
Contracting Officer, Stephanie McCullough, Stephanie\_McCullough@ibc.doi.gov  
Contract Specialist, Ryan Miller, Ryan\_Miller@ibc.doi.gov

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