Little Mountain Testing Facility (LMTF) Progress-Design-Build OT

SOL #: W91238269A001Pre-Solicitation

Overview

Buyer

DEPT OF DEFENSE
Dept Of The Army
W075 ENDIST SACRAMENTO
SACRAMENTO, CA, 95814-2922, United States

Place of Performance

Hill Air Force Base, UT

NAICS

Industrial Building Construction (236210)

PSC

Construction Of Other Administrative Facilities And Service Buildings (Y1AZ)

Set Aside

No set aside specified

Timeline

1
Posted
Apr 30, 2026
2
Last Updated
Jun 2, 2026
3
Response Deadline
Jun 5, 2026, 8:00 PM

Qualification Details

Fit reasons
  • NAICS alignment with historical contract wins in similar service areas.
  • Scope strongly matches core technical capabilities and delivery model.
Risks
  • Past performance thresholds may require one additional teaming partner.
  • Potential clarification needed on staffing minimums before bid/no-bid.
Next steps

Validate eligibility requirements, assign capture owner, and schedule partner outreach to confirm teaming strategy before submission planning.

Quick Summary

The U.S. Army Corps of Engineers (USACE) Sacramento District is seeking a Design-Build team for the Little Mountain Testing Facility (LMTF) Progressive Design-Build (PDB) project at Hill Air Force Base, Utah. This Presolicitation outlines the construction of a new Radiation Research Facility (RRF) to modernize testing capabilities for the Sentinel weapon system. The project will utilize an Other Transaction (OT) agreement, emphasizing collaboration and flexibility. The total program funding may Not-to-Exceed (NTE) $111,500,000.00.

Scope of Work

The project involves the construction of an approximately 50,000 sq ft Radiation Research Facility. This facility is critical for establishing the nuclear hardness baseline for the Sentinel weapon system and will house specialized radiation testing equipment such as the Advanced Radiation Environment Simulator (ARES) and a 14 MeV neutron generator. Key requirements include:

  • Meeting Intelligence Community Directive (ICD) 705 standards.
  • Robust construction with radiation shielding.
  • Specialized test cells, laboratory, control rooms, and support areas.

Contract & Timeline

  • Contract Type: Firm-Fixed-Price, Other Transaction (OT) for Construction.
  • Delivery Model: Progressive Design-Build (PDB).
  • Total Program Funding: May Not-to-Exceed (NTE) $111,500,000.00.
  • Award Type: Single OT award intended, with Phase 1 (Design & Pre-Construction Services) awarded first, followed by Phase 2 (Full Design and Construction) upon successful negotiation.
  • Key Deadlines:
    • Draft Program Solicitation Closing Date: May 29, 2026
    • Questions Due Date: May 29, 2026
    • Official Program Solicitation and White Paper Due: On or around July 15, 2026

Evaluation & Submission

A two-phase competitive selection process will be used:

  1. Step 1: White Paper Submission (Qualifications-Based Selection, max 10 pages). This evaluates technical approach, capability, past relevant experience, and management approach. Submissions via PIEE Solicitation Module.
  2. Step 2: Pitch Meeting Phase (By Invitation Only). Shortlisted teams will present their qualifications and engage in Q&A.
  • Cybersecurity: CMMC Level 1 (Self-Assessment) is required at the time of award.

Eligibility & Notes

  • All interested parties must be registered in SAM and possess a valid UEI.
  • Small business participation is encouraged.
  • Construction is contingent upon Congressional authorization and appropriation of funds.
  • Performance and Payment Bonds will be required for Phase 2.
  • All attachments within this posting are in DRAFT format.

People

Points of Contact

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Versions

Version 10
Pre-Solicitation
Posted: Jun 2, 2026
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Version 9Viewing
Pre-Solicitation
Posted: May 29, 2026
Version 8
Pre-Solicitation
Posted: May 28, 2026
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Version 7
Special Notice
Posted: May 28, 2026
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Version 6
Special Notice
Posted: May 16, 2026
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Version 5
Special Notice
Posted: May 15, 2026
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Version 4
Special Notice
Posted: May 8, 2026
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Version 3
Special Notice
Posted: May 5, 2026
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Version 2
Special Notice
Posted: May 1, 2026
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Version 1
Special Notice
Posted: Apr 30, 2026
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Little Mountain Testing Facility (LMTF) Progress-Design-Build OT | GovScope