# Synopsis of Sole Source Modification to HDTRA1-21-C-0054

Canonical: https://abierto.us/opportunities/hdtra121c0054bridge

- Solicitation number: HDTRA121C0054_Bridge
- Notice type: Special notice
- Status: Closed. Deadline was September 29, 2025 at 5:00 PM EDT
- Department: Department of Defense
- Agency: Defense Threat Reduction Agency
- Contracting office: Defense Threat Reduction Agency (n-DEFENSETHREATREDUCTIONAGENCYDTRA)
- NAICS: 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)
- Product or service code: AC33 National Defense R&D Services; Defense-Related Activities; Experimental Development
- Place of performance: Fort Belvoir, Virginia
- County: Fairfax County (FIPS 51059). https://abierto.us/counties/fairfax-county-va-51059
- City: Fort Belvoir. https://abierto.us/cities/fort-belvoir-va-5129008
- First posted: August 14, 2025
- Last posted: August 14, 2025
- SAM.gov: https://sam.gov/workspace/contract/opp/69f327cf58e74e6790cb1e2c3a2d44b5/view

## Description

This is a notice of intent to issue a sole source modification to an existing contract, and is not a request for competitive quotes/proposals. The statutory authority for this action is 10 United States Code (U.S.C.) 3204(a)(1), as implemented by Federal Acquisition Regulation 6.302-1 (a)(2)(iii)(B), Only one responsible source and no other services will satisfy agency requirements (10 U.S.C. 3204[b][B]).

The Defense Threat Reduction Agency (DTRA) intends to issue a two year (one 12-month base effort and two 6-month option periods) performance extension to Systems Planning and Analysis, Inc. under contract HDTRA1-21-C-0054. However, all responsible sources may submit a capability statement demonstrating the ability to provide the requested services, which shall be considered by the agency before the intended award date.

Interested sources who submit data are responsible for appropriately marking information if it is proprietary in nature. The Government shall not reimburse interested sources for any information provided. No requests for capability briefings will be honored. A determination by the Government not to compete this proposed contract based upon responses to this notice is solely within the discretion of the Government.

Interested vendors must respond to this notice on or before the specified response date and time by sending an email to sherry.l.saurage.civ@mail.mil (please copy mary.k.chase2.civ@mail.mil).

**Description:** The proposed extension will provide a bridge of continuity for essential Advisory and Assistance Services (A&AS) support. The tasks of this effort include include providing Scientific & Technical (S&T) Subject Matter Expertise (SME) across the Chemical, Biological, Radiological, Nuclear, and High-Yield Explosives (CBRNE) spectrum in support of Countering Weapons of Mass Destruction (CWMD) and Countering Emerging Threats (CET) missions and objectives and providing CBRNE, CWMD, and CET policy expertise in support of Research and Development missions and objectives.

## Publications

- August 14, 2025: Special notice, due September 29, 2025 at 5:00 PM EDT. Notice 69f327cf58e74e6790cb1e2c3a2d44b5. https://sam.gov/workspace/contract/opp/69f327cf58e74e6790cb1e2c3a2d44b5/view

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Source: SAM.gov Contract Opportunities bulk extract. Confirm deadlines on SAM.gov before responding. Cite https://abierto.us/opportunities/hdtra121c0054bridge.