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C--Defense Threat Reduction Agency (DTRA) and Defense Nuclear Weapons School (DNWS
Closed — responses were due 26 Sep 2026 · Unrestricted (full and open) · Departmental Offices, DOI · NAICS 541310 · Solicitation 140D0426R0071
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| Solicitation number | 140D0426R0071 |
|---|---|
| Notice ID | fcb197d0123d4cf0b7b156a2056d2250 |
| Agency | Department of the Interior (DOI) |
| Sub-agency | Departmental Offices |
| Contracting office | IBC ACQ SVCS DIRECTORATE (00004) |
| NAICS code | 541310 — Architectural Services |
| Product / service code (PSC) | C1JA |
| Set-aside | Unrestricted (full and open) |
| Notice type | Sources Sought |
| Posted | 26 August 2026 |
| Response deadline | 26 September 2026 (closed) |
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Description
Version history
SAM.gov has posted 2 notices under solicitation 140D0426R0071, oldest first.
- 26 August 2026 — Sources Sought
- 26 August 2026 — Sources Sought (this page)
Documents in the solicitation package
3 files are attached to this notice.
- A14_MR_Sources_Sought_Notice_140D0426R0071_2.pdf
- A06_SOW_DNWS_NWM_Design_Modernization_DRAFT_2.pdf
- A06_SOW_Addendum_01_Floorplan_DRAFT_2.pdf
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Market context: DOI and NAICS 541310
About the buyer and the industry, not this specific solicitation. Source: USASpending.gov award data, updated nightly.
- In fiscal year 2026, DOI obligated $16.3M across 67 contract actions under NAICS 541310.
- 101 contracts worth $69.7M in this category end within the next 18 months.
DOI contracts under NAICS 541310 →
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