B-21 West Alert Apron Environmental Protection Shelters at Ellsworth Air Force Base (AFB), South Dakota (SD)
Posted
Apr 14, 2026
Due Date
Apr 20, 2026
Description
https://api.sam.gov/prod/opportunities/v1/noticedesc?noticeid=abe68445ce694d09bec9fa4a501d0d31
AI Summary
The U.S. Army Corps of Engineers (USACE) is soliciting proposals (Solicitation No. W9128F26RA004) for the design and construction of B‑21 West Alert Apron Environmental Protection Shelters at Ellsworth Air Force Base, South Dakota (NAICS 236220). Amendment 6 (issued 04‑13‑26) revises the project drawings and specifications and extends the proposal submission deadline to 20 April 2026, 2:00 PM Central Time; all other terms and conditions remain unchanged. Questions or submissions should be directed to Margarette Wolfe (margarette.e.wolfe@usace.army.mil, 402‑995‑2063).
Details
- Notice ID
- abe68445ce694d09bec9fa4a501d0d31
- Solicitation Number
- W9128F26RA004
- NAICS Code
- 236220
- Classification Code
- Y1BZ
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