B-21 West Alert Apron Environmental Protection Shelters at Ellsworth Air Force Base (AFB), South Dakota (SD)
Posted
Mar 10, 2026
Due Date
Mar 31, 2026
Description
https://api.sam.gov/prod/opportunities/v1/noticedesc?noticeid=a11687bc02cf48978daa99a709ea5433
AI Summary
The U.S. Army Corps of Engineers, Northwestern Division (Omaha), 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. The work falls under NAICS 236220 (Construction of Buildings) and is identified as “B‑21 West Alert Apron Environmental Protection Shelters at Ellsworth AFB, SD.” Amendment 3 extends the proposal due date to March 31, 2026, 2:00 PM CST and incorporates revisions to sections 00 21 00 and 00 22 00 (see the amendment dated 03‑09‑26). All other terms and conditions remain unchanged. Questions may be directed to Margarette Wolfe (email: margarette.e.wolfe@usace.army.mil; phone: 402‑995‑2063).
Details
- Notice ID
- a11687bc02cf48978daa99a709ea5433
- Solicitation Number
- W9128F26RA004
- NAICS Code
- 236220
- Classification Code
- Y1BZ
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