B-21 Munitions Maintenance (MUNS MX) at Ellsworth Air Force Base (AFB), South Dakota (SD)
Closed Solicitation Posted
- Solicitation number
- W9128F26RA008
- Agency
-
ENDIST Omaha
US Army Corps of Engineers, Department of Defense
- Responses due
- Set-aside
- No set-aside
Opportunity facts
- NAICS code
- 236220 Commercial and Institutional Building Construction
- Place of performance
- Ellsworth Air Force Base, South Dakota
- Points of contact
Notice details come from SAM.gov. Updated .
About this opportunity
The Department of the Army Corps of Engineers Engineering District Omaha is soliciting proposals for the construction of a new single-story munitions maintenance storage facility at Ellsworth Air Force Base in South Dakota. The project involves constructing a building with approximately 929 square meters of storage space, 315 square meters for maintenance operations, and 325 square meters for administration, along with mechanical, electrical, and communications rooms. The facility will feature strip footings, load-bearing insulated precast concrete walls, steel trusses, standing seam metal roofing, and interior partitions of concrete insulated panels and metal studs with gypsum board. The contract falls under the Commercial and Institutional Building Construction NAICS category (236220) and the Construction of Other Airfield Structures PSC category (Y1BZ). The proposal deadline is November 19, 2025, at 2:00 PM Central Time, with the solicitation having been amended three times since its initial posting on October 3, 2025, with the most recent amendment issued on November 14, 2025.
This solicitation does not include any small business set-aside designation. The project requires the demolition of Building 88020, which currently occupies 681 square meters at the site and is unoccupied. The place of performance is located at 336 Main Gate Road, Box Elder, South Dakota 57719. No incumbent contractor or specific award value has been identified in the solicitation notice. Prospective contractors should note that multiple amendments to the specifications and drawings have been issued, with the final amendment dated November 14, 2025, necessitating careful review of all updated documentation prior to submission. The solicitation materials indicate that site visits were offered, with a site visit roster dated October 23, 2025, included in the contract documents.
Notice text
4 versions
Update #4 · Latest ·
Amendment 0002: The purpose of this amendment is as follows: 1) Updated Drawings and Specs (see Summary of Changes, dated 11/14/25). Proposal due date remains 11/19/25 at 2:00 PM CT. All other terms and conditions remain the same.
Update #3 ·
Amendment 0002: The purpose of this amendment is as follows: 1) Updated Drawings and Specs (see Summary of Changes, dated 11/06/25) 2) Updated 00 21 00, dated 11/06/25 3) Updated 00 22 00, dated 11/06/25 4) Revised proposal due date to 11/19/25 at 2:00 PM CT. All other terms and conditions remain the same.
Update #2 ·
Amendment 0001: The purpose of this amendment is as follows: 1) Updated Specifications/Drawings (see Summary of Changes, dated 10/27/25), 2) Added Site Visit Roster, dated 10/23/25, 3) Updated Section 00 22 00, dated 10/27/25. Proposal Due Date remains November 17, 2025 at 14:00 CT. ALL OTHER TERMS AND CONDITIONS REMAIN THE SAME.
Update #1 ·
B-21 Munitions Maintenance (MUNS MX) at Ellsworth Air Force Base (AFB), South Dakota (SD): Project will construct a new single-story maintenance (MX) storage facility. Structure will consist of strip footings, load bearing insulated precast concrete walls, steel trusses and roof deck. Roof will be a standing seam metal roofing system with plywood underlayment. Interior partitions will be concrete insulated panels, precast concrete, and metal stud with gypsum board. Metal stud walls may contain sound deadening membrane as applicable to occupancy requirements. Facility will include approximately 929 SM of storage, approximately 315 SM for maintenance and approximately 325 SM for administration purposes along with other requirements for mechanical, electrical, and communications rooms. Building 88020 is currently unoccupied, has a footprint of 681 SM and will be demolished for this project.
Notice history
| Notice | Type | Posted |
|---|---|---|
| This notice | Solicitation | |
| B-21 Munitions Maintenance (MUNS MX) at Ellsworth Air Force Base (AFB), South Dakota (SD) | Pre-Solicitation |
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