B-21 Alert Facility, Ellsworth Air Force Base (AFB), South Dakota (SD)

SOL #: W9128F26RA005Solicitation

Overview

Buyer

DEPT OF DEFENSE

Dept Of The Army

W071 ENDIST OMAHA

OMAHA, NE, 68102-4901, United States

Place of Performance

Place of performance not available

NAICS

Commercial and Institutional Building Construction (236220)

PSC

Construction Of Other Airfield Structures (Y1BZ)

Set Aside

No set aside specified

Original Source

https://sam.gov/opp/9710ad68fa864e0699a0820a269bd69b/view

Timeline

Posted

Mar 20, 2026

Last Updated

May 11, 2026

Submission Deadline

May 15, 2026, 7:00 PM

Qualification Details

Fit reasons

NAICS alignment with historical contract wins in similar service areas.
Scope strongly matches core technical capabilities and delivery model.

Risks

Past performance thresholds may require one additional teaming partner.
Potential clarification needed on staffing minimums before bid/no-bid.

Next steps

Validate eligibility requirements, assign capture owner, and schedule partner outreach to confirm teaming strategy before submission planning.

Quick Summary

Amendment 4 has been issued for the B-21 Alert Facility construction solicitation at Ellsworth Air Force Base (AFB), South Dakota (SD). This amendment introduces specific updates to the solicitation documents. Proposals are due by May 15, 2026.

Scope of Change

This amendment details the following modifications:

CLIN 0016 has been added to section 00 10 00.
Drawings and specifications have been updated, as indicated in the "Summary of Changes" dated May 6, 2026.
Section 00 21 00 has been updated.

Contract & Timeline

Opportunity Type: Solicitation (Amendment 4)
Response Due: May 15, 2026, at 7:00 PM UTC
Amendment Published: May 6, 2026
Product Service Code: Y1BZ - Construction Of Other Airfield Structures
Issuing Office: W071 ENDIST OMAHA (DEPT OF THE ARMY, DEPT OF DEFENSE)

Additional Notes

All other terms and conditions of the original solicitation remain unchanged. Interested parties should review the updated drawings/specifications and section 00 21 00.