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

Project ID: W9128F26RA005 FederalOpportunitiesSolicitation

Overview

Agency	USACE Omaha District
Deadline	05/15/26
Posted	04/30/26
Estimated Value	$200,000,000 - $400,000,000 (AI estimate)
Set Aside	None
NAICS	236220 - Commercial and Institutional Building Construction
PSC	Y1BZ - Construction Of Other Airfield Structures
Location	Ellsworth Air Force Base, South Dakota Ellsworth AFB, SD USA

Description

Primary Latest Change

Posted: March 20, 2026, 1:14 p.m. EDT Solicitation released 20 March 2026. Please see attached documents.

2 (Newest Update)

Posted: March 23, 2026, 3:47 p.m. EDT Amendment 1: The purpose of this amendment is as follows: 1. Remove Period of Performance Dates from Overall Contract Delivery Period CLINs 0001, 0002, 0003, 0004, 0005, 0006. All other Terms and Conditions remain the same.

3: Posted: April 14, 2026, 3:50 p.m. EDT Amendment 2: The purpose of this amendment is as follows: 1. Added Site Visit Roster. 2. Drawing/Spec Updates (see Summary of Changes, dated 04-14-26). 3. Clause Updates. All other terms and conditions remain the same.

Current: Posted: April 30, 2026, 12:24 p.m. EDT Amendment 3: The purpose of this amendment is as follows: 1. Updated drawings/specs (see Summary of Changes dated 04/30/26). 2. CLIN 0003 updated. 3. Revised 00 22 00 (see 00 22 00 dated 04/30/26). 4. Proposal due date extended to 05/15/26 at 2:00 PM CDT. All other terms and conditions remain the same.

Contacts

Contact name	Margarette Wolfe
Contact email	margarette.e.wolfe@usace.army.mil
Contact phone	None
Secondary contact name	Brittany Gull
Secondary contact email	brittany.c.gull@usace.army.mil
Secondary contact phone	None