B-21 West Alert Apron Environmental Protection Shelters at Ellsworth Air Force Base (AFB), South Dakota (SD)

Project ID: W9128F26RA004 FederalOpportunitiesSolicitation

Overview

Agency	USACE Omaha District
Deadline	03/03/26
Posted	01/22/26
Estimated Value	$50,000,000 - $120,000,000 (AI estimate)
Set Aside	None
NAICS	236220 - Commercial and Institutional Building Construction
PSC	Y1BZ - Construction Of Other Airfield Structures
Location	Ellsworth Air Force Base (AFB), South Dakota (SD) Ellsworth AFB, SD USA

Description

Primary Latest Change

Posted: Jan. 22, 2026, 1:40 p.m. EST B-21 West Alert Apron Environmental Protection Shelters (EPS), Ellsworth Air Force Base (EAFB), South Dakota (SD).This project will provide seven (7) new pre-engineered metal Environmental Protection Shelters (EPSs), approximately 20,000 SF each. EPSs are sized to fit the B-2A ?Spirit? aircraft with space to perform general aircraft maintenance. The project also includes associated airfield and ground support equipment (GSE) paving. Supporting facilities include two (2) maintenance kiosks, approximately 160 SF each, providing electrical and communication infrastructure to the EPSs. Additional site features include blast deflectors, PL-3 boundary fencing and lighting, and an entry control point (ECP). This project will include a space or spaces constructed to AFI 16-1404 requirements.

2 (Newest Update)

Posted: Feb. 5, 2026, 1:46 p.m. EST Amendment 1: The purpose of this amendment is as follows: 1. Revised 00 21 00 (see 00 21 00, dated 05 FEB 2026), 2. Revised 00 22 00 (see 00 22 00, dated 05 FEB 2026), 3. Wage Determination SD20260032 has been made inactive and replaced with SD20260001 (see Wage Determination SD20260001, dated 30 JAN 2026), 4. Revised drawings/specifications (see Summary of Changes, dated 04 FEB 2026), 5. Added Site Visit Roster (see Site Visit Roster, dated 03 FEB 2026, 6. Revised Quantity for Option CLIN 9 from 20 to 250, 7. Proposal due date is extended to 17 MAR 2026, 2:00 PM CST, All other terms or conditions remain the same.

Current: Posted: Feb. 12, 2026, 2:15 p.m. EST Amendment 2: The purpose of this amendment is as follows: 1. Revised 00 21 00 (see 00 21 00, dated 02-12-26), 2. Revised drawings/specifications (see Summary of Changes, dated 02-12-26), All other terms or conditions remain the same.

Contacts

Contact name	Margarette Wolfe
Contact email	margarette.e.wolfe@usace.army.mil
Contact phone	(402) 995-2063
Secondary contact name	Brittany Gull
Secondary contact email	brittany.c.gull@usace.army.mil
Secondary contact phone	None