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

Amendment 5: The purpose of this amendment is as follows: 1. Revised Drawings/Specs (see Summary of Changes, dated 03-30-26). All other terms and conditions remain the same. .... Read More

Amendment 4: The purpose of this amendment is as follows: 1. Revised Drawings/Specs (see Summary of Changes, dated 03/18/26) 2. Revised 00 21 00 (see 00 21 00, dated 03/18/26) 3. Proposal Due Date extended to 04/14/26 at 2:00 PM CT. All other terms and conditions remain the same. .... Read More

Amendment 3: The purpose of this amendment is as follows: 1. The proposal due date is extended to 03/31/26 at 2:00 PM CST. 2. Revised 00 21 00 (see 00 21 00, dated 03-09-26), 3. Revised 00 22 00 (see Summary of Changes, dated 03-09-26). All other terms or conditions remain the same. .... Read More

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. .... Read More

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. .... Read More

Updated 30 Dec 2025: Please reference the updated document attached. .... Read More