Amendment 9: The purpose of this amendment is as follows: 1. Revised pricing is due by 2:00 PM CT on 05/27/26 - only for those offerors who submitted a proposal in compliance with the original deadlin... Amendment 9: The purpose of this amendment is as follows: 1. Revised pricing is due by 2:00 PM CT on 05/27/26 - only for those offerors who submitted a proposal in compliance with the original deadline of 04/20/26. Original proposals were due by 2:00 PM CT on 04/20/26. All other terms and conditions remain the same.

Amendment 8: The purpose of this amendment is as follows: 1. Wage Determination Updates (SD20260001, SD20260029 - both dated 05/18/26. 2. Revised Pricing is due 05/27/26. All other terms and condition... Amendment 8: The purpose of this amendment is as follows: 1. Wage Determination Updates (SD20260001, SD20260029 - both dated 05/18/26. 2. Revised Pricing is due 05/27/26. All other terms and conditions remain the same.

Amendment 6: The purpose of this amendment is as follows: 1. Updates to Drawings/ Specs (see Summary of Changes, dated 04-13-26) 2. Proposal Due Date extended to 04/20/26 at 2:00 PM CT. All other term... Amendment 6: The purpose of this amendment is as follows: 1. Updates to Drawings/ Specs (see Summary of Changes, dated 04-13-26) 2. Proposal Due Date extended to 04/20/26 at 2:00 PM CT. All other terms and conditions remain the same.

Amendment 7: The purpose of this amendment is as follows: 1. Clause Updates. All other terms and conditions remain the same.

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.

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 ext... 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.

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 ... 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.

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 ter... 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.

This amendment revises multiple contract sections, specifications, and drawings, and replaces an inactive wage determination. It significantly increases the quantity for Option CLIN 9 from 20 to 250 units. A site visit roster has been added. The performance location is not specified in this amendment. No budget information is provided in this amendment.

This project involves constructing seven new pre-engineered metal Environmental Protection Shelters, each approximately 20,000 square feet, along with associated paving and supporting facilities at Ellsworth Air Force Base in South Dakota. The shelters are designed to accommodate B-2A Spirit aircraft for maintenance. The work includes building two maintenance kiosks, installing blast deflectors, fencing, lighting, and an entry control point. The construction must comply with specific Air Force installation requirements.

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