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

Agency: DEPT OF DEFENSE
State: South Dakota
Type of Government: Federal
FSC Category:
  • Y - Construction of Structures and Facilities
NAICS Category:
  • 236220 - Commercial and Institutional Building Construction
Posted Date: Feb 5, 2026
Due Date: Mar 17, 2026
Solicitation No: W9128F26RA004
Original Source: Please Login to View Page
Contact information: Please Login to View Page
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B-21 West Alert Apron Environmental Protection Shelters at Ellsworth Air Force Base (AFB), South Dakota (SD)
Active
Contract Opportunity
Notice ID
W9128F26RA004
Related Notice
W9128F26RA004
Department/Ind. Agency
DEPT OF DEFENSE
Sub-tier
DEPT OF THE ARMY
Major Command
US ARMY CORPS OF ENGINEERS
Sub Command
ENGINEER DIVISION NORTHWESTERN
Sub Command 2
ENDIST OMAHA
Office
W071 ENDIST OMAHA
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General Information View Changes
  • Contract Opportunity Type: Solicitation (Updated)
  • Updated Published Date: Feb 05, 2026 12:46 pm CST
  • Original Published Date: Jan 22, 2026 12:40 pm CST
  • Updated Date Offers Due: Mar 17, 2026 03:00 pm CDT
  • Original Date Offers Due: Mar 03, 2026 02:00 pm CST
  • Inactive Policy: Manual
  • Updated Inactive Date: Feb 05, 2027
  • Original Inactive Date: Jan 22, 2027
  • Initiative:
    • None
Classification
  • Original Set Aside:
  • Product Service Code: Y1BZ - CONSTRUCTION OF OTHER AIRFIELD STRUCTURES
  • NAICS Code:
    • 236220 - Commercial and Institutional Building Construction
  • Place of Performance:
    Ellsworth Air Force Base (AFB), South Dakota (SD)
Description View Changes
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.
Attachments/Links
Contact Information
Contracting Office Address
  • KO CONTRACTING OFFICE 1616 CAPITOL AVENUE
  • OMAHA , NE 68102-4901
  • USA
Primary Point of Contact
Secondary Point of Contact
History

Related Document

Oct 3, 2025[Presolicitation (Original)] B-21 West Alert Apron Environmental Protection Shelters at Ellsworth Air Force Base (AFB), South Dakota (SD)
Dec 30, 2025[Presolicitation (Updated)] B-21 West Alert Apron Environmental Protection Shelters at Ellsworth Air Force Base (AFB), South Dakota (SD)
Jan 22, 2026[Solicitation (Original)] B-21 West Alert Apron Environmental Protection Shelters at Ellsworth Air Force Base (AFB), South Dakota (SD)
Feb 12, 2026[Solicitation (Updated)] B-21 West Alert Apron Environmental Protection Shelters at Ellsworth Air Force Base (AFB), South Dakota (SD)
Mar 11, 2026[Solicitation (Updated)] B-21 West Alert Apron Environmental Protection Shelters at Ellsworth Air Force Base (AFB), South Dakota (SD)
Mar 18, 2026[Solicitation (Updated)] B-21 West Alert Apron Environmental Protection Shelters at Ellsworth Air Force Base (AFB), South Dakota (SD)
Mar 30, 2026[Solicitation (Updated)] B-21 West Alert Apron Environmental Protection Shelters at Ellsworth Air Force Base (AFB), South Dakota (SD)
Apr 14, 2026[Solicitation (Updated)] B-21 West Alert Apron Environmental Protection Shelters at Ellsworth Air Force Base (AFB), South Dakota (SD)
May 20, 2026[Solicitation (Updated)] B-21 West Alert Apron Environmental Protection Shelters at Ellsworth Air Force Base (AFB), South Dakota (SD)
May 26, 2026[Solicitation (Updated)] B-21 West Alert Apron Environmental Protection Shelters at Ellsworth Air Force Base (AFB), South Dakota (SD)
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