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: Mar 18, 2026
Due Date: Apr 14, 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: Mar 18, 2026 12:46 pm CDT
  • Original Published Date: Jan 22, 2026 12:40 pm CST
  • Updated Date Offers Due: Apr 14, 2026 02:00 pm CDT
  • Original Date Offers Due: Mar 03, 2026 02:00 pm CST
  • Inactive Policy: Manual
  • Updated Inactive Date: Mar 18, 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 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.
Attachments/Links
Contact Information View Changes
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 5, 2026[Solicitation (Updated)] 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 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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