Skip to content
BidBenchmark
SolicitationAmendment 2

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

W071 ENDIST OMAHA · Ellsworth Air Force Base (AFB), South Dakota (SD)

View authoritative SAM noticeSign in to watch

Response status

Historical record

Mar 17, 2026, 8:00 PM UTC

This notice is no longer open.

Posted
Feb 5, 2026
Archive date
Feb 5, 2027
SAM status
Active
This is a preserved solicitation record. The response window is closed because the published deadline passed.

Answer-first brief

What the source record says

  • W071 ENDIST OMAHA published this solicitation.
  • The notice uses NAICS 236220 (Commercial and Institutional Building Construction).

Procurement identity

Notice ID
21144c15b069478a9da38528615435bf
Solicitation
W9128F26RA004
Base type
Solicitation
Version
2 of 2

Solicitation facts

Structured fields from the current SAM notice version. A dash means the source did not publish a value.

Notice type
Solicitation
Solicitation number
W9128F26RA004
NAICS
236220 — Commercial and Institutional Building Construction
PSC
Y1BZ — CONSTRUCTION OF OTHER AIRFIELD STRUCTURES
Set-aside
—
Set-aside code
—
Posted
Feb 5, 2026
Responses due
Mar 17, 2026, 8:00 PM UTC
Archive date
Feb 5, 2027
Archive type
autocustom
Base type
Solicitation
Organization type
OFFICE
Benchmark category
Commercial Building Construction
Category confidence
94%
Category source
rule
Last seen
Aug 29, 2026

Buyer and place

Office hierarchy and place of performance as published.

Department
DEPT OF DEFENSE
Department code
—
Subagency
DEPT OF THE ARMY
Subagency code
—
Office
W071 ENDIST OMAHA
Organization path
—
Organization path codes
—
Office address
OMAHA, NE, 68102-4901, USA
Place of performance
Ellsworth Air Force Base (AFB), South Dakota (SD)
City code
—
State
—
State code
—
Postal code
—
Country
—

Points of contact

Contact details from the current notice version.

Notice description

Source text reproduced without an AI summary.

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.

Comparable award range

Historical award values for work matched by the fixed rubric—not an estimate of this opportunity.

No past awards scored highly enough to form a comparable range.

Comparable awards

The match score is decomposed so each comparison can be challenged.

No comparable awards are attached to this notice.

Amendment history

A version is preserved whenever the normalized notice contents change.

VersionNotice typeObservedResponses dueContent hash
1SolicitationAug 10, 2026Mar 17, 2026, 8:00 PM UTC16bc5c051f3e1bd4
2SolicitationAug 28, 2026Mar 17, 2026, 8:00 PM UTC2aa87dcb87b01de8

Record provenance

Field-level lineage for the current opportunity version.

FieldSourceSource as ofParserTransform
agency_nameSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
archive_dateSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
archive_typeSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
base_typeSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
contactsSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
descriptionSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
naics_codeSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
notice_idSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
notice_typeSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
office_citySAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
office_country_codeSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
office_nameSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
office_postal_codeSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
office_state_codeSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
organization_typeSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
pop_street_addressSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
posted_dateSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
psc_codeSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
response_deadlineSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
sam_urlSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
solicitation_numberSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
subagency_nameSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
titleSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3
upstream_activeSAM.gov Contract OpportunitiesAug 10, 2026sam_opportunity_snapshot@2026.08.22026.08.3

Sources and method

Figures on this page are computed from public federal award records. Numbers are never estimated or generated; where a figure is withheld, the reason is stated rather than filled in.

  1. 1Notice fields come from the SAM.gov contract opportunities record last seen Aug 29, 2026. SAM.gov remains authoritative.

Note 1 covers the solicitation record. No synthetic FAQ or inferred solicitation value is published.

B-21 West Alert Apron Environmental Protection Shelters at Ellsworth Air Force Base (AFB), South Dakota (SD) — federal contract opportunity · BidBenchmark