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Repair HVAC Building 304 and Hanger 9

Issued by DEPT OF DEFENSE · DEPT OF THE ARMY · NGB · W7NF USPFO ACTIVITY MIANG 127 · via SAM.gov — US federal contract opportunities

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Published
8 Sept 2026
Closes
17 Sept 2026, 18:00 UTC
Reference
W50S8526BA010
Location
United States
Sector
Construction & Infrastructure

Details

DEPT OF DEFENSE · DEPT OF THE ARMY · NGB · W7NF USPFO ACTIVITY MIANG 127 is soliciting Repair HVAC Building 304 and Hanger 9. Solicitation number W50S8526BA010. Classified under NAICS 238220 — Plumbing, Heating, and Air-Conditioning Contractors. Product/service code Z1AA — MAINTENANCE OF OFFICE BUILDINGS. Responses are due by 17 September 2026 18:00 UTC. Posted on SAM.gov, the US federal contract opportunities system; registration is required to bid.

The purpose of this Amendment is to add Statement of Work Addendum #1 reflecting a change in the project pertaining to the Hanger 9 requirement, publish a Limited Source Justification for the DDC portion of the project, correct the Project Number of the attachments as listed in the Table of Contents, and incorporate an updated Wage Determination.

Context for bidders

We hold 3 notices from DEPT OF DEFENSE · DEPT OF THE ARMY · NGB · W7NF USPFO ACTIVITY MIANG 127, going back to September 2026 — 3 of them still open. There are 704 open Construction & Infrastructure tenders in United States. This one closes in 10 days.

Before you bid on this tender

A quick checklist to help you decide whether to bid and prepare a compliant submission for this construction & infrastructure opportunity. Always verify the details on the official source.

  • Confirm the exact closing date and time (and time zone) on the official portal — deadlines are strict and can be revised by a corrigendum.
  • Read the full notice and every attached document, including the scope, specifications and any bill of quantities or terms of reference.
  • Check the eligibility criteria — prior similar experience, annual turnover, certifications and registrations — and make sure you qualify before investing effort.
  • Prepare any earnest-money deposit (EMD) or bid security and the required formats early; missing or wrongly-formatted documents are a common cause of rejection.
  • Note how bids must be submitted (online or physical), in what format, and whether a digital signature or portal registration is required.
  • Watch for corrigenda and clarifications right up to the deadline — requirements and dates can change.
Common bidding mistakes to avoid →Writing a winning proposal

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