This tender closed on 29 September 2026 — kept here for reference.
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4EWS ISO Shelters — Prefabricated & Portable Buildings
Issued by DEPT OF DEFENSE · DEPT OF THE AIR FORCE · FA2517 21 CONS BLDG 350 · via SAM.gov — US federal contract opportunities
- Published
- 28 Sept 2026
- Closed
- 29 Sept 2026, 18:00 UTC
- Reference
- FA251726QA034
- Location
- CO, United States
- Sector
- Manufacturing & Supply
This notice was amended 2 times
Details changed after publication. Re-check the official notice before bidding.
- Submission deadline changed from 10 Sept 2026, 19:00 UTC to 29 Sept 2026, 18:00 UTCFirst seen by FreeTender on 29 Sept 2026 — most portals don’t publish when a corrigendum was issued.
- Submission deadline changed from 8 Sept 2026, 19:00 UTC to 10 Sept 2026, 19:00 UTCFirst seen by FreeTender on 8 Sept 2026 — most portals don’t publish when a corrigendum was issued.
At a glance
DEPT OF DEFENSE · DEPT OF THE AIR FORCE · FA2517 21 CONS BLDG 350 in United States has published a tender in manufacturing & supply: “4EWS ISO Shelters — Prefabricated & Portable Buildings”. The deadline passed on 29 September 2026. Quote reference FA251726QA034 in any correspondence with the buyer. FreeTender has recorded 14 notices from this buyer since 2026, 0 of them currently open. There are 2,523 open manufacturing & supply notices in United States on FreeTender. Bids are submitted to the buyer through SAM.gov — US federal contract opportunities, not through FreeTender.
Details
DEPT OF DEFENSE · DEPT OF THE AIR FORCE · FA2517 21 CONS BLDG 350 is soliciting 4EWS ISO Shelters — Prefabricated & Portable Buildings. Solicitation number FA251726QA034. Classified under NAICS 332311 — Prefabricated Metal Building and Component Manufacturing. Product/service code 5410 — PREFABRICATED & PORTABLE BUILDINGS. Place of performance: CO, USA. Responses are due by 29 September 2026 18:00 UTC. Posted on SAM.gov, the US federal contract opportunities system; registration is required to bid.
The 4th Electromagnetic Warfare Squadron (4EWS) has a new requirement for two twenty-foot ISO Shelters to be delivered to Peterson Space Force Base (SFB) and deployed to other locations. Amendment 1 to extend the PoP. The purpose of Amendment 2 is to extend the due date to August 28, 2026. The purpose of Amendment 3 is to add compliance factors and to extend the due date to September 04, 2026. The purpose of Amendment 4 is to extend the due date to September 08, 2026 due to the govenment holiday. The purpose of Amendment 5 is to add answers for RFI #3 and extend the due date to September 10, 2026. The purpose of Amendment 6 is to incorporate changes to Attachment 1 - Salient Characteristics - ISO Shelters (Revised 28 Sept 2026), change the required delivery date, and extend the solicitation due date to September 29, 2026.
This notice has closed — what to do next
We hold 14 notices from DEPT OF DEFENSE · DEPT OF THE AIR FORCE · FA2517 21 CONS BLDG 350, going back to September 2026, none of them currently open. They buy mostly in Manufacturing & Supply, Facility Management & Cleaning and Construction & Infrastructure. There are 2,523 open Manufacturing & Supply tenders in United States.
Open now from this buyer
DEPT OF DEFENSE · DEPT OF THE AIR FORCE · FA2517 21 CONS BLDG 350 has nothing open on FreeTender right now.
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Before you bid on this tender
A quick checklist to help you decide whether to bid and prepare a compliant submission for this manufacturing & supply 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.
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