W912BV22F0111↗
Halff Associates, Inc. received this contract from W076 Endist Tulsa, Department of the Army: $783.0K obligated so far for architect and engineering- construction: miscellaneous buildings. Its period of performance ended 2026-09-11.
Key facts · data as of Oct 28, 2026
- Recipient
- Halff Associates, Inc.
- Awarding agency
- Department of the Army (Department of Defense)
- Contracting office
- W076 Endist Tulsa (W912BV)
- Obligated to date
- $783.0K
- Potential value
- $11.22M
- Ends
- 2026-09-11
Source: USAspending.gov prime award records (obligations: money committed, not outlays), data as of Oct 28, 2026.
Cite this page: SpendQuery, Award W912BV22F0111, data as of Oct 28, 2026, https://spendquery.com/award?id=CONT_AWD_W912BV22F0111_9700_W912BV19D0022_9700
Halff Associates, Inc.: all federal awards · Department of Defense: spending · W076 Endist Tulsa: what it buys · The follow-on: recompete brief
PHASE I REMEDIAL INVESTIGATIONS OF PER- AND POLYFLUOROALKYL SUBSTANCES (PFAS) AT TINKER AFB AND ALTUS AFB
Up for re-bid: ends 2026-09-11. Recompete brief → · $499M AE General Services MATOC ↗
What it is
- Product or service
- Architect and Engineering- Construction: Miscellaneous Buildings (PSC C1JZ)
- Industry
- Engineering Services (NAICS 541330)
- Contracting office
- W076 Endist Tulsa (W912BV)
- Competition
- Full and open competition · 1 offer received
- Pricing
- Firm fixed price
- How it was bought
- Multiple-award IDIQ · under W912BV19D0022
- Where the work is
- Oklahoma, OK · district OK-04
Obligations by fiscal year
SpendQuery holds FY2023 on; earlier years are on USAspending.gov.
Subcontractors: where the money went next
No subawards reported for this award. Primes report subawards of $30,000 or more; many awards have none.
Every action
2 actions since 2023-09-21. Each is a modification or amendment with the money it added or took back.
| Date | Modification | Kind | Amount | What the agency wrote |
|---|---|---|---|---|
| 2025-03-26 | P00002 | Administrative change | $0 | PERIOD OF PERFORMANCE EXTENSION. |
| 2023-09-21 | P00001 | Supplemental agreement (work within scope) | $783.0K | PHASE I REMEDIAL INVESTIGATIONS OF PER- AND POLYFLUOROALKYL SUBSTANCES (PFAS) AT TINKER AFB AND ALTUS AFB MODIFICATION P00001. |
Source: USAspending.gov prime award transactions and FSRS subaward reports, as loaded by SpendQuery (data as of 2026-10-28). Amounts are obligations (money committed), not outlays. The official record on USAspending.gov ↗