SAC peak mercury draining efforts

Active Awarded Last action

Contract number
49100426F0159
Awardee
Awarding agency
Obligated
$9,999,334

Award facts

Contract value 100% obligated
$9,999,334.00 Current and potential, with all options
Completion date 17% complete
Current and potential, with all options
Contracting staff
Funding agency
Directorate for Mathematical and Physical Sciences National Science Foundation
NAICS code
541330 Engineering Services
Set-aside
No set-aside
Competition
Not Competed Only One Source
Pricing
Time and Materials
Place of performance
Sunspot, NM 88349, USA
Legislative mandates

Award details come from SAM.gov/FPDS.

Transactions

Action Obligated Date
Other Administrative Action P00001 · No cost realignment for labor efforts $0
Original award $9,999,334

About this award

NSF's Directorate for Mathematical and Physical Sciences issued a delivery order to Thornton Tomasetti, Inc. on September 23, 2026, with a ceiling value of $9,999,334 and an ultimate completion date of March 23, 2027, for labor realignment efforts supporting SAC Peak mercury draining remediation work.

Place of performance is Sunspot, NM. The order is priced on a time-and-materials basis and carries no set-aside designation. This delivery order represents a no-cost labor realignment against Thornton Tomasetti's parent single-award indefinite delivery contract from NSF's Directorate for Mathematical and Physical Sciences for SAC Peak emergency mercury removal engineering and remediation services, which was awarded in March 2026 with a $20 million ceiling through March 2027.

Quick answers

Who was awarded contract 49100426F0159?

49100426F0159 was awarded to Thornton Tomasetti, Inc. by Division of Acquisition and Cooperative Support (National Science Foundation) on September 23, 2026.

How much is contract 49100426F0159 worth?

The government has obligated $9,999,334 on 49100426F0159.

Which agency awarded contract 49100426F0159?

Division of Acquisition and Cooperative Support (National Science Foundation) awarded 49100426F0159, with funding from Directorate for Mathematical and Physical Sciences (National Science Foundation).

Is contract 49100426F0159 an order under another contract?

Yes. 49100426F0159 is a delivery order under 49100426D0001, an indefinite delivery contract.

Was contract 49100426F0159 competed?

The extent of competition for 49100426F0159 was not competed.

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