Justification

J&A for Structural Engineering and Liquid Mercury Removal and Remediation Services for the Dunn Solar Telescope (DST)

NSF260002

National Science Foundation, Office of Polar Programs. Engineering Services.

Awarded

$0.00 obligated so far on USAspending, March 20, 2026, contract 49100426D0001

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This one was awarded in 2026

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As published on SAM.gov.

See Redated J&A.

Federal procurement data the awarding office reported to FPDS, matched to this solicitation by its number.

Recipient: Thornton Tomasetti, Inc.
UEI: LGWMGNMDN987
CAGE: 0F747
Vendor location: New York, NY
Contract: 49100426D0001
Obligated: $0.00, potential $20,000,000
Actions: 1 between March 20, 2026 and March 20, 2026
Competition: Not Competed, 1 offer received
Set-aside reported: No Set Aside Used.
Described as: Sak Peak DTS Emergency Mercury Removal
Match: award number 49100426D0001 equals the contract number; same sub-agency 4900 (high confidence)
Record: USAspending award page

Every notice SAM.gov issued under this solicitation number, oldest first. Each is a separate record on SAM.