NSF award 2550343 · The University of Texas Rio Grande Valley

ERI: Multiscale Modeling of Tidal Flow and Sediment Dispersion Near Offshore Monopiles

Final report due

30 May 2028

in 590 days · The award ends on 31 January 2028.

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Dates this award owes

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Decide about an extension3 Oct 2027in 350 days
award ending 2028-01-31 · Research.gov
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Extension request17 Dec 2027in 425 days
award ending 2028-01-31 · Research.gov
PAPPG 24-1: “at least 45 days prior to the end date”
No-cost extension notice21 Jan 2028in 460 days
award ending 2028-01-31 · Research.gov
PAPPG 24-1: “at least ten calendar days prior to the end date”
Final report due30 May 2028in 590 days
award ending 2028-01-31 · Research.gov
PAPPG 24-1: “no later than 120-days following the end date of the award”
Project outcomes report due30 May 2028in 590 days
award ending 2028-01-31 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out30 May 2028in 590 days
award ending 2028-01-31 · Research.gov
PAPPG 24-1: “financially closed out 120 days after their expiration date”

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How we got this date

NSF lists this award's end date as 31 January 2028.
NSF rules say the final report is due no later than 120 days after that.
So the final report is due by 30 May 2028.

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Award card

Award number: 2550343
Period of support: 1 Feb 2026 – 31 Jan 2028
Amount: $200,000
Awardee: The University of Texas Rio Grande Valley, Edinburg, TX
Program: Special Initiatives
Directorate: ENG

Abstract

Offshore structures support critical activities such as energy production, transportation, and environmental observation in coastal and ocean environments. These structures rest on seabed sediments that can be disturbed by strong currents. Erosion of the seabed near the foundations of the structures creates depressions that threaten structural stability, increase maintenance costs, and disrupt nearby marine…

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