NSF award 2620508 · The University of Central Florida Board of Trustees

Collaborative Proposal: Understanding Backward Erosion Piping in Geotechnical Flood Protection Infrastructure

Final report due

29 December 2027

in 437 days · The award ends on 31 August 2027.

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Decide about an extension3 May 2027in 197 days
award ending 2027-08-31 · Research.gov
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Extension request17 Jul 2027in 272 days
award ending 2027-08-31 · Research.gov
PAPPG 24-1: “at least 45 days prior to the end date”
No-cost extension notice21 Aug 2027in 307 days
award ending 2027-08-31 · Research.gov
PAPPG 24-1: “at least ten calendar days prior to the end date”
Final report due29 Dec 2027in 437 days
award ending 2027-08-31 · Research.gov
PAPPG 24-1: “no later than 120-days following the end date of the award”
Project outcomes report due29 Dec 2027in 437 days
award ending 2027-08-31 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out29 Dec 2027in 437 days
award ending 2027-08-31 · Research.gov
PAPPG 24-1: “financially closed out 120 days after their expiration date”

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NSF lists this award's end date as 31 August 2027.
NSF rules say the final report is due no later than 120 days after that.
So the final report is due by 29 December 2027.

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Award card

Award number: 2620508
Period of support: 1 Feb 2026 – 31 Aug 2027
Amount: $317,811
Awardee: The University of Central Florida Board of Trustees, Orlando, FL
Program: ECI-Engineering for Civil Infr
Directorate: ENG

Abstract

This award supports research on understanding and predicting the evolution of the backward erosion piping (BEP) phenomenon in geotechnical flood protection infrastructure. BEP is a type of internal erosion mechanism, where soil in a permeable sand layer that resides underneath the cohesive foundation of river levees progressively erodes. BEP has been found to be the present in nearly one third of all recorded…

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