NSF award 2606146 · Vanderbilt University

Collaborative Research: Enabling Safe and Efficient Restoration of Drinking Water Systems through Multiphase Flow Modeling and Control

Final report due

28 January 2030

in 1,198 days · The award ends on 30 September 2029.

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Decide about an extension2 Jun 2029in 958 days
award ending 2029-09-30 · Research.gov
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Extension request16 Aug 2029in 1033 days
award ending 2029-09-30 · Research.gov
PAPPG 24-1: “at least 45 days prior to the end date”
No-cost extension notice20 Sep 2029in 1068 days
award ending 2029-09-30 · Research.gov
PAPPG 24-1: “at least ten calendar days prior to the end date”
Final report due28 Jan 2030in 1198 days
award ending 2029-09-30 · Research.gov
PAPPG 24-1: “no later than 120-days following the end date of the award”
Project outcomes report due28 Jan 2030in 1198 days
award ending 2029-09-30 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out28 Jan 2030in 1198 days
award ending 2029-09-30 · 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 30 September 2029.
NSF rules say the final report is due no later than 120 days after that.
So the final report is due by 28 January 2030.

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Award card

Award number: 2606146
Period of support: 1 Oct 2026 – 30 Sep 2029
Amount: $316,475
Awardee: Vanderbilt University, Nashville, TN
Program: ISP-Infrastructre Systms & Ppl
Directorate: ENG

Abstract

Drinking water service is expected to be restored quickly after water mains are repaired, new lines are installed, or communities expand. Yet refilling an empty water main can create hidden hazards. As water enters the pipe, trapped air is compressed and displaced, producing damaging pressure surges that can cause additional pipe damage, water loss, longer service interruptions, and increased repair costs. Filling…

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