Worthville dam incident randleman nc
This presentation is the property of its rightful owner.
Sponsored Links
1 / 18

Worthville Dam Incident Randleman, NC PowerPoint PPT Presentation


  • 76 Views
  • Uploaded on
  • Presentation posted in: General

Worthville Dam Incident Randleman, NC. 6/16/2013. Timeline. 13:05 – 9-1-1 caller reported “water gushing through a large hole” in the bottom of the dam, and several people were swimming around it. Law enforcement responded.

Download Presentation

Worthville Dam Incident Randleman, NC

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.


- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -

Presentation Transcript


Worthville dam incident randleman nc

Worthville Dam IncidentRandleman, NC

6/16/2013


Timeline

Timeline

  • 13:05 – 9-1-1 caller reported “water gushing through a large hole” in the bottom of the dam, and several people were swimming around it. Law enforcement responded.

  • 20:38 – 9-1-1 caller reported a dam had structural damage and was possibly in danger of collapsing. Fire Department/EM responded.

  • 21:07 – State EOC notified.

  • 00:15 – DENR Inspector on Scene


Size up situation

Size Up - Situation

  • Water was gushing from the bottom of the dam.

  • Water level above dam was dropping at an estimated rate of 3”-5” per hour.

  • Water level was down approximately 2’-3’ upon EM arrival.


Size up the dam

Size Up – The Dam

22 surface acres of water behind the dam

20’ tall

83 acre/ft = 3.6 million cubic ft

230’ long


Size up worst case scenario

Size Up – Worst Case Scenario

H x 0.5=W at Breach


Size up downstream

Size Up – Downstream


Size up downstream1

Size Up – Downstream

0.7 miles downstream.


Size up downstream2

Size Up – Downstream

1.6 miles downstream.


Denr expertise

DENR Expertise

50% water

50% silt


Next day

Next Day


Next day1

Next Day


Next day2

Next Day


Next afternoon

Next Afternoon


Next week

Next Week


Next week1

Next Week


Where are the hazards

Where are the hazards?

  • 204 dams recognized in Randolph County.

  • 56 listed as high/intermediate hazard.

  • Only 4 have EAP’s.

  • 5,646 dams recognized in North Carolina.


What to do to be ready er

What to Do to Be Ready(er)

THE BASICS

  • Identify dam’s in your jurisdiction

  • Work with GIS

  • Identify potential problematic locations downstream in a worst case scenario.

    EXTRA CREDIT

  • Photograph and file

  • Work with dam owners and encourage EAPs.

  • Build predetermined layers for mass notification systems.


Resources

Resources

NCDENR Land Quality Dam Program

http://portal.ncdenr.org/web/lr/dams

DamSafetyAction.org

http://www.damsafetyaction.org/NC/index.php


  • Login