SEAoT AUSTIN

August Meeting

  • 25 Aug 2016
  • 11:45 AM - 1:00 PM (CDT)
  • Maggiano's Little Italy - Domain
  • 15

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Transmission Line Rapid Response Management Following an Extreme Weather Event

Presented by LCRA:
Adrian Sepulveda, Oliver ChiangJames Denman, David E. SmithDavid Tyler

 

In October of 2015, a tornado knocked out 4 LCRA transmission lines in Central Texas, which included a 48 fiber count optical ground wire (OPGW) carrying critical LCRA communications.  The double circuit 138kV and 345kV transmission lines are located in the same corridor and were damaged in a 2.5 mile long section.  The purpose of this presentation is to discuss how LCRA staff, construction crews, and vendors rapidly responded to this extreme weather event and the lessons learned along the way.  Construction and engineering design decisions and challenges will be discussed in detail.  The presentation will provide insight on contingency response plans developed based on this event and how the damaged transmission lines were restored and re-energized in less than 2 months.   


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