Saturday, November 18, 2017


  


Scope of Work
Work included the above grade construction of a new 345/115 kV substation along with the upgrades, modifications and tie-ins to an existing substation.

Project Details
  • Constructed a 345 kV substation yard consisting of 11 circuit breakers, 31 switches, 21 CVT’s, 18 Surge Arresters, and 4 Wave Traps
  • Constructed a 115 kV substation yard consisting of 5 circuit breakers, 19 switches, 9 VT’s, and 6 Surge Arresters
  • Erected structural steel including 8 – 345 kV double dead end structures, 3 – 115 kV double dead end structures, and all associated equipment stands and bus supports
  • Pulled 310,000 lf of cable
  • Installed all above grade conduit and junction boxes
  • Installed over 7,200 lf of aluminum bus and mechanical fittings
  • Fabricated and installed cable strain bus assemblies
  • Connected 345/115 kV Autotransformer
  • Performed upgrades to an existing, adjacent substation
  

Unique Challenge



Maintained an aggressive schedule while working through harsh winter conditions in the Vernon, VT area.

Project Information

Owner:
Vermont Transco, LLC – Vermont Electric Power Company

Type of Project:
Electrical Transmission & Distribution

Construction Schedule:
Completed June 2010

Location:
Vernon, VT
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