Casper Outer Loop Project – 115kV & 69kV

Client: Rocky Mountain Power

Location: Casper, WY

Length: 7 miles

Completion: June 2015 – December 2015


  • 115kV transmission line re-route with OPGW and ADSS underbuild
  • Rebuilt distribution line from structures 2/7 to 12/6
  • Steel pole and wood pole structures
  • Reinforced concreted drilled pier foundations and direct embedment foundations

Highlight: Substation work included the install of 115kV horizontal and vertical switches, bus, jumpers and underground fiber optics

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