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Pomona to Vantage 230kV Transmission Line – 230kV

Client: Pacificorp

Location: Yakima, WA

Length: 41 miles

Completion Date: May 2020

Scope/Description:

  • 330 wood pole H-frame and 25 single circuit steel monopole structures
  • 1271 Bittern conductor with 3/8” shield wire and OPGW
  • Re-attach existing distribution underbuild
  • Install aerial lighting and monitoring on structures near the Yakima Training Center and Columbia River

Highlight: Two custom steel H-frame structures were installed on reinforced concrete drilled piers with ACCC conductor over the Columbia river crossing.