Marquam Radial Feeder System

Portland, Oregon

Large vault installation, Portland OR

The Marquam Radial scope expanded the Marquam substation to deliver service to Portland’s South Waterfront, as well as accommodate future radial feeder getaways. A complete turnkey project, EXC crews installed distribution infrastructure and underground switch vaults within Portland Bureau of Transportation (PBOT) and Oregon Dept. of Transportation (ODOT) right of ways.  

Business Line: Electric
Performed By: Extreme Excavating Company
Delivery Method: Construction services

Project Highlights

  • 800′ of open trenching
  • (8) large underground switch vaults
  • 140′ jack and bore below Highway 26

Project Services

  • Open trenching
  • Jack and bore
  • Large vault installation