Bonneville Dam Station Service Improvements

Overview

In October of 2011, Olsson Industrial Electric was awarded a prime contract on a station service switchgear replacement project at the Bonneville Dam. This project included the replacement of three double ended 480 V substations, associated medium voltage cabling, integration with GFE transformer and controls, high resistance ground systems, and panel boards. Additionally, this project included the application of temporary power sources to ensure continued power plant operations during all construction and commissioning phases.

Scope

  • Removal of existing 480 V switchgear lineups
  • Design, supply and installation of new 480 V switchgear lineups
  • Installation of transformers and addition of air terminal chambers for double ended substations
  • Analysis, design and installation of surge capacitators
  • Replacement of 13.8 kV feeders
  • Installation and integration of remote operating panels
  • Installation and programming of digital protective device relays and automatic transfer controls
  • Supply of remote racking devices and training on new switchgear

Highlights

  • Zero safety incidents while working in an energized power production facility
  • “Outstanding” performance rating from the U.S. Army Corps of Engineers
Client: U.S. Army Corps of Engineers
Location: Cascade Locks, Oregon
Timeline: October 2011 – March 2013
Divisions: Construction, Controls & Engineering
Value: $4,600,00

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