Olsson-Industrial-Bonneville-Dam-1303x869

Bonneville Dam Station Service Improvements

Overview

In October of 2011, Olsson Industrial Electric completed a prime contract to upgrade the Station Service electrical systems at the Bonneville Lock and Dam. Improvements 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

Removed existing 480 V switchgear lineups
Designed, supplied and installed new 480 V switchgear lineups
Installed transformers and addition of air terminal chambers for double ended substations
Analyzed, designed and installed surge capacitators
Replaced 13.8 kV feeders
Installed and integrated remote operating panels
Installed and programmed digital protective device relays and automatic transfer controls
Supplied 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: $4,600,000