Bonneville Lock and Dam Digital Governor Installation

Overview

Olsson Industrial Electric completed a project to replace several existing Woodward governors at the Bonneville Lock and Dam, Powerhouse II. Olsson removed the existing mechanical governors and associated controls. New conduit and cabling was installed to support the replacement digital governors in main units 11-18 and fish units F1 and F2. In addition, Olsson repaired and refurbished several distributing valves, designed and fabricated transducer mounting brackets and performed asbestos abatement.

Scope

  • Removed existing Woodward governors and controls (Units 11-18, F1 and F2)
  • Installed new conduit and cabling to support digital governors and controls
  • Installed new Government furnished governor controls
  • Disassembled and refurbished or repaired distributing valves
  • Designed and fabricated transducer mounting brackets
  • Designed and installed supporting bracket assemblies for Government furnished equipment
  • Performed asbestos abatement

Highlights

  • Zero safety incidents
Client: U.S. Army Corps of Engineers
Location: Cascade Locks, Oregon
Timeline: January 2013 – September 2014
Divisions: Construction, Controls & Engineering
Value: $2,300,000

Category:

Heavy Industrial Electrical Construction
Hydro Design

Industry Served:

Hydroelectric & Hydropower

Area Served:

Oregon
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The Dalles Dam Station Service Improvements

Overview

Olsson Industrial Electric completed a comprehensive modernization of the station service electrical distribution system at The Dalles Dam, a 2100 MW hydroelectric power generation facility, as the prime contractor. Olsson upgraded the existing 1950’s vintage control system, rerouted and installed new power distribution feeders, replaced wire distribution to improve the quality of the cable infrastructure, and connected a secondary power source to create internal redundancy. The electrical upgrades improved turbine control, power generation efficiency, system reliability and serviceability.

Scope

  • Replaced 4160 V station service protective relaying and breaker controls
  • Installed 2 new 5000 kVa station service transformers
  • Replaced 13.8 kV CLR & vacuum switchgear at main unit Isolated Phase Bus (IBP)
  • Retrofitted five 480 V station service substations and MCC sections
  • Installed 5 new 500 kVA transformers, switchgear sections, and 4160 V switchgear
  • Retrofitted all existing 4160 V switchgear sections
  • Designed, installed and tested redundant DC and preferred AC systems

Highlights

  • Zero safety incidents while working in a hydroelectric generation power production facility
  • “Outstanding” performance rating from the U.S. Army Corps of Engineers
Client: U.S. Army Corps of Engineers
Location: Klickitat County, Washington
Timeline: September 2008 – December 2013
Divisions: Construction, Controls & Engineering
Value: $26,000,000

Category:

Heavy Industrial Electrical Construction
Hydro Design
Hydro Maintenance
Power Distribution

Industry Served:

Hydroelectric & Hydropower

Area Served:

Oregon
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