Category: Hydro Maintenance

SAFETY FIRST • ON SCHEDULE • UNDER BUDGET

USACE – Lower Granite Lock and Dam Spillway Pit Tag Monitoring System Installation

At Lower Granite Lock and Dam near Pomeroy, Washington, Olsson Industrial Electric installed a pit tag monitoring system to support spillway data collection operations. The project included pit tag antennas in the spillway, a transceiver data collection room, instrumentation, and a 480V distribution system, delivering critical electrical infrastructure for this specialized monitoring installation on the Snake River.

USACE – Detroit and Big Cliffs Dam Reliability Upgrades

Olsson Industrial Electric completed a project to upgrade integral electrical components at the respective powerhouses for Detroit and Big Cliff Dams. Olsson replaced vintage 13.8 kV gallery switchgear in both powerhouses. The Detroit Dam switchgear was previously destroyed in a fire, lowering the dam’s output potential. This project restored Detroit...

USACE – John Day North Fish Ladder AWS Pump Replacement

Olsson Industrial Electric was awarded a best value Design-Build contract by the Northwest Region, Portland District Army Corps of Engineers, to provide field removal of the existing AWS Pumps, installation of upgraded AWS Pump Systems, installation and fabrication of a new Power Distribution System and incidental related work at the...

USACE – McNary Lock and Dam Station Service Improvements

In May of 2014, Olsson Industrial Electric was awarded a prime contract to modernize the station service electrical distribution system at the McNary Lock and Dam – a four year effort to replace nearly all of the existing 4160 V Station Service equipment. Construction began with two iso-phase bus taps...

USACE – Dalles Dam Station Service Improvements

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...

USACE – Bonneville Dam Station Service Improvements

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...

USACE – Robert S. Kerr Dam Modernization of Electrical Infrastructure

Overall Project consisted of the following: Replacement of (4) main 15kV switchgear lineups. Replacement of 480V station service switchgear. Installation of new Generator Step-up (GSU) transformers, supplied by others. New 15 kV bus from generator to switchgear and from GSU transformers to switchgear. Replacement if unwatering/sump pumps and motors. Replacement...

USACE – The Dalles Dam Navlock Upgrade

The Dalles Navlock Project required a complete overhaul of the electrical power distribution at the Navlock from the point of connection of the 4160 Volt feeders from the powerhouse to the low voltage feeders. Design, manufacture, and install the following:4160V feeders with dead brake transformers. LSQ4169 to 480 V substation...

USACE – Lower Granite Dam Spillway Pit Tag Monitoring System

Olsson was responsible for the design, manufacturing, and installation of a double-decker structure that would house the Government's Instrumentation Transceiver Rooms. Structure was fabricated at Olsson’s shop in Springfield, OR and then shipped and installed at Lower Granite Lock and Dam

Douglas County PUD – Wells Dam MCC Replacement

Manufacture and deliver (20) Motor Control Centers (MCC's). Install (10) of the Motor Control Centers for A-Boards. The other (10) B-board Motor Control Centers were installed by the District. Install associated wiring and supporting hardware to allow for Motor Control Center Installation