Rehabilitation & Repair

Rehabilitation and upgrading of existing hydro plants is vital to ensure the continued reliable operation of these valuable assets, in addition to increasing global hydroelectric generating capacity.

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Latest Rehabilitation & Repair News

Zambia seeks consultants for multi-purpose dam planning, small dams design

07/31/2014

The government of Zambia invites expressions of interest to consolidate and update the nation's water resources development planning, to design construction and rehabilitation of at least 100 small dams, and to strengthen Zambia's hydro-meteorological monitoring network.

BNDES credit line includes hydropower plant maintenance

07/30/2014

Brazil's Banco Nacional de Desenvolvimento Economico e Social (BNDES) has approved a US$143 million credit line to energy firm Tractebel.

U.S. seeks intake screens, frames for 130-MW Barkley, 184-MW Kentucky locks, dams

07/30/2014

The U.S. Army Corps of Engineers seeks bids for fabrication of intake screens and frames for 130-MW Barkley Lock and Dam and 184-MW Kentucky Lock and Dam in Kentucky.

U.S. extends bidding for fish passage overhaul at 810-MW Lower Granite Dam

07/29/2014

The U.S. Army Corps of Engineers has extended the deadline for bids to perform major construction to upgrade the juvenile fish passage facility at 810-MW Lower Granite Dam on the Snake River in Washington.

Corps awards contracts for emergency equipment rehab, replacement at northwestern facilities

07/29/2014

The U.S. Army Corps of Engineers has awarded an indefinite-delivery, indefinite-quantity (IDIQ) contract to Alstom, Andritz, National Electric Coil and Voith for the emergency rehabilitation or replacement of turbines, generators and pump motors in the Corps' Northwestern Region.

Canada utility extends bidding for gates installation at 47-MW Ladore hydro project

07/29/2014

Canadian utility BC Hydro has extended the deadline for bids to install replacement intake gates at the 47-MW Ladore hydroelectric project on the Campbell River in British Columbia.

U.S. seeks bids to refurbish, paint tainter gates at 340-MW Bull Shoals Dam

07/28/2014

The U.S. Army Corps of Engineers seeks bids to refurbish and paint tainter gates at 340-MW Bull Shoals Dam on Arkansas' White River.  

Seattle City Light completes rewinding of unit at Boundary Dam hydropower project

07/28/2014

Unit 53 is back in operation at Seattle City Light's 1,003-MW Boundary Dam hydropower project, the northewestern utility reported.

Canada utility seeks piezometric tests at Duncan Dam

07/24/2014

Canadian utility BC Hydro seeks bids to perform piezometric response tests at Duncan Dam on the Kootenay River in British Columbia.

Emagineered Solutions wins contract for Big Bend monolith joint repairs

07/23/2014

The U.S. Army Corps of Engineers has awarded a US$559,000 contract to Emagineered Solutions Inc. for remedial waterstop repairs in the upstream monolith joints at the 494.3-MW Big Bend hydroelectric project.

Voith Hydro displays new StreamDiver hydro turbine at HydroVision International 2014

07/22/2014

Technology and equipment manufacturer Voith Hydro is exhibiting a number of its environmentally-friendly hydropower innovations at HydroVision International 2014, which is currently taking place in Nashville, Tenn.

Back to our Roots: The Return of an Old Friend for Turbine Bearing Rehab

07/21/2014

When faced with the need for an efficient bearing solution for the 242-MW Osage hydropower plant, Ameren sought an option that would extend bearing life and found bearings made of lignum vitae wood fit the bill.

Cold Weather Survival Training for Operators of Remote Hydro Plants

07/21/2014

Personnel who work at remote hydroelectric facilities, like those in the Northern Manitoba area of Canada, may be faced with an overnight stay outdoors. To ensure worker safety, Manitoba Hydro administers a Cold Weather Survival program that equips personnel with the skills they need to survive.

Diving In: Creative Repair Solution at Horse Mesa Dam

07/21/2014

When a unit at Salt River Project's 129-MW Horse Mesa project suffered a catastrophic failure, a creative option was needed to repair the unit, whose intake structure is 160 feet below the lake surface. The solution chosen, called "saturation diving," involved using special equipment to replicate living at underwater pressures during the task.

Lift System Letting You Down? Troubleshooting Problems

07/21/2014

The high-pressure jacking oil system on a hydrodynamic bearing is an often-overlooked component that can cause bearing problems if not properly inspected and maintained.

Dam Safety & Security

07/21/2014

Collection of articles covering safety and security of dams and civil structures for July 2014

Canada utility seeks intake gates installation for 47-MW Ladore hydro project

07/18/2014

Canadian utility BC Hydro seeks bids to install replacement intake gates at the 47-MW Ladore hydroelectric project on the Campbell River in British Columbia.

U.S. seeks fish passage system overhaul at 810-MW Lower Granite Dam

07/17/2014

The U.S. Army Corps of Engineers seeks bids to perform major construction to upgrade the juvenile fish passage facility at 810-MW Lower Granite Dam on the Snake River in Washington.

U.S. seeks bids for switchyard upgrades at 320-MW Fort Randall Dam

07/16/2014

The U.S. Army Corps of Engineers seeks bids to upgrade the switchyard at the 320-MW Fort Randall hydroelectric project on the Missouri River in South Dakota.

U.S. seeks generator thrust bearing coolers for 2,620-MW Chief Joseph Dam

07/14/2014

The U.S. Army Corps of Engineers seeks bids to supply generator thrust bearing coolers for 2,620-MW Chief Joseph Dam on the Columbia River in Washington.


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