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

U.S. again extends bidding for arc flash mitigation at 25.5-MW Minidoka, 176.5-MW Palisades hydro projects

07/02/2015

The Bureau of Reclamation again extended bidding to provide arc flash mitigation at the 25.5-MW Minidoka and 176.564-MW Palisades hydroelectric projects in Idaho. 

Turbine components sought for Peru's 210-MW Restitucion hydro project

07/02/2015

The United Nations Office for Project Services (UNOPS) seeks bids to supply mechanical components for hydropower turbines of the 210-MW Restitucion hydroelectric project in Peru.

U.S. extends call to replace generator windings at 402-MW Dworshak hydro project

07/02/2015

The U.S. Army Corps of Engineers has extended the deadline for bids to replace generator windings of the Unit 3 turbine-generator at the 402-MW Dworshak Dam hydroelectric project in Idaho. 

Voith completes upgrades at Switzerland's 11-MW Ruchlig small hydropower plant

07/01/2015

The rehabilitation and upgrade of Switzerland's 11-MW Ruchlig hydropower plant will benefit both its operator and the environment, global technology manufacturer Voith said.

Manitoba Hydro again extends call for turbine-generators at Canada's 78-MW Pointe du Bois hydro project

06/30/2015

Canadian utility Manitoba Hydro again extended the deadline for proposals to design, supply and install turbines, generators and related equipment at the 78-MW Pointe du Bois hydroelectric project on the Winnipeg River in Manitoba.

Dam Safety and Security

06/29/2015

Collection of articles covering safety and security of dams and civil structures

Sweet Success: Rehabilitating Governor Controls at a Century-Old Facility

06/29/2015

Upgrading from mechanical to digital controls on venerable hydroelectric generation units optimizes operation and reliability.

U.S. extends bid date for dam safety construction at Addicks, Barker dams in Texas

06/29/2015

The U.S. Army Corps of Engineers has extended the deadline for bids for dam safety construction at Addicks and Barker dams, which protect the Houston area from flooding.

Analyzing and Repairing a Cracked Head Cover

06/29/2015

When a condition assessment of a turbine head cover revealed multiple cracks and anomalies, Manitoba Hydro personnel learned valuable lessons regarding the importance of records management and details of historical weld procedures, as well as challenges with cast iron repair.

Power Machines begins turbine renovations at Latvia's 192-MW Kegums 2 hydroelectric plant

06/26/2015

Russian manufacturer Power Machines has begun a renovation of three generating units at Latvia's 192-MW Kegums 2 hydropower plant.

Sayano-Shushenskaya hydropower plant's capacity upped with completion of new transmission line

06/25/2015

A new high-voltage transmission line has allowed Russian generator RusHydro to increase the maximum output capacity of the Sayano-Shushenskaya hydropower project.

U.S. extends bidding for arc flash mitigation at 25.5-MW Minidoka, 176.5-MW Palisades hydro projects

06/25/2015

The Bureau of Reclamation has extended bidding to provide arc flash mitigation at the 25.5-MW Minidoka and 176.564-MW Palisades hydroelectric projects in Idaho. 

U.S. seeks relays, switchgear for 21.5-MW St. Marys Falls hydro project

06/24/2015

The U.S. Army Corps of Engineers seeks bids to replace protective relays and switchgear/motor control assemblies at the 21.5-MW St. Marys Falls hydro project on the St. Marys River at Sault Ste. Marie, Mich.

Slovenia utility extends call to refurbish 200-kW Goricane hydro project

06/24/2015

Slovenia hydropower utility Savske Elektrarne Ljubljana d.o.o. has extended the deadline for bids for construction to refurbish the 200-kW Goricane hydropower project in Slovenia.

Ukraine seeks turbine-generator rehab at three hydro projects

06/22/2015

Hydropower operator PJSC UkrHydroEnergo seeks bids for rehabilitation of turbine-generators at three hydroelectric projects in Ukraine.

U.S. seeks gate control system upgrade at Pennsylvania's Braddock Dam

06/18/2015

The U.S. Army Corps of Engineers seeks bids to upgrade the gate control system of Braddock Dam in Pennsylvania.

Lake Delhi Dam failure

Work slows on Lake Delhi Dam construction after a temporary wall fails

06/18/2015

A temporary steel construction wall placed at the site to aid installation of the new Lake Delhi Dam failed June 14.

Macedonia seeks repair of flood-damaged Pishica Dam

06/18/2015

Macedonia's agriculture and water agency seeks bids to repair the flood-damaged Pishica Dam at Probishtip, Macedonia.

U.S. seeks firms for governor replacement at up to four hydro projects

06/17/2015

The U.S. Army Corps of Engineers seeks information on firms able to replace governor systems at up to four hydroelectric projects in the southeastern U.S. 

U.S. seeks HVAC upgrades at 402-MW Dworshak hydro project

06/16/2015

The U.S. Army Corps of Engineers seeks bids to upgrade the heating-ventilation-air conditioning system at the 402-MW Dworshak Dam hydroelectric project in Idaho.

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