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    Considerations in the design, construction, maintenance and repair of cannels, tunnels and penstocks associated with hydroelectric projects.

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    Latest Canals, Tunnels & Penstocks News

    AES awards contract for underground work at Alto Maipo hydroelectric plant


    A group comprised of Norway's Multiconsult, Skava of Chile and Amberg of Switzerland has been awarded a contract to provide owners engineer services for underground works at the 531-MW Alto Maipo hydroelectric project in Chile.

    India's NHPC revives pre-qualifying to construct 800-MW Tawang 2 hydro project


    India's NHPC Ltd. invites applications for pre-qualification to construct civil works of the 800-MW Tawang 2 hydroelectric project in India's Arunachal Pradesh State.

    Bosnia pre-qualifies firms to build 20-MW Vranduk hydropower project


    Utility Elektroprivreda of Bosnia and Herzegovina invites applications for pre-qualification to construct the 20-MW Vranduk hydroelectric project in Bosnia and Herzegovina.

    Turkey firm seeks bids to complete construction of 62-MW Dogancay hydro project


    Turkish hydropower developer EnerjiSA Enerji Uretim A.S. seeks bids to complete construction and hydro-mechanical works of the 62-MW Dogancay hydroelectric project on Turkey's Dogancay Stream.

    ASI-Marine unveils new tool for hydropower project tunnel inspections


    A new remotely operated vehicle (ROV) from Canadian manufacturer ASI-Marine Technology is capable of giving a comprehensive view of partially-flooded waterways.

    India state seeks firms to build 300-MW Lakhwar hydroelectric project


    State utility Uttarakhand Jal Vidyut Nigam Ltd. (UJVNL) invites applications for pre-qualification to construct the 300-MW Lakhwar multi-purpose hydroelectric project on the Yamuna River in India's Uttarakhand State.

    Georgia renews call to refurbish waterways of 1,250-MW Enguri, 245-Vardnili cascade


    Georgia project operator Engurhesi Ltd. seeks bids for civil works construction to refurbish waterways and to construct a new discharge channel for the 1,250-MW Enguri hydroelectric project and the 245-MW Vardnili hydropower cascade on Georgia's Enguri River.

    Construction of 100-MW Gotsatlinskaya hydropower project 75% complete, RusHydro says


    Work on the 100-MW Gotsatlinskaya hydropower plant is now 75% complete, Russian utility and project developer JSC RusHydro said.

    Corps awards contract for conduit and lining replacement at Blakely Mountain hydropower project


    The U.S. Army Corps of Engineers has awarded a US$1.58 million contract to the Hartman-Walsh Painting Co. to replace hydropower conduit coating and lining systems at the 75-MW Blakely Mountain hydropower project.

    Tech Notes


    Hibbard Inshore provides underwater services at Australia's Snowy Mountain hydropower project


    Underwater services provider Hibbard Inshore has completed another round of inspections of Australia's 3,756-MW Snowy Mountains hydropower project using its tethered vehicles, the Michigan-based company has announced.

    French utility seeks construction of 3.2-MW Encombres hydroelectric project


    Local utility Synergie Maurienne seeks bids to construct the 3.2-MW Encombres a Saint Martin la Porte hydroelectric project on Bonrieu Creek in France's Savoy Region. 

    U.S. seeks firms to modify fish collection channel at 810-MW Lower Granite Dam


    The U.S. Army Corps of Engineers seeks information on firms able to modify a juvenile fish collection channel at 810-MW Lower Granite Dam on the Snake River in Washington.

    Keokuk Energy Center: Harnessing the Power of the Mississippi


    As the largest hydroelectric station on the Mississippi River and the site of a number of firsts for the industry, the Keokuk Energy Center in Iowa has been making history since it began operating in 1913. Keokuk is the latest inductee to the Hydro Hall of Fame.

    RusHydro begins spillway replacement at 30-MW Yegorlykskaya hydro plant


    Russian conglomerate JSC RusHydro has begun constructing a new spillway at its 30-MW Yegorkykskaya hydropower plant as part of a rehabilitation and modernization effort at its projects along the Kuban River.

    Austria utility seeks tunnel rehab at 9.58-MW Opponitz


    Vienna utility Wien Energie GmbH seeks bids for tunnel rehab at the 9.58-MW Opponitz hydroelectric project on Austria's Ybbs River.

    Canada's BC Hydro seeks diving services throughout British Columbia


    Canadian utility BC Hydro invites applications for pre-qualification to provide commercial diving services to the hydropower utility at locations throughout British Columbia.

    Afghanistan seeks bids to build 500-kW Baharak, 500-kW Topchi small hydro projects


    Afghanistan's electricity authority seeks bids for construction of the 500-kW Baharak and 500-kW Topchi small hydro projects in Afghanistan.

    New Calibration Equation for the Winter-Kennedy Piezometer System


    A new equation for calibrating data gathered using a Winter-Kennedy piezometer system, tested using data from Unit 4 at the 810-MW Lower Granite project, could provide better correlation of results than traditional methods of calibration.

    Kenya reissues call for Thwake water resources project, seeks Thika Dam project work


    Kenya water agencies reissued a call for consultants to review design and supervise construction of the Thwake multi-purpose water resources project and issued a new call to supervise construction of works related to Thika Dam.

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