Canals, Tunnels & Penstocks

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

Pakistan extends civil works solicitation for 2,160-MW Dasu Stage 1 hydro project

09/16/2014

Pakistan's Water and Power Development Authority (WAPDA) has extended the deadline for applications for pre-qualification to perform major civil works construction of the 2,160-MW Dasu Stage 1 hydroelectric project on Pakistan's Indus River.

Developer seeks construction of 38.12-MW Mati hydro complex in Albania

09/10/2014

Austria hydropower developer Enso Hydro seeks bids to construct the three-plant, 38.12-MW Mati hydropower complex on the Mati River in Albania.

French utility seeks power tunnel, penstock rehab at 34-MW Sabart hydro project

09/04/2014

Electricite de France (EDF) seeks bids to rehabilitate the power tunnel and replace penstock sections and the discharge conduit of the 34-MW Sabart hydroelectric project in France.

BC Hydro to seek engineering of dams, spillways, penstocks

08/26/2014

Canadian utility BC Hydro plans to seek proposals from engineering consulting firms to engineer water retention and conveyance structures over at least seven years for the hydropower utility.

Tunneling complete at Turkey's 104-MW Kargi hydropower plant

08/01/2014

A tunnel boring machine has broken through 7.8 km of rock in preparation for construction of Turkey's 104-MW Kargi hydroelectric plant, manufacture Robbins Co. said.

Canada utility seeks engineering to refurbish Salmon River Dam

07/09/2014

Canadian utility BC Hydro seeks bids for engineering design services to refurbish Salmon River Diversion Dam in British Columbia.

Mechanical Couplings Replace Welding at Canoe Creek

06/18/2014

With its lush greenery and old-growth trees, the Pacific Rim Rainforest is a beautiful place to visit. But it can be a difficult place to work: annual precipitation is among the highest in the world, and the terrain can be steep and uneven.

Forrest Kerr: A Profile of Canadian Hydropower Development

06/18/2014

As one of three newly constructed AltaGas projects in the Pacific Northwest, the 195-MW Forrest Kerr hydropower project is set to be commissioned this summer. It is one of the largest single intake run-of-river projects in North America.

India state again extends qualifying to build 300-MW Lakhwar hydro project

06/17/2014

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

Italy water utility seeks aqueduct work to supply 973-kW Alcantara 1 hydro project

05/30/2014

Italian water utility Siciliacque SpA seeks bids to modify a water supply aqueduct to enable construction of the 973.77-kW Alcantara 1 hydroelectric project in Sicily.

Bolivia seeks bids to complete interrupted dam work on 80-MW Misicuni hydro project

05/23/2014

Empresa Misicuni, Bolivia's special purpose company to develop the Misicuni multi-purpose hydroelectric project, seeks bids from firms to resume construction of Misicuni Dam, spillway and related underground construction works.

World Bank Group approves financing for Nepal's Kabeli-A hydroelectric plant

05/20/2014

The World Bank Group has approved US$84.6 million in financing that will be used to fund Nepal's 37.6-MW Kabeli-A hydroelectric plant.

Replacing an Aged Woodstave Penstock

05/20/2014

The 40-plus-year-old penstock supplying water to the 29-MW Rocky River pumped-storage plant was replaced with a smaller-diameter pipe that actually increases water flow to the plant, boosting power generation.

India state extends qualifying to build 300-MW Lakhwar hydro project

05/12/2014

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

Turkey developer seeks civil, hydro-mechanical works for 80-MW Yamanli 2 hydro project

05/07/2014

Turkish hydropower developer EnerjiSA Enerji Uretim A.S. seeks bids for civil and hydro-mechanical works of the 80-MW Yamanli 2 hydroelectric project on Turkey's Goksu River.

195-MW Forrest Kerr hydroelectric plant nears completion

05/01/2014

Canadian utility AltaGas Ltd. has announced the start of waterflow at its 195-MW Forrest Kerr hydropower project.

Dimensionally Homogeneous Form of the Chezy and Manning Equations

04/24/2014

Chezy and Manning equations, the foundation of our present science of open channel hydraulics, are not dimensionally homogeneous. The author presents a new derivation of these equations that reveals the constituent parts of these coefficients, allowing for calculation of more accurate values.

U.S. seeks spillway channel excavation at Canton Lake Dam

04/23/2014

The U.S. Army Corps of Engineers seeks bids to perform the remaining excavation that will allow flows into a new auxiliary spillway at Canton Lake Dam on the North Canadian River in Oklahoma.

AES awards contract for underground work at Alto Maipo hydroelectric plant

04/17/2014

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

04/15/2014

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.


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