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

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.

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

03/28/2014

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

03/24/2014

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

03/24/2014

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

03/21/2014

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

03/11/2014

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.


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