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News and information on dams and civil structures, including dam safety, dam design and construction, canals, tunnels, and penstocks, and underwater work.

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Latest Dams & Civil Structures News

Emagineered Solutions

Emagineered Solutions wins contract for Big Bend monollith 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.

John Hart Hydroelectric Plant

Replacement of Canada's John Hart hydroelectric plant now under way

07/23/2014

The replacement of the 126-MW John Hart hydroelectric plant has begun, following a ceremony that featured British Columbia's Minister of Energy and Mines Bill Bennett.

Deploying an Ice Boom at Jenpeg Generating Station

07/21/2014

During the winter months, production of frazil ice upstream of Jenpeg Generating Station in northern Manitoba has been known to cause operational problems, including the blockage of powerhouse intakes.

Removing Dillsboro Dam: A Wise Decision

07/21/2014

It may seem counterintuitive to remove a dam that impounds water for an operating powerhouse, but for Duke Energy this decision avoided significant costs at its other hydro projects and eliminated lost generation resulting from the installation of bypass flow facilities.

CFD Modeling to Design a Fish Lift Entrance

07/21/2014

A three-dimensional computational fluid dynamics model of the tailrace at Milford Dam indicated there would be no areas approaching the entrance to the new fish lift where flow velocity prevented fish from entering the lift.

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.

Dam Safety & Security

07/21/2014

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

Oh How Far We've Come!

07/21/2014

As HydroVision International, the world's largest hydropower event, celebrates 20 years, we take a look back to see how far it's come and learn some of the factors that have contributed to its success.

San Vicente Dam

Raising of California's San Vicente Dam complete

07/18/2014

The San Diego County Water Authority has completed a raise of the San Vicente Dam, adding 152,000 acre-feet of water storage capacity to the reservoir.

Dam Safety

Emagineered Solutions wins contract for Big Bend monollith joint repairs

07/23/2014 The U.S. Army Corps of Engineers has awarded a US$559,000 contract to Em...

Replacement of Canada's John Hart hydroelectric plant now under way

07/23/2014 The replacement of the 126-MW John Hart hydroelectric plant has begun, f...

Dam Design & Construction

Raising of California's San Vicente Dam complete

07/18/2014 The San Diego County Water Authority has completed a raise of the San Vi...

Engineering and design firm AECOM acquires URS Corp.

07/17/2014 Engineering, construction and design firm AECOM has announced it will ac...

Canals, Tunnels & Penstocks

Canada utility seeks engineering to refurbish Salmon River Dam

07/09/2014 Canadian utility BC Hydro seeks bids for engineering design services to ...

Mechanical Couplings Replace Welding at Canoe Creek

06/18/2014 With its lush greenery and old-growth trees, the Pacific Rim Rainforest ...

Underwater Work

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...

Norway operator seeks trash rake, transformers, switchgear for 30-MW Ramfoss hydro project

07/14/2014 Norwegian hydro operator Ramfoss Kraftlag invites applications for pre-q...


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