Dam Design & Construction

News and information on design and construction of dams, including remediation, new builds, gate installation, contract awards and site constraints.

Dam Design & Construction
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Latest Dam Design & Construction News

Bidding extended by U.S. to modify 6.4-MW Guernsey Dam


The Bureau of Reclamation has extended the deadline for bids for structural modifications to 6.4-MW Guernsey Dam on the North Platte River in Wyoming.

Pakistan seeks bridge crane spares for 3,478-MW Tarbela


Pakistan's Water and Power Development Authority (WAPDA) seeks bids to supply spares for two overhead bridge cranes at the 3,478-MW Tarbela hydroelectric project on the Indus River.

Hydro Review inducts three historic plants into 2012 Hydro Hall of Fame


The Ocoee No. 1, Prospect No. 1 and LaGrande Dam Powerhouse are the 2012 inductees into Hydro Review’s Hydro Hall of Fame.

Cost estimator sought for Alaska's 600-MW Susitna-Watana


Alaska Energy Authority seeks bids from firms to perform an independent construction cost estimate for the proposed 600-MW Susitna-Watana hydroelectric project on Alaska's upper Susitna River.

BC Hydro short-lists three bidders to replace 126-MW John Hart


BC Hydro has short-listed three consortia to design and build a 138-MW replacement of the 126-MW John Hart Generating Station on the Campbell River in British Columbia.

Howdyshell Excavating wins $1.2 million contract for work at South River Dam 10A


Howdyshell Excavating Inc. has been awarded a US$1.2 million contract to rehabilitate the South River Dam 10A on Mills Creek in Augusta County, Va.

Modification sought for U.S. 6.4-MW Guernsey Dam


The Bureau of Reclamation seeks bids for structural modifications to 6.4-MW Guernsey Dam on the North Platte River in Wyoming.

Tech Briefs


FEMA releases guide to filters for embankment dams

Canadian Dam Association's call for papers still open


The Canadian Dam Association has extended its deadline for submitting abstracts for the CDA 2012 Annual Conference until Feb. 13, 2012.

Canadian Dam Association's call for papers still open


The Canadian Dam Association has extended its deadline for submitting abstracts for the CDA 2012 Annual Conference until Feb. 13, 2012.

Hydropower Takes Center Stage for AMP

01/01/2012 Work is proceeding on development of four hydroelectric projects on the Ohio River: 84-MW Cannelton, 72-MW Smithland, 35-MW Willow Island and 105-MW Captain Anthony Meldahl. Developer AMP is dedicated to hydro, with two more potential projects in the pipeline.

Planning and Building the Subansiri Lower Dam and Hydro Project

01/01/2012 By Biswajit Das
Finding ways to overcome the challenges encountered during construction of 2,000 MW Subansiri Lower Dam have provided valuable lessons learned with regard to dam design and construction.

Latin bank finances 406-MW Chaglla in Peru


The Inter-American Development Bank (IADB) has approved a US$150 million loan to help finance construction of the 406-MW Chaglla hydroelectric project on Peru's Huallaga River.

Washington tribe advances fish restoration work at Elwha and Glines Canyon dams


Efforts to restore native wildlife in Washington's Elwha River took a significant step forward recently as members of the Lower Elwha Klallam Tribe transferred 50 coho salmon into the river.

Retrofitting a Deep Water Plant Intake to Improve Fish Passage

12/01/2011 The selective water withdrawal structure installed and operating at Round Butte Dam posed a variety of challenges in terms of design, construction and installation. Today, the structure allows juvenile fish numbering in the hundreds of thousands to pass the dam each year.

Modern structural and technological solutions for new large dams

11/01/2011 By Yury Lyapichev and Yury Landau
Such "newer" dam types as facing symmetrical hardfill and rockfill with an asphalt concrete core provide solutionsto site-specific challenges for dams in Russia and can be used worldwide.

China provides funding for Ecuador's 487.8-MW Sopladora


The government of Ecuador has signed a credit agreement providing US$571 million from the China Export-Import Bank to build and equip the 487.8-MW Sopladora hydroelectric project in Ecuador.

U.S. names South Dakota firm to repair Richland Dam


The U.S. Forest Service has named a South Dakota company to perform civil construction to repair Richland Dam in the Nebraska National Forest in South Dakota.

Asian Development Bank to provide $97 million for new hydro plant in Pakistan


The Asian Development Bank will provide $97 million to help fund a new private sector hydroelectric plant in Pakistan, which will ease power shortages and create thousands of new jobs.

Elgin Equipment closes acquisition of Cook Legacy


Elgin Equipment Group has closed its purchase of Ohio-based Cook Legacy Coating Co., which is now known as Cook Legacy Water & Energy.

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