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

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.

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.

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.

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.

U.S. seeks electrical upgrades at 603-MW Ice Harbor


The U.S. Army Corps of Engineers seeks bids for low-voltage and DC systems upgrades at the 603-MW Ice Harbor hydroelectric project on the Snake River in Washington.

Lesotho awards Metolong Dam construction contract to Sinohydro


The government of Lesotho has awarded a US$79.9 million contract to Sinohydro of China to build Metolong Dam and a raw water pumping station.

Tetra Tech to perform hydroelectric construction work for 45-MW plant


Tetra Tech Inc. was awarded a $23 million hydroelectric construction project for Rochester Gas and Electric Corp. (RG&E).

New tool available to assess impact of building dams


A new tool to help policy makers better assess the costs and benefits of building dams could change the way nations decide to develop hydroelectric power.

RusHydro signs hydropower development agreements with Argentina, India firms


Russia's JSC RusHydro has signed a memorandum of understanding with an Argentina firm for further development of hydropower in the country. RusHydro signed a similar MOU with an India-based firm.

Aecon wins Waneta Expansion hydro project construction contract


Aecon Group Inc has won a contract to work jointly with SNC-Lavalin on construction of the Waneta Expansion hydroelectric project in British Columbia.

SNC-Lavalin wins C587 million Waneta Expansion hydro project contract


SNC-Lavalin has signed a C$587 million (US$575.6 million) contract to design and build the Waneta Expansion, a 335-MW hydropower facility on the Pend d'Oreille River just south of Trail, British Columbia.

A-Power signs US279 million contract for design, construction of hydro plants


Chinese energy company A-Power Energy Generation Systems has received a US$279 million contract to design and build several hydropower plants in China's Jilin province, A-Power reported.

Low-cost hydropower from NYPA to power new Yahoo data center


New York Governor David A. Paterson announced that Yahoo Inc., the world's largest global online network of integrated internet services, has completed the first phase of a multi-phased investment project in Western New York. Low-cost hydropower was among the incentives offered to Yahoo.

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