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

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.

Rebuilding Ulley Dam

09/16/2010 The collapse and subsequent rebuilding of a spillway at a 137-year-old dam provides valuable insight into emergency preparedness, spillway design, and dam remediation.

U.S. awards dam removal contract for Elwha, Glines Canyon


The National Park Service has awarded Montana-based Barnard Construction Company Inc. a $26.9 million contract to remove the 12-MW Elwha and 12-MW Glines Canyon dams from the Elwha River in Washington.

HRW Briefings


NHPC begins Sewa II hydropower project operations in India


Hydroelectric power firm NHPC Ltd. has commenced commercial operations of all three units of the 120-MW Sewa II hydropower project in Jammu and Kashmir, according to wire reports from the region.

HydroVision conference tracks cover wide range of hydropower topics


From operations and maintenance to marine hydropower and asset management, conference tracks offered at the upcoming HydroVision 2010 event offer a broad spectrum of informative sessions geared toward addressing many important aspects of the worldwide hydropower industry.

Serra do Facao hydro plant to start operations within three months


Brazil's 210-MW Serra do Facao hydropower plant is projected to come online within three months, the president of project developer Serra do Facao Energia consortium told wire services.

Voith Hydro wins equipment contract for Rodund II hydro plant rehab


Voith Hydro has won a contract to supply equipment to rehabilitate the Rodund II hydropower plant in Austria, which was damaged during a fire last summer, Voith announced.

Dealing with Alkali-Aggregate Reaction in Hydraulic Structures

07/01/2010 By Chongjiang Du
A thorough understanding of the current knowledge and practice in managing alkali-aggregate reaction in concrete hydraulic structures can help owners of existing dams and companies planning to build new dams.

Andritz Hydro to supply equipment for Ilisu hydro plant in Turkey


International technology group Andritz will supply electromechanical equipment with a total value of approximately 340 million euros (US$417.4 million) as part of the construction of the Ilisu hydropower station in Turkey, Andritz announced.

Poyry wins Limmern hydropower plant contract in Switzerland


Finland's Poyry has been awarded the HVAC design contract for the Limmern pumped-storage hydropower plant under construction in Switzerland, Poyry reported.

Perspectives: 100 Years and Beyond

06/01/2010 Depending on your perspective, the idea of something or someone being "in place" for 100 years can seem an unbelievably long time or it can flash by like a falling star in the sky.

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