High-pressure gate modification needed at Pinto Dam in US
... Act of 2009, Reclamation's Pacific Northwest Region seeks a contractor to furnish and install a new bulkhead gate and guides to be installed underwater. ...

US to seek high-pressure gate modification at Pinto Dam
... Jan. 29, 2010. The agency seeks a contractor to furnish and install a new bulkhead gate and guides to be installed underwater. A ...

Hydro Hall of Fame: Upgrading Vernon for Another Century
... massive cofferdam. Later that year, a flaw developed in part of an underwater ledge of the bedrock foundation. Construction was ...

Fish Tracking: Technologies Grant County PUD Uses to Track Fish ...
... of multi-element Yagi antennas or tuned loops when stationed above the water surface, and stripped coaxial, dipole, or quad-pole antennas when used underwater. ...

Showcase
... SeaTrepid founder and owner, says the collaboration between SeaTrepid and Sound Metrics was developed in response to a need to assess underwater storm damage ...

DAM DECOMMISSIONING: Removing Marmot Dam
... By placing the material using the excavator bucket and tamping the underwater portions, there was essentially no lateral spread or loss of material from river ...

Barnard begins work to increase height of California's San ...
... San Diego, selective concrete demolition; American Hydro of Fenton, Mo., hydro-demolition; Associated Underwater Services of Spokane, Wash., diving; Fox ...

European export credit agencies abandon Turkey's 1,200-MW ...
... However, Ilisu will put about 80 villages and hamlets under water as well as submerge the remains of the ancient city of Hasankeyf. ...

UPDATE - Brazil prosecutors file to block 3,300-MW Jirau
... In 2008, ANA authorized construction of a caisson, a watertight chamber for underwater work on the project, as well as withdrawal of water to meet needs of the ...

Brazil water agency approves construction of 3,300-MW Jirau
... In 2008, ANA authorized construction of a caisson, a watertight chamber for underwater work on the project, as well as withdrawal of water to meet needs of the ...

Component sinks, delays intake tower at 367-MW Pelton Round Butte
... Pelton Round Butte hydroelectric project say they will need three months to come up with a new schedule for completing a 273-foot-tall underwater intake tower ...

Tech Briefs
... As a backup method, the utility will install two underwater cameras supplied by Cyberzone to record and verify sturgeon behavior near the entrance channel. ...

Dual-Axis Sonar: A New Tool for Underwater Surveys
Dual-Axis Sonar: A New Tool for Underwater Surveys. Dual-axis sonar ... at hydro facilities. Using sonar to perform underwater inspections. ...

Dual-Axis Sonar: A New Tool for Underwater Surveys
Dual-Axis Sonar: A New Tool for Underwater Surveys. Dual-axis sonar ... at hydro facilities. Using sonar to perform underwater inspections. ...

Dual-Axis Sonar: A New Tool for Underwater Surveys
Dual-Axis Sonar: A New Tool for Underwater Surveys. Dual-axis sonar ... at hydro facilities. Using sonar to perform underwater inspections. ...