SIDUS Solutions opens new office in Houston
... in engineering and business development for harsh environment and subsea products, having worked for both Oceaneering and MacArtney Underwater Technologies. ...

Achieving Temporary Bulkheading Using ROVs
... Underwater portions of dams that impound water for hydroelectric facilities present a number of challenges when it comes to operations and maintenance. ...

Dewatering Spillway Gates with a Reverse Needle Cofferdam
... of cofferdam was selected for use at Brilliant Dam because of its lower fabrication cost; minimal pier modifications; no underwater structure modifications ...

Transitions
... physical, chemical, and biological sampling; oceanographic instrument deployment; and precision geophysical surveys, including underwater military munitions ...

Strengthening Gate Arms at Rocky Reach Dam
... This is not necessarily appropriate. If the gate is closed under water load, the moment is maintained until the gate is moved again. ...

Boundary Sluice Maintenance Gate Gets Makeover
... With the gate out of the water, the project team got its first real look at the wear and tear from more than two decades of underwater duty. ...

Retrofitting a Deep Water Plant Intake to Improve Fish Passage
... the structure to the powerhouse intake, 270 feet under water. ... depths up to 300 feet without diving and while ... 200 cubic yards of high-strength underwater grout. ...

Industry News
... The gate sits underwater and is used to seal off one of the dam’s seven sluices so that regular maintenance can be performed on the gates used to control the ...

Taft honored by Alden Research Laboratories
... flume has been used for testing hydrokinetic turbines, fish bypass systems, traveling water screens with fish collection features and other underwater devices. ...

Maintenance gate rehabbed and returned to Boundary Dam
... The gate sits underwater and is used to seal off one of the dam’s seven sluices so that regular maintenance can be performed on the gates used to control the ...

US awards headgate rehab contract for Dry Falls Dam in Washington
... project. Reclamation seeks installation of six new government-furnished bulkhead gates with underwater inspection required. The ...

Ramping Rate Restrictions
... equipped with a global positioning system, allowing the operator to determine the bucket location relative to the canal and desired underwater riprap slope, to ...

Ramping Rate Restrictions
... equipped with a global positioning system, allowing the operator to determine the bucket location relative to the canal and desired underwater riprap slope, to ...

Underwater Solutions: Renovating a Landmark: Updating the Outlet ...
... underwater construction work at an elevation of 6800 feet and at water depths ranging from 40 to 200 feet would require both surface and saturation diving ...

Tech Briefs
... NYPA used underwater videography and gill netting to determine where sturgeon were active during the spawning season and to characterize the structure of the ...