Power Companies

Work for the hydroelectric utility companies remains a large part of our business. This work varies from routine inspections to heavy construction projects. Inspections are accomplished utilizing either a full dive crew and helmet-mounted camera system or a remotely operated vehicle (ROV).

Other services include:

• Trash rack removal, repair, and replacement
• Cleaning the trash racks and removing material that the rack rake cannot reach
• Installation of bubbler systems (used for de-icing & removal of lighter material, such as leaves, from the trash racks)
• Wet-welding and underwater cutting (burning)
• Removal of silt and other bottom materials by utilizing an air lift or a diver-directed dredging system
• Removal of larger items such as trees, etc. by utilizing hydraulic chain saws
• Concrete work: both the repair of minor scours using hydraulic concrete to major repair by building forms and pumping aggregate into the location
• Underwater drilling and epoxy work
• General cleaning of marine growth by utilizing water-blasting equipment
• Installation of tail race gates, stop logs, and other work to aid in de-watering units for routine and emergency maintenance