Maintenance, Bridge Inspections, Hydro Electric Generating Station Inspection, Underwater Construction, Trash Rack Inspection, Cleaning, Coffer Dam Installation, Submarine Cable Installation, Pipe Line Locating, Dockside Underwater Removal and Replacement Propellers/Shafts/Struts and Rudders, Repair, Dam Inspections, Replacement, Pipe Line Installations, Pipe Line Inspections, Coffer Dam Removal, Submarine Cable Location, Submarine Cable Inspections