URI diving personnel are particularly qualified and experienced working in “black water”, turbid water and high tidal current conditions normally present here in the SF Bay.  Our work experience includes:

• Inspection, repairs and new construction of sanitary ocean outfalls, water transmission & gas/oil pipelines and large diameter tunnels and canals
• Conduct internal pipeline and tunnel diver penetrations in excess of 3000’ to perform structural inspections and repairs.
• Detailed structural condition surveys and repairs of waterfront facilities including wood, steel and concrete rehabilitation of piling and substructure members; corrosion monitoring and installation of cathodic protection systems; concrete and weld repairs.
• Dam inspection, repair and retrofit; demolition and replacement of sluice gate operating systems; leak repair and concrete restoration on dam faces, spillways and penstocks.
• ABS certified “External Specialists” to conduct ship surveys including UWILD and NDT inspections (ultrasonic gauging and magnetic particle) and hull repairs.
• Sediment removal, inspection and both coating/structural repairs of potable water reservoirs and appurtenances conforming to AWWA disinfection requirements.
• Offshore/Coastal Diving for surveys and repairs of ocean outfalls, direction drilling and fiber optic cable installation support and salvage & recovery of materials/structures.
• Oil refinery, sanitary and other process plant facility repairs in aeration/bio-reactor ponds, clarifiers and digesters, force mains and traveling intake screens; installation of portable dewatering cofferdam systems (Portadam®).
• Sediment removal/displacement operations required for salvage, pipeline/cable burial and piling and pier repair.
• Utilization of assorted UW hydraulic/pneumatic power tools and various burning, cutting and welding equipment systems.
• Performance of projects requiring high-altitude diving as well as deep air and mixed gas diving operations in excess of 250’.

California Contractor’s License #639975; Nevada Contractor’s License #0067863
Copyright 2008, Underwater Resources, Inc.