Divers Commercial Marine Construction Commercial Diving Underwater Services Surveys / Inspections Ship Hull Cleaning Vessel Inspections MPI Hull Inspections and Cleaning Underwater Repairs Anode Installation Non-Destructive Testing Cathodic Protection Readings Magnetic Particle Inspection (Welds) Oil Leakage Detection Propeller Cutting, Trimming, and Balancing Propeller Change-outs (in water) Damaged Hull Plate Removal and Replacement Underwater Welding Seachest Grill Removal, Replacements, and Cleaning Marine Demolition Underwater Cutting Underwater Explosives Applications Sinking Vessels (for artificial reefs) Bottom Survey Inspections Bridge and Wharf Demolition Bridge Inspections Concrete, Grout, and Epoxies Placement Contamination Diving (sewerage treatment plants) Deep Diving (surface decompression chamber and oxygen) Dredging and De-watering Systems Sub Sea Salvage Unmanned Vessel Location and Recovery Aircraft Recovery (from the ocean) Vessel and Oil Spill Recovery Personal Body Searches Helicopter Salvage Class Surveys (various) Live Closed Circuit TV Video Inspections and Surveys Underwater Digital Photographic Surveys and Inspections Hydro Dam Inspections / Maintenance Sewerage Treatment Plant Inspections / Maintenance Clean Water Supply Tank Inspections / Maintenance Wharf Repairs and Maintenance Wharf Extensions and Refurbishment Underwater Construction Piling (all forms) Pipeline and Cable Laying Outfall Construction and Repairs