Divers underwater works. In-water inspections approved by major Classification Societies. Approved by Class wet & dry welding. Maintenance of vessel's hull such as, U/W hull cleaning, propeller polishing,removal and/or blanking of gratings, waterproofing, measurements, anodes replacement. Underwater repairs and cofferdam solutions. Propeller's repairs & rebalancing. Damage surveys & Ship salvage. Pumping & Dredging. SONAR & ROV research. Port related works, Pipelines, Cables, Harbour Constructions