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Advanced Subsea Services is a commercial diving / ROV and ocean technology company based on Vancouver Island, British Columbia, Canada, providing international coverage. The company offers experience gathered from the offshore oil and gas sectors in South-East Asia, the Middle East, Canadian Atlantic and Arctic regions. Services include marine construction and inspection of water control structures, pipelines and outfalls, ROV inspections, air and mixed gas diving, marine salvage, ship husbandry, submarine cable burial and protection, HAZMAT equipment and confined space entry and rescue. Other special services include naval submarine hull cleaning, UXO (unexploded ordnance surveys), contaminated seabed environmental testing and dredging, helical anchor installations, design build of industry-specific equipment and R&D. Clients of Advanced Subsea Services include the Canadian Navy, Canadian Coast Guard, BC Hydro, the mining industry, international salvage companies, the oil and gas sector, municipal water works and waste management, pulp and paper manufacturers, major engineering and construction firms, Seaplane Facilities, the Department of Fisheries and Oceans, the Ministry of Environment, yacht clubs and Indian and Northern Affairs Canada. Construction and inspection of water control structures Our construction and repair services include: Civil and structural engineering Concrete placement, sawing and repair Certified welding Trash racks Dams Hydroelectric facilities Outfalls and intakes Port, harbour and marina security inspections Underwater coatings Bridge and scour repair Pier, piling and bulkhead repair Cofferdam Dredging and debris removal Cooling tower and spray ponds Pulp mills and factories Wastewater treatment Gate and valve installation and repair Fish ladder Epoxy injection Stop logs Sills, seals, guides, shafts and linkage Chlorine, bromide and air diffuser systems Cathodic protection services Construction and repair of pipelines and outfalls Our pipeline services include: Pipeline and outfall construction Internal and external joint repair Diver and ROV pipe penetrations Installation and pressure testing of mechanical joints Pipeline and outfall diffuser ports and hot taps Repair or replacement of damaged pipe sections Removal of debris and sediment Installation and repair of submarine cables Underwater concrete placement and demolition Installation and repair of sacrificial anodes Anchoring of existing pipelines Pipeline pigging and blanking Marine salvage and confined space rescue Our salvage and rescue services include: Salvage of commercial vessels (tugs, barges and bulk carriers) Salvage of recreational vessels (yachts and sailboats) Salvage of aircraft (float planes and helicopters) HAZMAT services Lightering operations Compartment and confined-space entry teams Emergency upland and marine spill response Underwater demolition Barge and vessel repair Offshore surveys and inspection Our survey services include: Sediment sampling Drilling and cutting Water quality testing Dredge turbidity monitoring Acoustics Single and multi-beam bathymetric surveys Pipelines / outfalls intakes (inspection and repair) ROV / crawler deployments Site remediation Oil and pollution response Some ROV systems that have been supplied to clients include Seabotix LBV, Saab Sea-eye Falcon, Saab Sea-eye Tiger and Phantom HD. Each ROV can be tooled for specific tasks that meet the challenge of the project and depth.