Underground constructions;
overground workings;
construction of buildings, underground caverns for storing fluid and solid substances, and other structures including high capacity overground tank stores;
construction and mainentance of floating and stationery equipment and facilities for deep sea mining pipelines and drainage lines;
erection of hydraulic and tunnel structures;
construction and mainentance of apparatus and installations related to water including waste water treatment, gas, electricity, the recovery and supply of carbon dioxide, and fluid chlorine, fire, gas and poison protection, and explosion warning;
excavating services for pile foundations;
the installation of well filters, conveyor lines and pumps;
and the erection of on-shore (land) bases for the supply of offshore drilling platforms
Underground and surface engineering, building engineering, construction of industrial furnaces;
construction, starting, installation, examination, supervision, maintenance and repair of radio and telecommunications equipment, of systems for heating, ventilating and air-conditioning, of industrial plants, cold-storage plants and machinery plants, building insulation, laying of pipelines;
installation of solar systems;
repair and maintenance of electronics and electrotechnical equipment, mechanical engineering products, precision tools, medical apparatus and installations, vehicles and apparatus for transportation on land, on water and in the air, thermo-dynamical equipment;
laying of land and sea cables
Underwater water blasting and jetting;
underwater blasting and clearing;
maintenance, repair, and inspection of subsea facilities such as oil and gas drilling and production platforms, pipelines, and wellhead assemblies;
underwater site clearance and debris removal;
underwater repair of pipelines, risers, and flowlines;
underwater installation of connectors for pipelines, risers, and flowlines;
installation and maintenance of oil and gas drilling and production, cable guyed platforms;
installation of subsea guying;
subsea anchor pile installation;
installation of concrete oil production, storage, and utility systems;
onshore and offshore spill response and hazardous and toxic waste remediation, namely, site remediation;
emergency spill response containment, collection, and disposal;
bioremediation;
oil-based mud recovery;
asbestos removal;
underwater maintenance, repair, and inspection of bridges, docks, piers, and pipelines;
maintenance and inspection of hydroelectric and nuclear power plants
Underwater building and construction;
marine construction;
installation, operation, maintenance and repair of marine structures, marine equipment, and oil and gas exploration and production equipment;
repair, servicing and maintenance of vehicles and equipment for use in subsurface and offshore environments;
laying and construction of pipelines;
pipeline installation and repair;
cable installation and repair;
oil and gas drilling;
underwater structural inspection services;
operating and decommissioning of oil and gas well structures and equipment for others;
plugging and abandonment of oil and gas wells;
burial of pipelines, flowlines, rigidlines, umbilicals, submarine cables, 4-d seismic arrays, and other sub-sea products and repair services;
consultation in the field of marine construction;
oil and gas well intervension services being the intervening with normal well operation such as for maintenance
Underground civil engineering services;
underground construction;
residential, commercial and industrial installation, maintenance, upgrades and repair of electrical, fibre and computer wiring and cabling, communication networks and apparatus, data communication networks and apparatus, telecommunications networks and apparatus, wireless network systems and apparatus, lan system networks and apparatus, energy systems, security systems;
inspections and audits of installed cabling;
emergency repairs of communications systems and networks;
cable duct plumbing;
information technology (IT) services (computer and computer peripherals installation and maintenance);
cable laying;
telecommunications switchboards upgrades;
providing information, including online, about the installation, maintenance, upgrades and repair of communication networks and energy systems
Underwater repair, underwater maintenance and underwater construction services;
underwater inspection and reporting including for ships and water craft in general, in dams, reservoirs, rivers, lakes, ports, bays, open seas, offshore and all off shore water related facilities;
welding and cutting for repair purposes;
underwater ship repairs and inspections;
propeller polishing;
antifouling control;
hull cleaning;
oil boom and silt boom deployment and maintenance;
piling and wharf maintenance services;
diver and underwater equipment support services;
the aforementioned services excluding those in relation to separators and separating machines, pollutant traps, liquids filtering apparatus, liquids purifying apparatus, apparatus for separating solid materials from liquids or gases, products of decentralized control technology, and technical consultancy in connection with products of decentralized control technology
Underwater repair, underwater maintenance and underwater construction services;
underwater inspection and reporting including for ships and water craft in general, in dams, reservoirs, rivers, lakes, ports, bays, open seas, offshore and all off shore water related facilities;
underwater ship repairs and inspections;
oil boom and silt boom deployment and maintenance;
underwater retrieval and replacement services;
piling and wharf maintenance services;
diver and underwater equipment support services;
marine vessel inspections, warranty inspections, boat purchase inspections;
all of the foregoing in relation to repair, maintenance and construction services
Underwater repair, maintenance, construction and inspection (for repair and maintenance purposes) services, including for ships and watercraft in general, in dams, reservoirs, rivers, lakes, ports, bays, open seas, offshore and all offshore water related facilities
Underwater repair, underwater maintenance and underwater construction services;
underwater inspection and reporting for repair and maintenance purposes, including for ships and water craft in general, in dams, reservoirs, rivers, lakes, ports, bays, open seas, offshore and all off shore water related facilities;
welding and cutting for repair purposes;
underwater ship inspections for repair purposes;
propeller polishing;
antifouling control;
hull cleaning;
oil boom and silt boom deployment (installation and removal) and maintenance;
piling and wharf maintenance services;
Providing underwater repairs and underwater maintenance of structures including merchant shipping cruise liners, dams, water storage facilities, power stations, port facilities namely wharfs, mining facilities, road and rail bridges, and other structural submerged assets which require periodic inspection and maintenance below the water line, through the use of divers;
Providing the use of equipment for use in underwater repairs and underwater maintenance of structures including merchant shipping cruise liners, dams, water storage facilities, power stations, port facilities namely wharfs, mining facilities, road and rail bridges, and other structural submerged assets which require periodic inspection and maintenance below the water line;
installation and repair of underwater pipelines