*A job as an Underwater Welder falls under the broader career category of Commercial Divers. The information on this page will generally apply to all careers in this category. We are still seeking more specific information about this career from experts in this field. If you can provide us with more information, contact us.
Job Description for Commercial Divers : Work below surface of water, using scuba gear to inspect, repair, remove, or install equipment and structures. May use a variety of power and hand tools, such as drills, sledgehammers, torches, and welding equipment. May conduct tests or experiments, rig explosives, or photograph structures or marine life.
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What Commercial Divers do:
- Check and maintain diving equipment, such as helmets, masks, air tanks, harnesses, or gauges.
- Communicate with workers on the surface while underwater, using signal lines or telephones.
- Take appropriate safety precautions, such as monitoring dive lengths and depths and registering with authorities before diving expeditions begin.
- Recover objects by placing rigging around sunken objects, hooking rigging to crane lines, and operating winches, derricks, or cranes to raise objects.
- Obtain information about diving tasks and environmental conditions.
- Install, inspect, clean, or repair piping or valves.
- Perform activities related to underwater search and rescue, salvage, recovery, or cleanup operations.
- Operate underwater video, sonar, recording, or related equipment to investigate underwater structures or marine life.
- Set or guide placement of pilings or sandbags to provide support for structures such as docks, bridges, cofferdams, or platforms.
- Take test samples or photographs to assess the condition of vessels or structures.
- Inspect the condition of underwater steel or wood structures.
- Repair ships, bridge foundations, or other structures below the water line, using caulk, bolts, and hand tools.
- Inspect and test docks, ships, buoyage systems, plant intakes or outflows, or underwater pipelines, cables, or sewers, using closed circuit television, still photography, and testing equipment.
- Remove obstructions from strainers or marine railway or launching ways, using pneumatic or power hand tools.
- Cut and weld steel, using underwater welding equipment, jigs, and supports.
- Descend into water with the aid of diver helpers, using scuba gear or diving suits.
- Install pilings or footings for piers or bridges.
- Carry out non-destructive testing, such as tests for cracks on the legs of oil rigs at sea.
- Salvage wrecked ships or their cargo, using pneumatic power velocity and hydraulic tools and explosive charges, when necessary.
- Supervise or train other divers, including hobby divers.
- Drill holes in rock and rig explosives for underwater demolitions.
- Remove rubbish or pollution from the sea.
- Perform offshore oil or gas exploration or extraction duties, such as conducting underwater surveys or repairing and maintaining drilling rigs or platforms.
- Set up dive sites for recreational instruction.
- Cultivate or harvest marine species or perform routine work on fish farms.