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.

Job Task

• Descends into water with aid of diver helper, using scuba gear or diving suit.
• Communicates with surface while underwater by signal line or telephone.
• Searches for lost or sunken objects, such as bodies, torpedoes, equipment, and ships.
• Recovers objects by placing rigging around sunken objects and hooking rigging to crane lines.
• Inspects docks, hulls and propellers of ships, and underwater pipelines, cables, and sewers.
• Repairs ships and other structures below the water line, using caulk, bolts, and hand tools.
• Cuts and welds steel using underwater welding equipment.
• Removes obstructions from strainers and marine railway or launching ways, using pneumatic and power hand tools.
• Sets or guides placement of pilings and sandbags to provide support for structures, such as docks, bridges, cofferdams, and platforms.
• Drills holes in rock and rigs explosives for underwater demolitions.
• Photographs underwater structures or marine life.
• Levels rails, using wedges and maul or sledgehammer.

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