underwater-construction-supervisor/references/tasks.md

Tasks & work activities — underwater construction supervisor

Source: O*NET 30.3, occupation 49-9092.00 (Commercial Divers).

Task statements

• [Core] Communicate with workers on the surface while underwater, using signal lines or telephones.
• [Core] Take appropriate safety precautions, such as monitoring dive lengths and depths and registering with authorities before diving expeditions begin.
• [Core] Check and maintain diving equipment, such as helmets, masks, air tanks, harnesses, or gauges.
• [Core] Descend into water with the aid of diver helpers, using scuba gear or diving suits.
• [Core] Obtain information about diving tasks and environmental conditions.
• [Core] 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.
• [Core] Repair ships, bridge foundations, or other structures below the water line, using caulk, bolts, and hand tools.
• [Core] Cut and weld steel, using underwater welding equipment, jigs, and supports.
• [Core] Recover objects by placing rigging around sunken objects, hooking rigging to crane lines, and operating winches, derricks, or cranes to raise objects.
• [Core] Install pilings or footings for piers or bridges.
• [Core] Take test samples or photographs to assess the condition of vessels or structures.
• [Core] Install, inspect, clean, or repair piping or valves.
• [Core] Operate underwater video, sonar, recording, or related equipment to investigate underwater structures or marine life.
• [Core] Remove obstructions from strainers or marine railway or launching ways, using pneumatic or power hand tools.
• [Core] Salvage wrecked ships or their cargo, using pneumatic power velocity and hydraulic tools and explosive charges, when necessary.
• [Core] Set or guide placement of pilings or sandbags to provide support for structures, such as docks, bridges, cofferdams, or platforms.
• [Core] Perform activities related to underwater search and rescue, salvage, recovery, or cleanup operations.
• [Core] Supervise or train other divers, including hobby divers.
• [Core] Carry out non-destructive testing, such as tests for cracks on the legs of oil rigs at sea.
• [Core] Inspect the condition of underwater steel or wood structures.
• [Supplemental] Drill holes in rock and rig explosives for underwater demolitions.
• [Supplemental] Remove rubbish or pollution from the sea.
• [Supplemental] Perform offshore oil or gas exploration or extraction duties, such as conducting underwater surveys or repairing and maintaining drilling rigs or platforms.

Detailed work activities

• Attach rigging to objects so they can be moved.
• Clean equipment, parts, or tools to repair or maintain them in good working order.
• Communicate with coworkers to coordinate installations or repairs.
• Decontaminate equipment or sites to remove hazardous or toxic substances.
• Drill holes in parts, equipment, or materials.
• Gather information about work conditions or locations.
• Inspect systems to determine if they are operating properly.
• Install piping for installation or maintenance activities.
• Install structural foundations.
• Maintain work equipment or machinery.
• Monitor work areas or procedures to ensure compliance with safety procedures.
• Operate cranes, hoists, or other moving or lifting equipment.
• Operate welding equipment.
• Record images needed to address work issues.
• Repair non-engine automotive or vehicle components.
• Repair pipes to stop leaking.
• Repair production equipment or tools.
• Repair structural components.
• Respond to emergencies to provide assistance.
• Supervise employees.
• Survey land or bodies of water to measure or determine features.
• Test mechanical equipment to ensure proper functioning.
• Train others in operational procedures.
• Travel to work sites to perform installation, repair or maintenance work.