af05383bb1
Snapshot before the quality program (relevance gates, tiered mapping, QA linter). v1 is the immutable before/after reference; evidence crawl was at ~175/3039 occupations when tagged. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01PDKeXvpT6tENSvyQGLV1Uq
57 lines
4.1 KiB
Markdown
57 lines
4.1 KiB
Markdown
# Tasks & work activities — construction commercial diver
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Source: O*NET 30.3, occupation 49-9092.00 (Commercial Divers) — manual nearest-occupation mapping via ISCO group 7541; the official ESCO crosswalk has no entry for this ESCO occupation.
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## Task statements
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- **[Core]** Communicate with workers on the surface while underwater, using signal lines or telephones.
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- **[Core]** Take appropriate safety precautions, such as monitoring dive lengths and depths and registering with authorities before diving expeditions begin.
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- **[Core]** Check and maintain diving equipment, such as helmets, masks, air tanks, harnesses, or gauges.
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- **[Core]** Descend into water with the aid of diver helpers, using scuba gear or diving suits.
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- **[Core]** Obtain information about diving tasks and environmental conditions.
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- **[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.
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- **[Core]** Repair ships, bridge foundations, or other structures below the water line, using caulk, bolts, and hand tools.
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- **[Core]** Cut and weld steel, using underwater welding equipment, jigs, and supports.
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- **[Core]** Recover objects by placing rigging around sunken objects, hooking rigging to crane lines, and operating winches, derricks, or cranes to raise objects.
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- **[Core]** Install pilings or footings for piers or bridges.
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- **[Core]** Take test samples or photographs to assess the condition of vessels or structures.
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- **[Core]** Install, inspect, clean, or repair piping or valves.
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- **[Core]** Operate underwater video, sonar, recording, or related equipment to investigate underwater structures or marine life.
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- **[Core]** Remove obstructions from strainers or marine railway or launching ways, using pneumatic or power hand tools.
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- **[Core]** Salvage wrecked ships or their cargo, using pneumatic power velocity and hydraulic tools and explosive charges, when necessary.
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- **[Core]** Set or guide placement of pilings or sandbags to provide support for structures, such as docks, bridges, cofferdams, or platforms.
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- **[Core]** Perform activities related to underwater search and rescue, salvage, recovery, or cleanup operations.
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- **[Core]** Supervise or train other divers, including hobby divers.
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- **[Core]** Carry out non-destructive testing, such as tests for cracks on the legs of oil rigs at sea.
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- **[Supplemental]** Drill holes in rock and rig explosives for underwater demolitions.
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- **[Supplemental]** Remove rubbish or pollution from the sea.
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- **[Supplemental]** Perform offshore oil or gas exploration or extraction duties, such as conducting underwater surveys or repairing and maintaining drilling rigs or platforms.
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- **[Core]** Inspect the condition of underwater steel or wood structures.
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## Detailed work activities
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- Attach rigging to objects so they can be moved.
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- Clean equipment, parts, or tools to repair or maintain them in good working order.
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- Communicate with coworkers to coordinate installations or repairs.
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- Decontaminate equipment or sites to remove hazardous or toxic substances.
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- Drill holes in parts, equipment, or materials.
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- Gather information about work conditions or locations.
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- Inspect systems to determine if they are operating properly.
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- Install piping for installation or maintenance activities.
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- Install structural foundations.
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- Maintain work equipment or machinery.
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- Monitor work areas or procedures to ensure compliance with safety procedures.
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- Operate cranes, hoists, or other moving or lifting equipment.
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- Operate welding equipment.
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- Record images needed to address work issues.
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- Repair non-engine automotive or vehicle components.
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- Repair pipes to stop leaking.
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- Repair production equipment or tools.
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- Repair structural components.
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- Respond to emergencies to provide assistance.
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- Supervise employees.
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- Survey land or bodies of water to measure or determine features.
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- Test mechanical equipment to ensure proper functioning.
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- Train others in operational procedures.
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- Travel to work sites to perform installation, repair or maintenance work.
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