Career summary

Details for Commercial Divers


Description

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.

Tasks

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

Interests

  • Realistic - Realistic occupations frequently involve work activities that include practical, hands-on problems and solutions. They often deal with plants, animals, and real-world materials like wood, tools, and machinery. Many of the occupations require working outside, and do not involve a lot of paperwork or working closely with others.

Education, training, experience

  • Education - Most occupations in this zone require training in vocational schools, related on-the-job experience, or an associate's degree.
  • Training - Employees in these occupations usually need one or two years of training involving both on-the-job experience and informal training with experienced workers. A recognized apprenticeship program may be associated with these occupations.
  • Experience - Previous work-related skill, knowledge, or experience is required for these occupations. For example, an electrician must have completed three or four years of apprenticeship or several years of vocational training, and often must have passed a licensing exam, in order to perform the job.

Knowledge

  • Design - Knowledge of design techniques, tools, and principles involved in production of precision technical plans, blueprints, drawings, and models.
  • Education and Training - Knowledge of principles and methods for curriculum and training design, teaching and instruction for individuals and groups, and the measurement of training effects.
  • Mathematics - Knowledge of arithmetic, algebra, geometry, calculus, statistics, and their applications.
  • Public Safety and Security - Knowledge of relevant equipment, policies, procedures, and strategies to promote effective local, state, or national security operations for the protection of people, data, property, and institutions.
  • Engineering and Technology - Knowledge of the practical application of engineering science and technology. This includes applying principles, techniques, procedures, and equipment to the design and production of various goods and services.
  • Physics - Knowledge and prediction of physical principles, laws, their interrelationships, and applications to understanding fluid, material, and atmospheric dynamics, and mechanical, electrical, atomic and sub- atomic structures and processes.
  • Building and Construction - Knowledge of materials, methods, and the tools involved in the construction or repair of houses, buildings, or other structures such as highways and roads.
  • Mechanical - Knowledge of machines and tools, including their designs, uses, repair, and maintenance.

Skills

  • Reading Comprehension - Understanding written sentences and paragraphs in work related documents.
  • Active Listening - Giving full attention to what other people are saying, taking time to understand the points being made, asking questions as appropriate, and not interrupting at inappropriate times.
  • Critical Thinking - Using logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions or approaches to problems.
  • Operation Monitoring - Watching gauges, dials, or other indicators to make sure a machine is working properly.

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