Commercial Divers Go Back to List 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.

Technology used in this occupation:
	Data base user interface and query software

Tasks
	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.
	Check and maintain diving equipment, such as helmets, masks, air tanks, harnesses, or gauges.
	Descend into water with the aid of diver helpers, using scuba gear or diving suits.
	Obtain information about diving tasks and environmental conditions.
	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.
	Cut and weld steel, using underwater welding equipment, jigs, and supports.
	Recover objects by placing rigging around sunken objects, hooking rigging to crane lines, and operating winches, derricks, or cranes to raise objects.
	Install pilings or footings for piers or bridges.

Skills
	Critical Thinking - Using logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions or approaches to problems.
	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.
	Operation Monitoring - Watching gauges, dials, or other indicators to make sure a machine is working properly.
	Speaking - Talking to others to convey information effectively.
	Quality Control Analysis - Conducting tests and inspections of products, services, or processes to evaluate quality or performance.
	Operation and Control - Controlling operations of equipment or systems.
	Time Management - Managing one's own time and the time of others.
	Equipment Maintenance - Performing routine maintenance on equipment and determining when and what kind of maintenance is needed.
	Troubleshooting - Determining causes of operating errors and deciding what to do about it.
	Repairing - Repairing machines or systems using the needed tools.

Knowledge
	Mechanical - Knowledge of machines and tools, including their designs, uses, repair, and maintenance.
	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.
	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.
	Customer and Personal Service - Knowledge of principles and processes for providing customer and personal services. This includes customer needs assessment, meeting quality standards for services, and evaluation of customer satisfaction.
	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.
	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.
	English Language - Knowledge of the structure and content of the English language including the meaning and spelling of words, rules of composition, and grammar.
	Design - Knowledge of design techniques, tools, and principles involved in production of precision technical plans, blueprints, drawings, and models.
	Medicine and Dentistry - Knowledge of the information and techniques needed to diagnose and treat human injuries, diseases, and deformities. This includes symptoms, treatment alternatives, drug properties and interactions, and preventive health-care measures.

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Education & Training   Education:   Most occupations in this zone require training in vocational schools, related on-the-job experience, or an associate's degree.   Related 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.

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	Some of the occupational information on this page is formulated from O*NETTM v17.0 data. O*NETTM is a trademark of the U.S. Department of Labor, Employment and Training Administration.