Rock Splitters, Quarry

What they do:

Separate blocks of rough dimension stone from quarry mass using jackhammer and wedges.

On the job, you would:

  • Locate grain line patterns to determine how rocks will split when cut.
  • Remove pieces of stone from larger masses, using jackhammers, wedges, and other tools.
  • Insert wedges and feathers into holes, and drive wedges with sledgehammers to split stone sections from masses.
  • Mark dimensions or outlines on stone prior to cutting, using rules and chalk lines.
  • Cut slabs of stone into sheets that will be used for floors or counters.
  • Set charges of explosives to split rock.
  • Drill holes along outlines, using jackhammers.
  • Drill holes into sides of stones broken from masses, insert dogs or attach slings, and direct removal of stones.
  • Cut grooves along outlines, using chisels.

Knowledge

  • Production and Processing
  • Knowledge of raw materials, production processes, quality control, costs, and other techniques for maximizing the effective manufacture and distribution of goods.
  • Mechanical
  • Knowledge of machines and tools, including their designs, uses, repair, and maintenance.
  • Mathematics
  • Knowledge of arithmetic, algebra, geometry, calculus, statistics, and their applications.
  • 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.
  • 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.
  • Administration and Management
  • Knowledge of business and management principles involved in strategic planning, resource allocation, human resources modeling, leadership technique, production methods, and coordination of people and resources.
  • English Language
  • Knowledge of the structure and content of the English language including the meaning and spelling of words, rules of composition, and grammar.
  • Personnel and Human Resources
  • Knowledge of principles and procedures for personnel recruitment, selection, training, compensation and benefits, labor relations and negotiation, and personnel information systems.
  • 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.
  • Transportation
  • Knowledge of principles and methods for moving people or goods by air, rail, sea, or road, including the relative costs and benefits.

Skills

  • Operation and Control
  • Controlling operations of equipment or systems.
  • Operation Monitoring
  • Watching gauges, dials, or other indicators to make sure a machine is working properly.
  • 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.
  • Monitoring
  • Monitoring/Assessing performance of yourself, other individuals, or organizations to make improvements or take corrective action.
  • Critical Thinking
  • Using logic and reasoning to identify the strengths and weaknesses of alternative solutions, conclusions or approaches to problems.
  • Coordination
  • Adjusting actions in relation to others' actions.
  • Reading Comprehension
  • Understanding written sentences and paragraphs in work related documents.
  • Complex Problem Solving
  • Identifying complex problems and reviewing related information to develop and evaluate options and implement solutions.
  • Time Management
  • Managing one's own time and the time of others.
  • Judgment and Decision Making
  • Considering the relative costs and benefits of potential actions to choose the most appropriate one.

Abilities

  • Arm-Hand Steadiness
  • The ability to keep your hand and arm steady while moving your arm or while holding your arm and hand in one position.
  • Multilimb Coordination
  • The ability to coordinate two or more limbs (for example, two arms, two legs, or one leg and one arm) while sitting, standing, or lying down. It does not involve performing the activities while the whole body is in motion.
  • Control Precision
  • The ability to quickly and repeatedly adjust the controls of a machine or a vehicle to exact positions.
  • Static Strength
  • The ability to exert maximum muscle force to lift, push, pull, or carry objects.
  • Trunk Strength
  • The ability to use your abdominal and lower back muscles to support part of the body repeatedly or continuously over time without 'giving out' or fatiguing.
  • Manual Dexterity
  • The ability to quickly move your hand, your hand together with your arm, or your two hands to grasp, manipulate, or assemble objects.
  • Near Vision
  • The ability to see details at close range (within a few feet of the observer).
  • Stamina
  • The ability to exert yourself physically over long periods of time without getting winded or out of breath.
  • Extent Flexibility
  • The ability to bend, stretch, twist, or reach with your body, arms, and/or legs.
  • Dynamic Strength
  • The ability to exert muscle force repeatedly or continuously over time. This involves muscular endurance and resistance to muscle fatigue.

Work Activities

  • Handling and Moving Objects
  • Using hands and arms in handling, installing, positioning, and moving materials, and manipulating things.
  • Performing General Physical Activities
  • Performing physical activities that require considerable use of your arms and legs and moving your whole body, such as climbing, lifting, balancing, walking, stooping, and handling of materials.
  • Controlling Machines and Processes
  • Using either control mechanisms or direct physical activity to operate machines or processes (not including computers or vehicles).
  • Inspecting Equipment, Structures, or Material
  • Inspecting equipment, structures, or materials to identify the cause of errors or other problems or defects.
  • Operating Vehicles, Mechanized Devices, or Equipment
  • Running, maneuvering, navigating, or driving vehicles or mechanized equipment, such as forklifts, passenger vehicles, aircraft, or water craft.
  • Monitor Processes, Materials, or Surroundings
  • Monitoring and reviewing information from materials, events, or the environment, to detect or assess problems.
  • Communicating with Supervisors, Peers, or Subordinates
  • Providing information to supervisors, co-workers, and subordinates by telephone, in written form, e-mail, or in person.
  • Repairing and Maintaining Mechanical Equipment
  • Servicing, repairing, adjusting, and testing machines, devices, moving parts, and equipment that operate primarily on the basis of mechanical (not electronic) principles.
  • Judging the Qualities of Things, Services, or People
  • Assessing the value, importance, or quality of things or people.
  • Getting Information
  • Observing, receiving, and otherwise obtaining information from all relevant sources.

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.
  • Second Interest High-Point
  • Secondary-Cutoff/Rank Descriptiveness
  • Conventional
  • Conventional occupations frequently involve following set procedures and routines. These occupations can include working with data and details more than with ideas. Usually there is a clear line of authority to follow.
  • Investigative
  • Investigative occupations frequently involve working with ideas, and require an extensive amount of thinking. These occupations can involve searching for facts and figuring out problems mentally.
  • Artistic
  • Artistic occupations frequently involve working with forms, designs and patterns. They often require self-expression and the work can be done without following a clear set of rules.
  • Enterprising
  • Enterprising occupations frequently involve starting up and carrying out projects. These occupations can involve leading people and making many decisions. Sometimes they require risk taking and often deal with business.
  • Social
  • Social occupations frequently involve working with, communicating with, and teaching people. These occupations often involve helping or providing service to others.
  • First Interest High-Point
  • Primary-Rank Descriptiveness
  • Third Interest High-Point
  • Tertiary-Cutoff/Rank Descriptiveness

Work Styles

  • Dependability
  • Job requires being reliable, responsible, and dependable, and fulfilling obligations.
  • Independence
  • Job requires developing one's own ways of doing things, guiding oneself with little or no supervision, and depending on oneself to get things done.
  • Integrity
  • Job requires being honest and ethical.
  • Social Orientation
  • Job requires preferring to work with others rather than alone, and being personally connected with others on the job.
  • Concern for Others
  • Job requires being sensitive to others' needs and feelings and being understanding and helpful on the job.
  • Cooperation
  • Job requires being pleasant with others on the job and displaying a good-natured, cooperative attitude.
  • Self Control
  • Job requires maintaining composure, keeping emotions in check, controlling anger, and avoiding aggressive behavior, even in very difficult situations.
  • Attention to Detail
  • Job requires being careful about detail and thorough in completing work tasks.
  • Achievement/Effort
  • Job requires establishing and maintaining personally challenging achievement goals and exerting effort toward mastering tasks.
  • Persistence
  • Job requires persistence in the face of obstacles.