Army MOS 12G Quarry Specialist
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  • Operate air compressors and related pneumatic tools
  • Operate hydraulic powered rock drills
  • Operate rock crushers and screening equipment
  • Operate crushing and screening support equipment (i.e. Generators, Conveyors, Light sets, Pumps)

Job training for a Quarry Specialists requires nine weeks of Basic Training, where you'll learn basic
soldiering skills, and five weeks of Advanced Individual Training and on-the-job instruction, including
practice operating rock crushing, drilling, blasting and support equipment. Part of this time is spent in the
classroom and part in the field. Some of the skills you'll learn are:

  • Operation of different types of construction equipment
  • Maintenance and repair of equipment
  • General construction principles and information

Advanced Responsibilities
Advanced level Quarrying Specialists provides guidance, supervises and trains other Soldiers within the
same discipline. As an advanced level Quarry Specialist, you may also be involved in:

  • Plan and erect rock processing equipment
  • Plan and supervise blasting operations and rock production operations

Related Civilian Jobs
The skills you learn as a Quarry Specialist will help prepare you for a civilian career with building
contractors, state highway agencies, rock quarries, well drillers or construction firms.

There is a number of formal three year operating engineer apprenticeship programs, which you may
qualify for as well. These programs, which are administered by the International Union of Operating
Engineers and the Associated General Contractors of America, Inc., consist of at least three years or
6,000 hours of on-the-job training and 144 hours per year of classroom instruction.
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12G Cut-off Scores Nov 2010
This is an Army Reserve MOS
No promotion points
Army MOS 12G Quarry Specialist    
The Army is always completing hundreds of construction
projects and Quarry Specialists are integral to that process.
Airfields, roads, dams and buildings can't be created
without moving tons of earth and building materials. Quarry
Specialists use bulldozers, cranes, graders and blasting
equipment to complete these kinds of projects.

Quarry Specialist s are responsible for operating electric,
pneumatic, and internal combustion powered machines
used in drilling, crushing, drilling, grading, and cleaning
gravel and rock, or detonates explosives to blast rock in
quarries and at construction sites. Some of your duties as a
Quarry Specialist may include: