MOS 12G—Quarrying Specialist

Qualifications for initial award of MOS 12G, Quarrying Specialist:

PULHES: 222221
Physical Demands Rating: very heavy
Required ASVAB Score: GM: 93
Enlistment Bonus: None
Security Clearance: None
U.S. Citizenship: Not Required
AIT Length / Location: 5 weeks at Ft Leonardwood, Missouri
Other Requirements

Quarrying Specialist (MOS 12G) Description / Major Duties:

The quarrying specialist supervises or operates electric, pneumatic, and internal combustion powered machines used in drilling, crushing, grading, and cleaning gravel and rock, or detonates explosives to blast rock in quarries and at construction sites.

Duties for MOS 12G at each skill level are:

MOSC 12G1O. Operates rock drills under supervision. Assembles, adjusts and operates crushing, screening, conveying, and washing units. Assist in blasting operations. Assist in performance of combat engineer missions.

MOSC 12G2O. Direct the erection of rock processing equipment. Determines screen sizes and crusher settings to produce aggregate to specifications. Directs quarry rock excavation to produce required sizes and tonnage of rock. Performs as blaster.

MOSC 12G3O. Conducts and plan quarry reconnaissance and plant layout. Supervise the setup and calibration of a rock processing plant. Plans and supervises blasting operations. Supervise rock production operations. Directs combat engineering missions.

Other Requirements for Award of MOS 12G:

(1) Normal Color Vision.

(2) MOS qualification may be attained by meeting the civilian acquired skills criteria by having 2 years of experience or combination of formal training and experience totaling 2 years in operation of quarry machinery.

Additional Skill Identifiers for MOS 12G:

N / A

Article Last Modified: February 21, 2011

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