a. Major duties.
The quarrying specialist supervises or operates electric, pneumatic, and internal combustion powered machines used in drilling, crushing, grading, and washing gravel aggregate for construction projects..
Detonates explosives to blast rock in quarries and construction sites.
Duties for 12G MOS at each level of skill are:
(1) MOSC 12G1O.
Performs Preventive Maintenance Checks and Services (PMCS), assembles, adjust, and operates the Crushing, Screening, Washing Plant (CSWP).
Performs PMCS and operates rock drills.
Loads boreholes with explosives and assembles nonelectrical firing circuits.
(2) MOSC 12G2O.
Supervises PMCS of CSWP and rock drills.
Supervises assembly, adjustment, calibration, and operation of CSWP in the production of aggregate for construction projects.
Supervises drilling of blast patterns and loading of boreholes.
Detonates explosives to excavate quarry rock.
(3) MOSC 12G3O.
Supervises rock production operations.
Directs the production of crushed, washed, and graded aggregate.
Designs, plans, and conducts subsurface demolitions operations.
Plans and directs the quarry layout and plant setup.
b. Physical demands rating and qualifications of initial award of MOS.
Quarrying specialist must possess the following qualifications:
(1) A physical demands rating of significant (Gray).
(2) A physical profile of 222221.
(3) Normal color vision.
(4) Qualifying scores.
(a) A minimum score of 95 in aptitude area GM in Armed Services Vocational aptitude Battery (ASVAB) tests administered prior to 2 January 2002.
(b) A minimum score of 93 in aptitude area GM on ASVAB tests administered on and after 2 January 2002.
(c) A minimum OPAT score of Standing Long Jump (LJ) – 0140 cm, seated Power Throw (PT) – 0400 cm, Strength Deadlift (SD) – 0140 lbs. and Interval Aerobic Run (IR) – 0040 shuttles in Physical Demand Category “Significant” (Gray).
(5) Formal training (completion of MOS 12G course conducted under the auspices of the USA Engineer Center and School, or meet civilian acquired skills criteria per chapter 9-5, (5) (b) of this pamphlet and in paragraph (6) below.
(6) ACASP qualification criteria.
Must have a minimum of 2 years of experience or a combination of formal training and experience totaling 2 years in operating a crushing, screening, and washing plant; operating a rock drill; and loading boreholes with explosives and assembling nonelectrical firing circuits.
(a)
IAW table 9-1 of this pamphlet, Initial Entry Trainee (IET) who qualifies under the ACASP will not be required to attend Advanced Individual Training (AIT) for any additional training.
Upon completion of Basic Combat Training (BCT) Soldier Member will be processed IAW initial assignment instruction.
(b)
Approval and validation to qualify IET for ACASP is through the USAES, Engineer Personnel Development Office (EPDO).
c. Additional skill identifiers.
(Note: Refer to table 12-8 (Listing of universal ASIs associated with all enlisted MOS)).
(1) B9—Bradley Fighting Vehicle (BFV) (personnel only).
(2) P6–Project Management (Skill level 2 thru 6 for personnel only).
(3) R7–Army Reconnaissance (Skill level 3 and above personnel only).
d. Physical requirements and standards of grade.
Physical requirements and SG relating to each skill level are listed in the following tables:
(1) Table 10-12G-1. Physical requirements.
(2) Table 10-12G-2. Standards of grade TOE/MTOE.
(3) Table 10-12G-3. Standards of grade TDA.