Job Code Pay Scale Group Pay Scale Type Bargaining Unit Civil Service or Non-Civil Service Last Executive Board Change Executive Board Change History
92320 05 ST J2 N 772-06 03/01/2021
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JOB CODE: 92320

SERIES NATURE OF WORK: The Drill Operator series describes work in operating and maintaining core and auger boring equipment.

DEFINITION: This is supervisory and skilled work in the operation of drill equipment used for taking surface and sub-surface soils, pavement, and rock samples.

An employee in this job operates complex drilling equipment used in surface and sub-surface exploration. Work involves operating core and combination auger-core boring equipment to obtain samples, ensuring samples are properly lifted and identified, and resolving any field problems encountered. Supervision is exercised over staff operating less complex drilling equipment or assisting with the operation of complex equipment. Work is assigned with general directions by a technical supervisor who resolves unusual problems and reviews work for results attained.


     • Work is differentiated from the lower level job based on the responsibility for supervising drill operators.

EXAMPLES OF WORK: (NOTE: The examples of work are representative of the work, but every position classified to this job may not perform all examples of work listed. Conversely, this is not an all-inclusive list of work examples.)

• Supervises the operation of and operates heavy-duty core boring and combination auger-core boring equipment to obtain surface and sub-surface soils, pavement, and rock samples.

• Determines drilling stations from preliminary plans, supervises and participates in assembling drill apparatus, and operates a large truck and trailer used in relocating equipment.

• Operates drilling apparatus to obtain samples by advancing augers through overburden; performs wash boring; recovers undisturbed samples; and uses diamond core drill in bedrock using tube, double tube, or other core barrels and auger boring with conventional or hollow stem augers.

• Operates electric core drill to obtain pavement core samples that show pavement core condition, depth, location, and subgrade type.

• Maintains a field log by recording description of materials encountered, cores and samples obtained, sampling devices and cases used, and driving weights.

• Performs preventative maintenance and minor repairs on vehicles and drilling equipment and resolves field problems.

• Performs the full range of supervisory duties.

• An employee in this job may participate in the performance of subordinates’ work consistent with operational or organizational requirements.

• Operates motor vehicles.

• Performs related work as required.


• Knowledge of the operation of core and auger boring equipment and drilling apparatus.

• Knowledge of the properties and physical characteristics of sub-surface rock and soil strata.

• Knowledge of the operation of combination auger-core boring equipment and drilling apparatus.

• Knowledge of preventative maintenance requirements and minor repair techniques for assigned drilling equipment.

• Knowledge of the standard safety operating procedures for assigned drilling equipment.

• Ability to operate motor vehicles and equipment, including those with a manual transmission.

• Ability to identify all drilling or coring hazards associated with marked overhead and underground utilities.

• Ability to interpret and follow instructions.

• Ability to communicate effectively orally.

• Ability to communicate effectively in writing.

• Ability to establish and maintain effective working relationships.

MINIMUM EXPERIENCE AND TRAINING: (NOTE: Based on the Entry Level Knowledges, Skills, and Abilities)

• One year of experience as a Drill Operator (commonwealth title);


• Three years of experience in the operation of core and auger boring equipment;


• An equivalent combination of experience and training.


• All positions require, at time of hire, an active Pennsylvania Class A Commercial Driver’s License with the Air Brake Restriction (L) removed or equivalent.

• All positions require, at time of hire, possession of an active Medical Examiner’s Certificate in accordance with the Federal Motor Carrier Safety Administration Regulations.

• All candidates must demonstrate, at time of interview, successful operation of equipment with a manual transmission.

• All employees must obtain an active Tank Vehicle Endorsement (N) during the probationary period and continuously maintain it while employed in this job.