Job Description:

• 1) Sets up and operates drilling equipment to obtain solid core samples of strata for analyzing geological characteristics of ground, nature of ore, or strength of foundation material: Drives or guides truck-mounted drilling equipment onto metal or wood foundation, or assembles equipment in position.

• 2) Connects power lines to equipment.

• 3) Attaches diamond churn, alloy, or percussion bit to drill rod, and fastens rod in machine, using wrench or other handtools.

• 4) Starts power unit.

• 5) Moves clutch and throttle to control rotation and feed of drill bit into ground.

• 6) Couples additional lengths of drill rod as bit advances.

• 7) Withdraws drill rod from hole after specified depth has been reached and extracts core from hollow barrel located behind drilling bit.

• 8) Records depths from which core samples are taken.

• 9) Lubricates machine, using grease gun, and replaces parts, such as worn winch cables.

• 10) May replace diamonds in bit as they become worn, chipped, or lost, where diamond drill is used.

• 11) May operate water pump to pump water down borehole to cool drill bit.

• 12) May be designated according to type of drill used as Diamond Driller.