Job Description:

• 1) Controls equipment to purify copper by electrorefining: Signals MONORAIL CRANE OPERATOR to lower impure copper anodes into tank filled with electrolyte.

• 2) Immerses copper starter sheets into tank.

• 3) Passes steel rod between electrodes to break off lumps which might cause short circuit and to verify specified clearance between electrodes.

• 4) Examines, cleans, and tightens electrical connections, using steel wool and handtools.

• 5) Turns on electrical current, and verifies voltage, using voltmeter.

• 6) Measures density of electrolyte, using hydrometer.

• 7) Observes deposition of copper on cathodes, and signals MONORAIL CRANE OPERATOR to remove coated cathodes and depleted anodes from tank after specified time.

• 8) Inspects tanks for defects, such as loose connections, leaks, deteriorated suspension bars and fittings, clogged floats, and drainage connections.

• 9) Repairs or replaces parts, or notifies maintenance department.

• 10) May cover lead sheets with primary coat of copper to make cathodes and be designated Starting-Sheet-Tank Operator.

• 11) May operate equipment that purifies copper through electrolysis without anodes and be designated Electro-Winning Operator.