This is skilled work in the operation of a major of a recalcination plant on an assigned shift.

Work in this class involves shift responsibility for the routine and emergency operation of a plant feed building. Employees work under conditions of extreme heat. Incumbents exercise some independent judgment in making adjustments and repairs to machinery and equipment in accordance with established standards. Supervision is received from a plant superior who indicates the type of adjustments or procedural modifications to be made in achieving desired plant results.

ILLUSTRATIVE TASKS

Inspects assigned areas to determine that all machinery and equipment is operating properly; takes samples of slurry at various stages of process to determine effectiveness of thickening solids; on the basis of sample results institutes alteration of process to provide proper production.

Operates mechanical equipment such as sludge thickening tanks, air compressors, thickening tank, Bird centrifugal filters, scoop feeder, kiln feeder, CO2 compressors,induced draft fan, effluent pumps, centrifuge reject tank, clarifier sludge pumps, and other electrical and mechanical equipment used in a rotary kiln lime plant.

Measures and adjusts slurry feed to maintain high production level of lime; maintains water pressure on scrubber tower and himidifier to control dust.

Inspects, starts, stops and operates pumps and auxiliary emergency equipment; repairs of pumping equipment, emergency generator, kiln tractor, centrifuges, air compressors, and relining of kiln with fire brick; insulates pipes and boiler and completes stream fitting work.

Analyzes samples at water softener and boiler and makes necessary adjustments; inspects kiln bearings, rollers and reduction gears for drive mechanism of rotary kiln.

Keeps record of oil changes and lubrication of all equipment; prepares records of shift operations and may supervise a small group of skilled and unskilled employees.

Performs related work as required.

KNOWLEDGES, ABILITIES AND SKILLS

Knowledge of operating theories and principles of the plant to which assigned.

Knowledge of preventive maintenance and repair techniques for equipment operated.

Knowledge of procedures and operating standards applicable to the equipment operated.

Knowledge of general operating principles of a wide variety of electrical, mechanical, and welding equipment.

Ability to climb and make repairs on equipment in high areas.

Ability to follow applicable operating and recording procedures.

Ability to detect faulty operating characteristics in equipment or processes and institute remedial action.

Ability to maintain detailed routine operating records.

Ability to respond quickly in emergency situations to prevent warping of rotary kiln.

Ability to work with and supervise subordinate unskilled and skilled personnel.

Ability to understand and follow oral and written instructions.

Ability to make required repairs and adjustments to machinery and equipment.

NEW 10-76