This is skilled technical work in the operation and maintenance of a cogeneration plant.

Employees in this class are responsible for the operation, maintenance and repair of machinery and mechanical and electrical equipment used in a large central utility plant. Emphasis of the work is on the operation of control panels and related equipment apparatus, repairing a variety of electrical and mechanical equipment and conducting preventive maintenance programs. Duties include the preparation and maintenance of various logs and records of utility plant operations. Supervision is received from a technical superior who reviews work for compliance with facility operational procedures and reviews operational records and reports.

ILLUSTRATIVE TASKS

Operates computer terminal to access data and information and command equipment on and off; operates high voltage switch gears, volt motors, starters and other electrical gears; operates electric and chilled water distribution networks as authorized and in accordance with prescribed procedures and efficiency standards for energy conservation.

Monitors and records instrument readings, power demand, fuel usage, alarms, equipment status and general operating conditions in the plant such as equipment failures and abnormalities.

Makes regular routine inspections of plant for leaks, hot spots or other abnormal occurrences; conducts casualty control repairs such as adjusting timers, solenoids, capacitors, resistors, rectifiers and related parts of industrial control systems; examines form and texture of parts to detect imperfections, inspects worn parts to determine changes in dimension requirements, uses rules, calipers, micrometers and similar measuring instruments; reads and interprets blueprints, adjusts functional parts of devices and control instruments; uses hand tools, levels, plumb bobs and straight edges.

Sets up and operates lathe, drill press, threading machine, grinder and similar metal working power tools; performs electric and acetylene welding, brazing and silver soldering; repairs, modifies and makes new installations of pipe fittings; performs plumbing work on steam and water

lines and related plumbing equipment; repairs and maintains a variety of equipment and machinery such as pumps, compressors, large control valves, overhead cranes and water treatment system.

Repairs short circuits and broken wires; installs and repairs electrical fixtures, electric motors, switches, relays, transformers and other electro-mechanical components; repairs water distribution systems and other electrical systems.

Conducts regular preventive and corrective maintenance on electric power generation and chill water machinery such as gas turbines, high pressure steam turbines, heat recovery boiler, large absorption chillers and auxiliary mechanical equipment such as pumps, motors and electrical apparatus.

Maintains operating logs, machinery history records and other reports pertaining to the operation of the plant.

Performs related work as required.

KNOWLEDGES, ABILITIES AND SKILLS

Considerable knowledge of the operation and maintenance of a gas turbine power generation plant, high pressure boiler plant and large industrial utility plant.

Knowledge of the principles of mechanics, electricity, thermodynamics and hydraulics.

Knowledge of the methods, materials, tools and practices used in mechanical and electrical trades.

Knowledge of the engineering and operations terminology and standard operating procedures of a power generating plant.

Knowledge of the occupational hazards and safety precautions of utility plant operations.

Knowledge of departmental policies and procedures.

Ability to operate utility plant equipment.

Ability to maintain accurate records of utility plant operations, repairs and preventive maintenance procedures.

Ability to use a variety of tools and equipment.

Ability to detect defects in machinery and equipment and to make necessary repairs and adjustments.

Ability to work from verbal and written instructions, simple diagrams, and to make simple time and material estimates.

Skill in the use of standard hand tools, machines and power equipment.

NEW 10-86