| ESSENTIAL DUTIES
Mechanical Technologist Grade II
200. Essential duties identified on the Test Content
Specifications for Plant Maintenance Grade I.
201. Repairs, maintains, installs, inspects, troubleshoots,
and adjusts a variety of mechanical equipment at treatment
facilities. Equipment includes: sluice gates, compressors,
and flights; hydraulic controls; mechanical structural,
and plumbing apparatus; belt, chain, and conveyors;
diesel and or gas engines and related co-generation
202. From work orders, drawings, specifications, schematics,
sketches, verbal and written instructions, performs
complex mechanical maintenance, repairs, fabrication,
and rebuilding of shop, field, and plant equipment used
in wastewater plants, pump stations, and collection
203. Maintains, installs, inspects, and repairs a variety
of pumps, such as centrifugal, positive displacement,
and screw; services, lubricates, and adjusts chemical
feed and processing equipment; determines excess wear
and pump efficiencies; and follows preventive and predictive
204. Performs horizontal and vertical welding, fabricating,
silver soldering, hard facing, and braising using acetylene,
arc, mig, and tig welder on most ferrous and nonferrous
metals; makes specialized cuts and complex angles using
a band saw; and performs blacksmithing and parts fabrication.
205. Maintains, installs, inspects, and repairs piping
systems of pvc, black and cast iron, stainless steel,
and copper tubing; installs, removes, and repairs larger
pipes and valves; draws minor new designs; modifies
existing piping systems and welded steel pipe, such
as nozzles and saddles; and taps, cuts, and threads
206. Performs complex maintenance and repair tasks
on a wide variety of internal combustion engines; adjusts
valves and carburetors; and repairs and maintains exhaust
207. Performs regularly scheduled maintenance, inspection,
and repair tasks on comminuting and grinding devices;
overhauls equipment, such as cutters, bearings, chains,
mechanical seals, gear reducers; performs close tolerance
checking and testing.
208. Performs basic to complex maintenance, inspection,
and repair or overhauling tasks on drive components,
such as right angle drive gears, reduction drives, variable
speed and belt and chain drives.
209. Overhauls, maintains, installs, adjusts, inspects,
and repairs a variety of hydraulic and pneumatic systems
210. Properly uses and cares for hand and power tools
such as grinders, saws, jacks, hydraulic presses and
pullers, and pipe threaders, inspects, tests, and measures
equipment and material using precision instruments such
as scales, height and depth gauges, calipers, verniers,
and micrometers of various types.
211. Plans tasks, keeps records of work performed and
makes estimates of labor and material necessary for
the performance of the work.
212. Follows proper safety practices, precautions,
and procedures, such as confined space entry, storing,
handling, and transporting gases, using correct lockout
and tagout procedures, using flash protection when welding,
and assisting in using safe rigging and welding practices.
213. Trains personnel in the proper operation of
tools and equipment, chemical and confined space
procedures, and safety practices
214. Responsible for adherence to safety orders and
compliance with federal and CAL-OSHA regulations in all
aspects of work.
Mechanical Technologist Grade III
300. Essential duties identified on the Test Content
Specifications for Plant Maintenance Grade I, and Mechanical
Technology Grade II.
301. Prepares receives and reviews assignments for
the mechanical maintenance of potable water, wastewater,
storm drainage, hydraulic power, chemical handling systems
and oxygen injection systems.
302. Supervises and participates in and reviews the
work of staff responsible for maintenance of wastewater
303. Participates in the development of policies and
procedures; monitors work activities to ensure compliance
with established policies and procedures and makes recommendations
for changes and improvements to existing policies and
304. Performs complex preventive and predictive mechanical
305. Performs complex corrective mechanical maintenance
by troubleshooting cause of malfunction using visual
inspection and precision measuring and testing instruments
and replacing or repairing broken parts.
306. Rebuilds equipment by disassembling, cleaning,
ordering replacement parts, repairing mechanical malfunctions
and reassembling and testing.
307. Plans or assists in the planning and implementation
of computer based maintenance programs.
308. Identifies and procures materials and equipment, and
necessary to complete scheduled and emergency repairs and maintenance.
309. Prepares and is responsible for time and equipment
310. Trains personnel in the proper operation of tools
and equipment, chlorine and confined space procedures,
and safety practices.
311. Responsible for adherence to safety orders and
compliance with federal and CAL-OSHA regulations in
all aspects of work.
312. Performs worksite inspections, inspects work in progress and
313. Coordinates work with other departments or agencies.
314. Responsible for the administration of outside
315. Assists in the planning, developing and implementing
safety and training programs.