HVAC Mechanic

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* Description:

** IAM Hourly represented employees who currently work at the main  Sunnyvale/Palo Alto  unit, Santa Cruz, VAFB or Eastern Range facilities must apply to open requisitions on Brass Ring to be considered for the position

This occupation requires the installation, maintenance, repair, overhaul and modification

of plant air conditioning, ventilation, and refrigeration systems, and equipment, including

low temperature cascade systems, Building Automation Systems  BAS  and steam

boiler, gas fired heating equipment  excludes installation of ducts and utility feed lines  

Operate centrifugal chillers, cooling towers, hot water and steam boilers and air handling

systems per manufacturers' recommendations and management directives  Determine,

by making periodic inspections, the repair and maintenance work necessary to prevent

functional breakdowns requiring major overhaul of air conditioning, ventilation and

refrigeration systems and equipment, including low temperature cascade systems, and

gas fired heating equipment  Make working sketch of parts by taking measurements

directly from equipment in need of repair, record material requirements and specify any

necessary machining operations for use by others

Overhaul air conditioning, ventilation and refrigeration systems and equipment, including

low temperature cascade systems, by repairing or replacing crank shafts, bearings,

pistons, valves, piston rings, condensers, coils, thermostats, humidity, and other

mechanical units  Charge system with refrigerant, check and test for leaks; set and

adjust controls and regulators and make functional tests after major overhaul operations

Repair associated hydronic, hot water/chilled water systems, vacuum and pneumatic

control equipment  Fabricate copper tubing, hoses and fittings as required

Overhaul heating equipment by disassembling heater, diagnosing trouble, replacing or

repairing worn and faulty parts such as burners, baffles, pilots, governors, floats,

strainers, pumps and thermocouples  Reassemble, install and functionally test heating

equipment  Calibrate and make any adjustment required

Use the BAS computers to monitor and control individual building heating, ventilating and

air conditioning  HVAC  equipment for purposes of monitoring equipment and building

conditions, fault detection, change temperature control points and HVAC systems

analysis/performance

Troubleshoot and analyze input and output of HVAC stages for HVAC systems by reading

voltages, hand held microprocessors and other observations  Adjust circuit boards and

modules as needed  Work on all 24 volt or less AC/DC HVAC control systems and make

necessary repairs

Check and calibrate systems after their original installation or after any major overhaul

operation and make necessary adjustments to achieve operational efficiency

Work at various heights  Assist maintenance craft workers in other fields of specialization

when so assigned

Perform modification and rework wherein the operations are essentially the same as the

work described herein

Work from blueprints, sketches, manufacturers' specifications and manuals

Work with liaison personnel and may verbally suggest design changes for engineering

approval when the system cannot be installed as designed, or does not meet functional

demands or where such changes will simplify fabrication, installation or maintenance of

the system

Use any equipment, tools, materials or information source necessary to perform the

above duties

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* Basic Qualifications:

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* Complete knowledge of maintenance shop practice and procedure as related to the

installation, operation, maintenance, repair, overhaul and modification of systems and

equipment described herein  Functional knowledge of gases and liquids under pressure,

HVAC  BAS  energy management systems and personal computer operation  Must

possess Universal Refrigeration Reclaim license

Ability to read and interpret manufacturer's drawings and specifications, installation

layouts and sketches; to use machinist's hand tools and precision measuring

instruments; to work to exacting tolerances

Must possess a valid State of California Class C Driver's License, if required  Must

possess, or…