Crewperson 6a-c, Mechanical Systems

• Perform troubleshooting, diagnostics, repair, and preventative maintenance on HVACR and mechanical systems including chillers, boilers, RTUs, AHUs, DOAS units, VAV boxes, VRF systems, pumps, unit ventilators, cooling towers, and VFDs
• Follow lockout/tagout procedures and all district safety policies when servicing mechanical equipment
• Inspect, maintain, and repair heating and cooling systems in schools and district facilities
• Replace filters, belts, bearings, motors, compressors, contactors, actuators, valves, sensors, and other HVACR components
• Troubleshoot low-voltage and line-voltage electrical control systems associated with HVACR equipment including VFDs
• Perform coil cleaning, boiler maintenance, refrigerant recovery, leak detection, and system charging procedures
• Troubleshoot hydronic systems, steam systems, chilled water systems, and building automation controls
• Assist in startup, shutdown, seasonal conversion, and operational testing of HVACR equipment
• Fabricate, modify, and install sheet metal ductwork and HVACR components as required
• Utilize refrigerant manifold gauges, recovery machines, vacuum pumps, combustion analyzers, and diagnostic instruments safely and effectively
• Monitor and maintain proper operation of temperature controls, VAV systems, and building automation systems
• Utilize computerized maintenance management systems (CMMS), tablets, and digital work order systems to track work orders, preventative maintenance, and equipment history
• Maintain accurate maintenance records, service logs, and equipment documentation
• Ensure all work is performed in compliance with district standards, OSHA regulations, EPA refrigerant requirements, and applicable mechanical codes
• Maintain assigned vehicle, tools, and equipment in a safe and clean operating condition
• Respond to emergency HVACR/mechanical service calls as needed
• Work collaboratively with supervisors, coworkers, school personnel, contractors, and vendors to ensure efficient facility operations
• Accept responsibility for all tools, supplies, and materials assigned
• Attend required meetings, training sessions, and in-services
• Demonstrate initiative and the ability to perform assigned tasks with limited supervision
• Continue developing technical knowledge relating to HVACR systems, refrigerants, controls, and industry standards

Additional Duties

• Perform other duties and/or responsibilities as assigned by the Supervisor

Equipment

The employee must demonstrate the ability to safely operate and maintain various tools and equipment assigned to the position. This position may require the use of iPads, tablets, computerized maintenance management systems (CMMS), and basic office equipment including computers, copiers, scanners, and printers. Employees must comply with all USD 259 safety guidelines and operational procedures for equipment use. Equipment and tools may include, but are not limited to:

• Refrigerant recovery machines
• Vacuum pumps
• Refrigerant manifold gauge sets
• Combustion analyzers
• Leak detectors
• Recovery cylinders
• Welding and brazing equipment
• Oxygen and acetylene torches
• Pipe cutters and threaders
• ProPress equipment
• Electrical diagnostic meters and testing equipment
• Band saws, drill presses, metal shears, and metal brake machines
• Ladders and personnel lifts
• Power tools and hand tools
• Welding machines and sheet metal fabrication equipment
• Material lifts and chain falls
• CMMS tablets and mobile work order systems
• District vehicles and vans

Travel

Travel between schools, district facilities, and central offices will be required.

Physical and Mental Demands

• Ability to perform all tasks and work the hours required
• Ability to work indoors in extreme heat and cold and outdoors in inclement weather conditions including heat, cold, rain, or snow
• Ability to wear proper safety equipment as required while performing the various responsibilities required for this position
• Ability to work overtime on short notice may be required
• Work in standard office, shop and school building environments
• Ability to work in confined or high spaces; some strenuous physical work
• Ability to work productively in stressful situations
• Daily schedule may fluctuate to accommodate deadlines and delivery of services
• Limited (0-1 hour): Crawling, lying down (back, side, front), keyboarding/mouse, and high impact vibratory tools (bucking/riveting)
• Occasional (1-3 hours): Below the waist reaching, waist to shoulder reaching, overhead reaching, sitting, climbing/balancing (stairs, ladders, others), operating foot controls, bending at the waist, kneeling, crouching (squatting), fine finger manipulation, and low impact vibratory tools (drilling/sanding)
• Frequent (3-6 hours): Standing, walking, rotation of head/neck, flexion (head bend down & head bend back), twisting at the waist, and forceful gripping
• Constant (6-8 hours): Total reaching, and handling/grasping
• Exposures to: Dust, odor, fumes, mists, gases, and chemicals (leak detector, hydrochloric acid, lubricants, PVC cement & primer, fire stop, Loctite (262, 515, & 620), cleaning solutions (including nickel safe cleaner, shiny-side coil cleaner), refrigerants (R-22, 134a, 404, 410 & 407c), refrigerant oils (mineral and POE based), boiler chemicals (Chemsearch 585, CWT-92, Chemsearch 100 & MB 1000), compressed gas (oxygen, nitrogen, acetylene, carbon dioxide & map gas), propylene glycol, Algaecide, spray paint, Cal-shield, soldering flux paste, and Sta-clean antimicrobial

Knowledge, Skills, and Abilities

• Extensive knowledge of commercial HVACR systems, controls, and mechanical equipment
• Understanding of refrigeration cycles, hydronic systems, airflow principles, and HVACR sequence of operations
• Ability to troubleshoot electrical and mechanical HVACR systems using meters, gauges, and diagnostic tools
• Knowledge of chillers, boilers, RTUs, AHUs, DOAS systems, VAV systems, VRF systems, pumps, cooling towers, VFDs, unit ventilators, and associated controls
• Ability to read and interpret blueprints, wiring diagrams, mechanical drawings, and control schematics
• Familiarity with refrigerants including R-22, R-410A, R-134A, and R-454B along with EPA refrigerant handling procedures
• Knowledge of preventative maintenance practices and predictive maintenance techniques
• Ability to safely operate lifts, ladders, recovery equipment, welding equipment, pipe threading tools, and sheet metal fabrication equipment
• Ability to utilize computerized maintenance management systems (CMMS), tablets, and digital work order systems
• Strong customer service, communication, and teamwork skills
• Ability to work independently and prioritize assignments effectively
• Ability to adapt to evolving HVACR technologies, refrigerants, controls, and energy management systems
• Ability to maintain professionalism and confidentiality while working with staff, vendors, and the public

Qualifications

• High School Diploma or GED preferred
• Valid Kansas Driver's License required throughout employment
• Mechanical Journeyman or Master License preferred at time of hire and must be obtained within two (2) years of employment
• EPA Refrigerant Certification preferred at time of hire and must be obtained within two (2) years of employment
• Experience with commercial/institutional HVACR systems strongly preferred
• Experience working with chillers, boilers, RTUs, AHUs, DOAS systems, VAV systems, VRF systems, VFDs, unit ventilators, and BAS/EMS controls preferred
• Experience troubleshooting low-voltage and line-voltage HVACR electrical systems preferred
• Experience using computerized maintenance management systems (CMMS), tablets, and digital work order systems preferred

Interrelations

• Maintain positive working relationships with district personnel, vendors, contractors, and customers
• Work under the direct supervision of the department supervisor to complete daily tasks and assignments
• Interact with diverse populations while maintaining professionalism, tact, and diplomacy
• Respond appropriately to customer needs while maintaining a positive and service-oriented attitude
• Represent the Facilities Division and Wichita Public Schools in a professional and positive manner

Employee Punctuality and Appearance

• Employees are expected to perform all assigned duties and work all scheduled hours during each designated workday unless approved leave has been granted
• Any deviation from assigned hours must have prior approval from the employee's supervisor or building administrator
• Employees are required to report to work dressed in a manner that reflects a positive image of USD 259 and is appropriate for their position
• Perform additional duties and responsibilities as assigned by the Supervisor(s) of BGMS