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    Duties

    Summary

    This position is located in the Architect of the Capitol, Office of the Chief Operating Officer, Facility Manager Buildings and Grounds Supreme Court, Operations and Maintenance Division, Maintenance Branch. The selectee will perform journey-level Maintenance Mechanic duties in the maintenance and repair of mechanical, plumbing, utility, heating, ventilation and air-conditioning (HVAC), steam generating equipment and building automation systems.

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    Responsibilities

    Tour of Duty: Day shift (6:00 am – 2:30 pm) with alternate work schedule available.

    Work schedule may include holidays and weekends on a regular and reoccurring basis.

    ***The incumbent of this position is designated as “Emergency/Essential” and will be required to report to work during emergencies and inclement weather conditions.***

    ***Chlorofluorocarbon (CFC) Certification by an EPA-Approved Technician's Certification Program is required.***

    HVAC and Refrigeration Troubleshooting, Installation and Maintenance

    • Maintains a variety of commercial and industrial systems in order to locate and check elements such as those which control low and high side pressures, the temperature of the cooling units, the temperatures of the liquid and suction lines and the running time of the various mechanisms.
    • Dismantles, repairs and reassembles units such as pumps, impellers, compressors, receivers and evaporators. Installs and fits connecting rods, crank shafts, piston rings, bearings and bushing. Overhauls valves by adjusting or replacing gaskets, springs, floats, diaphragms, valve fittings, seals and couplings and by aligning motors and drives.
    • Ensures the repair, overhaul, maintenance and servicing of equipment such as (but not limited to) refrigerator, freezers, water coolers, ice machines, commercial air handling units and smaller air conditioning units; ventilation systems, humidification and dehumidification systems, air compressors and central vacuum systems.
    • Ability to navigate the Building Automation System (BAS) system from an operation, troubleshooting and diagnosis standpoint; as well as perform the installation of equipment and components.
    • Oversees the installation, repair and troubleshooting of low voltage equipment such as thermostats and controllers; complex heating units related to steam, domestic and secondary hot water systems; other HVAC equipment such as variable frequency drives and motor controllers; and routine maintenance such as replacement of filters, bearings, calibration of sensors and other equipment.

    Plumbing and Piping Systems Installation, Inspection and Maintenance

    • Troubleshoots and analyzes defects or malfunctions in specialized pipeline systems and related fixtures. Inspects piping system equipment and fixtures using a variety of diagnostic techniques and equipment to locate a problem. Checks steam and chilled water system for leaks, defects in equipment and malfunctions.
    • Installs, modifies, repairs, maintains and troubleshoots high and low pressure piping systems, including domestic water distribution systems; sewage systems; steam generation systems; tempered water systems; hydronic heating systems; drain, waste and vent systems; sump pumps, sewage ejectors, irrigation systems; and fountain display systems.
    • Replaces defective pipe by cutting, bending, threading and assembling piping materials suited to the specialized use of the piping system. Fits pipe sections by screwing, bolting, brazing, welding, gluing, fusing, soldering and replacing connections with new mechanical couplings.
    • Tests systems and equipment for proper operation, circulation, flow, pressure and ensures leak-free joints. Traces and troubleshoots pipelines, systems and equipment to locate and repair leaks and trouble spots. Performs safety and preventive maintenance inspections of systems and equipment.
    • Inspects and maintains sprinkler system fire and booster (jockey) pumps to confirm that proper system pressure is Troubleshoots and repairs fire pump motor controls and electrical control systems.

    Electronic Equipment Maintenance (Building Automation System/Direct Digital Controls)

    • In support of HVAC operations, installs, maintains, troubleshoots and repairs new and existing highly complex systems of electronic sensing and control as well as new systems of similar complexity, mechanic implementing maintenance and repair procedures on major new or modified systems.
    • Is responsible for installation, modification, operation, maintenance, calibration, repair and troubleshooting of the Direct Digital Controls (DDC) and for the day to day overall performance of the DDC.
    • Installs, modifies, operates, maintains, calibrates, repairs and troubleshoots sensors and controls and related interfaces with building equipment. Develops changes to detailed schematics, drawings and maintenance procedures for use by other employees. Coordinates efforts with technical and professional personnel on changes to equipment and operating specifications.
    • Operates the Jurisdictional Control System (JCS) and other related equipment to display and print point status, change set points and alarm limits, manually control points. Acknowledges and follows-up on system error alarm(s) reported at the JCS to maintain system integrity.

    Travel Required

    Not required

    Supervisory status

    No

    Promotion Potential

    11

  • Job family (Series)

    4749 Maintenance Mechanic

This job originated on www.usajobs.gov. For the full announcement and to apply, visit www.usajobs.gov/GetJob/ViewDetails/525522800. Only resumes submitted according to the instructions on the job announcement listed at www.usajobs.gov will be considered.