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    This position is located in the Architect of the Capitol (AOC), United States Botanic Garden (USBG), Operations Division. The incumbent performs journey-level Maintenance Mechanic duties in heating, ventilation and air conditioning (HVAC), electrical, carpentry, plumbing/pipefitting boiler plant maintenance and various support work throughout the USBG.

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    The United States Botanic Garden (USBG) is a living plant museum that informs visitors about the importance, and often irreplaceable value, of plants to the well-being of humans and to earth's fragile ecosystems. Established by the U.S. Congress in 1820, the U.S. Botanic Garden is one of the oldest botanic gardens in North America. Since 1934, it has been administered through the Architect of the Capitol.  The Garden has been recognized as a museum and is accredited by the American Alliance of Museums. This accreditation is a widely recognized seal of approval that recognizes a museum's commitment to excellence, accountability, high professional standards and continued institutional improvement.

    ** This position is essential. The selectee will be required to report to work during emergencies and inclement weather situations. Tour of duty may include holidays and weekends on a regular or recurring basis. Rotating shift work may also be required at management’s discretion.

    Duties quoted below are for the WG-10 grade level.

    Major Duties Include:


    Maintains, troubleshoots and corrects HVAC and facility systems by using numerous testing techniques and test equipment. Locates sources of trouble, whether in the controls or equipment itself and determines the nature and extent of repairs or adjustments needed.

    Independently installs, operates and maintains a wide variety of HVAC systems that provide for a variety of air conditioning functions such as heating, cooling, humidifying, dehumidifying, cleaning, filtering and circulating air. Assignments include large projects with complex problems and with extensive repairs requiring judgments, e.g., frequent and difficult determinations concerning the location of faulty equipment and the kinds and types of repairs needed to balance and repair the systems.

    Electrical Monitoring and Equipment

    Responsible for correcting electrical control and monitoring systems and equipment. Tests systems for correct conditions. Dismantles electrical-mechanical systems to diagnose malfunctions and effect necessary repairs. Executes installation and maintains existing electrical systems. Removes and fixes electrical or electronic malfunctions such as relay systems, interface devices and analog/digital controls.

    Plumbing/Pipefitting Systems

    Assembles, connects and fixes pipes, fittings and fixtures of steam heating, water according to specifications and plumbing codes. Installs, alters, troubleshoots, repairs, maintains and fabricates the various high and low pressure piping systems throughout the USBG which encompasses the domestic water distribution systems, the sewage systems, the steam generation systems, the tempered water systems, the hydronic heating system, the fire sprinkler system, the drain, waste and vent systems and the irrigation systems.


    Performs carpentry and other disciplines such as glazing and painting work as required. Constructs, installs, repairs and/or modifies wood and wood substitute structures and items, such as door and window frames, furniture, etc. to include finishing and painting. Installs or replaces interior partitions, flooring, panels, suspended ceilings, counter tops, moldings and glazing. Inspects, installs or replaces glazing and vent system components in the various greenhouses.

    Maintains and Repairs Boilers

    Connects, adapts, fixes, sustains and runs the low and medium pressure vessels at the USBG that are used for the production and distribution of hot water, tempered water, low pressure and medium pressure steam. Installs, modifies, repairs, maintains, troubleshoots and operates the auxiliary equipment associated with the pressure vessels. Accomplishes scheduled annual preventive maintenance of the pressure vessels, which occurs during the shut-down periods of the hydronic and steam heating systems, in order to prepare the heating systems for the new heating season.

    Reviews, keeps up and checks the status of the computer operated environmental control system and all the areas that it controls. Regularly checks and confirms the various display screens which includes zone summary, alarms, zone detail and conditional control. Reads as necessary the master menu and checks the zone parameters for the temperature regimes and strategies for the growing environments. Sustains efficient combustion levels and ensures compliance with air pollution laws or regulations.

    Travel Required

    Not required

    Supervisory status


    Promotion Potential

    11 - Full Performance Level is WG-11

This job originated on www.usajobs.gov. For the full announcement and to apply, visit www.usajobs.gov/GetJob/ViewDetails/613591200. Only resumes submitted according to the instructions on the job announcement listed at www.usajobs.gov will be considered.