A/C Equip Mechanic

General Job Information

Job Summary

This position is located in the Office of Facilities Management, Directorate of Library Business Operations, District of Columbia Public Library (DCPL). The incumbent of this position is responsible for performing mechanical and maintenance operations for the DCPL System. This system encompasses the central library and neighborhood libraries throughout the District of Columbia. The Martin Luther King Memorial Library, the central library and main building, has an interior floor space in excess of 400,000 square feet. The building contains a steam-reducing plant with of more than 200 horsepower, with two 655-ton, air conditioning chiller units, numerous elevators and variety of electric, gas and ground maintenance equipment.

Duties and Responsibilities

• Ensures the proper mechanical operation, maintenance and repair of heating, air conditioning, and ventilation systems. Performs standard repairs of both electrical and plumbing systems.

• Operates and properly maintains low pressure (oil-fired or gas-fired) steam or hot water heating plant, its controls and auxiliaries; makes periodic temperature checks of areas in facility in order to maintain proper room temperature, calibrates thermostats as necessary and records temperature, in logbook.

• Cleans boiler as scheduled to include lubrication and care of electronic motors, compressors, and other mechanical equipment. Prepares heating plant for annual inspection by the Department of Consumer and Regulatory Affairs.

• Operates and maintains air conditioning systems (chill water or direct expansion); tests for proper operation; traces and locates defects and makes necessary repairs; cleans and lubricates moving parts; tightens connections.

• Obtains needed plans, blueprints, materials, and tools; ensures that needed stock is obtained from supply locations.

• Frequently communicates with branch librarians to assess needs and resolve problems.

• Posts license or other notices at MLK and the branches as needed. Inspects daily conditions of the physical plant in these locations and makes appropriate repairs.

• Supports the leader and supervisors in fostering management goals, and efficiency and economic work operations.

• Participates with other staff in snow removal or to respond to emergency conditions.

• Performs all other related duties as assigned.

Education and Experience

A High School Diploma or equivalent plus a District of Columbia 3rd Class Engineers License in addition to a minimum of three (3) years of direct HVAC service experience and/or one year experience in working in the next lower grade level. Considerable experience in the installation, maintenance, or repair of HVAC and related environmental control systems. The following is also required:

• Knowledge of and ability to safely operate and maintain a variety of low- pressure boilers and air-conditioning systems and auxiliary equipment to make visible, audible, and mechanical checks for proper operation.

• Knowledge of the refrigeration cycle of a variety of commercial and industrial systems to locate and check elements such as those which control low side and high side pressure, the temperature of the cooling units, liquid and suction lines, running time of the various mechanisms, and exploration of probable reasons for equipment failure.

• Skill in dismantling, repairing and reassembling units such as pumps, impellers, compressors, chillers, receivers, evaporators, thermostats, safety devices, and switches, etc.

• Knowledge of the principles and theories of air conditioning and refrigeration including refrigeration cycles, heat transfer laws, the use of refrigerant tables; airflow calculation, and pressure temperature characteristics for the different systems in order to locate and repair faulty equipment swiftly and to reduce inoperative time to a minimum.

• Knowledge of building fire and safety codes and OSHA regulations.

• Ability to communicate effectively both orally and in writing. Ability to read, write, and interpret written instructions and procedures.

Residency Requirement

A person applying for a position in the Career Service, Educational Service, Management Supervisory Service, an attorney position in the Legal Service (series 905) other than the Senior Executive Attorney Service (SEAS), or an attorney position in the Excepted Service (series 950) who is a bona fide District resident AT THE TIME OF APPLICATION for the position, may be awarded a 10-point residency preference over non-District applicants, unless the person declines the preference points. If selected the person shall be required to present no less than 8 proofs of bona fide District residency and maintain such residency for 7 consecutive years from the effective date of the appointment. Failure to maintain bona fide District residency for the 7-year period will result in forfeiture of employment.

General Suitability Screening

This position is subject to general suitability screening; verification of employment history, reference checks and degree/license, as applicable. The appointee to the position may be offered employment contingent upon receipt of a satisfactory general suitability screening.

Enhanced Suitability Screening

The position for which the individual is applying has been identified and designated as requiring enhanced suitability screening; If tentatively selected for the position, a criminal background check, traffic record check, consumer credit check, and mandatory drug and alcohol test will be conducted (as appropriate); and the appointee to the position may be offered employment contingent upon receipt of a satisfactory enhanced suitability screening.

Employment Benefits

Selectee will be eligible for health and life insurance, annual (vacation) and sick leave and will be covered under the District of Columbia government's retirement plan. However, if selectee was previously employed in the District of Columbia government under an appointment for which he/she was eligible for Civil Service Retirement (CSR), contributions to CSR will resume upon re-employment.

Licenses and Certifications

This position requires a 3rd Class Engineers License from Washington DC and a valid State issued Driver's License.

Working Conditions/Environment

Work is performed in facilities that have adequate lighting, air conditioning and heating however, is expected to work outdoors in all kinds of weather. Exposure to danger of boiler bursts, poisoning from chemical fumes, escaping gases, as well as cuts and bruises from accidents while working. May be exposed to asbestos containing materials.

Other Significant Factors

Emergency Designation: This position is designated as Essential. Essential employees are required to report to work during a declared emergency.

Collective Bargaining Unit: This position is in the collective bargaining unit.

Telework: This position is Essential and is not eligible for Telework

Equal Employment Opportunity

The District of Columbia Government is an Equal Opportunity Employer: all qualified candidates will receive consideration without regard to race, color, religion, national origin, sex, age, marital status, personal appearance, sexual orientation, gender identity or expression, family responsibilities, matriculation, political affiliation, genetic information, disability. Sexual harassment is a form of sex discrimination, which is also prohibited. In addition, harassment based on any of the above-protected categories is prohibited.

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