This is the entry level of the series. Responsible for assisting in the overall operation and maintenance of low-pressure steam or hot water heating and auxiliary boiler room equipment or tends high-pressure power boiler system consisting of one or more boilers up to 150 h.p. each. May assist with the operation of water chillers, air compressors and allied equipment.

Fires boilers and maintains proper steam pressures and water levels; adjusts equipment to maintain flow of steam or hot water to meet load requirements; tends boiler feedwater pumps, vacuum pumps, circulating pumps, water treatment system, and other boiler room equipment.

Blows down, washes, cleans, and paints boilers and tanks; scrapes and cleans flues; cleans, oils, adjusts, and makes minor repairs to boiler room equipment;

Repairs and maintains air compressors, fans, and other mechanical equipment located throughout institution or building;

Takes water temperature, pressure, fuel consumption, and other readings from meters and recording devices and records them in shift log;

Takes boiler water samples; runs required tests and adjusts chemical feed or adds chemical by hand when required;

Performs variety of manual and janitorial tasks in and around boiler room;

Diagnose operating difficulties and take ore recommend corrective measures; report maintenance problems beyond ability to resolve;

Monitor daily power plant logs, take shift readings, and prepare assigned reports and requests for appropriate supplies and inventory;

Load and unload coal, remove cinders, etc;

May supervises patients or students;

Performs other work as required.

Knowledge of: boiler law; methods, fuels, materials, and tools used in operation and maintenance of high-pressure boilers and auxiliary equipment; boiler room safety; heating, lighting, ventilation, and other related mechanical equipment; standard types of automatic controls.

Ability to: test and analyze operation of steam boilers and auxiliary equipment; instruct and supervise others; keep records; make written reports; perform heavy manual labor; work under and withstand elevated ambient temperature.

In some positions in this class, a municipal steam engineer's license may be required.

Persons legally authorized to work in the U.S. under federal law, including Deferred Action for Childhood Arrivals recipients, are eligible for employment unless prohibited by other state or federal law.

Two years of experience in the operation, maintenance and/or repair of stationary or marine high-pressure boilers and heating systems. 

                                                                            OR

Certificate of completion of an advanced Stationary Engineer course from an accredited vocational/technical school or community college and one year of experience in the operation, maintenance and/or repair of stationary or marine high-pressure boilers and heating systems.

Note:  Designations of boilers shall be as defined in the Washington Boilers and Unfired Pressure Vessels Law.

New class, consolidates 5621 Assistant Steam Engineer, 75100 Stationary Engineer 1; adopted
May 10, 2007, effective July 1, 2007.

Revised Legal Requirements; effective June 6, 2024, due to adopted legislative action.