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Class Specifications – G.15
Plumbing Supervisor – 8256
Assistant Supervisor – Plumber – 8260
Lead Plumber – 8257
Plumber – 8258

September, 1973

Series Concept

Plumbers assemble, install and repair pipes, fittings and fixtures of heating, water and drainage systems; cut and thread pipes using pipe cutters, cutting torch and pipe-bending machine or by placing pipe over block and bending manually; assemble and install valves, pipe fittings and pipes composed of metals such as iron, steel, brass, copper or lead, and nonmetals such as glass, vitrified clay and plastic; join pipes by use of screws, bolts, fitting, or solder and calk joints; install and repair plumbing fixtures such as sinks, commodes, water heaters, hot water tanks, garbage disposal units and dishwashers; and instruct or lead semi-skilled or unskilled assistants.

Class Concepts

Plumbing Supervisor

Under direction, incumbents supervise and coordinate the work of Assistant Supervisors, Lead Plumbers, and Plumbers. Incumbents typically make hiring selections among job applicants, insure that new and existing staff receive proper training; make daily work schedules and assignments; review work performed at various stages and upon completion; evaluate the performance of subordinate employees; recommend or initiate personnel actions such as promotions, transfers, and disciplinary measures; and maintain various work records including written and oral reports; prepare estimates of manhours, costs and materials required.

Assistant Supervisor – Plumber

Under general supervision, incumbents serve as working supervisors for a specific work crew of plumbers and helpers within the shop (eg: construction crew) which may be carrying out work assignments at a number of jobs. The assigned responsibility for the supervision of different work crews within the shop may change frequently depending upon changing work priorities. Incumbents also assist the Supervisor in establishing daily job schedules; insure that decisions made regarding these priorities are carried out; assist the Supervisor in evaluating job performance and may recommend on disciplinary actions as necessary; may assist the Supervisor with job estimating. Incumbents act for the Supervisor in his absence.

Lead Plumber

Under supervision, incumbents serve as work leaders for plumbers and helpers assigned to a specific job. incumbents give instructions to carry out assigned tasks; may make minor charges in material needs or modifications to assigned work due to material delays or other problems; communicate work order revisions, material delays or other problems to Supervisor or Assistant Supervisor and await further instruction; maintain time and material records and perform the full range of job duties as outlined in the series concept.


Under supervision, incumbents perform the full range of duties as outlined in the series concept.

Minimum Qualifications

Applicants for positions in the Plumber Series are expected to possess the skills, knowledge and abilities essential to the successful performance of the duties assigned to the position.