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State of Washington Classified Job Specification


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Class Code: 621G
Category: Maintenance Trades & Labor


Leads and performs journey-level plumbing, steamfitting, and/or pipe fitting work.

Distinguishing Characteristics

Positions in this class are distinguished by the responsibility to assign and lead work at a project or job location, to instruct other assigned plumbers, to correct and specify methods, and to perform plumbing, steam fitting, and pipe fitting work.

Typical Work

Perform all duties of a plumber/pipefitter/steamfitter;

Lead assigned personnel in the performance of work;

Assure adherence to safety rules and precautions by assigned personnel;

Develop preliminary cost estimates for installation, construction, and repairs;

Develop methods and procedures to be followed by assigned personnel;

May perform work in other trades;

Perform related duties as required.

Knowledge and Abilities

Knowledge of: standard practices, methods, materials, tools, and equipment of plumbing, pipefitter, or steamfitter trades; kinds, uses, and qualities of fixtures; safety precautions.

Ability to: work from blueprints, plans, and sketches; estimate materials and time needed to complete jobs; use hand and power tools.

Legal Requirement(s)

There may be instances where individual positions must have additional licenses or certification.  It is the employer’s responsibility to ensure the appropriate licenses/certifications are obtained for each position.

Desirable Qualifications

One-year of full-time experience as a journey plumber/pipefitter/steamfitter or equivalent trade skill. 

Possession of a valid motor vehicle operator's license may be required.

Equivalent education/experience will substitute for all minimum qualifications except when there are legal requirements, such as a license/certification/registration.

Class Specification History

New class adopted January 1, 1973.
Revise class. Revises minimum qualifications; adopted July 2, 1990.
Revise class. Revises class code (formerly 5428), general revision; adopted May 10, 2007, effective
July 1, 2007