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PLUMBER
61220
(Non-Competitive)




DISTINGUISHING FEATURES OF THE CLASS

Under the general supervision of supervisory level maintenance personnel, an employee in this class performs skilled work in applying the techniques of the trade in the assembly, installation, and repair of pipes, fittings, and fixtures of heating, water, and drainage systems according to specifications and codes. An employee in this class must determine causes of trouble in heating, water, and drainage systems. An employee in this class possesses the necessary knowledge’s, skills and abilities to perform any or all tasks, which distinguishes classifica­tions that perform plumbing work of lesser difficulty, which requires lesser skills. An employee in this class receives assignments orally from the supervisor, who may supplement the oral instructions with sketches, diagrams, or blueprints. The Supervisor reviews assignments by discussing same or through personal inspection. An employee in this class occasionally may exercise direct super­vision over a small number of workers who perform unskilled tasks such as digging or carrying equipment.

ILLUSTRATIVE EXAMPLES OF WORK

Studies sketches, diagrams, blueprints, and similar types of plans to determine materials and tools needed as well as sequence of installations.

Inspects structures to identify obstructions to be avoided or removed in installing pipes, fittings, or fixtures.

Locates and marks positions of pipes, pipe connections, and passage holes in walls and floors to accommodate pipes, fittings and fixtures, by using such hand tools as plumb bobs, rulers and spirit levels.

Cuts openings in walls and floors to accommodate pipes, fittings and fixtures by using such tools as hand or power saws.

Cuts and threads pipe by using such tools as pipe cutters, cutting torch and threading machine.

Bends pipe to required angles by using a pipe-bending machine or by placing pipe over blocks and bending it by hand.

Assembles and installs valves, pipe fittings, and pipes, composed of metals and non metals by using hand tools such as wrenches.

Wins pipe by use of screws, bolts, fitting, solder, or by threaded, fused, or cemented joints, or by sizing pipe threads together and turning one pipe so it draws up the other.

Fills water system with water or air and reads pressure gauges to determine whether any leaks exist.

Installs plumbing fixtures and appliances such as sinks, toilets, hot water heaters, and pumps and repairs same by installing new parts such as washers or pieces of pipe or repairs same by mending parts such as reaming seats and faucets.

Estimates through considered or casual judgment and through measuring and counting both materials and time needed to perform work.

REQUIRED KNOWLEDGES, SKILLS AND ABILITIES

Thorough knowledge of methods, materials, and equipment used in plumbing work.

Thorough knowledge of local codes and regulations governing plumbing installation.

Skill in making plumbing installations and repairs.

Skill in the use of tools and materials used in the plumbing trade.

Ability to read and understand sketches, drawings, and blueprints.

Ability to follow oral instructions pertaining to plumbing work.

Ability to estimate through considered or casual judgement and through measuring and counting both materials needed and duration of assignments.

MINIMUM QUALIFICATIONS

Four (4) years of full time experience under a journey level Plumber, which provided training equivalent to that given in an apprenticeship program. Appren­ticeship training in the plumbing trade, or training gained by the completion of technical courses in the plumbing trade at a school institute, or branch of the Armed Services may be substituted for the above training and experience on a year for year basis.

2/78 Revised