Under general supervision, applies knowledge and skill at the level of a journeyworker to cut and shape metal, and to assemble, install and repair metal fabrications. Fabricates, assembles, and installs fume hoods, exhaust fans, heating and cooling ducts, and exterior sheet metal work. Sets up and operates fabricating machines such as shears, brakes, lock former, forming stakes, nibbler and other related sheet metal shop equipment. Draws latouts and reads and interprets blueprints and drawings. Assists in directing the work of apprentices and other help.
Welds duct work and other light gauge metals.
Knowledge of the principles, methods and techniques used in the sheet metal trade. Ability to interpret instructions, specifications and blueprints. Knowledge of sheet metal materials, tools and equipment and skill in their safe use. Knowledge of the occupational hazards and safety precautions of the trade. Ability to plan and perform work involving the design, assembly and installation of sheet metal fabrication.