DUCT INSTALLER/ FITTER Cuts and shapes fiberglass sheet to form heating and air-conditioning ducts, using hand tools: Places sheet on worktable for cutting. Measures and marks sheet according to specifications, using tape measure and marker. Cuts wedge shaped grooves according to marking to facilitate folding, using straightedge and knife. Folds sheet to form rectangular duct and fastens open edge of duct, using pneumatic stapler. Cuts aluminum tape according to length of duct and tapes edge of duct to make air tight seal. Writes model number on completed sections of duct with felt pen. Moves ducts to designated storage area.
BOILER INCHARGE/ OPERATOR Review blueprints to understand requirements Set and modify specifications Inspect and prepare sites for construction operations Measure and cut pipes according to requirements Weld, assemble, and lubricate pipes Install and secure pipes (e.g. with clamps) Test functionality of hydraulic and other systems Repair malfunctions, breakages, or leaks Use and maintain tools (e.g. pneumatic drill, saws) Collaborate with other workers (e.g. plumbers, painters) to produce finished constructions