Layout Workers, Metal & Plastic

Code: 51-4192.00

Description : Lay out reference points and dimensions on metal or plastic stock or workpieces, such as sheets, plates, tubes, structural shapes, castings, or machine parts, for further processing. Includes shipfitters.

JobTitles : Ship Fitter, Fitter, Layout Worker, Layout Technician, Layout Inspector, Quality Technician, Layout Man, Development Mechanic, Fabricator, Layout Mechanic

Tasks:
  • Fit and align fabricated parts to be welded or assembled.
  • Plan and develop layouts from blueprints and templates, applying knowledge of trigonometry, design, effects of heat, and properties of metals.
  • Lay out and fabricate metal structural parts such as plates, bulkheads, and frames.
  • Mark curves, lines, holes, dimensions, and welding symbols onto workpieces, using scribes, soapstones, punches, and hand drills.
  • Compute layout dimensions, and determine and mark reference points on metal stock or workpieces for further processing, such as welding and assembly.
  • Locate center lines and verify template positions, using measuring instruments such as gauge blocks, height gauges, and dial indicators.
  • Lift and position workpieces in relation to surface plates, manually or with hoists, and using parallel blocks and angle plates.
  • Plan locations and sequences of cutting, drilling, bending, rolling, punching, and welding operations, using compasses, protractors, dividers, and rules.
  • Inspect machined parts to verify conformance to specifications.
  • Design and prepare templates of wood, paper, or metal.