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Layout Workers, Metal and Plastic - 51-4192.00

O*NET-SOC 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.

Sample of Reported Job Titles

  • Development Mechanic
  • Layout Fabricator
  • Layout Fitter
  • Layout Inspector
  • Layout Man
  • Layout Mechanic
  • Layout Technician (Layout Tech)
  • Layout Worker

SOC Occupation Groups

51-0000 Production Occupations
51-4000 Metal Workers and Plastic Workers
51-4190 Miscellaneous Metal Workers and Plastic Workers
51-4192.00 Layout Workers, Metal and Plastic

Related Occupations


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

Detailed Work Activities

  • Align parts or workpieces to ensure proper assembly.
  • Apply protective or decorative finishes to workpieces or products.
  • Assemble metal or plastic parts or products.
  • Assemble metal structures.
  • Attach decorative or functional accessories to products.
  • Calculate dimensions of workpieces, products, or equipment.
  • Construct patterns, templates, or other work aids.
  • Create diagrams or blueprints for workpieces or products.
  • Design templates or patterns.
  • Draw guide lines or markings on materials or workpieces using patterns or other references.
  • Inspect metal, plastic, or composite products.
  • Lay out parts to prepare for assembly.
  • Lift materials or workpieces using cranes or other lifting equipment.
  • Plan production or operational procedures or sequences.

Military Crosswalk Titles

  • Advanced Machinery Repairman (Navy - Enlisted)
  • Allied Trades Specialist (Army - Enlisted)
  • Allied Trades Warrant Officer (Army - Warrant Officer only)
  • Damage Controlman (Coast Guard - Enlisted)
  • Hull Maintenance Technician (Navy - Enlisted)
  • Machinery Repairman (Navy - Enlisted)
  • Machinery Repairman Apprentice (Navy - Enlisted)
  • Machinery Repairman Journeyman (Navy - Enlisted)
  • Machinist (Marine Corps - Enlisted)
  • Marine Safety Specialist Engineer (Coast Guard - Warrant Officer only)
  • Material Maintenance Specialty (Coast Guard - Warrant Officer only)
  • Metal Worker (Marine Corps - Enlisted)
  • NAMTS Shipfitter (Navy - Enlisted)
  • Shipfitter (Coast Guard - Enlisted)
  • Steelworker (Navy - Enlisted)
  • Structural (Air Force - Enlisted)
  • Structural Apprentice (Air Force - Enlisted)
  • Structural Craftsman (Air Force - Enlisted)
  • Structural Helper (Air Force - Enlisted)
  • Structural Journeyman (Air Force - Enlisted)

Apprenticeship Crosswalk Titles

  • Lay-Out Worker I (Any Ind)
  • Shipfitter (Ship & Boat)

DOT Crosswalk Titles

  • Lay-Out Worker
  • Lay-Out Worker I
  • Lay-Out Worker II
  • Shipfitter
  • Shipfitter Apprentice