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Scopes of Work - Trades

To find out whether a particular job is a public works project and whether a particular job classification therefore must be paid prevailing wage:

  1. Boilermakers.
  2. Brick Masons.
  3. Building Service Employees (Janitors, Waxers, and Window Washers).
  4. Cabinet Makers.
  5. Carpenters.
  6. Carpenter Tenders.
  7. Carpet and Resilient Floor Layers.
  8. Cement Masons.
  9. Certified Asbestos Abatement Workers.
  10. Clean-up Laborers.
  11. Construction Site Surveyor.
  12. Diver and Diver Tender.
  13. Drywall Applicators (Drywall Nailers and Sheetrock Installers).
  14. Drywall Finishers (Tapers).
  15. Electrical Fixture Maintenance Workers.
  16. Electrician Motor Shop.
  17. Electronic Technicians.
  18. Elevator Constructors.
  19. Fence Erectors and Fence Laborers.
  20. Flaggers.
  21. Glaziers.
  22. Heat & Frost Insulators and Asbestos Workers.
  23. Heating Equipment Mechanics.
  24. Hod Carriers, Mason Tenders and Mortarmen.
  25. Industrial Power Vacuum Cleaner.
  26. Inland Boatmen.
  27. Inside Wireman Electrician.
  28. Insulation Applicators.
  29. Ironworkers.
  30. Laborers.
  31. Laborers in Utilities Construction.
  32. Landscape Construction.
  33. Landscape Maintenance (61 KB PDF).
  34. Lathers.
  35. Marble Setters
  36. Metal Fabricators.
  37. Millwrights.
  38. Operating Engineers (Equipment Operators).
  39. Outside Telephone Line Construction.
  40. Painters.
  41. Pile Drivers.
  42. Plasterers.
  43. Playground & Park Equipment Installers.
  44. Plumbers, Pipefitters, and Steamfitters.
  45. Power Line Clearance Tree Trimming.
  46. Power Line Construction Electricians.
  47. Ready Mix Truck Drivers.
  48. Refrigeration Mechanics.
  49. Remote Controlled Cleaning, Inspection and Sealing of Underground Sewer and Water Systems.
  50. Roofers.
  51. Sheet Metal Workers.
  52. Sign Makers & Sign Installers.
  53. Sprinkler Fitters.
  54. Stage Rigging Mechanics (Nonstructural).
  55. Stone Masons.
  56. Street Sweepers (Nonconstruction).
  57. Telecommunication Technicians.
  58. Terrazzo (Artificial Marble) Workers.
  59. Terrazzo Workers' Helpers, Tile and Marble Setters' Helpers (Finishers).
  60. Tile Setters.
  61. Tinting and Coating Installers.
  62. Traffic Control Stripers.
  63. Truck Drivers.
  64. Utilities Construction (Underground Sewers and Water Lines).
  65. Water Well Drillers, Exploration Drillers, Water Well Pump Installers, and Equipment Oilers.

These links go to the official Scopes of Work listings in WAC 296-127 (

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