Construction site with excavators and workers digging a trench, holding a soil sloping tool.

NEW WA RULE, JUNE 1, 2026
Excavation and Trenching Competent Person

Training

The best Washington State specific Excavation and Trenching Competent Person Training.

Class includes:

  • WAC 296-155-Subpart N rule updates.

  • DOSH DIRECTIVE 27.30 on enforcement.

  • Trench Work Plan requirements.

  • Competent Person definition, roles and responsibilities.

  • Hazards related to excavation and trenching work.

  • The relationship between trenches and confined spaces.

  • Atmospheric hazards, signs, symptoms of exposure, and how to use an air monitor.

  • Hand-on soil classifications.

  • Trench box assembly and inspection.

  • Hydraulic alumninum shore use.

  • Rescue plans and equipment.

Competent Person Training

Competent Person Training