Course Title:
Course ID: WA2022-531
Course Type: Industry Related Plumbing (IRP) - 4 hrs.
Expiration Date: 9/7/2025
Fully Illustrated Course

Another great course for us living out of state.

Robert B... Huston TX

Keep up the good work! John Mc...Ford, WA

Great job! I really enjoy taking your courses. Jame McG... Auburn WA

"Learned some new stuff, thanks!" Kent H. - Brush Prairie, WA

The quiz questions for this course can be downloaded in Microsoft Word or PDF.

Cave-ins from improper trenching and excavations injure and kill several hundred workers each year.

The course uses over 300 illustrations and graphics to teach how to:

  • Identify potential excavation problems
  • Apply proper soil testing methods
  • Determine correct sloping angles for various soil types
  • Select methods of trench protection for workers

No code book or other materials are needed when taking this course.

Your completed course information is sent to WA. L&I the next business day.

You will have 60 days to complete this course.

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