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Oklahoma City to Community College Underground Installations Questionnaire

 

  1. Identify the four requirements for protection from underground installations (4 points).
  2. Identify the full requirement for means of egress from trench excavations.
  3. Identify the full requirement for protection from exposure to vehicle traffic.
  4. Identify the full requirement for protection from exposure to falling loads.
  5. Identify the full requirement for warning system for mobile equipment.
  6. Identify the full requirement for testing of hazardous atmospheres in relation to oxygen deficiency.
  7. Identify the full requirement for protection from water accumulation 29 CFR 1926.651(h)(1).
  8. Identify the full requirement for stability of structures 29 CFR 1926.651(i)(2)(iii).
  9. What is the requirement for protecting employees from material which could fall or roll into excavation?
  10. How often must a daily inspection be conducted?
  11. Provided the definition of the designation of person that conducts excavation inspection?
  12. What is the requirement to protect from falls on walkways?
  13. At what depth are protections systems (from cave in) required in an excavation?
  14. Excavations must be protected by which four types of protective systems? (4 points)
  15. Describe the plasticity test for determination of soil classification.
  16. Describe the Thumb Penetration test for soil classification.
  17. Identify other strength tests identified in 1926 Subpart P Appendix A (d)(2)(iv).
  18. T or F In relation to sloping and benching all excavations must follow benching and sloping requirements in subpart P Appendix B. Explain why you selected the above answer.
  19. T or F You are allowed to use a multiple bench type protection if your soil classification test resulted in C soil. Explain why you selected the above answer.

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