Science Homework Help
Oklahoma City to Community College Underground Installations Questionnaire
- Identify the four requirements for protection from underground installations (4 points).
- Identify the full requirement for means of egress from trench excavations.
- Identify the full requirement for protection from exposure to vehicle traffic.
- Identify the full requirement for protection from exposure to falling loads.
- Identify the full requirement for warning system for mobile equipment.
- Identify the full requirement for testing of hazardous atmospheres in relation to oxygen deficiency.
- Identify the full requirement for protection from water accumulation 29 CFR 1926.651(h)(1).
- Identify the full requirement for stability of structures 29 CFR 1926.651(i)(2)(iii).
- What is the requirement for protecting employees from material which could fall or roll into excavation?
- How often must a daily inspection be conducted?
- Provided the definition of the designation of person that conducts excavation inspection?
- What is the requirement to protect from falls on walkways?
- At what depth are protections systems (from cave in) required in an excavation?
- Excavations must be protected by which four types of protective systems? (4 points)
- Describe the plasticity test for determination of soil classification.
- Describe the Thumb Penetration test for soil classification.
- Identify other strength tests identified in 1926 Subpart P Appendix A (d)(2)(iv).
- 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.
- 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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