NM CID GF-4 Practice Questions - New Mexico CID GF-4 Drainage Or Flood Control Systems Contractor Examination Exam

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A 22-foot-deep excavation for a concrete outlet structure will be sloped or shored. What additional OSHA requirement applies at this depth?

No protective system is needed if workers wear harnesses A competent person may use the Appendix B simple slopes without further design Only aluminum hydraulic shoring from a rental yard may be used, without tabulated data The protective system must be designed by a registered professional engineer or based on tabulated data approved by a registered professional engineer

Correct Answer:

The protective system must be designed by a registered professional engineer or based on tabulated data approved by a registered professional engineer

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