Question 1
Per 29 CFR 1926.651, a stairway, ladder, ramp, or other safe means of egress is required in a trench excavation once the trench reaches what minimum depth?
Correct Answer:
4 feet
Question 2
Unless a retaining device is used, excavated spoil that could fall or roll into a water-line trench must be kept at least how far from the edge of the excavation?
Correct Answer:
2 feet
Question 3
Under 29 CFR 1926.652, a protective system against cave-ins is required in excavations that are 5 feet or deeper unless which condition is met?
Correct Answer:
The excavation is entirely in stable rock, or it is less than 5 feet deep and a competent person finds no indication of a potential cave-in
Question 4
Under 29 CFR 1926 Subpart P, which statement best describes a competent person for excavation work?
Correct Answer:
A person who can identify existing and predictable hazards and who has authority to take prompt corrective measures
Question 5
For an excavation less than 20 feet deep in Type C soil, what is the maximum allowable slope under OSHA 1926 Subpart P Appendix B?
Correct Answer:
1-1/2 horizontal to 1 vertical (34 degrees)
Question 1 of 100
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Prepare with the SC Water and Sewer Lines Practice Questions - South Carolina Water and Sewer Lines Contractor Examination Exam practice quiz. This question bank includes 100 questions covering feet, acpa, excavation, invert, and pipe. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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SC Water and Sewer Lines Practice Questions - South Carolina Water and Sewer Lines Contractor Examination Exam

This practice set contains 100 questions from the matching question bank and focuses on feet, acpa, excavation, invert, and pipe. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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