SafetyQuestion 596 of 690
For Type B soil, the maximum allowable slope of an excavation wall from horizontal (when sloping is used as the protective method) is:
a.1:1 (45 degrees)
b.1.5:1 (about 34 degrees)
c.2:1 (about 27 degrees)
d.Vertical (90 degrees)
Explanation
Under §1541.1 and Appendix B, sloping for Type B soil requires a horizontal-to-vertical ratio of 1:1, which is approximately 45 degrees from horizontal. Type A allows steeper (3/4:1) and Type C requires flatter (1.5:1).
Law Reference: 8 CCR §1541.1Practice all 690 questions free — no signup required.
Related questions on this topic
- After identifying an unsafe condition on a job site, the IIPP standard requires the employer to:
- Cal/OSHA's high-heat procedures under the Heat Illness Prevention standard are triggered when the outdoor temperature reaches or exceeds:
- A personal fall arrest system anchor point in construction must be capable of supporting at least how much force per attached employee?
- Which of the following is NOT one of the required elements of a written Injury and Illness Prevention Program (IIPP)?
- A serious injury or death of an employee on a jobsite must be reported to Cal/OSHA within what time frame?
- A recordable work-related injury must be entered on the Cal/OSHA 300 log within how many calendar days of learning that the case occurred?
Last reviewed: · editorial process
PrepPass Editorial Team · Verified against California CSLB Contractor License Law & Business Exam · How we review