安全第 1261 / 1605 题
A trench is 5 feet deep. What means of egress must be provided for workers?
a.No egress is required under 6 feet
b.Only a rope
c.A stairway, ladder, ramp, or other safe means of egress within 25 lateral feet of workers
d.A ladder within 100 feet
解析
1926.651(c)(2) requires a stairway, ladder, ramp, or other safe egress in trenches 4 feet or more deep, located so no worker is more than 25 lateral feet from a means of egress.
法律依据: 29 CFR 1926.651(c)(2)免费刷完整 1605 道题库 — 无需注册。
同考点相关题目
- At what depth does an excavation generally require a protective system such as sloping, shoring, or shielding to protect workers from cave-ins?
- Who must inspect an excavation for hazardous conditions before employees enter and as conditions change?
- For an excavation deeper than 20 feet, protective systems (such as shoring or shielding) must be:
- Excavated spoil, materials, and equipment must be kept at least how far back from the edge of an excavation?
- Before entering a trench more than 4 feet deep where a hazardous atmosphere could exist (e.g., near landfill or sewer), the employer must:
- In the OSHA soil classification system, which soil type is the most stable?