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| Travelways—Underground Only | 57.11036 – 57.11041 | ||||||||||||||||
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50 FR 4082, Jan. 29, 1985, unless otherwise noted.
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Subscribe to: 30 CFR Part 57 Subpart J - Travelways—Underground Only
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Trap doors or adequate guarding shall be provided in ladderways at each level. Doors shall be kept operable.
Ladderways constructed after November 15, 1979, shall have a minimum unobstructed cross-sectional opening of 24 inches by 24 inches measured from the face of the ladder.
Before entering a manway where persons may be working or traveling, a warning shall be given by the person entering the manway and acknowledged by any person present in the manway.
Travelways steeper than 35 degrees from the horizontal shall be provided with ladders or stairways.
Fixed ladders with an inclination of more than 70 degrees from the horizontal shall be offset with substantial landings at least every 30 feet or have landing gates at least every 30 feet.