MSHA - Code of Federal Regulations - 30 CFR 57.11055
Skip to content
MSHA - Title 30 CFR
30 CFR § 57.11055
Inclined escapeways.

Any portion of a designated escapeway which is inclined more than 30 degrees from the horizontal and that is more than 300 feet in vertical extent shall be provided with an emergency hoisting facility.

For more information: See MSHA'S Program Policy Manual