30 C.F.R. § 57.14112 Construction and maintenance of guards.
Title 30 - Mineral Resources
(a) Guards shall be constructed and maintained to— (1) Withstand the vibration, shock, and wear to which they will be subjected during normal operation; and (2) Not create a hazard by their use. (b) Guards shall be securely in place while machinery is being operated, except when testing or making adjustments which cannot be performed without removal of the guard.
Title 30: Mineral Resources
PART 57—SAFETY AND HEALTH STANDARDS—UNDERGROUND METAL AND NONMETAL MINES
Subpart M—Machinery and Equipment
Safety Devices and Maintenance Requirements
§ 57.14112 Construction and maintenance of guards.
