30 CFR § 57.19108
Posting warning signs during shaft work.
When persons are working in a shaft "Men Working in Shaft" signs shall be posted at all devices controlling hoisting operations that may endanger such persons.
30 CFR § 57.19108
Posting warning signs during shaft work.
When persons are working in a shaft "Men Working in Shaft" signs shall be posted at all devices controlling hoisting operations that may endanger such persons.
