30 CFR 56.4503 - Conveyor belt slippage.
Belt conveyors within confined areas where evacuation would be restricted in the event of a fire resulting from belt-slippage shall be equipped with a detection system capable of automatically stopping the drive pulley. A person shall attend the belt at the drive pulley when it is necessary to operate the conveyor while temporarily bypassing the automatic function.
Title 30 published on 2013-07-01
no entries appear in the Federal Register after this date.