(a) Surface 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.
(b) Underground belt conveyors shall be equipped with a detection
system capable of automatically stopping the drive pulley if slippage could
cause ignition of the belt.
(c) A person shall attend the belt at the drive pulley when it is
necessary to operate the conveyor while temporarily bypassing the automatic
function.