392. Where work is carried out in a compartment of a shaft or a headframe:(1) the hoistman shall be previously informed and shall cease all hoisting and transport operations non-essential to the work in that compartment;
(2) the non-essential extraction and transport operations shall cease in the portion of the shaft located above the workers unless the compartment in which the work is carried out is separated by a partition from the other compartments of the shaft or the headframe, in which case the hoisting and the transport may be continued in these other compartments.