184(1)An employer shall ensure that a procedure to prevent a shaft conveyance or counterweight from coming into contact with an intermediate shaft obstruction is in writing and posted in the hoist room for use by the hoist operator.
184(2)An employer shall ensure that protective devices and procedures are used to prevent a shaft conveyance or counterweight from coming into contact with an intermediate shaft obstruction.
184(3)An employer shall ensure that the location of an intermediate shaft obstruction is marked on the depth indicator of a hoist.
184(4)An employer shall ensure that protective devices are installed to prevent the inadvertent entry into the shaft hoisting compartment of any device that may become an intermediate shaft obstruction.
184(5)A door covering the shaft at the collar to facilitate the maintenance of a shaft conveyance is not an intermediate shaft obstruction if
(a)
it is positively latched out of the shaft compartment when not in use, and
(b)
dual lights are installed to indicate to the hoist operator whether the door is in or out of the shaft compartment.