Mich. Admin. Code R. 408.7090 - Locking devices
Rule 90.
(1) The
hinged cover and the upper landing side entrance door, when provided, shall be
provided with a mechanical latch and an electrical contact designed to be
operated from inside the hoistway.
(2) A locking device shall be provided to
prevent the top hinged cover from locking the upper landing side entrance door
when the lift station is occupied.
Notes
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