Mich. Admin. Code R. 400.4548 - Large and secure facilities; lighting in means of egress
Rule 548.
(1) In
large and secure facilities, all halls, stairways, and means of egress shall be
constantly lighted. Approved exit signs shall be installed over each required
exit. Exit directional signs shall be provided where exit signs are not readily
visible in means of egress. In new and converted large and secure facilities,
emergency light packs and exit lights shall be provided along the means of
egress. These devices shall include an electric charging unit that will
maintain the batteries fully charged.
(2) In new and converted multistory large or
multistory secure facilities, there shall be a system of emergency backup
capable of maintaining required lighting for not less than 24 hours in the
event of power failure.
Notes
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