A school building that has a vestibule is not required to have a manual fire alarm box installed within the vestibule if a manual fire alarm box is located within 5 feet of the interior door of the vestibule.
MCL 125.1504h
A school building that has a vestibule is not required to have a manual fire alarm box installed within the vestibule if a manual fire alarm box is located within 5 feet of the interior door of the vestibule.
MCL 125.1504h