Sec. 4h. 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.
Mich. Comp. Laws § 125.1504h, under STILLE-DEROSSETT-HALE SINGLE STATE CONSTRUCTION CODE ACT.
Mich. Comp. Laws § 125.1504h
Sec. 4h. 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.