Main Content 167-1917-V friendly link Printer Friendly index and updates Search within this Statute for HOUSING LAW OF MICHIGAN (EXCERPT)Act 167 of 1917 Article V IMPROVEMENTS. DocumentTypeDescription Section 125.489SectionRooms; lighting and ventilation. Section 125.490SectionMultiple dwellings; public halls and stairs, lighting and ventilation. Section 125.491SectionPlumbing fixtures. Section 125.492SectionPrivy vaults, school-sinks and water closets. Section 125.493SectionProtection of basements and cellars. Section 125.494SectionShafts and courts; openings. Section 125.495SectionEgress; means above first floor. Section 125.496SectionEgress; other means. Section 125.497SectionRoof egress in multiple dwellings.