A copy of the September 6 ordinance is available here. Updated smoke and carbon monoxide detection requirements begin on page 209 of the pdf and are generally aligned with requirements in the 2015 edition of the International Building Code. All changes made by this ordinance will be reflected in the online version of the Municipal Code soon. Chicago's amendments to the National Electrical Code are already available in the online version of the Municipal Code, Title 14E. For frequent users of the Chicago Electrical Code, a copy of the 2016 National Electrical Code incorporating all of Chicago's amendments may be purchased from NFPA.