14A-4-411.3.1 Format and Required Information
Construction documents must be signed and sealed by a registered design professional or Illinois-licensed professional engineer acting within the limitations of the applicable licensing law. Construction documents must be drawn to a legible scale and accurately dimensioned. Construction documents must be submitted in an electronic format where required by the building official. Construction documents must be of sufficient clarity to indicate the location, nature, and extent of the work proposed and show in detail that it will conform to the provisions of the Chicago Construction Codes, the Chicago Zoning Ordinance, and other relevant laws to the satisfaction of the building official. Every page of construction documents must indicate the property address.
Exception: Construction documents for installations which involve the design of or changes in the structural system or means of egress or which materially affect the structural loading must be signed and sealed by a registered design professional.