// CODE SNIPPET
309.3 Openings for Natural Light and Ventilation in Pre- 1958 Buildings
JUMP TO FULL CODE CHAPTER
Related Code Sections
309.3 Provisions for All Compliance Methods, Openings for Natural Light and Ventilation in Pre- 1958 Buildings
In Group R occupancies constructed before January 1, 1958, for openings in original exterior walls , the minimum dimension of yards and courts ...
2019 Chicago Building Rehabilitation Code > 3 Provisions for All Compliance Methods > 309 Residential Occupancies > 309.3 Openings for Natural Light and Ventilation in Pre- 1958 Buildings
14X-6-603 Light and Ventilation, Ventilation
of less than 70 square feet (6.5 m 2 ) does not require direct natural or mechanical ventilation if there is an unobstructed opening of not less than 32 ...
2019 Chicago Minimum Requirements for Existing Buildings > 14X-6 Light and Ventilation > 14X-6-603 Ventilation
Section 409 Repairs, Light and Ventilation
natural light and ventilation in occupancies where provisions for natural light and ventilation are required by the Chicago Building Code undergoing ...
1204.2 Interior Environment, Natural Light
Where required, natural light shall be provided in accordance with Section 1204.2.1, 1204.2.2, 1204.2.3 or 1204.2.4. Openings shall comply ...