Rain loads.
Municipal Code of Chicago § 14B-16-1611
in effect14B-16-1611 Rain loads.
The provisions of Section 1611 of IBC are adopted by reference with the following modifications:
1. Revise the last sentence of Section 1611.1 to read:
"The design rainfall shall be based on a 100-year hourly rainfall rate of 4.03 inches (102 mm)."
2. Delete figures accompanying Section 1611.1.
3. Delete Equation 16-35.
(Amend Coun. J. 2-19-20, p. 14473, Art. II, § 75)
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2666488Fetched: 10/24/2026
