|Updated Mechanical Code in Effect July 28, 2004|
The new Mechanical Code, which can be found in the Chicago Building Code, is in effect as of July 28, 2004. This should be used exclusively by designers and can be found in References and Ordinances: Mechanical Code, Chapter 18-28. Order your copy before November 15, and receive the current $65 price. After September 30th the price goes up to $75. Call 312.644.7800.