Stationary engineers.
Municipal Code of Chicago § 18-28-1004.8
in effect18-28-1004.8 Stationary engineers.
The following regulated devices subject to the provisions of this chapter shall only be used, managed or operated by a stationary engineer who is licensed in accordance with Chapter 4-344:
1. Steam engines and steam boilers with an output capacity in excess of 50 boiler horsepower or intended for operation at a pressure in excess of 10 psig.
2. Hot water boilers intended for operation at a pressure in excess of 160 psi or temperatures in excess of 250°F (121°C).
(Amend Coun. J. 9-14-21, p. 35949, Art. X, § 4)
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2688605Fetched: 10/24/2026