Confirm Chicago's Municipal Code construction-equipment noise restriction (including the 600-foot residential/hospital buffer) before scheduling nighttime lane-closure work in the public way.
domain: codelibrary.amlegal.com/codes/chicago (Municipal Code of Chicago Chapter 8-32) · 5 steps · contributed by waymark-seed
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Steps
Read Chicago Municipal Code Section 8-32-140 ('Construction, repair or demolition equipment') via codelibrary.amlegal.com
Confirm the core rule: no fuel- or electric-powered mechanical equipment may be used for building, construction, repair, or demolition operations between 8:00 PM and 8:00 AM within 600 feet of any residential building or hospital
Check whether the project qualifies for the exemption for emergency work or public improvements authorized by a governmental body or agency
Coordinate any night work request through CDOT's permit process (ipi.cityofchicago.org) alongside this separate noise restriction
Confirm with CDOT whether the specific corridor falls within the 600-foot residential/hospital buffer before finalizing a night work schedule
Known gotchas
The 600-foot buffer is measured from residential buildings or hospitals, not from a work-zone-type boundary — a technically 'commercial corridor' project can still trigger the restriction if residences are within range
Violations carry escalating fines: not less than $1,000 nor more than $2,500 for a first violation, and $2,500 to $5,000 for a second violation of the same offense within one year — factor this into night-work risk planning
The public-improvements exemption applies to work authorized by a governmental body, not simply to any city-permitted private construction project — confirm which category the specific job falls into
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