Codes and Ordinances

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Beginning June 17, 2008, the City of Crystal Lake began applying the following building codes. Click onBooks the links below to view the City's amendments.

Copies of the International Building Codes, Illinois Plumbing Code, National Electric Code, and the Illinois Accessibility Code are available for review in the Community Development Department at the Municipal Complex. Copies are also available for viewing at the Crystal Lake Public Library. The International Codes are available for purchase from the International Code Council.

General Structural Design Criteria for the City of Crystal Lake
Ground Snow Load: 30
Frost Depth-: 42 inches
Wind Load: 90 mph
Wind Exposure: B (Some areas C)
Seismic: B
Weathering: Severe
Winter design temperature: 6500
Air freezing index: 1500-2000



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