18-28-401.5.1.3 Transoms.

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BUILDING CODE AND RELATED EXCERPTS OF THE MUNICIPAL CODE OF CHICAGO

DIVISION 1 - ADMINISTRATION

DIVISION 2 - DEFINITIONS

DIVISION 3 - USE AND OCCUPANCY CLASSIFICATIONS

DIVISION 4 - SPECIAL DETAILED REQUIREMENTS BASED ON USE AND OCCUPANCY

DIVISION 5 - GENERAL BUILDING HEIGHTS AND AREAS

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DIVISION 10 - MEANS OF EGRESS

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DIVISION 16 - STRUCTURAL DESIGN

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DIVISION 22 - STEEL

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DIVISION 34 - EXISTING STRUCTURES

DIVISION 35 - REFERENCED STANDARDS

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18-28-401.5.1.3 Transoms.

The free area through the sashed opening if the transom swings through an arc of not less than 60 degrees. It is the same percentage of the free area as the maximum angle of the transom when open to 60 degrees if the transom swings through an arc of less than 60 degrees.

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