18-29-1106.4 Vertical walls.

Skip to code content (skip section selection)

Compare to:

Chicago Overview

Prior Chicago Building Code

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

DIVISION 6 - TYPES OF CONSTRUCTION

DIVISION 7 - FIRE-RESISTANCE-RATED CONSTRUCTION

DIVISION 8 - INTERIOR FINISHES (NA)

DIVISION 9 - FIRE PROTECTION SYSTEMS

DIVISION 10 - MEANS OF EGRESS

DIVISION 11 - ACCESSIBILITY

DIVISION 12 - INTERIOR ENVIRONMENT

DIVISION 13 - ENERGY EFFICIENCY AND ENVIRONMENTAL PROTECTION

DIVISION 14 - EXTERIOR WALLS (NA)

DIVISION 15 - ROOF ASSEMBLIES AND ROOFTOP STRUCTURES (NA)

DIVISION 16 - STRUCTURAL DESIGN

DIVISION 17 - STRUCTURAL TESTS AND SPECIAL INSPECTIONS

DIVISION 18 - SOILS AND FOUNDATIONS

DIVISION 19 - CONCRETE

DIVISION 20 - ALUMINUM (NA)

DIVISION 21 - MASONRY

DIVISION 22 - STEEL

DIVISION 23 - WOOD

DIVISION 24 - GLASS AND GLAZING (NA)

DIVISION 25 - GYPSUM BOARD AND PLASTER (NA)

DIVISION 26 - PLASTIC (NA)

DIVISION 27 - ELECTRICAL

DIVISION 28 - MECHANICAL SYSTEMS

DIVISION 29 - PLUMBING SYSTEMS

DIVISION 30 - ELEVATORS AND CONVEYING SYSTEMS

DIVISION 31 - SPECIAL CONSTRUCTION (NA)

DIVISION 32 - ENCROACHMENTS INTO THE PUBLIC RIGHT-OF-WAY

DIVISION 33 - SAFEGUARDS DURING CONSTRUCTION

DIVISION 34 - EXISTING STRUCTURES

DIVISION 35 - REFERENCED STANDARDS

You are viewing an archived code

18-29-1106.4 Vertical walls.

In sizing roof drains and storm drainage piping, 25 percent of the area of any vertical wall that diverts rainwater to the roof shall be added to the projected roof area for inclusion in calculating the required size of vertical conductors, leaders and horizontal storm drainage piping.

Disclaimer: This Code of Ordinances and/or any other documents that appear on this site may not reflect the most current legislation adopted by the Municipality. American Legal Publishing provides these documents for informational purposes only. These documents should not be relied upon as the definitive authority for local legislation. Additionally, the formatting and pagination of the posted documents varies from the formatting and pagination of the official copy. The official printed copy of a Code of Ordinances should be consulted prior to any action being taken. For further information regarding the official version of any of this Code of Ordinances or other documents posted on this site, please contact the Municipality directly or contact American Legal Publishing toll-free at 800-445-5588.

Hosted by: American Legal Publishing

Back to Code Library