18-28-502.7.5 Closed systems.

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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

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18-28-502.7.5 Closed systems.

Where closed systems for the use of hazardous materials in amounts exceeding the maximum allowable quantity per control area are designed to be opened as part of normal operations, ventilation shall be provided in accordance with Section 18-28-502.7.4.

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