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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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CHAPTER 11-20
GAS SUPPLY AND SERVICE
Article I.  Gas Service
11-20-010   Purity of gas.
11-20-020   Apparatus for testing purity.
11-20-030   Calorific value.
11-20-040   Pressure.
11-20-050   Deposit for meter.
11-20-060   Removal of meters.
11-20-061   Termination of service – Notice required – Violation – Penalty.
11-20-065   Reserved.
Article II.  Inspection of Meters
11-20-070   Inspector's uniform or badge.
11-20-080   Standards.
11-20-090   Pressure for testing.
11-20-100   Disconnecting meters to be inspected.
11-20-110   Representative at tests.
11-20-120   Time interval between tests.
11-20-130   Accuracy of meters.
11-20-140   Testing new meters.
11-20-150   Testing meters at consumer's request.
11-20-160   Fees.
11-20-170   Inspection conclusive.
11-20-180   Tampering with meters or certificates.
Article III.  Violation – Penalty
11-20-190   Violation – Penalty.
ARTICLE I.  GAS SERVICE (11-20-010 et seq.)
11-20-010  Purity of gas.
   Any person engaged in the business of furnishing or supplying illuminating gas in the city to any consumer shall be and hereby is required to furnish and supply such gas so far free from sulphurated hydrogen that it shall not discolor a test paper imbued with acetate of lead when such test paper is exposed to a column of gas issuing at a rate of not less than five cubic feet per hour for 60 seconds under a pressure of one and five- tenths inches of water, and so that 100 cubic feet of such gas shall not contain more than 30 grains of sulphur, and so that 100 cubic feet of such gas shall not contain more than five grains of ammonia.
(Prior code § 187-1)
11-20-020  Apparatus for testing purity.
   All tests to be made for the purpose of establishing the percentage of sulphurated hydrogen in illuminating gas furnished by any person furnishing gas in the city, shall be made or conducted with the Tutweiler sulphurated hydrogen apparatus, and the sulphur in other forms shall be determined by means of the gas referees' sulphur-determining apparatus and methods ordinarily employed in the use of the same.
(Prior code § 187-2)
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