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All additions to, alterations and renovations of a mechanical system shall conform to the requirements for a new mechanical system without requiring the existing mechanical system to comply in its entirety with all of the requirements of this chapter. Additions, alterations or repairs shall not cause an existing mechanical system to become unsafe, hazardous or overloaded.
It shall be unlawful to change the occupancy of any structure if that change will subject the structure to any provision of the building code applicable to the new occupancy without approval by the Building Commissioner. The Building Commissioner shall certify that such structure meets the intent of the provisions of law governing building construction for the proposed new occupancy and that such change of occupancy does not result in any hazard to public health, safety or welfare.
(Amend Coun. J. 11-13-07, p. 14999, Art. II, § 1)
Except as determined by Section 18-28-102.2, Existing Installations, mechanical systems that are a part of buildings or structures moved into or within the corporate limits of the City of Chicago shall comply with the provisions of the building code for new installations.
The codes and standards referenced in this chapter shall be those that are listed in Chapter 18-36, Reference Standards. Such codes and standards shall be considered as part of the requirements of this chapter to the prescribed extent of each such reference. Where differences occur between provisions of this chapter and the referenced standards, the provisions of this chapter shall apply.
Requirements necessary for the strength, stability or proper operation of an existing or proposed mechanical system, or for public safety, health and general welfare, not specifically covered by the building code, shall be determined by the Building Commissioner.
(Amend Coun. J. 11-13-07, p. 14999, Art. II, § 1)
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