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In all zoned districts throughout the city eaves, cornices, ornamental projections, chimneys, buttresses, pilasters, and similar projections, shall not project beyond the main building wall more than one-third of the distance to the interior lot line.
(Prior code § 78.1-9)
When authorized by the building commissioner, any repairs, alterations and additions necessary for the preservation, restoration, rehabilitation or continued use of a building or structure may be made without conforming to all of the requirements of this Code when:
(a) The building or structure has been recommended for designation by the Commission of Chicago Historical and Architectural Landmarks as designated by the city council as a “Chicago Landmark” having special historical or architectural significance;
(b) Any unsafe conditions are corrected in accordance with approved plans. Unsafe conditions include those which in relation to the existing use constitute a hazard to safety, health, or public welfare, either within the building itself or to adjacent buildings, by reason of inadequate maintenance, dilapidation, obsolescence, fire hazard, disaster damage, or abandonment;
(c) The restored building or structure will be no more hazardous based on life safety, fire safety and sanitation than the existing building.
(Prior code § 78.1-10; Amend Coun. J. 9-13-89, p. 4604; Amend Coun. J. 3-5-03, p. 104990, § 40; Amend Coun. J. 11-13-07, p. 14999, Art. II, § 1)
The commission on Chicago historical and architectural Landmarks shall examine and advise the building commissioner whether the proposed work meets with its approval for all applications for building permits for alterations, additions, repairs or demolition of any building or structure designated as a “Chicago Landmark” or located within a Chicago landmark district. Such examination shall be made after application for the permit is filed but before review by the department of buildings. This examination shall be based on the appropriateness of the proposed work in relation to the spirit of the landmarks ordinance and consistent with the most recent guidelines available from the commission on Chicago historical and architectural landmarks. In cases where the proposed work would remedy conditions imminently dangerous to life, health, and property, the commission shall approve the permit application for emergency repairs not withstanding other considerations relating to its status as a “Chicago Landmark”.
(Prior code § 78.1-11; Amend Coun. J. 9-13-89, p. 4604; Amend Coun. J. 3-5-03, p. 104990, § 40; Amend Coun. J. 11-13-07, p. 14999, Art. II, § 1)
When the occupancy of an existing building or portion thereof is so changed as to transfer it from one occupancy classification to another, the provisions of Sections 13-200-130 to 13-200-200 inclusive shall apply.
(Prior code § 78.1-12)
When the occupancy of an existing building is changed in part the occupancy separations shall be provided in accordance with Table 13-56-280. The provisions of Sections 13-200-120 through and including 13-200-200 shall not apply to those portions of the building that have no change of occupancy.
(Prior code § 78.1-13)
No change of occupancy shall impose structural loads, either vertical or horizontal, which would cause the existing building to be subjected to stresses exceeding those permitted by this Code for new construction. Any increase in floor or roof load shall be investigated to determine the adequacy of the existing structural system to support the increased loads. If the existing system is found to be inadequate, it shall be modified to support the increased loads.
(Prior code § 78.1-14)
The change of a commercial unit (storefront) to a residential use, if allowed by zoning and where the primary use of the building is residential, shall require compliance with the provisions as set forth in Sections 13-200-210 through and including 13-200-240, “Increase in Number of Dwelling Units”, but need not comply with other change of occupancy requirements of this section.
(Prior code § 78.1-15)
When the occupancy of an existing building is changed from any occupancy classification to residential, the following requirements shall be met:
(b) Boiler rooms and heating plants shall be enclosed, in accordance with Section 15-8-190.
(c) Exit signs and lights shall be provided, in accordance with Section 13-160-700.
(d) Means of egress lighting shall be provided, in accordance with Section 13-160-660.
(e) Fire alarm and extinguishing systems shall be provided, in accordance with Chapter 15-16.
(f) Height and area limitations shall be in accordance with Chapter 13-48 for all additions. If the existing building already exceeds the height or area limitations for the new use, it may be changed to residential occupancy but it shall not be increased in height or area. If the height of the existing building exceeds 80 feet, the existing building shall comply with the High-Rise Code, Chapter 13-76.
(g) Pipe shafts and ducts shall be enclosed, in accordance with Section 15-8-160.
(h) All residential buildings shall be provided with smoke alarms, as required for new construction in Chapter 13-64.
(i) All residential buildings over four stories in height shall be provided with self-closing devices on doors opening upon public corridors or stairs.
(Prior code § 78.1-16; Amend Coun. J. 6-14-95, p. 2841; Amend Coun. J. 9-6-17, p. 55278, Art. VI, § 32)
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