ADOPTS WITH AMENDMENTS:

International Existing Building Code 2018 (IEBC 2018)

Heads up: There are no amended sections in this chapter.

14R-4-401 The provisions of Section 401 of IEBC are adopted by reference with the following modification:

Added Coun. J. 4-10-19, p. 100029.

Repairs shall comply with the requirements of this chapter. Repairs to historic buildings need only comply with Chapter 12.

The work shall not make the building less complying than it was before the repair was undertaken.

14R-4-402 The provisions of Section 402 of IEBC are adopted by reference with the following modifications:

Added Coun. J. 4-10-19, p. 100029.

Replacement glazing in hazardous locations, as specified in Section 2406.4 of the Chicago Building Code shall comply with the safety glazing requirements of the Chicago Building Code.

Exception: Glass block walls, decorative glazing, louvered windows and jalousies repaired with like materials.

14R-4-403 The provisions of Section 403 of IEBC are adopted by reference without modification.

Added Coun. J. 4-10-19, p. 100029.

Repairs shall be done in a manner that maintains the level of fire protection provided.

14R-4-404 The provisions of Section 404 of IEBC are adopted by reference without modification.

Added Coun. J. 4-10-19, p. 100029.

Repairs shall be done in a manner that maintains the level of protection provided for the means of egress.

14R-4-405 The provisions of Section 405 of IEBC are adopted by reference with the following modifications:

Added Coun. J. 4-10-19, p. 100029.

Amended Coun. J. 2-19-20, p. 14474.

Text changes made to this section by the ordinance adopted February 19, 2020 are reflected in the first printing of the 2019 Chicago Building Rehabilitation Code.
Structural repairs shall be in compliance with this section and Section 401.2.
Repairs to damaged buildings shall comply with this section.
Unless otherwise required by this section, for damage less than substantial structural damage, the damaged elements shall be permitted to be restored to their predamage condition.
Structural components whose damage was caused by or related to snow load effects shall be repaired, replaced or altered to satisfy the requirements of Section 1608 of the Chicago Building Code.
A building assigned to Seismic Design Category D that has sustained disproportionate earthquake damage shall be subject to the requirements for buildings with substantial structural damage to vertical elements of the lateral force-resisting system.

A building that has sustained substantial structural damage to the vertical elements of its lateral force-resisting system shall be evaluated in accordance with Section 405.2.3.1, and either repaired in accordance with Section 405.2.3.2 or repaired and retrofitted in accordance with Section 405.2.3.3, depending on the results of the evaluation.

Exception:

  1. Buildings assigned to Seismic Design Category A, B or C whose substantial structural damage was not caused by earthquake need not be evaluated or retrofitted for load combinations that include earthquake effects.

The building shall be evaluated by a registered design professional, and the evaluation findings shall be submitted to the building official. The evaluation shall establish whether the damaged building, if repaired to its predamage state, would comply with the provisions of the Chicago Building Code for load combinations that include wind or earthquake effects, except that the seismic forces shall be the reduced seismic forces.
If the evaluation establishes that the building in its predamage condition complies with the provisions of Section 405.2.3.1, then the damaged elements shall be permitted to be restored to their predamage condition.
If the evaluation does not establish that the building in its predamage condition complies with the provisions of Section 405.2.3.1, then the building shall be retrofitted to comply with the provisions of this section. The wind loads for the repair and retrofit shall be those required by the building code in effect at the time of original construction, unless the damage was caused by wind, in which case the wind loads shall be in accordance with the Chicago Building Code. The seismic loads for this retrofit design shall be those required by the building code in effect at the time of original construction, but not less than the reduced seismic forces.
Gravity load-carrying components that have sustained substantial structural damage shall be rehabilitated to comply with the applicable provisions for dead and live loads in the Chicago Building Code. Snow loads shall be considered if the substantial structural damage was caused by or related to snow load effects. Undamaged gravity load-carrying components that receive dead, live or snow loads from rehabilitated components shall also be rehabilitated if required to comply with the design loads of the rehabilitation design.

Regardless of the level of damage to vertical elements of the lateral force-resisting system, if substantial structural damage to gravity load-carrying components was caused primarily by wind or seismic effects, then the building shall be evaluated in accordance with Section 405.2.3.1 and, if noncompliant, retrofitted in accordance with Section 405.2.3.3.

Exception:

  1. Buildings assigned to Seismic Design Category A, B, or C whose substantial structural damage was not caused by earthquake need not be evaluated or retrofitted for load combinations that include earthquake effects.

14R-4-406 The provisions of Section 406 of IEBC are adopted by reference without modification.

Added Coun. J. 4-10-19, p. 100029.

Existing electrical wiring and equipment undergoing repair shall be allowed to be repaired or replaced with like material.
Replacement of electrical receptacles shall comply with the applicable requirements of Section 406.4(D) of Chicago Electrical Code.
Plug fuses of the Edison-base type shall be used for replacements only where there is no evidence of over fusing or tampering per applicable requirements of Section 240.51(B) of Chicago Electrical Code.
For replacement of nongrounding-type receptacles with groundingtype receptacles and for branch circuits that do not have an equipment grounding conductor in the branch circuitry, the grounding conductor of a grounding-type receptacle outlet shall be permitted to be grounded to any accessible point on the grounding electrode system or to any accessible point on the grounding electrode conductor in accordance with Section 250.130(C) of Chicago Electrical Code.
Receptacles in patient bed locations of Group I-2 that are not "hospital grade" shall be replaced with "hospital grade" receptacles, as required by NFPA 99 and Article 517 of Chicago Electrical Code.
Frames of electric ranges, wall-mounted ovens, counter-mounted cooking units, clothes dryers and outlet or junction boxes that are part of the existing branch circuit for these appliances shall be permitted to be grounded to the grounded circuit conductor in accordance with Section 250.140 of Chicago Electrical Code.

14R-4-407 The provisions of Section 407 of IEBC are adopted by reference without modification.

Added Coun. J. 4-10-19, p. 100029.

Existing mechanical systems undergoing repair shall not make the building less complying than it was before the damaged occurred.

A mechanical draft system shall be permitted to be used with manually fired appliances and fireplaces where such a system complies with all of the following requirements:

  1. The mechanical draft device shall be listed and installed in accordance with the manufacturer's installation instructions.
  2. A device shall be installed that produces visible and audible warning upon failure of the mechanical draft device or loss of electrical power at any time that the mechanical draft device is turned on. This device shall be equipped with a battery backup if it receives power from the building wiring.
  3. A smoke detector shall be installed in the room with the appliance or fireplace. This device shall be equipped with a battery backup if it receives power from the building wiring.

14R-4-408 The provisions of Section 408 of IEBC are adopted by reference without modification.

Added Coun. J. 4-10-19, p. 100029.

Plumbing materials and supplies shall not be used for repairs that are prohibited in the Chicago Plumbing Code.

The maximum water consumption flow rates and quantities for all replaced water closets shall be 1.6 gallons (6 L) per flushing cycle.

Exception: Blowout-design water closets [3.5 gallons (13 L) per flushing cycle].

14R-4-409 The following language shall be inserted as a new Section 409:

Added Coun. J. 4-10-19, p. 100029.

Amended Coun. J. 2-19-20, p. 14474.

Text changes made to this section by the ordinance adopted February 19, 2020 are reflected in the first printing of the 2019 Chicago Building Rehabilitation Code.
Existing means of providing natural light and ventilation in occupancies where provisions for natural light and ventilation are required by the Chicago Building Code undergoing repair shall not make the building less complying than it was before the damage occurred.
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