13-76-105 Atriums.

   (a)   “Atrium” means an opening connecting two or more stories, other than enclosed stairways, elevators, hoistways, escalators, plumbing, electrical, air- conditioning, or other equipment shafts which are closed at the top. Stories do not include balconies within assembly occupancies or mezzanines complying with Section 13-48-020(d)(2).

   (b)   Any new building containing an atrium shall comply with all the requirements of this chapter.

   (c)   Atriums are permitted in buildings of Type I construction.

   (d)   Atriums shall be provided with a smoke control system meeting the following requirements:

      (1)   If the volume of the atrium does not exceed 600,000 cubic feet, the exhaust system shall provide not less than 6 air changes per hour.

      (2)   If the volume of the atrium exceeds 600,000 cubic feet, the exhaust system shall provide not less than 4 air changes per hour.

      (3)   Supply openings shall be sized for at least one-half the exhaust capacity.

      (4)   Exhaust shall be at the top of the atrium and intake at the bottom.

      (5)   Smoke detectors shall be provided at the ceiling of the atrium and at the perimeter of the atrium on each floor within 15 feet.

      (6)   The smoke control system shall have completely automatic control. The automatic-control sequences shall be initiated from the activation of a sprinkler system, smoke detectors in the atrium area, or manual control at the fire command panel.

   (e)   Plans shall indicate the total area and total volume open to the atrium, and shall specify the dimensions, capacity, and direction of flow for all supply and exhaust openings.

(Added Coun. J. 9-6-17, p. 55278, Art. VII, § 10)

13-76-110 Plans submitted for approval to include drawings.

   All plans submitted for approval for a permit as required by Chapter 13-40 of the Municipal Code of Chicago shall include specific drawings showing compliance with this chapter.

(Prior code § 62.1-11)

13-76-120 Fire protection system – Annual test required.

   The entire fire protection system as required by this chapter shall be tested on an annual basis by an individual or organization approved by the fire commissioner. Reports of these tests shall be submitted and approved by the fire commissioner.

(Prior code § 62.1-12; Amend Coun. J. 5-18-16, p. 24131, § 37; Amend Coun. J. 9-6-17, p. 55278, Art. VII, § 11)

13-76-130 Fire department emergency access elevator.

   At least one elevator is to be provided for fire department emergency access to all floors of a building. All elevators shall be equipped with firefighters' emergency operation control in accordance with Section 14C-4-3.11.3.

(Prior code § 62.1-13; Amend Coun. J. 10-17-09, p. 72419, § 13; Amend Coun. J. 3-28-18, p. 74459, Art. II, § 10)

13-76-140 Reserved.

Editor's note – Coun. J. 9-6-17, p. 55278, Art. VII, § 12, repealed § 13-76-140, which pertained to product standards.

13-76-150 Penalty for violation.

   Any person who violates this chapter shall be punished by a fine in accordance with Section 13-12-040 for each offense. A separate and distinct offense shall be regarded as committed each day on which such person shall continue or permit any such violation. In addition to such fines and penalties any license or permit issued to such violator or offending party by the City of Chicago may be revoked. Notwithstanding any fines imposed the city shall have the right to seek mandatory compliance with the provisions of this chapter or in the alternative to seek demolition of a building not in compliance with the provisions of this chapter.

(Prior code § 62.1-15; Amend Coun. J. 11-21-17, p. 61858, Art. VIII, § 17)

13-76-160 Severability.

   In the event any provision or application of this chapter is held to be invalid, it is the legislative intent that the other provisions and applications hereof shall not be affected.

(Prior code § 62.1-16)