Stages, platforms and technical production areas.
Municipal Code of Chicago § 14B-4-410
in effect14B-4-410 Stages, platforms and technical production areas.
The provisions of Section 410 of IBC are adopted by reference with the following modifications:
1. Revise item 3 in the exception to Section 410.2.1 by deleting "approved."
2. Revise Section 410.2.2, including its exception, to read:
"410.2.2 Technical production areas: galleries, gridirons and catwalks.
Beams designed only for the attachment of portable or fixed theater equipment, gridirons, galleries and catwalks shall be constructed of noncombustible materials and a fire-resistance rating shall not be required. These areas shall not be considered to be floors, stories, mezzanines or levels in applying this code."
3. Revise Section 410.2.5 to read:
"410.2.5 Proscenium curtain.
Where a proscenium wall is required to have a fire-resistance rating, the stage opening shall be provided with a fire curtain complying with NFPA 80 or horizontal sliding doors complying with Section 716 having a fire protection rating of not less than 1 hour."
4. Revise Section 410.2.7.1 by deleting "approved."
5. Delete Section 410.2.7.2.
Source: City of Chicago, Municipal Code of Chicago (American Legal Publishing, codelibrary.amlegal.com)URL: https://codelibrary.amlegal.com/codes/chicago/latest/chicago_il/0-0-0-2663079Fetched: 10/24/2026