410.7 Automatic sprinkler system.
BC § 410.7
An automatic sprinkler system in accordance with Section 903.3.1.1 shall be provided in the following areas when located within a place of assembly: 1. Stages including those with stage height greater than 40 feet (12 192 mm); 2. Technical production areas over the stage including under the roof, above and below the gridiron, catwalks and galleries; 3. Dressing rooms, performer lounges, shops and storerooms accessory to stages or platforms, with live entertainment; 4. Platforms with live entertainment; 5. Cabarets; or 6. When openings are provided in the stage floor for stage lifts, trap doors or stairs, sprinklers spaced 5 feet (1524 mm) on centers shall be provided around the opening at the ceiling below the stage, and baffles at least 12 inches (305 mm) in depth shall be installed around the perimeter of the opening. Exceptions: 1. Sprinklers are not required under stages or platforms less than 4 feet (1219 mm) in clear height that are utilized exclusively for storage of tables and chairs, provided the concealed space is separated from the adjacent spaces by Type X gypsum board not less than 5/8 inch (15.9 mm) in thickness.
2.Sprinklers are not required within portable orchestra enclosures on stages.
