715.1 General.
BC § 715.1
Joints installed in or between fire-resistance-rated walls, floor or floor/ceiling assemblies and roofs or roof/ceiling assemblies shall be protected by an approved fire-resistant joint system designed to resist the passage of fire for a time period not less than the required fire-resistance rating of the wall, floor or roof in or between which the system is installed. Fire-resistant joint systems shall be tested in accordance with Section 715.3. Exception: Fire-resistant joint systems shall not be required for joints in all of the following locations: 1. Floors within a single dwelling unit.
2.Floors where the joint is protected by a shaft enclosure in accordance with Section 713.
3.Floors within atriums where the space adjacent to the atrium is included in the volume of the atrium for smoke control purposes.
4.Joints between floors within malls and non-rated assemblies.
5.Floors and ramps within open and enclosed parking garages or structures constructed in accordance with Sections 406.5 and 406.6, respectively.
6.Mezzanine floors.
7.Walls that are permitted to have unprotected openings.
8.Roofs where openings are permitted.
9.Control joints not exceeding a maximum width of 0.625 inch (15.9 mm) and tested in accordance with ASTM E 119 or UL 263.
