175.34 SECTION 713.3.1 ADDITION - ONE-HOUR SHAFT ENCLOSURES.
Section 713.3.1, One-Hour Shaft Enclosures, of the IBC, is hereby established by adding the following section:
Section 713.3.1 One-hour Shaft Enclosures Shafts that are allowed to have a fire resistance rating of 1 hour or less are allowed to be constructed of materials permitted by the building type of construction.