14R-9-903 Building elements and materials.
The provisions of Section 903 of IEBC are adopted by reference with the following modifications:
1.   Revise Section 903.1 by replacing "floor" with "story" and "floors" with "stories."
2.   Revise Section 903.2 to read:
"903.2 Fire partitions in townhouses.
Fire separation in Group R townhouses shall be in accordance with Section 903.2.1."
3.   Revise Section 903.2.1, excluding the exception, to read:
"903.2.1 Separation required.
Where the work area is in any multi-story side-by-side attached dwelling unit in Group R-3 or R-5 or any Group R-2 townhouse, walls separating the dwelling units that are not continuous from the foundation to the underside of the roof sheathing shall be improved to provide a continuous fire separation using construction materials consistent with the existing wall or complying with the requirements for new structures. Work shall be performed on the side of the dwelling unit wall that is part of the work area."
4.   Revise Section 903.3 by replacing "floor" with "story" and "floor of exit discharge" with "level of exit discharge."
(Amend Coun. J. 2-19-20, p. 14473, Art. IV, § 18)