PDFWAC 51-54A-0909
Section 909—Smoke control systems.
909.21.12 Hoistway venting. Hoistway venting need not be provided for pressurized elevator shafts.
909.21.13 Machine rooms. Elevator machine rooms shall be pressurized in accordance with this section unless separated from the hoistway shaft by construction in accordance with Section 707 of the International Building Code.
[Statutory Authority: RCW 19.27.031 and 19.27.074. WSR 22-13-093, 23-12-107, and 23-20-027, § 51-54A-0909, filed 6/14/22, 6/7/23, and 9/25/23, effective 3/15/24; WSR 21-04-003, § 51-54A-0909, filed 1/20/21, effective 2/20/21; WSR 20-01-162, § 51-54A-0909, filed 12/18/19, effective 7/1/20; WSR 16-03-055, § 51-54A-0909, filed 1/16/16, effective 7/1/16. Statutory Authority: RCW 19.27A.031, 19.27.074 and chapters 19.27 and 34.05 RCW. WSR 13-04-063, § 51-54A-0909, filed 2/1/13, effective 7/1/13.]