WAC 296-96-02475   What are the requirements for sprinklers in hoistways and machine rooms?  (1) The machine room sprinkler piping must terminate in the machine room. The sprinkler piping must not run through the machine room to other spaces.

     (2) The hoistway must not be used to supply sprinkler piping to more than one floor.

     (3) The pit will be considered as a floor level.

     (4) Sprinkler heads at the top of the shaft must terminate in the shaft. The sprinkler must not run through the hoistway to other spaces. ("Other spaces" includes the machine room.)

     (5) All risers and returns must be located outside of the hoistway and machine room.

     (6) See requirements in ASME A17.1.

     (7) If a sprinkler system is added to an existing installation, the conveyance will be required to:

     (a) Install shunt trip per WAC 296-96-02480.

     (b) If the conveyance was permitted to install on or after 1/1/1989 (A17.1-1987 code), then the fire service must operate to the code enforced per the original installation permit. A controller alteration will require fire and sprinkler system installation to the current adopted code.

     (c) If the permit is prior to 12/31/1988, the fire service shall operate per current adopted standard in effect at the time of the alteration permit. (See A17.1-2.27.3.)



[Statutory Authority: Chapter 70.87 RCW. 08-23-085, § 296-96-02475, filed 11/18/08, effective 12/19/08; 07-24-041, § 296-96-02475, filed 11/30/07, effective 1/1/08.]