PDFWAC 296-96-02425
Shut-off valves.
Two shut-off valves may be required.
(1) ASME requires that a shut-off valve be installed in the machine room.
(2) When the pit is lower than the machine, a shut-off valve shall be installed in the pit.
(3) A separate shut-off valve is not required in the pit for hydraulic elevators equipped with a safety/rupture valve that rotates no more than 180 degrees to stop the flow of hydraulic fluid and has a safety shut-off handle capable of being grasped.
EXCEPTION: | Limited use/limited application (LULA), special purpose and residential elevators are exempt from this section. |
[Statutory Authority: Chapter 70.87 RCW. WSR 18-18-070, § 296-96-02425, filed 8/31/18, effective 10/1/18; WSR 07-24-041, § 296-96-02425, filed 11/30/07, effective 1/1/08.]