WAC 296-56-60161   Car controls and safety devices.  (1) Car controls may be automatic pushbutton, constant pressure pushbutton or momentary pushbutton types. Hand rope and car switch controls shall not be used.

     (2) Manually operated emergency stop switches shall be installed in all cars not equipped with constant pressure pushbutton controls. The switch shall be clearly marked "emergency stop."

     (3) Terminal limiting devices shall operate independently of the car controls and automatically stop the car at the top and bottom terminal landings.

     (4) All winding drum machine type elevators shall be equipped with top and bottom final limit switches.

     (5) A slack rope device of manual reset design shall be required on all winding drum type machines. The device shall be designed to deenergize the circuit to the drive motor and brake.

     (6) All installations shall be equipped with an overspeed governor. This governor shall be set not to exceed one hundred seventy-five feet per minute and shall be designed to de-energize the brake control and motor drive circuits simultaneously with the activation of the car safety mechanism. Car speeds for these types of installations shall not exceed a speed of one hundred twenty-five feet per minute.



[Statutory Authority: RCW 49.17.040 and 49.17.050. 86-03-064 (Order 86-02), § 296-56-60161, filed 1/17/86; 85-01-022 (Order 84-24), § 296-56-60161, filed 12/11/84.]