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Washington Administrative Code (Last Updated: November 23, 2016) |
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Title 296. Labor and Industries, Department of |
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Chapter 296-96. Safety regulations and fees for all elevators, dumbwaiters, escalators and other conveyances. |
Section 296-96-13161. What requirements apply to car controls and safety devices?
Latest version.
- (1) Car controls may be automatic push button, constant pressure push button or momentary push button types. Hand rope and car switch controls must not be used.(2) If a car is not equipped with constant pressure push button controls, then it must be equipped with a manually operated emergency stop switch that is clearly marked "emergency stop."(3) Terminal limiting devices must operate independently of car controls and must automatically stop the car at the top and bottom terminal landings.(4) All winding drum machine type elevators must be equipped with top and bottom final limit switches.(5) A manual-reset slack rope device that breaks the circuit to the drive motor and brake must be installed on all winding drum type machines.(6) All electric manlifts lifts must be equipped with an overspeed governor that must not exceed one hundred seventy-five feet per minute and must deenergize the brake control and motor drive circuits simultaneously when the car safety mechanism is activated.(7) Car speeds for electric lifts must not exceed one hundred twenty-five feet per minute.(8) Elevator controls and disconnects must be accessible and marked.