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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 296-96-23446. What requirements apply to tandem operations?
Latest version.
- Tandem operation escalators must be electrically interlocked where traffic flow is such that bunching will occur if the escalator is carrying passengers away from the intermediate landing stops.The electrical interlocks must stop the escalator carrying passengers into the common intermediate landing if the escalator carrying passengers away from the landing stops. These escalators must also be electrically interlocked to assure that they run in the same direction.