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C » Topics » Vertical Vibration: Not more than 15 milli(g) for gearless elevators and 20 milli(g) for geared elevators in the 1-10 Hz range measured in the vertical (Z) axis measured during full length of hoistway travel in either direction while elevator is in motionThese excerpts taken from the C 10-K filed Feb 22, 2008. Vertical Vibration: Not more than 15 milli(g) for gearless elevators and 20 milli(g) for geared elevators in the 1-10 Hz range measured in the vertical (Z) axis measured during full length of hoistway travel in either direction while elevator is in motion. Airborne Noise: Measured noise level of elevator equipment and its operation shall not exceed 50 dBA in elevator lobbies and 60 dBA inside car under any condition including door operation and car ventilation exhaust blower on its highest speed. System Response Time (Elevator Nos. 1-20). Passenger waiting times in the passenger groups, as measured by registration of hall calls, shall meet the following criteria during all traffic conditions of the day other than up peak, after the equipment modernization and replacement is completed:
Vertical Vibration: Not more than 15 milli(g) for gearless elevators and 20 milli(g) for geared elevators in the 1-10 Hz range measured in the vertical (Z) axis measured during full length of hoistway travel in either direction while elevator is in motion. Airborne Noise: Measured noise level of elevator equipment and its operation shall not exceed 50 dBA in elevator lobbies and 60 dBA inside car under any condition including door operation and car ventilation exhaust blower on its highest speed. System Response Time (Elevator Nos. 1-24). Passenger waiting times in the passenger groups, as measured by registration of hall calls, shall meet the following criteria during all traffic conditions of the day other than up peak, after the equipment modernization and replacement is completed:
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