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Destination dispatch is an optimization technique used for multi-elevator installations, in which groups of passengers heading to the same destinations use the same elevators, thereby reducing waiting and travel times. This contrasts with the traditional approach, in which each passenger calls for and enters the first available lift and then ...
The Smith Tower in Seattle, Washington uses traditional elevator operators, as seen in this 2008 photo.. An elevator operator (North American English), liftman (in Commonwealth English, usually lift attendant), or lift girl (in British English), is a person specifically employed to operate a manually operated elevator.
The operations manual is the documentation by which an organisation provides guidance for members and employees to perform their functions correctly and reasonably efficiently. [1] It documents the approved standard procedures for performing operations safely to produce goods and provide services. [ 2 ]
Hoist atop an elevator. A hoist is a device used for lifting or lowering a load by means of a drum or lift-wheel around which rope or chain wraps. It may be manually operated, electrically or pneumatically driven and may use chain, fiber or wire rope as its lifting medium.
Otis elevator in Glasgow, Scotland, imported from the U.S. in 1856 for Gardner's Warehouse, the oldest cast-iron fronted building in the British Isles [7] Otis founded the Otis Elevator Company in Yonkers, New York, in 1853. When he died in 1861 his sons Charles and Norton formed a partnership and continued the business.
In Brazil, it is estimated that there are approximately 300,000 elevators currently in operation. [107] [108] The world's largest market for elevators is Italy, with more than 1,629 million euros of sales and 1,224 million euros of internal market. In Spain, the elevators in maintenance invoice €4 million a year, and €250 million in repairs.
O-level maintenance is typically optimized for quick turn-around, to enhance operational availability. Maintenance at this level typically consists of immediate remove and replace (R&R) operations that replace failed (unserviceable) LRUs with spare (serviceable) assets taken from inventory. Repair-in-place (RIP) procedures are also common.
In practice, sets of elevators and a spare duplicate are required on-site for general operations. Their failure almost always stops operations. To latch around a piece of pipework a set of elevators need a precise internal diameter, with an appropriately profiled shoulder to accommodate the lower profile of a tool joint.
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