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  2. Skyscraper design and construction - Wikipedia

    en.wikipedia.org/wiki/Skyscraper_design_and...

    If the service core (which contains the elevator shafts) becomes too big, it can reduce the profitability of the building. Architects must therefore balance the value gained by adding height against the value lost to the expanding service core. [10] Many tall buildings use elevators in a non-standard configuration to reduce their footprint.

  3. Double-deck elevator - Wikipedia

    en.wikipedia.org/wiki/Double-deck_elevator

    Double-deck elevators at Midland Square, Nagoya, Japan The Bailong Elevator Symbol seen within the upper cabin of the elevator in Roppongi Hills Mori Tower Double lobby ("lower lobby" and "upper lobby") to enter the elevators in Roppongi Hills Mori Tower. A double-deck elevator or double-deck lift is an elevator where one cab is stacked on top ...

  4. Elevator - Wikipedia

    en.wikipedia.org/wiki/Elevator

    Some types of residential elevators do not use a traditional elevator shaft, machine room, and elevator hoistway. This allows an elevator to be installed where a traditional elevator may not fit, and simplifies installation. The ASME board first approved machine-room-less systems in a revision of the ASME A17.1 in 2007.

  5. Inclined elevator - Wikipedia

    en.wikipedia.org/wiki/Inclined_elevator

    Inclined elevator design is based on the same basic technology as conventional, vertical elevator. [6] In general standard elevator equipment can be adapted for systems with an inclines up 10 ° from vertical, while an incline with more than 20° from vertical will require some additional adaptation.

  6. National Lift Tower - Wikipedia

    en.wikipedia.org/wiki/National_Lift_Tower

    There are six lift shafts of varying heights and speeds, including a high-speed shaft with a travel of 100 metres (328 ft 1 in) and a theoretical maximum speed of 10 m/s (33 ft/s). The tower's renovation was officially completed in July 2010. [5]

  7. Paternoster lift - Wikipedia

    en.wikipedia.org/wiki/Paternoster_lift

    A paternoster in Prague Paternoster elevator in The Hague, when it was still in operation. A paternoster (/ ˌ p eɪ t ər ˈ n ɒ s t ər /, / ˌ p ɑː-/, or / ˌ p æ-/) or paternoster lift is a passenger elevator which consists of a chain of open compartments (each usually designed for two people) that move slowly in a loop up and down inside a building without stopping.

  8. Citigroup Center - Wikipedia

    en.wikipedia.org/wiki/Citigroup_Center

    Each of the elevators consists of two standard elevator cabs that operate simultaneously in one shaft. [198] [199] The elevators cost 25 percent more than standard elevators but allowed for a 24 percent reduction in the floor area taken up by elevators, [202] as twenty-six single-deck elevator shafts would have been required otherwise. [189]

  9. Shaft (mechanical engineering) - Wikipedia

    en.wikipedia.org/wiki/Shaft_(mechanical_engineering)

    Toggle Standard sizes subsection. 3.1 Machine shafts. 3.2 Transmission shafts. ... The standard lengths of the shafts are 5 m, 6 m and 7 m. Usually 1m to 5m is used.