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    Yi Li

    I guess it depends on the building height and number of floors and the speed you are expecting ? Is it going to be freight or passenger elevator ?

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    David Kaplan

    Natalia,

    I agree with Yi Li.  I would say that the building height/# of floors and speed are really the determining factors here.  In a hospital, they might want a speedier elevator (think: a guy is coding on a stretcher and they need to get to another floor ASAP).  Also, if the hospital is more than 4 stories tall (and I might even say 3), a hydraulic simply wouldn't work in that case.  In both those conditions, the speedier geared or gearless would be better.

    I might be over-generalizing here, but hydraulics really are for shorter buildings where speediness is not necessary.  Think a small office building.  

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    Natalia Cebollero Venegas

    Thanks to both! I agree, I would think speedier the better. I am also overthinking LOL, what if it needs to carry heavy equipment, the building is not that high, but required speed... Then I guess Geared traction elevator?

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    David Kaplan

    Natalia,

    I would say that in any instance where "speed" is required, you'd stay away from hydraulics.  Hydraulics are not speedy elevators.  I'm sure these days they can get up to certain speeds that they probably couldn't before when they were first developed, but if you've ever been inside one, they are not fast.  

    With respect to heavy equipment, really any elevator type these days can handle that.  

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