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Re: elevator hoist beam

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In cable elevators, in part to control the "bounce" or rebound sensation.

Mark D. Anderson,  PE


----- Original Message -----
From: "Foy, Warren" <Warren.Foy(--nospam--at)mhgrp.com>
To: <seaint(--nospam--at)seaint.org>
Sent: Thursday, January 31, 2002 9:51 AM
Subject: RE: elevator hoist beam


> Why would the deflection criteria for an elevator support beam be so
strict?
>
> -----Original Message-----
> From: Gerard Madden [mailto:gmadden(--nospam--at)duquette-eng.com]
> Sent: Thursday, January 31, 2002 1:49 PM
> To: 'seaint(--nospam--at)seaint.org'
> Subject: RE: elevator hoist beam
>
>
> You should get the cut sheet from the contractor supplying the elevator,
or
> at least ask the architect to provide you with a similar cut sheet of an
> elevator on a similar project.
>
> You need to design the support system for Elevator Machine Room Floors and
> hoist supports for Static and Dynamic Loads. Also, the deflection criteria
> is L/1666 which can govern. Try Otis Elevator/United Technologies or
another
> large elevator Contractor.
>
>
> Gerard,
> SJ, CA
>
> -----Original Message-----
> From: David Adie [mailto:dadie(--nospam--at)bjginc.com]
> Sent: Thursday, January 31, 2002 6:40 AM
> To: 'seaint(--nospam--at)seaint.org'
> Subject: elevator hoist beam
>
>
> does anyone know of a good design reference for elevator hoist beams?
>
> my superior told me to load a simple span beam with a 5 kip point load
> applied at the middle.  is that about it or is there more involved?
>
> tia
>
>
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