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RE: elevator hoist beam

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This was on a project where I had to design the Floor (Concrete) to support
the elevator and elevator equipment.

The design criteria was from a Mechanical Code, I think ASME ... Not sure I
remember why the criteria was so strict, I only remember it because it was
so strict. My guess would be to minimize wear and tear on the moving parts
that may result from deflections.

-Gerard
SJ, CA

-----Original Message-----
From: Foy, Warren [mailto:Warren.Foy(--nospam--at)mhgrp.com]
Sent: Thursday, January 31, 2002 10:52 AM
To: 'seaint(--nospam--at)seaint.org'
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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