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Re: Swinging Chandelier?

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     Assuming that it hangs from the ceiling by a chain, you could weld the
links to make it a rigid chain but would have to remember "that a chain is
only as strong as.........."

-----Original Message-----
From: William Keil <WJK(--nospam--at)>
To: 'seaint(--nospam--at)' <seaint(--nospam--at)>
Date: Tuesday, November 02, 1999 6:50 AM
Subject: RE: Swinging Chandelier?

><  I have a client who wants to hang a very expensive chandelier in a
>tower  above the foyer of a clubhouse.  I suggested installing guy wires or
>thin cables at four points on the piece to stabilize it during an
>earthquake. >
>I agree.  Nylon cable (looks similar to lines used for fishing rods) will
>likely be more transparent than wires.  Anything will look terrible if
>somebody doesn't go up and clean the cables.
><  I am in Seismic Zone 4 and within 15 km of the San Andreas fault.
>The chandelier designer  would rather not install the guy wires as it may
>detract from the appearance.  >
>Has the designer ever experienced an earthquake?  Is the designer aware of
>the devastation an earthquake can cause?  Stand your ground.  If all else
>fails have the designer find another professional to hang the chandelier
>get it approved by the code officials.
><  Furthermore, if it is not free to move as a one-piece sculpture it may
>clack against itself, break apart, and fall on the folks below.  >
>IMO, this will happen even if you only have one support.  Providing the
>cables gives the system redundancy if the main support beam fails during an
>earthquake.  These cables might offer the precious seconds needed so the
>occupants can move to a relatively more safe location inside the clubhouse.
>William J. Keil, P.E.