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Re: Light Fixtures -- Seismic

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Greg Varney wrote:
> 
> I tend to go by section 1630.1 which requires bracing only for
> elements only over 400 pounds.
> 
> ________________________________________________
> Greg Varney, S.E.
> KPFF Consulting Engineers
> 1201 3rd Avenue, Suite 900
> Seattle, Washington  98101
> (206) 622-5822
> email:  gregv(--nospam--at)kpff.com
>

Greg:

I don't think that 400 pounds applied to something hung from the slab.
If that unbraced, say 390 pound piece of equipment (whether it is light
fixture or ac unit), fall down on top of somebody's head. Be prepare to
defend yourself in front of the jury.

Tom Chiu, SE