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Re: Suspension of Light Fixture

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Not to get off the subject, but, we normally use Unistrut members. This way, they can adjust the heights.
Farzin S. Rahbar, SE
David C. Weiss Structural Engineer & Associates, Inc.
(818) 227-8040 Ex. 13 Fax: (818) 227-8041
In a message dated 11/2/2009 11:32:54 A.M. Pacific Standard Time, lhauer(--nospam--at) writes:
To All,
I am designing the overhead support of a surgical light in an existing hospital, (California OSHPD). For vertical loads I would like to use a HSS vertical attached to a pair of horizontal angles. Loads are light and I would like to use 1- 5/8" diam. thru-bolt thru the HSS and "L" each side, but I somehow remember that someplace, (AISC?), you cannot use a one machine bolt connection. Any adivce as to whether this is true?
Thanks in Advance,
Larry Hauer S.E.

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