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RE: Design preference for non-bearing wall connectors

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I would agree...shot-pins are the way to go.  That is essentially the
detail we use when attaching non-bearing metal stud walls to the
underside of steel beams.

Doug Mayer, SE
Structural Engineer
 
TaylorTeter
Partnership
 
7535 North Palm Ave., Suite 201
Fresno, CA 93711
 
(559) 437-0887 Ph.
(559) 438-7554 Fax
doug.mayer(--nospam--at)taylorteter.com
 
 
-----Original Message-----
From: David Topete [mailto:dtopete(--nospam--at)gfdseng.com] 
Sent: Friday, July 20, 2007 9:03 AM
To: seaint(--nospam--at)seaint.org
Subject: RE: Design preference for non-bearing wall connectors

My quick opinion, FWIW...

A #10 screw into the flange of a W24 seems like a difficult task with
the
thinnest flange thickness being 1/2".  I would say the powder pins are
the
way to go.

David A. Topete, SE

-----Original Message-----
From: Donald Bruckman [mailto:bruckmandesign(--nospam--at)verizon.net] 
Sent: Friday, July 20, 2007 8:56 AM
To: seaint(--nospam--at)seaint.org
Subject: Design preference for non-bearing wall connectors



I have a non-bearing metal stud wall that is to be attached to the
underside
of a W24.   The detail was missed by the SE on the permit set and so I
sketched up a detail of a slip track with shot pins into the bottom
flange
to connect the track.  The SE revised the detail to self drilling
screws,
claiming it was a "better" connection.  (I'm not quite sure which
element
became "better"), but...nevertheless, it begs this question:

Is there any consensus here about whether either version is a "better"
or
"worse" version of this detail?  Does the shot pin mess with the flange
integrity in any way that could be considered more deleterious than an
S-D
screw?   (The exact detail was 6" metal stud x 18' high, GWB both sides.
I
guessed 145 shots @ 16"oc, his came back #10 SD screws at 8"oc.).  


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