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Re: Fastening of Steel Stud Walls to Foundations

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In a message dated 8/17/99 9:46:37 AM Pacific Daylight Time, 
huntingtondj(--nospam--at) writes:

<< Our office prefers anchor bolts (either cast-in of
 expansion), but contractors are quite vocal about preferring
 powder-actuated-fasteners (PAF's).  What are other offices specifying and is
 there a code requirement that I'm missing?

I specify Anchor bolts, but have had to use Simpson MAS anchors (see their 
steel catalog) as required by the client. Unless the PAF's can be justified 
for capacity, I would not use them in a high seismic zone as I have seen too 
many failures in wood plates after northridge that used these for non-bearing 
partitions in side residences. I can't imaging that they would have the 
capability to resist the dynamic load applied ot a shearwall without shearing 
as I saw with interior partitions.