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RE: Tilt-up alterations

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I did a similar job some years ago. Welded two frames made from channels and
through bolted the frames to each side of the wall. The frame took the dead
load of the reaming wall above the opening. I extended the beams and added
additional bolts to drag the horz. forces from wind or seismic. Watch out
for the horz. steel for the chord when drilling for the bolts. You will need
the existing drawings for foundation check.

> ----------
> From: 	Jeff Smith[SMTP:smthengr(--nospam--at)]
> Sent: 	Thursday, April 23, 1998 9:04 AM
> To: 	seaoc(--nospam--at)
> Subject: 	Tilt-up alterations
> I am looking at a 1980 tilt up building where the client wants to enlarge
> an
> existing 10' wide by 14' tall roll up door opening to about 16' wide. My
> first response, without any analysis is...not a good idea. In the mean
> time
> the architect is searching for the original structural plans. This
> enlargement occurs in one location along, say 200 feet of wall. Does
> anyone
> have any general thoughts about this type of alteration?