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Parking Garage Loading - IBC/UBC
- To: "Structural Engineering Association International" <seaint(--nospam--at)seaint.org>
- Subject: Parking Garage Loading - IBC/UBC
- From: "Jake Watson" <jwatson(--nospam--at)utahisp.com>
- Date: Fri, 4 Apr 2003 08:25:21 -0700
We are working on a
precast parking garage in northern California. The '97 UBC requires a 50
PSF live load. This can be reduced to 30 PSF for the columns and even the
double-tees we are using. The IBC (read ASCE 7-98) doesn't allow the
reduction for the double-tees and the columns will be designed for 40 PSF.
We are debating which direction to advise to owner to go. I am not aware
of any parking garage failures but don't want the building to be
"under-designed" in 5 years when California does change codes to something other
than the UBC. This is a eight story garage and the impacts will be
huge based on the decision. Like usual it is a fast track job, and we need
foundations in two weeks. Opinions greatly
Salt Lake City,