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RE: Los Angeles City 2007 building codes.

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Posts from earlier today…



Check with the jurisdiction, but, assuming you project is non-DSA or non-OSHPD, there will probably be only 3 items that will be different from ASCE-7. [For non-engineers: conventional wood frame construction requirements of IBC have been revised by HCD -- practically all projects of any size now require lateral calculations.]


1. Minimum value of Cs is revised (affects tall builidings only)

2. Builidng separation requirement is added (similar to UBC)

3. Concrete wall out-of-plane deflection of ACI is revised.




There is no grace period after Jan 2008.


If you plan to submit using ASCE-7 ***before*** Jan 2008, I do not see why you can not convince them.


Suresh Acharya, S.E.



-----Original Message-----
From: Andre Sidler [mailto:asidler(--nospam--at)]
Sent: Tuesday, November 06, 2007 2:22 PM
To: seaint(--nospam--at)
Subject: California Building Code and the 2006 IBC

Fellow Listers -
I hear California is adopting the IBC in January, 2008. Does any one have an idea on what the code status is for the city of Los Angeles? Will they also be adopting in January, 2008? Will there be any grace period where you can submit under either IBC or UBC(CBC 2001)? Will they have amendments? Um, sorry, the questions should have been, "how many amendments?"
I tried calling the LA Call Center and I didn't get any help.
Andre J. Sidler, P.E., S.E.
Quantum Consulting Engineers
Seattle, WA


David A. Topete, SE

From: ndz28(--nospam--at) [mailto:ndz28(--nospam--at)]
Sent: Wednesday, November 07, 2007 11:16 AM
To: seaint(--nospam--at)
Subject: Los Angeles City 2007 building codes.


Fellow engineers,

Does any one have any information on the new Los Angeles building code amendments?  What structural amendments is the city  making to the building code (2007 CBC)?  As of yet, I have found no information,  and there are all sorts of rumors flying around. I have talked to several supervisors, but no one has any definite answers. And definitely nothing in writing. I cannot base my design on rumors.

We're 7 weeks away from the inception of the 2007 CBC and we're attempting to design our projects without knowing for sure what code to design for. ( Mind you I'm already handicapped for not understanding section 1609, wind loads, and I'm doing just as badly with the seismic part).

 I can't even get a straight answer if the 2007 CBC will be accepted in Los Angeles for now, or will I have to redesign my plans and calculations whenever the amendments come out?  What a way to run a business. How do I explain to my client that he'll have to pay me twice for redesigning?

Thanks in advance.

Andrew Vidikan, PE

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