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RE: General Building Code Question

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That is correct. However, it also depends on which part of the country you
work in. In some parts, I know that there is no regulatory review of your
work. So, unless you are personally concerned about code compliance, you
could design to a newer code and nobody would care! 

There is also the mechanism of "Alternate Methods & Materials of
Construction", in the administrative part of the building code, that allows
for deviation from the governing code if the building official agrees that
the proposed method provides an equivalent level of life safety.

Ben Yousefi, SE
San Jose, CA

-----Original Message-----
From: Cliff Schwinger [mailto:clifford234(--nospam--at)comcast.net]
Sent: Monday, October 28, 2002 8:23 PM
To: seaint(--nospam--at)seaint.org
Subject: General Building Code Question



This is a general question but I will ask it by giving a specific
example.

IBC 2000 references ACI 318-99 for concrete design.  Does the reference
to ACI 318-99 mean that engineers are bound to using this specific
edition of ACI 318?  For most aspects of concrete design it does not
make much of a difference as to which edition of ACI 318 is used;
however sometimes there some significant differences between the new and
old editions that can have an impact on member design.

Here is why I am asking:

ACI 318-02 allows flexural tension stresses in post-tensioned flat
plates to be as high as 7.5 x (f'c)**0.5.  Prior to ACI 318-02 the upper
limit on this value was 6 x (f'c)**0.5. Since IBC 2000 specifically
references ACI 318-99, I am assuming that engineers are not permitted to
take advantage of the higher service level tension stress.

Am I correct with this assumption?

Thanks.

Clifford Schwinger P.E.


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