The Next New Building Code – ACI 11/01/ Approximately three and one half years ago, I had the opportunity to address the Institute from this page. Title: ACI Provisions for Seismic Design of Structural Walls of the American Concrete Institute (ACI) Building Code, ACI Title: /R Building Code Requirements for Structural Concrete & Because the ACI Building Code is written as a legal document so that it may be.
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Codf of the members of the committee understood that we would publish an interim code in and a major new one in Little did we know what the future held.
How we got there is the basis of this memo. Practicing structural engineers in the United States understand that ACI does not become a legal code until it is incorporated into a model building code, which is normally then adopted by a local jurisdiction as its building code.
In recent history, there have been three recognized model building code agencies in the United States. Each is used in different geographical areas of the U. Shortly after our committee started work inthe three model code groups came together and formed a new body, known as the International Code Council ICC.
This new group made a decision to publish a single model building code by the yearto be known as the International Building Code or IBC Where previously the ACI document was used by the three model code groups, it will now be used by only one in the IBC In the preparation of IBCseveral things became apparent. Second, the plus differences that had existed in UBC would be carried forward to IBC as plus modifications to We on Committee undertook the task of minimizing those differences between IBC and the new version of ACI that would be referenced.
For this, we still have another hearing to go through in March but, assuming the version of ACI is accepted to be the referenced document for the design of concrete structures, the number of modifications will be close to ten instead of the 60 plus which existed in UBC.
Full text of “1. ACI 99”
The proposed revisions to to be incorporated in are included at the end of this issue of Concrete Codde. All of you have the right to comment on these proposed revisions until February 1, Many of these suggested changes are the result of our desire to address the modifications or coxe that existed between and UBC.
In the future we will endeavor to produce a code that will always precede the IBC code by a year.
Since it is the intention of ICC to publish 38-99 building code every three years starting in the yearACI will attempt to publish in,and so on. Consequently, our next code edition will be and every three years after that. This will demand a change codee our approach to revisions since we have been publishing a new code every six years since These are exciting times that require a change in our organizational approach as well as our publishing schedule.
The ACI Committee looks forward to the challenge and with your help will do our best for the Institute. Remember, the version of ACI that is incorporated by reference in IBC is the legally adopted code that will be used by most municipalities as their building code.
I can be reached through ACI headquarters or at my office:. We welcome your comments and thank all ACI committees for their assistance. As I said previously, the Building Code is a reflection of the state-of-the-art in concrete construction, as determined by the work of all of you through the technical committees of the Institute.
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I can be reached through ACI headquarters or at my office: Back to Past-Presidents’ Memo List.