Monday, June 15, 2009

Re: Specifications - Welding in Seismic Zone


Joe,

As Mark mentioned in his post, AISC 341 and AISC 358 have incorporated many of the important AWS D1.8 requirements.  It is probably a judgement call on how much of AWS D1.8 you would want to cut and paste noting that it is approximately 100 pages long.  If your work is primarily one and two story shear wall design with just an occasional moment frame then the basic requirements of AISC are probably satisfactory.  If you deal with a lot of multi-story moment space frame design then you may want to just invoke the entire AWS D1.8 as a project requirement.  Note that your steel fabricator may charge you a premium for complying with AWS D1.8 for the extra NDE and welder qualifications.

Thomas Hunt, S.E.
Fluor



Jnapd@aol.com
06/12/2009 03:13 PM
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Re: Specifications - Welding in Seismic Zone





Tom
 
Can you discuss which sections of the new AWS D1.8 would be good to copy and include in our standard drawings and specifications.
 
 
Joe Venuti
Johnson & Nielsen Associates
Palm Springs, CA

 
In a message dated 6/12/2009 2:28:03 P.M. Pacific Daylight Time, Tom.Hunt@fluor.com writes:

Refugio,


The first official release of AWS D1.8 was issued too late for incorporation into our current codes such as IBC, AISC, etc.  So unless your local jurisdiction has invoked it or the Engineer of Record has included it in the project requirements there is no regulation that says you have to use AWS D1.8.  That said, I would suggest cutting and pasting a lot of the good words from AWS D1.8 onto your standard drawings and/or specifications.  This now gets even worse as the 2009 IBC will still references the 2005 AISC Seismic Provisions so AWS D1.8 will not be officially be referenced until the 2010 AISC Seismic Provisions.  IBC is still on a 3 year cycle whereas AISC has moved to a 5 year cycle.


Thomas Hunt, S.E.

Fluor



Refugio Rochin <refugio.rock.hill@gmail.com>
06/12/2009 01:50 PM

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Specifications - Welding in Seismic Zone







If a project is in high seismic zone, by that nature is welding in
that zone required to meet AWS D1.8?
I think a better question is, when is AWS D1.8 required?
Unfortunately I do not have the AWS D1.8 nor D1.1 to reference D1.8 use.

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