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Re: STANDARD PRACTICE

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Juan,

Here in the US we submit full copies of the design calculations with the
construction drawings.  There is no real standard that everyone adheres to,
each office produces and presents their calculations differently.  The only
real standard is that the calculations should be clear, legible, and able to
be followed and checked by another engineer.  We do have recommended
procedures for presentation of calculations performed using a computer in
the SEAOC Blue book, though these recommendations are not code mandated.

On a personal note, in our office standards for calculations we require that
assumptions be briefly stated, that values or procedures from published
material be referenced, and that computer output be preceded by a sketch of
the model clearly indicating the concept and assumptions of the analysis and
identifying the various elements for cross reference to the printed output.
You never know when you may be called upon to modify an earlier project or
respond to changes required during construction, and well documented
calculations make this process much easier.  Also we find it saves time
overall by facilitating the checking and review process.

I am not saying that the project calculations should be turned into a
masters thesis, just be clear, direct, easy to follow and easy to recreate.

Paul Feather
San Diego, CA
----- Original Message -----
From: "Juan José Treff De la Mora" <jjtreff(--nospam--at)hotmail.com>
To: <seaint(--nospam--at)seaint.org>
Sent: Tuesday, June 12, 2001 1:18 PM
Subject: STANDARD PRACTICE


Dear Fellowes:
I was wondering if there is any standard practice in the United States for a
design document. Let me explain it better. Here in Mexico, the structural
engineer must deliver a "memoria de cálculo" that would translate something
like calculation proceedings or design proceedings.

Here, a structural engineer delivers that document besides the structural
drawings. Here we do not have a standard practice for that and everyone
makes it the way they please.

I would like to know if there's a document on the web or a book that
explains me the creation and requirements of this document in the US. I
don't know if you would like to or if it is permited, but if any of you
could send me an example of how you work (maybe in a PDF) I would really
appreciate it.

Thanks in advance,

JJ

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