- residential to heavy industrial. To provide consistency from one
project to another, to help our younger engineers to develop the thought
process, and in two years figure out how the building was designed, we
developed a procedure for calculations. Calculations should include the
following sections as a minimum:
O Cover Sheet including project, client, date, and revision.
O Revision History that shows the revision level, date, and pages
effected.
O Table of contents for larger calculations.
O Purpose of the calculation.
O Codes, standards, regulatory requirements including dates.
O Loads.
O Materials of construction
O Identify computer codes and revisions used in the calculation. If
none used state none used.
O Assumptions. If none state none.
O References
O Conclusions
Some are handwritten and some typed. The younger engineers did not have
drafting (lettering) and are better off typing so they are ledgible.
Computer printouts are added as attachments.
Gary W. Loomis, P.E., Senior Structural Engineering
Master Engineers and Designers, Inc.
-----Original Message-----
From: Christopher Wright [mailto:chrisw@skypoint.com]
Sent: Monday, June 04, 2007 1:46 AM
To: seaint@seaint.org
Subject: Re: Standard format of submission of structural design
calculations.
On Jun 3, 2007, at 8:10 PM, Muhammad Amin wrote:
> The calculations include output from standard software like GTStrudl
> and some programs develped by me or my friends. I will be thankful if
> someone would point me to guidance on standard format/practice of
> submission of calculations and if possible a sample submission.
I don't think there is a standard--anyway nothing I've ever run into
in the last 40 years.
I use something like the following outline with FEA work--
1. Introduction
2. Structure Description
3. Analysis Description
3.1. Model Description
3.2. Loading
3.3. Boundary Conditions
3.4 Analysis and Performance Criteria
4. Results
4.1. Stresses
4.2. Internal and External Reactions
4.3. Displacements
4.4. Weights
4.5. Natural Frequencies
5. Conclusions
6. References
The purpose of the report is to provide sufficient detail to justify
your conclusions of structural adequacy. Anything that doesn't
address that single purpose is redundant. I try to anticipate what
the client will have questions about and include those. I also try to
include those details and numeric results I'll need to remember what
I did when the client comes back a year later with a question.
You need to explain the important details of what you're analyzing;
a description of the model and important assumptions and methodology,
to include boundary conditions, loading and a summary of the criteria
for judging adequacy. The results section is a brief description of
what was obtained; actual results are included in Appendices only in
the detail needed in justification. I'll also include a summary table
of governing results. The detail needed depends a lot on how
painstaking I think the review is likely to be.
I minimize the amount of output listings and plots included, and I
never include input files on the basis that they aren't any use to
the client. If they ask for them or the output listings, they get
them, but I don't go to any trouble to make that stuff less
mysterious. The significant material is in the report. Computer plots
never stand alone. If they're included the significant detail is
noted carefully in the text of the report.
Christopher Wright P.E. |"They couldn't hit an elephant at
chrisw@skypoint.com | this distance" (last words of Gen.
.......................................| John Sedgwick, Spotsylvania
1864)
http://www.skypoint.com/~chrisw/
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