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Use of your work by another engineer.

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Here we go again?   :^\

A client wants you to do a preliminary design of a
large public building.  You are to provide
drawings and specifications (on paper and perhaps
computer file) to the client.  It was your
original understanding that your drawings were to
be for estimating purposes only.  Now it appears
that the client will want the future engineer to
have them as a foundation for his own work.  In
other words, the drawings that you are to provide
are not to say anything like "property of XYZ
engineering".  Of course, some other engineering
firm will likely end up doing the final design of
the building.

There are a few areas of concern that I have about
such a set up:

1.  What is the appropriate level of additional
compensation for the additional service of
providing drawings for use in future work rather
than just estimating drawings.

2.  What measures are reasonable to take to try to
limit undue liability exposure (real or

3.  What is the appropriate level of additional
compensation for any increase in liability (real
or otherwise) created by the move from a
proprietary set of documents to an open set.

4.  The client may end up asking for calculations
(on paper or on disk).  How does this impact items

With respect to all items:  Is this a reasonable
arrangement to get into?

With respect to Item 3:  What are the proper
limits of liability in this situation?

With respect to Item 4:  Is it reasonable for you
to provide calcs for a partial design, when the
rest of the design will be done by someone else.
Should you try to restrict the incorporation or
use of your calcs by said future engineer.  Should
every page of your calcs say,  "XYZ engineering
makes no warranty? or some other such language" or
is this going too far.

Also with respect to Item 4:  Concerns may extend
to calculation computer files.  Public agencies
often want plans submitted in electronic format,
which is generally something like DWG, DXF or some
other format that is not only  readable, but
operable.  Are calcs different?  If your computer
files include spreadsheets or ETABS files (which
you spent a fair amount of time developing), is it
reasonable to PDF those files (change them to the
Acrobat Reader format) so that they are readable
but inoperable.

Please help

Stan Johnson, PE,  Do coffee stains count as
proprietary information?        :o)))