I am trying to determine how many meg of storage the drawings of a typical
commercial building project would require- This would include all the tiff,
dwg, dxf, etc.
I know there is no such thing as "typical" Maybe I could hope for more
than one response to this question with some parameters or rules of thumb.
Sounds like a good rule of thumb, making two assumptions: the number
excludes presentation images and animations (if there are any), and
assumes good server 'housekeeping' (e.g. fairly frequent archiving of
Adobe Illustrator files can easily top 100MB, and an animated
fly-through in .avi format can easily be 500MB.
I say this because at work we have a 400,000sf project on the boards,
and the project drive is easily over 1 GB - including all of our
presentation files and a bunch of old 'crud' that nobody's bothered to
From an IT/Cad Manager perspective, it's helpful in planning to know how
much storage and backup media/equipment you need to do the daily backups
and archives. Knowing how many projects kept alive X project size vs how
many and when projects should be off-loaded to long term storage. Also,
how large is the backup equipment and how long will it take to do the
Then factor in a growth factor for the extra images, 3d, pdf, research
material and the Cad Manager can plan for tomorrow and not do "ad-hoc"
Back when I first started, an average of 100k per drawing sheet (R10).
Then it quickly burgeoned into 500k/sheet for R12/early 90's and
exponentially grew from there. 3 years ago that amounted to an archive of
5mb/sheet (without 3d) - but that was after a severe purge.
I just did a quick check on one of our projects.........250,000 s.f. office
building that we completed last year. The project folders half about 1.5G
in them......everything from photos to correspondence files.
After reading this thread I decided to go check a couple of recent
projects I've been working on this last year and the file size stunned
One project started in November and finished DD about a month ago was
The other that is finished (DD only) and about to start construction
We do a lot of raster/3d stuff, but I think we need to take a look at
our file management, that's ridiculous ;-0
The raster / 3d stuff will eat up space. These were pretty much straight
And I use one building 'model' for all plans.......using xref's, so some of
my most intense sheets are actualls very small files.
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