Forums >> Revit Building >> Technical Support >> How to Break up a Large Project.

Beaucoupnice

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Joined: Mon, Nov 19, 2007
93 Posts

Hi Everyone,

Just want to start by saying thankyou for all the great help over the years and the vast library of familys you make available to the world.

I'm about to start a huge project and I need advice how to break it into smaller manageable Revit Models.

The project is to be two high rise towers.

The first will be about 14 floors and about 20,000m2 (220,000 sq feet)

The second will be about 18 floors and be about 40,000 m2 (430,000 sq feet)

They will both be on the same site.

I was thinking of breaking the first one into 2 models with each dealing with an equal amount of floors.

I was thinking of breaking the second one into 3 models with each dealing with an equal amount of floors.

or maybe have the outer building envelope as one model and break up the inside equally.

It is a bit of a tricky one for me and I would value any assistance or advice based on experience anyone can offer.

Thanks

V

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alabaster2513

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Joined: Tue, Jan 16, 2007
1009 Posts

are you using pretty advanced hardware?

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WWHub

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Joined: Tue, May 16, 2006
13079 Posts

I'm not sure why you would want to break it up.  Two models, one for each building - yes, but beyond that? 

The number of floors has nothing to do with this unless every floor is different.  And even then it may have little effect.

More information!

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Beaucoupnice

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Joined: Mon, Nov 19, 2007
93 Posts

Hi,

Current Specifications are as follows

Intel(R) Xeon(R) CPU  W3520  @  2.67GHz   2.66GHz

8.00 GB RAM

NVIDIA Quadro FX 1800.

Based on what I have heard, I tend to limit the Revit model size to 250MB. Is this still stand as a correct approach?

Floors will be repetitive throughout.

Cheers

B

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__________I'm the guy they come to when they didn't follow my recommended workflows.__________

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WWHub

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Joined: Tue, May 16, 2006
13079 Posts

If the floors are typical, you should not have a huge file size unless:

• You import a lot of CAD "crap"  << Always BAD
• You save a lot of rendered images in the project  << You don't need to save any!
• You don't regularly clean your file
• You have MEP in the same file << Always best to be separate and linked in

BTW - Using worksets and limited loads in really large files can help.  (A good paper on this: http://aucache.autodesk.com/au2011/sessions/5060/class_handouts/v1_MP5060_Rivera.pdf

I have not seen anything on the maximum file size for your sized system but 250 sounds way too small.   We did 250- on a 4 gig 32 bit system.

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alabaster2513

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Joined: Tue, Jan 16, 2007
1009 Posts

I agree with WWHub completely. I do casino/hotel jobs and my tenant spaces are usually larger than 250mb. I love using the uniformat building codes to create my worksets. that give me options for placing my consultants work and all the different categories i need. then i would typically break them up by zones and tenants when it comes to ID and what not. I've definitely found there is no one size fits all solution to this and every project is unique. Starting with a nice core and shell base and evolving has been how it works for me. when the files get huge you just close the worksets you dont need for the task at hand.

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Better to link or just use worksets for a large project?

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