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Forums >> Revit Building >> Technical Support >> Design Options & Alternates (2010)
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Joined: Fri, May 15, 2009
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Good morning all.
I have been doing some research on this site and through the Help menus and have a few questions/confirmations on the direction I should be heading.
Background: Project is currently an existing building going under a major renovation that includes a couple alternates. 2 of the alternates are building additions with a couple other alternates being change in scope, as in replacing ALL doors versus the selected in base bid.
From my research it appears the best solution is using Design Options. Is this correct? how cumbersome is it to use DO? we still want to call out "alternate 1, alternate 2" on our overall base plan, so in this regard would it be better to merely stick with phasing (for New vs Existing conditions) and just label the additions via their alternate number?
Any insight is greatly appreciated. Thank you,
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Joined: Tue, May 16, 2006
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Design options are great once you learn them but I don't know if they are what you want but phases are probably NOT what you want. Phases are OK for existing / new but do not work well for either or. DO's allow you to do either or (A or B) in the same location and by doing different option sets, you can do combinations. I think you want to do combinations where you may have A, or B or A & B.
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Well, if used properly, Design Options are great. But they come with their share of pitfalls. Managing them different options within the different sets can get complex. I usually break the different options into worksets to ease some of the management. You will also want to change your browser display for the options if that's the route you want to go. I think design options would be great for you change of scope, but I'm not sure I would use them for your alternate building additions as that can balloon file size in a hurry. I would probably use the options for your scope of work and use linked files for you alternative additions and link them in when necessary. As for how cumbersome, depends on how well you manage them. They are fairly easy to use as long as you are paying attention to what the active option is. Basically, you dedicate views, and then switch between active options and their views. It's easy to work in them; I think the bigger issue is referencing elements from other options or the main model as well as room placement. You need a clear understanding of how the main model works in relation to the primary and secondary options as it will affect wall clean ups and what not. The nice part is though, once you get the hang of it, they are great. I would look into dedicating schedules for scope of work options. Helps for quantity and rough cost per option.
Long winded... I would do you scope of work with design options in a single file and you additions in seperate files linked in. Workshare if necessary to aid in management or allow team members to work in different options / main model.
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WWHub - Yes, I agree now after more research and brettchilds post that phasing is not what we want to use for the additions. Having not used design options prior I was not sure its capabilities and which would be better suited for our needs. Seeing as we are using it for teh demolition of casework and additon of doors/etc. Wasnt sure if it could be implemented for additions or alternates. Brettchild - Thank you for the informative post. that is exactly what I was looking for. I think the Design options interface will work as we need it for the smaller items that will change in scope and appreciate the insight into linked files for add alternates. We will mostlikely persue that route for our alternates. Thank you
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I use a lot of design options and they really do not increase file size. The only added objects are host elements that reside in multiple options. Be careful about linked files for what you are doing. Objects will schedule from linked files but you can not tag them in the main model. That means you must use linked views and tag them in the link. A real pain to manage.
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What about using worksets? Or is design options still the best way? Using Revit 2021
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Worsets for what? ....different designs?
Nope - don't do that! DO's are there for a reason.
If you were using worksets and you had interior walls connected to form a Tee. Say in one DO you want the leg of the T to be in the center but in another DO you wanted the leg 1/3 the way over. Now think about those legs as just being in seperate worksets that you could turn on or off.
What happens?
Turn one of those leg walls off and you will see a missing portion of the top of the T where that leg had been connected to that wall. Same thing the other way. Just one of many - MANY problems you will have.
Learn to use Design Options. Hard at first but once learned, you will find a lot of great uses!
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So we went with using the design options and is working great. Now we are having trouble using the path of travel. Has anyone had problems with path of travel analysis while using the desing options? The problem we are having is that we pick the 2 points, the path then goes thru the design options door, and around the outside of the building to the second point.
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What happens if you add some way points?
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What are way points? It will only let you pick 2 points. I believe it has something to do with the settings or the design options. We still have another week before they decide which design they want so can't elimate that until I can accept one design over the other.
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https://knowledge.autodesk.com/support/revit-products/learn-explore/caas/CloudHelp/cloudhelp/2020/ENU/Revit-Analyze/files/GUID-BA60EDEE-CBCF-4A6E-A96A-74E8438A39DC-htm.html
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Thank you for the information however way points makes it worse. I went ahead and accpeted the design option and it still does it so that rules that out! Doing it the old fashioned way till we can figure out what is going on.
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