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Forums >> Revit Building >> Technical Support >> CAN'T MAKE MONOLITHIC STAIR
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Joined: Mon, Jun 29, 2009
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I'm trying to make a monolithic stair of an odd shape (image attached) but I keep getting an error "can't make monolithic stair". Can someone take a look and let me know what I am doing wrong?
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Joined: Tue, May 16, 2006
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I would get rid of the last riser at the door and the whole landing. Just do the U.
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Wont' let me do that either
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Joined: Fri, Sep 22, 2006
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you could do a sweep.
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No need to In-place, to create that in one piece there is a trick: just put the riser height in "Tread thickness", it's not perfect but will work OR create that with 3 stairs.
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Create half stair and mirror it as shown in the image. Also select stepped in the underside of the winder in the type properties.
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do it like this
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If it gives you that much trouble just make them all into floor slabs.
Althought this would not look proper in a section, it could still be fixed with some detail lines.
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Although floor slab would work in plan and 3D, I think it is a poor solution. The best is using stairs but in this case, Revid does have some problems with the monolithic stair type. If the 'U' shape without landing did not work, then RevitIndia's solution would be better and I know that would work.
You can use a lot of tools in Revit. An in-place sweep that mbsteve suggested would be the next best solution because you could still assign it to the stair category. Another sweep posiblility is a floor edge but just beacuse you can doesn't make it a good solution.
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I think the best solution for you on this one is to research how this set of stairs will actually be poured or "built" more than likely you are having an issue creating this set of stairs because this is not being taken into consideration- if this is the case do an "in-place" model and create your steps however you see fit using sweeps and void cuts to create the look you want. My point here is that "just because you can... doesnt mean you should" Just take a look into it and you might find that creating an entire slab that is built out of solid concrete which is 49" thick is probably not the best use of concrete. Just my two cents... take it or leave it...
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I'm going with Hoff on this one, the reason that I said do a sweep was because you can make it look correct in all the sections, it will give accurate yardage, and it is the way they will be built. You can use a void to cut the bottom two steps to match the slope of the drive or curb you need to match.
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1 - disable "Stair calculator"
2 - Set "Min tread depth" to a ridiculous and absolute minimum, like 10milimiters
3 - Do the oposite approach to the max. riser depth
4 - Be sure the base level and top level are the ones you which
5 - draw the stairs with total freedom. You can even sketch new risers anywere.
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Hi all,
Thank you for all the wonderful helpful comments. FYI, I ended up making the stair using 3 separate stairs and then modeled a floor slab at the landing. Seemed to have worked!
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This may have been updated in 2014 (which I am using right now), but if you edit the properties of the Monolithic Stair - Run Type - Underside Surface to be Stepped, instead of Sloped, it will work.
But make sure that the Structural Depth is not greater than or equal to the total of tread depth plus nosing length (unless nosing length is 0", then you can set it to whatever depth you want, if you want stairs to appear as solid block of concrete).
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