Adding a Landing to two different stair type runs?

[Pshupe]

I have a set of stairs which has needs to have a different run for the last run of stairs.  I have created two different stair types for the different riser height for the last run.  I have left the landing associated with the lower run, stair type.  The second stair type starts from that landing and goes up to the roof.  I want to join the top run, stair type, to the landing of the lower run because it shows the stringer on the edge of the landing.  How can I join the landing and have it cut out the stringer at the bottom of that top stair run?  See image attached.

Ideally it would be nice if I could make a U shape stair with the second run having a different riser height but I don't think that is possible?

Also I have tried modifying the support in that area and it will not allow me to change the support type and won't let me slice that one member or adjust the length. 

Please advise.  Thanks in advance.

Regards Peter.

[barthbradley]

What about creating and overlapping 3 stair types? Leave the 2 stair types that you have, but set their supports to "none", then create a 3rd Type that is just Supports -- no Treads/Risers -- and this one is your U-Stair that goes all the way to the top.  Get it?  

[Pshupe]

I'd rather not make another stair type, in which case, I might as well just make a separate landing.  Also you cannot make what you are suggesting because you can't make two different runs in the same stair.  It would have to be two different runs to match the treads and risers on the other two stair without supports.  So that would not work, If I understand properly??

Regards Peter.

[barthbradley]

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@Pshupe wrote:

I'd rather not make another stair type, in which case, I might as well just make a separate landing.  Also you cannot make what you are suggesting because you can't make two different runs in the same stair.  It would have to be two different runs to match the treads and risers on the other two stair without supports.  So that would not work, If I understand properly??

Regards Peter.

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You misunderstood me. 

This help? Colors represent the different TYPES.  3 Types.  

[barthbradley]

....or maybe I'm misunderstanding you. The way I read it, you want continuous U-shaped right and left stringers.  Yes? No?  

[Pshupe]

Yes, that is exactly what I want.  The top run of the stairs has to have a different riser height though.  Can you have the second run with a different riser height?  Thanks.

Regards Peter.

[Pshupe]

Are the green and blue stairs the same riser and tread?  If they are why not just do them as one stair with supports?  If not how do you make the supports, in blue, align with the green stair that has a higher riser??

Regards Peter.

[barthbradley]

Just leave the 2 stairs you have, but edit their Type Properties to remove their Supports (e.g. set Supports to "None"). Then create another Stair Type with Supports AND a Stair Run that has NO Treads/Risers.  This Support-only Type is the U-Shaped Stair.     

[Pshupe]

I'm sorry but I don't think you understand.

1.   I cannot  create a U shaped stair with a mid-landing that has a different riser height for the second run.

Can I do this?  If no.

2.   I create two stair types, one with a top landing.  The other from that landing to the next level.  Can I join that stair to the existing landing so it does not have the support structure of the landing as a tripping hazard at my first step of the second run?

like the example from my first post. - 

I want to get rid of the structure with the red X.

Your solution does not work because the 3rd type of stair, which is just the stringer, cannot align with the different riser height of the second run.

Does that clear it up?

Regards Peter.

[barthbradley]

Look it; it was just an idea. Maybe it won't work in your case. I have no idea what the riser height difference is between the two stairs.  Obviously, it is great enough, this approach won't work.  What about modeling the Stringers as Beams?  That might work.  

Tell you what - Post your RVT here and let me look at it.  Maybe I can figure something else out.   

[Pshupe]

I could very easily model the landing in the correct location.  I am asking if the Stair command can create a landing between two stair types that have different riser heights.  There seems to be options to join stair runs to landings but it doesn't seem to work when I try it.  Confirmation that it is not working because the stairs have different riser heights would also be helpful.  I am hoping it can just be done inside the stair command.

Regards Peter.

[ToanDN]

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@Pshupe wrote:

I have a set of stairs which has needs to have a different run for the last run of stairs.  I have created two different stair types for the different riser height for the last run. 

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You can certainly model two stairs under the same type and they have different riser heights.

[Pshupe]

How can I have different riser heights in the same stair type.  Maximum Riser Height is a Type parameter.  There is only one variable for the whole stair regardless of number of runs.  If I edit the stair, I cannot edit those type parameters.

Thank you.

Regards Peter.

[ToanDN]

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@Pshupe wrote:

How can I have different riser heights in the same stair type.  Maximum Riser Height is a Type parameter.  There is only one variable for the whole stair regardless of number of runs.  If I edit the stair, I cannot edit those type parameters.

Thank you.

Regards Peter.

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Sure you can. It would be crazy if you need different stair types just because the riser heights are different.

[Pshupe]

Those are two different stairs.  Not different runs in the same stair.  It's also not different "maximum riser height".    Again, I am building a stair that has a mid-landing and then the second run has to have a different "maximum riser height".

From the Second Floor to the mid-landing will be the same stair type as below.  Above the mid-landing level there is a substantial increase in riser height  to access the roof hatch.  I need a much higher "Maximum Riser Height", which is what would require a new Stair Type, correct???  If I do a new Stair Type, how can I join the mid-landing to the bottom of the upper run of stairs to get rid of the stringer, support, around the whole landing?

Same picture and question from post number 1.  Thank you.

Regards Peter.

 

[ToanDN]

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@Pshupe wrote:

Those are two different stairs.  Not different runs in the same stair.  It's also not different "maximum riser height".    Again, I am building a stair that has a mid-landing and then the second run has to have a different "maximum riser height".

From the Second Floor to the mid-landing will be the same stair type as below.  Above the mid-landing level there is a substantial increase in riser height  to access the roof hatch.  I need a much higher "Maximum Riser Height", which is what would require a new Stair Type, correct???  If I do a new Stair Type, how can I join the mid-landing to the bottom of the upper run of stairs to get rid of the stringer, support, around the whole landing?

Same picture and question from post number 1.  Thank you.

Regards Peter.

 

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You don't need to adhere to the stair type's default maximum height if one of your stairs needs taller steps.  See below, it is still the same stair type.

Yes they are two stairs obviously because the riser heights are different.  But your question is about stair types, is it not?

[Pshupe]

My question is still the same from the first post.  I'm not sure where I am going wrong explaining this??

There is one stair.  The second run from the mid-landing to the roof has a much higher riser height than the first run from second floor to the mid-landing.  Please look at picture below.

I had assumed that I cannot have different riser heights in the same stair, so I created two stairs.  One type with a shallower run which goes from Second Floor to mid-landing.  This stair has the landing.  Then I created a second stair with the much higher riser height.  I want to know how I can join the two stairs so I do not have the stringer, structure, showing up in front of the first stair on the second run.  Like this picture.  Please look at the picture below.

How can I join the upper stair run with the landing so there is no tripping hazard?  Or how can I remove that section of the stringer?  Or how can I draw one continuous stair with different riser heights in the same stair but in different runs?

Regards Peter.

 

[ToanDN]

Here a landing between two different stairs of the same stair type without any stripping hazard.

And your question is not clear.  You emphasize stair TYPES, which is irrelevant to what your real question is about.

[Pshupe]

OK.  How do you get a much higher riser height between two stairs of the same type?  Do you specify the "Desired number of Risers" also how do you join the landing with the other stair?

I adjusted the second stair to have less risers, which gave me a warning about exceeding the maximum riser height but I can't seem to join the stair to the landing?

Regards Peter.

[ToanDN]

You goal is getting rid of the support stripping hazard then you don't need to join the landing from one stair to the other stair.  Simply edit sketch the landing, split segment where you want no support, finish sketch and delete the support segment there.