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Some help please
February 29, 2016
7:15 am
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Ness

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Hi Tom,

The SketchUp files are version 8, they should open with no problem in 15.

Sorry I don’t have any older SketchUp’s.

I attach them again, in case they were corrupted.

All the best,

Ness

February 28, 2016
9:02 pm
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Tom Pitcher Cooke

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HI Ness 

Sorry to be a pain but is there any chance you could send the quarter turn stairs from an older version of Sketchup. I use version 15.3.330. The model won’t open in my version as it was made in version 16 the newest I guess. I didn’t know whether there was an open version or if this is a way to make you purchase the latest version.

Regards

Tom

January 21, 2016
7:05 am
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Ness

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Hi Tom,

For information on how to set up the newel post where the stair arrives you can read my Stair Design Preliminaries eBook Page 11 , downloadable from the eBook library here:

https://wooddesigner.org/member…..airs/core/

In general having the post resting on the floor means creating a very weak joint between the stringer.

StairDesigner doesn’t create wedged steps and risers. These can be added manually in CAD but you can’t have the under side exposed if the steps are wedged, really not very pretty to see the wedges and glue blocks.

In your case you could glue a thin sheet or veneer of oak to the back of the steps and risers. This would mean also veneering or lipping the lower edge of the risers where they pass behind the steps:

lower-riser-edge.pngImage Enlarger

In this case the step thickness in StairDesigner has to be set to the total thickness with the veneer.

In France where I work, it would be  more efficient to make steps and risers in solid oak. This is because the cost of labour veneering and lipping the undersides would far outweigh the extra cost of materials. But this depends of course on the costs of labour and oak where you are working.

For the posts 90×90 is a nice thick post and you will have no structural problems with this.

In my workshop videos I use 8×90 bolts with 10mm dowels. The bolt holes are plugged with 30-35mm plugs.

You can also use big screws I consider 6mm a minimum and replace the dowels with biscuits if you have a biscuit jointer .

Biscuits can be a bit faster that dowels.

All the best,

Ness

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January 20, 2016
8:12 pm
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Tom Pitcher Cooke

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Hi Ness

The customer likes the quarter turn stair so with that in mind if have a few questions.

 

1. As there is a wooden handrail and glass balastrade around the perimeter of the stairwell i would like to position the top newel post on the upstairs landing instead of on the face of it and using a double post. I need to investigate the floor joists etc to see how the post and stringer will be positioned/cut. With that in mind if it makes sense do you have any tips or points to consider?

2. The customer would like the under side of the top flight of stairs exposed. The design was to use oak stringers, post and handrail and make the steps from softwood as they will be carpeted. I could easily laminate the steps to make the underside oak. Does stairdesigner propose making the steps with wedges and blocks or just fit neatly in a rebate and using a thicker tread?

please excuse the ignorance concerning staircases.

3. Are the 90x90mm newel posts adequate to carry the weight of 10mm toughened glass panels? The left hand side newel post will run to the ground helping to disperse the weight and the stringers bolted to the wall.

4. I noticed in your installation video you use bolts to fix the handrail, stringers etc. Is there a brand you recommend? And i guess you plug the bolt holes after?

 

hanks for you time and advice. Hugely appreciated.

 

regards

tom

January 20, 2016
6:46 pm
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Ness

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Hi Tom,

Your right, StairDesigner used with SketchUp make for a great design combination tool and a very affordable one too!

cheers,

Ness

January 19, 2016
8:58 pm
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Tom Pitcher Cooke

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Thanks Ness

 

Working in Sketchup with the stairs is great. It would take an eternity to make accurate stairs without your software. Attached is a rough model in situ. Just playing around to see the implications of design choices.

Thanks again for the help much appreciated. 

 

 

FROM-FRONT-DOOR.JPGImage Enlarger

 

From-kitchen.JPGImage Enlarger

 

Plan-view.JPGImage Enlarger

 

Upstairs-landing.JPGImage Enlarger

 

upstairs-looking-down.JPGImage Enlarger

January 19, 2016
6:28 pm
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Ness

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Hi Tom,

Here are the SketchUp files for the new stair.

StairDesigner cannot draw the first riser curved to follow the step bullnoses but you can add these in SketchUp .

As they are not strictly necessary,  I’ve also eliminated the extra posts against the walls. You can put them back if necessary.

All the best,

Ness

January 19, 2016
9:43 am
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Tom Pitcher Cooke

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Hi Ness 

 

Thanks for getting back so promptly and tweaking. I have modeled the room with the half turn stairs in that you kindly provided. Initially the customer wanted a quarter turn but i was struggling to get it to fit but managed it last night oddly. Walking away and coming back helped.

If at all possible if you are able to provide a Sketchup file for the quarter turn so I can model that so they have a choice that would be great. 

Once in Sketchup the problem with handrails etc is eliminated. It was due to it being next to a wall. I have also realised I need to offset the newel posts in so the stringers don’t have a gap between them and the wall. The main reason I like to model so I can foresee these problems.

I have attached a photo of what I meant by newel post on first step. The reason being the stairs are accessed from multiple directions and I fell bringing the post up allows slightly easier access. Also with the half turn staircase is it possible instead of having two posts to have one larger one at the point where the stairs rotate internally? Almost like a spiral staircase central post. Shown in picture below.

Once the customer decides which staircase to use I envisage using your checking and cutting list service, Stairlite Pro? A really good value service really impressed you’ve made it accessible to small businesses like myself. The tutorials are great especially seeing as you not only design but install. I trained as a designer but make as well. I think it’s important to do both.

 

Regards

Tomhalfmodel.JPGImage Enlarger

halfmodel2.JPGImage Enlarger

 

 

 centre-post.JPGImage Enlarger

first-step-stair.jpgImage Enlarger

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January 19, 2016
7:12 am
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Ness

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Hi Tom,

Thanks for posting your project on the forum.

I’ve tweaked a bit your StairDesigner file so that it should work ok for the build.

Balusters cans be assigned to separate flights by using the flight parameters. to display these options hover the mouse over a flight until it goes blue, click right and in the menu choose “Flight Parameters” :

baluster-on-separate-flights.pngImage Enlarger

However, it’s not possible to eliminate handrails from separate flights in the current version of StairDesigner .

The next version StairDesigner 7 will be able to do this. We are planning to release v7 in the coming weeks.

What flights require handrails and or balusters?

I’m not sure what you mean by “newel posts start on the first step up from the ground”, can you explain a bit more or send a drawing?

I attach the StairDesigner file and a SketchUp model for you to play with.

All the best,

Ness

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January 18, 2016
4:43 pm
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Stefan

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Hi Tom, thanks for your first post and welcome to Wood Designer. Ness will be in touch soon to answer your queries. All the best, Stefan

January 18, 2016
3:20 pm
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Tom Pitcher Cooke

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Hello

This is my first attempt at designing some stairs so there may be so obvious errors

I have a void of 1770×1720 to fit a staircase. The orientation is what makes it difficult. This is the houses main staircase in a large hall area so trying to avoid a cramped staircase. The proposal is to manufacture oak stringers, posts and handrail. The rest from softwood and banisters from appropriate glass.

Initially I wanted to make a quarter turn stair with winders but it appears i can’t get this to fit within the regulations so I have attached a half turn. 

My questions/requests are as follows;

1. Can you point me in the direction of being able to get rid of handrail and banisters between particular newel posts and not others?

2.Can you send me a Sketchup file that can be used in their free version?

3.Can the newel posts start on the first step up from the ground?

 

Thanks for your time

 

REgards

Tom

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