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cut strings drawings
March 7, 2017
2:59 pm
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Ness

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Hi Jesper,

The anchor point looks fine.

Here are the working documents for your stair.

I wish you good luck for the build, and love to see some photos if possible.

All the best,

Ness

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March 7, 2017
11:35 am
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jesper grube

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Hi Ness they are identical it was just a mistake and just change it to 200mm. did you find out anything with the anchor position ??  

And on the picture you just sent. it does not look like it is in 3 parts. can you send a picture from above.

Cheerslaugh

March 7, 2017
11:08 am
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Ness

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Hi Jasper,

Thanks for posting these 2 stairs, both models look the same to me.

Am I correct or if not which one would you like processed?

One remark, your cut strings are 300mm wide under the step notches, this is not really necessary.

Structurally you don’t need more than 180mm, the stair then looks lighter and uses less wood.

final01v01.jpgImage Enlarger

cheers,

Ness

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March 6, 2017
5:08 pm
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jesper grube

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Final stair

March 6, 2017
5:05 pm
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jesper grube

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Hi Ness anchor position is 17 cm and floor thickness is 34.6 cm

I do not understand the anchor position but hope you can get something out of what I have written

I have made a landing step and put in the right measures they are 265,1 cm and 282 cm 

so now I think I’m done and if you do not have anything to add, you can send the files

March 6, 2017
11:57 am
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jesper grube

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hi ness should I attach the stairs to the concrete floor and so make the bottom step a little higher?IMG_20170306_121721-872x872.jpgImage Enlarger

 

all the other measurements i look at when I come home from work

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March 6, 2017
5:49 am
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Ness

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Hi Jesper,

This stair doesn’t have a landing step and is not the last version I have.

I attach the last version which has a total height of 2648, compared to the version you just posted at 2640.

Note that it’s usually better to make the stair a little higher than shorter.

Note also that the vertical width of the cut string as it meets the joist is 384 and the anchor height where you’ll have to fix the stringer into the joist is in the lower half of this. So you have to check the total floor thickness and make sure that this is possible given the position of the main supporting timber .

first-floor-joist.jpgImage Enlarger

 

arrival-010.jpgImage Enlarger

Can you make any necessary adjustments to the stair I’m posting and validate the project for processing?

All the best,

Ness

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March 5, 2017
10:07 pm
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jesper grube

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Hey Ness, I think this is the final design but I’m not quite sure 🙂 do you have anything to add? the stair are maybe 3 mm higher but if I press it into the program so it will have 15 steps and I would rather avoid

March 4, 2017
9:19 am
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Ness

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Hi Jesper,

Before I send you the manufacturing documents and so that there is no confusion in the file we process, can you post your final and validated project sds file to the forum.

Thanks,

All the best,

Ness

March 3, 2017
9:42 am
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jesper grube

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yes I’m a little busy because my bank is up my ass 😀 but that’s okay it will not be this week. but I hope it may be early next week?

March 3, 2017
9:28 am
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Stefan

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The StairFile order has come through, thanks for that. We will review your project as soon as possible, I realise you’re in a hurry but unfortunately it may not be this week now. Best regards, Stefan

EDIT: Sorry about that!

March 2, 2017
8:09 pm
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jesper grube

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Hi

Now I have ordered stair file

so if one of you has the time to help me finish the drawings

as soon as possible,

I would be happy

all the best Jesper

March 2, 2017
12:00 pm
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Stefan

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Hi Jesper, please order your StairFile so we can continue to look at the details of this project. Thanks, Stefan

EDIT: unless you already have ordered it, but I cannot see a record of the order. Thanks again!

March 1, 2017
8:40 pm
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jesper grube

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Hello Ness now I am ready to continue with my project.

here is a picture of the joist we talked about last time.

joist.jpgImage Enlarger

 

but how it is set up does not really matter because the stairs are closed below.

when do you think that I am ready to continue staircase file.

because I need to use the drawings as soon as possible

All the best jesper

December 6, 2016
2:39 pm
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Ness

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Hi Jasper,

Landing steps are usually less wide than others.

The exact width depends on how you want to connect the stair with the upper floor level.

The way you connect the stair depends on the stair elements and the upper floor configuration.

For cut strings the landing step width is very important as it will determine how the sting meets the floor joist.  

The wider the landing step the higher the lower sting edge will meet the joist:

landing-step.jpgImage Enlarger

In the above drawings the left stair has a narrow landing step that makes it difficult to assemble the string to the joist.

The right stair is what I consider the best situation where the lower string edge meets the face of the joist. This then determines the right width of the landing step. However this often means that the landing step is fairly wide and reduces the total tread line which can be a problem if the stair well is a tight fit.

You have to bare in mind that you must assemble the structural lower part of the string to the joist or first floor, so in the left stair you will will either have to extend the string under the ceiling:

string-structure.jpgImage Enlarger

 

or use a hanging bracket or post.

string-fix.jpgImage Enlarger

This type of assembly reduces the width of the landing step and maximises the tread line length.

In your case you have plenty of room so you can set the landing step to the width that you want.

To determine the ideal width of the landing step you should make a drawing of the arrival with the string and the joist height.

If you want me to do this, I’ll need to know if you have a newel on the end of the string, what elements are around the stair well at the first floor level (assembly with eventual balustrades or railings) and the joist height.

All the best,

Ness

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December 6, 2016
6:33 am
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jesper grube

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hi Ness I have thought about how the landing step should look like and I can not figure it out. would you make it as big as the other steps?

or as large as it is on the drawing you made.
November 21, 2016
8:07 am
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Stefan

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Hi Jesper, just right click on the file and select ‘save link as’ or ‘save as’. That works. All the best, Stefan

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jesper grube
November 21, 2016
7:13 am
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jesper grube

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hi Ness first thanks for the great help you provide.

Unfortunately I can not download the file sds, I do not know why. It just open a text document.

Maybe you can send it to my email jespergrube@gmail.com

all the bestsmile

November 19, 2016
10:17 am
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Ness

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Hi Jesper,

Sorry to reply so late, but I’ve been away on a trade show the last week.

For your stair, unfortunately you can’t make the risers shorter in StairDesigner.

To do this you have to modify the DXF files or the production drawings by hand.

As well as this for this type of stair I would suggest that you make the risers sit on the step and eventially notch the back of the steps into the cut strings like this:

step_notches.pngImage Enlarger

Once the StairDesigner model is set up like this you can manually reduce the riser lengths.

The risers can be just screwed from under the step as in the above image or grooved into the step like this:

groove_risers-1.pngImage Enlarger

In this case you’ll have to also reduce the groove length to suit.

The easiest way to check the different heights and clearances is to make a SketchUp model and insert the StairDesigner 3d DXF file.

I’ve set up and attached a quick model for you :

jesper02v01-3d.pngImage Enlarger

As you can see from the model your stair will fit neatly into the corner with no problem.

However I see that you don’t have a landing step, is this done on purpose?

In general I alway suggest using a landing step if possible.

I attach a StairDesigner model jesper02v01.sds as an example of how I would set up a stair like this.

All the best,

Ness

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jesper grube
November 17, 2016
7:18 pm
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jesper grube

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Hello Ness I have a problem with risers I want that they only go out to the cut strings so the steps floats in the air if possible

I also need some measures on the stairs because I have a window at the bottom of the stairs which I hope I do not hit

I hope you understand what I mean, I understand if you do notwink

I have attached a sds file but it is only 3 kb so I do not know if it can be opened




risers-1.jpgImage Enlarger
Problem-with-window-1.jpgImage Enlarger
Problem-with-window-2-2.jpgImage Enlarger
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