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Error & consequences


WWilts

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One wall (fat red arrow) moved in error by builder during internal setting out. Goes down to foundations (concrete slab on hardcore on trench fill). Has consequences, as highlighted in pic. Esp stairs vs bedroom door.

Brainstorming for options to set things right (short of digging up slab and redoing the wall). That internal wall is still only at finished floor level, nothing atop DPC yet. For various reasons, digging up would be the very last resort.

 

Suggestions?

 

 

Stairs section annotated.jpg

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5 minutes ago, WWilts said:

One wall (fat red arrow) moved in error by builder during internal setting out. Goes down to foundations (concrete slab on hardcore on trench fill). Has consequences, as highlighted in pic. Esp stairs vs bedroom door.

Brainstorming for options to set things right (short of digging up slab and redoing the wall). That internal wall is still only at finished floor level, nothing atop DPC yet. For various reasons, digging up would be the very last resort.

 

Suggestions?

 

 

Stairs section annotated.jpg

 

- change the stairs to put a quarter tern or something in? its impossible to know if this is doable without layouts (can you post) 

- Thinner door? looks pretty small anyway

- steeper stairs, max to BR is 42 degrees.

- how wide was the trench under the slab, check with the SE and ask how much does it have to have either side of the wall, it maybe o.k to have the wall off centre on the trench line.

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5 minutes ago, Faz said:

You don't want the wall off centre to the concrete due to rotational force. 

 

Change to 4x2 CLS stud? Pretty solid stuff tbh.

 

Depends on the foundation type, a offset foundation works, so it could be possible here.

I would at least ask the SE about the option and if it could work with what it has been built.

 

offset-foundation-detail-building-construction-handbook.png.cd8a88e6b36aece1fc48d2f991932718.png

 

 

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Just now, WWilts said:

That particular wall is in 140mm wide blocks, to allow the option of an additional storey above.

 

Even better, 140mm x 38mm c24 structural wall will do it, ask your SE.

 

2 minutes ago, WWilts said:

Plenty wide footing.

 

Again ask the SE if the width of the footing and thickness of the slab can accommodate an off centre 140mm wall.

 

I think that your SE will be able to get a solution for you without messing around with the layout

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5 minutes ago, Faz said:

Are you going to do an additional floor or is a 'nice to have the option' for a future buyer?

Might never get permission, so only 50% chance of it happening

Using the loft storage as a summer bird's nest is a point in favour of reducing ground floor height to 2500mm. (Trying to find silver linings for this cloud)

 

 

Edited by WWilts
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Well, you have to ask yourself how far you are prepared to compromise your current build / expose yourself to additional costs against the likelihood of it being permitted / you being arsed to do it tbh. I think only you can weigh that up - I think your solution to the current issue is high quality stud (4x2 cls) which is as solid as block if done right but you need to assess the options.

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32 minutes ago, Declan52 said:

Was the wall on this pic built up during the foundations?

Yes, foundations are in place for the wall that has the double doors.

Structural wall moved by 180mm from plan. However, 40mm of that is attributable to the increased width of the blocks from 100mm to 140mm, as agreed.
Of the 140mm remaining error, 100mm has been clawed back by another error. So, on looking carefully again, there is 40mm shortening of stairs required.
14 stairs in all incl landing
Original plan ground floor to ceiling 2600 (above 100mm Celotex & 65mm screed, hard wood flooring)
Flooring to flooring 2830mm in original plan (over 14 stairs)
 

Edited by WWilts
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