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More trenches, holes and crushing concrete


LSB

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So in the last couple of months we've moved on quite a bit for us.

 

We started on our next section of the build, to be the snug and entrance hall.

This is the sticking out part of the 'L' of the build.

 

 

We removed the roof covering some time ago, so at the start of July it looked like this.

 

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Then the 4 layers of floor and internal walls were broken down

 

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Then the walls came down and trenches were dug and filled up again

 

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Sometimes with building it looks like we do loads of work and then cover it all up again

 

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Once that was set, we started on the foundations and while we had access we had to build out the floor to the correct level for everything that needs to go in there.

From the DPM we had to go down 650, almost as deep as the foundations at 750

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While we were going down and starting to build the walls back,  we had 100 ton of this.

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Crushed by this beast

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He was worried about our Suffolk Hill, aka a small slope as his machine is 24 ton and totally home made

 

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using his built in pecker for some of the tough concrete

 

 

 

So, quite an active couple of months.

 

Next is to build the floor in what will be our snug and hall, first hardcore with blinding sand layer (wackered down), then cellcore as we have some clay, then 2 layers of mesh and the concrete pour.

The mesh and pour needs to be inspected by our BCO.

 

Till next time

Adios

 

 

 

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Great blog.. keep it coming!

 

Things I like are how your pics convey thousands of words.

 

I can see the use of your simple and effective string lines.

 

How you break out old concrete.

 

Simple stuff that shows a found excavated and the different layers of soil.

 

For all on BH.. if the sides of your founds don't look so clean cut as @LSB it's ok. Often in poor ground we want the sides rough so the edge of the concrete found gets an extra key into the ground!

 

 

 

 

 

 

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15 hours ago, Gus Potter said:

Great blog.. keep it coming!

 

Things I like are how your pics convey thousands of words.

 

I can see the use of your simple and effective string lines.

 

How you break out old concrete.

 

Simple stuff that shows a found excavated and the different layers of soil.

 

For all on BH.. if the sides of your founds don't look so clean cut as @LSB it's ok. Often in poor ground we want the sides rough so the edge of the concrete found gets an extra key into the ground!

 

 

 

 

 

 

the first trenches we dug we pure sand, these had some sand and some clay at the south end, nearest to the rest of the build.

We have had some 'collapse' on sides and particularly corners.

 

The strings lines were after some issues on the first stretch we did where we ended up not quite level when we go up high so wanted to do the whole thing.

 

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On 07/10/2023 at 14:36, LSB said:

The strings lines

For a self build string lines and a good steel tape are an essential requirement. Also consider a water level.. not technical but it's cheep to knock up and means you can check that either you or the builder are getting the basics right at little cost.

 

Best to get the founds right as you sleep well at night.. you need to get the sleep in early as later you'll maybe be grateful for it!

On 07/10/2023 at 14:36, LSB said:

We have had some 'collapse' on sides and particularly corners.

It happens in soils like sand when they are loose. Main thing is to clean out the bottom of the found so the concrete doesn't end up getting poured on loose soil.

 

 

 

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