Evaluation of Building Site Soil Report?

Good morning,

we had a construction site report for a property prepared on our own initiative (I don’t want to buy a pig in a poke). Now we have received the report and as a layperson it doesn’t read very well. I would like to hear some information from experts.

There are 11 pages, how can I best insert them?

Thanks in advance

Regards

Steven

Ok, I found it . .

The report is attached.. pages 1-10

Page 11 ..

Thanks in advance
Regards

Steven

Obviously, quite a bit was dumped there. 1.6m thick fill, construction debris, slurry. The only thing missing is a bog body. Groundwater is an issue, waterlogging.

Not so great. Soil replacement is necessary. Budget 15-20K€ additional costs for the foundation. If not even more. This is just about the foundation of the house, but with that stuff in the ground, you probably don't want to lay a garden on top either.

Obviously, a lot was dumped there. 1.6m thick fill, construction debris, slurry. Only a bog body is missing.
Groundwater is an issue, waterlogging.

Not so great. Soil replacement is pending. Plan for 15-20K€ additional costs for the foundation.
If not even more. This is only about the foundation of the house, but with that stuff in the ground, you probably don't want to lay a garden on it either.

Who knows, maybe there is a bog body... Now we can guess why the plot is so "cheap"...

Well, 1000 € wasted with the preliminary decision. But better than 300K...

I could have guessed that at least 20K would be added... I planned with 30-40K... That's then completely over budget. It's too risky for us...

But thanks for the confirmation...

Regards

Steven

not so great.

I don't think so at all.

A soil investigation report is always formulated in the "worst possible" way so that no one can hassle the surveyor afterwards. Hence all the standard phrases about how bad the soil encountered is.

What counts is only the foundation recommendation |Page 6, Point 3|. That contains a clear instruction: excavate 80 cm deep and fill with sand, possibly deeper in the area of the old manure pit. I mean, that's great, if this were a bad soil report, then 2 m deep frost protection would have to be installed, or even better: pile foundations, waterproof concrete slabs, and such. None of these problems exist here. Roughly calculate 1 m depth times the house footprint plus slope area/workspaces, then you can figure out how much excavation will result and how many tons of gravel are needed for backfilling. I would estimate additional costs of around €5000 compared to ideal foundations according to the construction specifications. You’d have to find a plot where it’s cheaper first.

Edit: if you have doubts, then don’t take it, but as I said: don’t be annoyed if the soil reports for the next 5 plots also turn out no better.