Building Site Report - Notary Appointment / Soil Report

  • Erstellt am 2019-04-08 19:19:46

Vetti007

2019-04-08 19:19:46
  • #1
Hello everyone,

we finally received our soil survey today, one day before the notary appointment for the land purchase.

As far as I can tell, 20 cm of topsoil must be removed (with a height difference of 17 cm in the affected area of the building plot), below which there are load-bearing glacial gravel soils, where care must be taken during excavation work to avoid softening.
The building can be founded on strip and individual footings or on a rigid reinforced concrete slab.

Regarding the water on the property, it was encountered as stagnant, layer, and seepage water, and due to the very low water permeability of the soil, it can locally and temporarily accumulate up to the height of the terrain, and in depressions even above that. However, it is not actual groundwater.

At the end of March, when the borehole samples were taken, water was also standing in the depressions on the property.

I am currently a bit concerned about the impermeable soil on the property. Not so much for the construction project itself, but also about what this means later for "our garden." We don't want water standing on the lawn or in the beds.

Can someone from you help me tonight or tomorrow morning with what this soil survey ultimately means for our property and us, or with which measures are best to counter the water standing on the property after longer periods of rain. Unfortunately, I can't reach a landscape gardener anymore tonight.

I would be very happy to receive replies!

Best regards - Vetti
 

Nordlys

2019-04-08 19:48:03
  • #2
The soil is buildable. Unproblematic. The garden, terrace, and so on need to be drained. As the garden landscaper says. To do this, lots of plants and little sealing.
 

Otus11

2019-04-08 21:50:08
  • #3
Mixing coarse sand into the clay already significantly improves water infiltration in the garden bed (provided it can continue to flow downwards).
 

Mottenhausen

2019-04-09 10:23:05
  • #4
no problem at all, the soil investigation sounds very good. A drainage layer around the house and sloping away from the house doesn’t cost the world. Under the topsoil for the lawn, as mentioned, a thin layer of sand, then nothing will become waterlogged. possibly only locally if depressions occur somewhere.

It would be bad to have a soil investigation with soil replacement at deep depths or a found spring directly under the planned house, where water bubbles up cheerfully after every rain.
 

Vetti007

2019-05-01 19:31:30
  • #5
Thank you for your answers. The property has now been purchased. Unfortunately, I am currently very busy at work, so I couldn't thank you for your answers earlier! Best regards - Vetti
 

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