ᐅ Our Sloped Site – Concrete Slab vs. Basement

Created on: 14 Feb 2021 17:30
D
derwilder85
We have a sloped plot and have planned a living basement, which will have floor-to-ceiling windows on the downhill side.
Would you recommend building a basement or a slab foundation with slope stabilization for this kind of incline?
Our current building footprint is 9.12m (30 feet) by 8.5m (28 feet).
There is a slope of about 1.8m (6 feet) over the 8.5m (28 feet) length.

I have attached the survey results (plot 1295) with the elevation profile and our thoughts on the house placement.
Basically, we would prefer to build larger on a slab foundation with a wood frame structure and avoid a concrete basement.
I’m looking forward to your ideas.

The soil report is unfortunately still in progress.
P.S.
The civil engineer would recommend a basement, but I would probably say the same in his position.

Site plan: plot 1295 with blue outline, street layout, paths and markings.


Cadastral map with parcels 1295 and 1297, blue outlines, road and elevation data.
11ant17 Feb 2021 16:20
Hangman schrieb:

Stupid question: if necessary, digging the basement 0.8-1m (2.6-3.3 ft) deeper – is that a big problem? Then the adjacent garden area would even be a bit flatter.
It would be possible, as long as the ground floor is not lower than the street level.
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