Hello everyone, I have previously raised the topic of a partial basement/cellar for a building plot with a 19% slope.
Today, a homebuilder told us that, partly due to the high cost of building materials, it would now be more cost-effective to backfill the slope and then build the house on a slab foundation. This doesn’t quite make sense to me, since the backfill material must be supported somehow, for example, by a concrete wall. The sales representative said no, that the stabilized backfill is simply allowed to slope gradually and then planted, creating a new artificial slope.
What does the expert community in this forum think about this?
Today, a homebuilder told us that, partly due to the high cost of building materials, it would now be more cost-effective to backfill the slope and then build the house on a slab foundation. This doesn’t quite make sense to me, since the backfill material must be supported somehow, for example, by a concrete wall. The sales representative said no, that the stabilized backfill is simply allowed to slope gradually and then planted, creating a new artificial slope.
What does the expert community in this forum think about this?
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fromthisplace25 Apr 2022 21:54HalloClarissa schrieb:
I was already skeptical on my own because the house seller would be selling a larger house with that option as well…What kind of seller is this? A prefabricated house seller? General contractor? Other?
HalloClarissa25 Apr 2022 22:33fromthisplace schrieb:
What type of seller is it? Prefabricated house seller? General contractor? Other?Prefabricated house – turnkey house (we will build a timber frame house)HalloClarissa schrieb:
Prefabricated house – EBK house (we will build a timber frame house) I would reconsider the decision to go with a timber frame house. In my opinion, using solid construction material is more cost-effective for dealing with a slope than combining two building materials. It might work with a standard basement, but a monolithic structure is probably cheaper in this case.
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sergutsch25 Apr 2022 22:5211ant schrieb:
...
By the way, even a relatively shallow slope (which I don’t even see here) doesn’t hold on its own...A fill can definitely remain stable on its own when applied professionally and compacted in layers. Easily compactable soil is often readily available because many civil contractors don’t know what to do with it, and even more property owners greatly want to save on expensive landfill fees.
On our property, we placed and compacted around 700 cubic meters (920 cubic yards) of fill. This saved us about $90,000 on the basement.
HalloClarissa26 Apr 2022 08:24sergutsch schrieb:
A fill will definitely hold on its own if it is properly applied and compacted in layers. Suitable compactable soil is easy to get, as many civil engineers don’t know what to do with it, and even more homeowners are eager to save expensive landfill fees.
On our property, we added and compacted about 700 cubic meters (920 cubic yards) of fill. This saved us roughly $90,000 on a basement. Unfortunately, I can’t send you a private message. So here are my questions:
Did you also create a slope with the fill?
How did you stabilize the slope afterwards?
Could you please provide me with a photo?
Thank you very much
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