ᐅ Generating Ideas for Material Reduction

Created on: 26 May 2014 12:55
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andreas.delgaldo
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andreas.delgaldo
26 May 2014 12:55
Hello,

I would like to briefly introduce myself and my house project. We are building a 1.5-story detached single-family house without a basement and with a carport in the Rhine-Neckar area—so far, nothing special.

Since our building site is still being developed, we have now learned that we need to raise and compact the ground level of the plot to street level with about 450 cubic meters (cbm) of soil. As the building permits/planning permissions have already been approved, we are now considering how to reduce the amount of fill material without incurring significant additional costs.

At first, this obviously suggests having a basement. However, since we do not want to pay the extra costs for a basement and also do not want to start the building design over again, this option is out of the question.

We are now thinking about possibly only having a basement under the carport. Probably, this would only require an addendum to the building permit/planning permission. How practical is this, and is it possible from a structural stability point of view? Does anyone have experience with basements under garages or carports?

What other alternatives do you see to reduce the amount of fill material needed?

Thank you very much for your help and experience reports.
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Wastl
26 May 2014 14:29
I don’t understand:
1. Building permit approved
2. Authorities set heights (street level)
3. Raising the ground?
Normally, the process is that the authority FIRST sets the height in the development plan / zoning plan – THEN the building permit application follows.
So you should have been able to decide / had to decide how to build back then.
Why is the ground level being adjusted afterwards?
Have you already done a soil investigation? Maybe you will have to purchase load-bearing material anyway – then it wouldn’t matter.
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andreas.delgaldo
26 May 2014 15:31
No height was specified in the development plan.

We have not yet conducted soil surveys.
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Doc.Schnaggls
26 May 2014 15:43
No height specifications in the development plan? 🤨

That hardly seems possible...

Which federal state are you planning to build in?
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andreas.delgaldo
26 May 2014 15:49
BaWü
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Doc.Schnaggls
26 May 2014 15:55
Ok, interesting.

How does the development plan define the maximum eaves height and ridge height, as well as the height of the finished floor level?

There must be some reference point, especially in relation to the currently required (retrospective) filling?