After a long wait, we managed to get a detailed quote from a local excavation contractor (two other companies only provided very general prices per cubic meter; all are so busy that new projects are not attractive).
The earthworks, including piping, amount to over 34,000 € net. Demolition of a small garage and the old concrete driveway are also included, costing "only" 5,500 € net.
The company would crush the demolition material (concrete, bricks) to less than 70mm (2.8 inches) and reuse it on our property beneath the topsoil. If we have the material removed, it costs several thousand euros more.
The idea of having fill material beneath the soil makes me uneasy. However, I cannot think of any tangible, rational reason for this.
Or is there one? Could concrete or bricks contain harmful substances, for example?
Thank you for your thoughts on this!
The earthworks, including piping, amount to over 34,000 € net. Demolition of a small garage and the old concrete driveway are also included, costing "only" 5,500 € net.
The company would crush the demolition material (concrete, bricks) to less than 70mm (2.8 inches) and reuse it on our property beneath the topsoil. If we have the material removed, it costs several thousand euros more.
The idea of having fill material beneath the soil makes me uneasy. However, I cannot think of any tangible, rational reason for this.
Or is there one? Could concrete or bricks contain harmful substances, for example?
Thank you for your thoughts on this!
M
Mottenhausen17 Oct 2019 13:35Lucrezia schrieb:
I’m just wondering if having bricks and concrete in the soil could be problematic…No one can really help you well from a distance. Was a lot of lime added? Reinforcement in the concrete? Both are rather unfavorable in a garden.
The best case would be: they wanted to save money back then and the concrete is mostly just sand and gravel anyway.
Bricks are not a bad idea in dry, sandy soils, since the clay holds water like a sponge.
Garage and a bit of driveway sounds to me like, after breaking up, there will only be a small pile left anyway.
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