ᐅ Building an End-Terrace House as a Self-Managed Project with a General Contractor
Created on: 27 May 2019 10:48
G
goalkeeper
Hello everyone,
some of you might have already followed one of my threads about us having to or being allowed to build our end-terrace house on our own responsibility – depending on how you look at it. This means that we are buying an end-terrace plot (215 sqm (2315 sq ft)) in a new development area in the Rhein-Neckar district and will be building on it ourselves – but in coordination with our two terrace neighbors.
The municipality, which sold the plots through a local resident model, ideally wanted applicants to apply as a complete housing group with several families and then build accordingly with a general contractor, construction manager, or architect. Of course, that didn’t really work out, so now there are only individual applicants and also homeowners.
After we were awarded the plot, the addresses of the other terrace neighbors were shared to discuss certain matters, such as roof style, whether or not to have a basement, etc. It was immediately clear that everyone preferred to do their own thing. However, we were still able to agree that the housing group will have a gable roof with a pitch of 35 to 40 degrees (within this 5-degree range).
As the end house, we will build without a basement, while the middle house and the other end house will have basements. This obviously presents a challenge as we would have to make a deep foundation or simply skip it, and the middle house would have to support us, as we will start construction first. The current agreement with the middle house is that we will build a deeper foundation at his expense, as supporting our house later on would be considerably more expensive for him.
We are currently close to signing with the construction manager, the notarization appointment for the plot is at the end of June, and we hope to start construction in the fall of this year. Meanwhile, several other freely planned housing groups are being built around us, which might get in the way with their cranes.
I will document the progress here from time to time – such a self-planned terraced house doesn’t come along very often.
some of you might have already followed one of my threads about us having to or being allowed to build our end-terrace house on our own responsibility – depending on how you look at it. This means that we are buying an end-terrace plot (215 sqm (2315 sq ft)) in a new development area in the Rhein-Neckar district and will be building on it ourselves – but in coordination with our two terrace neighbors.
The municipality, which sold the plots through a local resident model, ideally wanted applicants to apply as a complete housing group with several families and then build accordingly with a general contractor, construction manager, or architect. Of course, that didn’t really work out, so now there are only individual applicants and also homeowners.
After we were awarded the plot, the addresses of the other terrace neighbors were shared to discuss certain matters, such as roof style, whether or not to have a basement, etc. It was immediately clear that everyone preferred to do their own thing. However, we were still able to agree that the housing group will have a gable roof with a pitch of 35 to 40 degrees (within this 5-degree range).
As the end house, we will build without a basement, while the middle house and the other end house will have basements. This obviously presents a challenge as we would have to make a deep foundation or simply skip it, and the middle house would have to support us, as we will start construction first. The current agreement with the middle house is that we will build a deeper foundation at his expense, as supporting our house later on would be considerably more expensive for him.
We are currently close to signing with the construction manager, the notarization appointment for the plot is at the end of June, and we hope to start construction in the fall of this year. Meanwhile, several other freely planned housing groups are being built around us, which might get in the way with their cranes.
I will document the progress here from time to time – such a self-planned terraced house doesn’t come along very often.
goalkeeper schrieb:
He roughly explained it to me before: the floor slab will be made as a precast concrete element and will rest on the foundations.
Therefore, no expensive compactible material needs to be filled in between; the excavated soil can be used instead. The backfill no longer supports the floor slab but the foundations.
Once I know the exact implementation, I will gladly explain it here. Sounds like a half-height precast concrete basement without access or windows, and the excavation is also removed or disposed of!
To me, that doesn't sound like 15,000 euros, but I’m happy to be proven wrong.
Zaba12 schrieb:
Foundation at the neighbor’s basement depth? What will happen to the space between the foundation and the top of the finished floor? A wall foundation about 250 millimeters (10 inches) deep, extending along the entire length of the house?
G
goalkeeper19 Sep 2019 12:15Zaba12 schrieb:
Sounds like a half-height precast concrete basement without access or windows, and it will also be excavated or removed!
To me, that doesn’t sound like 15,000 euros, but I’m happy to be proven wrong.I’m pretty relaxed about it. So far, everything our general contractor has proposed has been solid and reliable. Since he has already discussed the matter thoroughly with the structural engineer, he’s probably right, and for 15,000 euros, this will likely be the most reasonable solution for us.
G
goalkeeper19 Sep 2019 12:17ypg schrieb:
A wall foundation about 250mm (10 inches) deep, running the entire length of the house?Let's not speculate any further. As soon as there is a final solution, I will gladly share it here.
M
Matthew0319 Sep 2019 13:08In a parallel universe, @goalkeeper would build on @AnniSke’s plot without a basement, while she would build one here with a basement... and everyone would be happy.
Zaba12 schrieb:
I can already hear the basement calling. I can smell you calling it.
goalkeeper schrieb:
He had roughly explained it to me before: the concrete slab will be made as a precast concrete element and will then rest on the foundations.
Therefore, no expensive compactible material needs to be backfilled underneath; the excavation material can be used instead. The backfill no longer supports the slab, but the foundations do. I don’t see any fundamental difference in structural design between cast-in-place and precast concrete initially (?).
Zaba12 schrieb:
Sounds like a half-height precast concrete basement. Sounds like terracing – with no basement on one side and basement walls on the other side, without any rooms in between :-(
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