ᐅ Building a Living or Hobby Basement Underground – What to Consider?
Created on: 3 Jan 2018 10:43
A
abc12345
Hello everyone,
We are currently planning our outdoor area and want to build a hobby room underground.
On top of it, there will be a layer of soil so grass and flowers can grow, as well as a garden shed that will be used as a sauna.
The room should be completely embedded in the ground and covered with soil.
The dimensions are planned to be 4x5 meters or 4x6 meters. Heating and electricity will be supplied from the main house, which is not a problem.
My question is what should be considered here. I want to build it myself and I am quite handy.
So I have some basic questions like:
Thickness of the base slab?
30 cm (12 inches) masonry with hollow concrete blocks, or other materials/thickness?
Waterproofing on all sides against cold and moisture?
How to build the ceiling?
Entrance maybe next to the sauna?
Light should come into the room through a wide window with a light well, or on the opposite side, underwater in the adjacent pond through a glass panel.
I hope you can provide information, help, and tips to make this project possible.
I have already looked online without success for similar projects but found nothing. Unfortunately, I only find information about underground cellars for storing fruits and vegetables.
Attached is an amateur sketch to illustrate the whole idea.
Best regards
We are currently planning our outdoor area and want to build a hobby room underground.
On top of it, there will be a layer of soil so grass and flowers can grow, as well as a garden shed that will be used as a sauna.
The room should be completely embedded in the ground and covered with soil.
The dimensions are planned to be 4x5 meters or 4x6 meters. Heating and electricity will be supplied from the main house, which is not a problem.
My question is what should be considered here. I want to build it myself and I am quite handy.
So I have some basic questions like:
Thickness of the base slab?
30 cm (12 inches) masonry with hollow concrete blocks, or other materials/thickness?
Waterproofing on all sides against cold and moisture?
How to build the ceiling?
Entrance maybe next to the sauna?
Light should come into the room through a wide window with a light well, or on the opposite side, underwater in the adjacent pond through a glass panel.
I hope you can provide information, help, and tips to make this project possible.
I have already looked online without success for similar projects but found nothing. Unfortunately, I only find information about underground cellars for storing fruits and vegetables.
Attached is an amateur sketch to illustrate the whole idea.
Best regards
ypg schrieb:
I always think of stories like Kampusch when someone is planning something undergroundHello ypg
you might have your reasons. I can understand wanting a panic room. But something like that right away? The word paranoia comes to mind. However, it is actually quite common in a nanny state.
Steven
Steven schrieb:
Hello ypg
you might have some thoughts.
A panic room, okay, I can understand that. But something like this right away? The word paranoia comes to mind. But that is actually quite common in a nanny state.
StevenThis is not paranoia; such things come with the job.
And somewhere the split personalities are waiting for their chance… meanwhile, an underground shelter is being built… huarrrrrh [emoji12]
@Steven
That sounds really interesting. I will gladly take you up on your offer and get in touch with you via private message.
I don’t need to transport the excavation material either. I plan to use some of it to level the plot anyway, so it will all be put to good use.
As for the rest,
It’s going to be a fitness room. The garage currently used for that will need to be cleared out because my wife wants to park her car there in the future.
It will be underground because although there is enough space and land to build above ground, I feel that an above-ground “block” would spoil the overall appearance. It could be placed behind the garage where there is still enough space, but that area is already planned for a barbecue spot, so then the question would be how to make it look nice architecturally.
In fact, we have four floors of living space (including the basement and attic), but all rooms are already occupied and not suitable for a fitness room. For me, fitness doesn’t mean just a treadmill and a couple of dumbbells—it means proper strength training with heavy weights. The ceiling can’t support that.
Unfortunately, the basement only has a ceiling height of 2.10m (6 feet 11 inches), which is not enough for training equipment and various exercises.
So, no split personality or anything like that.
That sounds really interesting. I will gladly take you up on your offer and get in touch with you via private message.
I don’t need to transport the excavation material either. I plan to use some of it to level the plot anyway, so it will all be put to good use.
As for the rest,
It’s going to be a fitness room. The garage currently used for that will need to be cleared out because my wife wants to park her car there in the future.
It will be underground because although there is enough space and land to build above ground, I feel that an above-ground “block” would spoil the overall appearance. It could be placed behind the garage where there is still enough space, but that area is already planned for a barbecue spot, so then the question would be how to make it look nice architecturally.
In fact, we have four floors of living space (including the basement and attic), but all rooms are already occupied and not suitable for a fitness room. For me, fitness doesn’t mean just a treadmill and a couple of dumbbells—it means proper strength training with heavy weights. The ceiling can’t support that.
Unfortunately, the basement only has a ceiling height of 2.10m (6 feet 11 inches), which is not enough for training equipment and various exercises.
So, no split personality or anything like that.
Webmaster-uk schrieb:
That does not support a ceiling.What kind of intermediate floor is that? Every partition wall is heavier than your weight plates.
A standard concrete ceiling. I assumed it would exceed the load that a ceiling can support. Weight plates on the rack, including the bar with weights, occasionally exceed 400kg (880 lbs).
However, this does not change the fact that there is no space available for this in the living areas, as they are already used for other purposes.
However, this does not change the fact that there is no space available for this in the living areas, as they are already used for other purposes.
I think this is a ridiculous idea. The terms for floor area ratio and plot ratio might apply neutrally since it's underground, but it is by no means exempt from approval. Essentially, it’s comparable to a double garage with earth load, and therefore it is at least not cheaper than one; additionally, to be approved for occupancy at all, it requires ventilation like in an underground garage, escape routes, and so on. And it is almost certainly the first case of this kind in the entire district office area. Local rumors even associate it with cases like Kampusch or Fritzl.
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