ᐅ Bathroom drainage, number of downpipes, prefabricated wall systems, etc.

Created on: 17 Aug 2015 22:48
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Bieber0815
Hi, I would gladly learn about completed building projects! Could you roughly describe your bathrooms in terms of
- Length and width of the floor area
- Arrangement of bathtub, shower, washbasin, toilet in the room (top left/bottom right ...)
- Number and position of soil stacks, including their layout in the room below
- Ventilation through the roof — boxed-in sections, where and how large
- Use of stud walls.

Background: I am planning my own bathroom and want to understand how washbasin, bathtub, and shower drainage are handled ... routed through the suspended ceiling? Below the ceiling (ceiling of the utility room)? Separately via soil stacks (corners of the utility room)? I am not sure and would like to be better prepared for future discussions and learn about some practical examples.
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Bieber0815
18 Aug 2015 20:58
Jochen104 schrieb:
Why shouldn’t we be able to reach the toilet without getting our feet wet?

Because you have to walk past the shower and bathtub. However, I don’t expect any real problems, so don’t worry.

Attached is the current layout of our bathroom. The shower is planned to be 120 cm deep (47 inches), which is different from what is shown in the plan.

Floor plan of a bathroom with toilet, sink, and shower, dimensions visible
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Sebastian79
19 Aug 2015 16:31
What exactly is supposed to be problematic about downpipes in the exterior wall? Especially structurally? There is a gap of about 15cm (6 inches) – which of course has to be taken into account in the structural calculations.

We have two stub openings for wastewater in the basement and one gap from the ground floor to the upper floor where the ventilation pipe is located – oh, and also a downpipe opening in a garage wall.

You can’t always direct all drainage and ventilation inside, after all...
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user-d29
19 Aug 2015 16:45
Our structural engineer has classified these slots in the outer load-bearing walls as prohibited, and the architect agrees.
And, everything can be easily drained inward—where there’s a will, there’s a way.
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Sebastian79
19 Aug 2015 16:50
There was no chasing done at all in our case...

And this has nothing to do with willingness – I don't want a boxed-in soffit. It might also be because we built with real stone.
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Bauexperte
20 Aug 2015 00:05
Good evening Sebastian,
Lexmaul79 schrieb:

Stummellücken
What is that supposed to mean?

Regards, Bauexperte
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Bauexperte
20 Aug 2015 00:05
Lexmaul79 schrieb:

because we built with real stone

And what exactly is a "fake" stone...?

Regards, Bauexperte