ᐅ Planning Wastewater Downpipes

Created on: 12 Feb 2017 11:27
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BenutzerPC
Hello everyone,
During the planning meeting with the architect from our general contractor, we discussed the issue of the wastewater downpipes. It seems the downpipes are planned to be surface-mounted. Is that correct? Why aren’t the downpipes, for example, planned to be inside the exterior walls? We have 2 full floors and an attic floor. In the attic, there is a bathroom. A pipe has simply been laid continuously from the top down. This means that, for example, on the 1st floor the pipe runs down the inner side of the house wall, right in the middle, including in the living/dining room. On one hand, this limits possible furniture arrangements (the pipe measures 20 x 20 cm (8 x 8 inches)). Another question: I don’t want to sit in the dining room and hear the toilet flushing.
What are common practices in planning these installations: installing the pipes flush with the wall? Does the downpipe have to run fully vertically, or can it be routed somewhat horizontally on the individual floors, so it can “snake” through the building?
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ypg
12 Feb 2017 14:10
BenutzerPC schrieb:
OK, understood. However, having a soil pipe running through the middle of the dining room is also inconvenient. We are planning a semi-detached house, so the design options are somewhat limited. By the way, we have several soil pipes in our home. I wouldn’t be too concerned about wastewater from the bathtub running horizontally for 1-2 meters (3-6 feet). But you are definitely right about the toilet.

The bathtub drain as well as the washbasin are connected to the main soil stack near the toilet. If your bathroom is located centrally, it’s quite possible that the soil pipe runs along a wall where kitchen cabinets are planned. In such cases, a notch is usually cut out at the back of the kitchen furniture to accommodate the pipe.

If the kitchen is open-plan, the soil pipe can be visually concealed and soundproofed.

Construction companies usually do not prioritize internal sound insulation; their main concern is keeping the build cost-effective.
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BenutzerPC
12 Feb 2017 17:16
toxicmolotow schrieb:
That’s why bathrooms on the upper floor are usually planned above the utility room, the toilet, or a storage room on the ground floor, rather than directly above the living or dining room.

We understand that as well: the bathroom on the upper floor is located above the kitchen. However, we also have a bathroom in the attic, which is planned in the middle of the semi-detached house, directly below the gable, so that on both sides left and right of the gable there are two equally sized children’s rooms. Our planning is complicated because we have to design across three floors.
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toxicmolotof
12 Feb 2017 20:48
I would expect the architect to be capable of doing that. Otherwise, they are failing in their profession. And if they plan a boxing-in in a living or bedroom, I would immediately ask them to use a transparent acrylic tube.