ᐅ Removing a wall – Could there be structural issues?

Created on: 8 Oct 2018 09:06
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nilipili
Hello, I want to remove a wall. I know people who have an identical house and have already taken out this wall. It is also "only" an 11.5cm (5 inches) wall, but I still wanted to ask. The wall I’m pointing to on the floor plan. There is already some kind of beam present (pos. 10 in the structural calculations).

Well, please take a look at the photos. I’m looking forward to your assessment.

Maybe a few more details and questions from my side. This might help you further.

1. The walls on the floor above are definitely non-load-bearing and are only built with about 7cm (3 inches) Ytong blocks. Above that is just the attic with a wooden beam ceiling, which is supported by the roof structure.

2. Our house is one of about 70 identical terraced houses in this development, and I personally know at least 5 where this living room wall has already been removed without any problems. Since I don’t put much weight on that and am a bit cautious, I’m asking here again.

3. I removed some plaster and saw that it is not a steel beam but some kind of continuous reinforced concrete lintel or something similar.

Questions:

4. Do you need any other documents?

5. In this floor calculation, are fields 2 and 4 also two separate ceiling/floor elements in reality, or is this just divided into two sections for calculation purposes?

6. What does this dashed line between fields 2 and 4 mean?

7. What worries me most is the end of the wall because it is built like a small T directly under the beam in the living room. Is this beam still supported by that T section, or does it actually rest only on the exterior walls? My guess is that the T section is just supporting the door lintel between the hallway and the living room. Could that be correct?

8. Why is the wall at position 10 not drawn at all on the roof structure plan (page 18), and only this kind of beam is shown at the ceiling level?

Handschriftlicher Erdgeschoss-Grundriss mit Maßen und Beschriftungen


Handschriftliche Baupläne mit Fenstersturz im Wohnzimmer und Rohbau-Bemessung


Architektur-Plan zeigt Erdgeschoss- und Kellergeschoss-Grundrisse eines Hauses.


Historischer Bauplan eines Hauses mit Dachkonstruktion und Fundamenten, Positionsplan


Detaillierter Hausgrundriss mit Erdgeschoss, Dachgeschoss, Keller, Küche und Wohnzimmer.
11ant8 Oct 2018 22:48
lastdrop schrieb:
In short: Ask the structural engineer

This is also the summary advice from the green forum :-)
https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/
H
HilfeHilfe
9 Oct 2018 07:28
Give it a try and see what happens *warning: ironic layman’s opinion*
L
Lumpi_LE
9 Oct 2018 08:49
As a structural engineer, I know that I am personally liable for my response. Therefore, no sensible person will give you an answer offhand.
The answer seems very straightforward, but the structural design is 50 years old, so who knows what might have happened since then.
Hire a structural engineer who will inspect the site in person and give you an answer. If everything is as shown in the plans, it will cost you around 200–300€ (approximately $220–330).
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nilipili
9 Oct 2018 10:47
Maybe just one fundamental question for clarity. That would help me a lot.

If the beam in the living room runs completely from exterior wall to exterior wall (which I can check by tapping on the plaster), is it still possible that this beam is supported elsewhere?
M
miho
9 Oct 2018 11:53
nilipili schrieb:
Maybe just one basic question for better understanding. That would really help me.

If the beam in the living room runs completely from one exterior wall to the other (I can verify this by tapping the plaster), is it still possible that this beam is supported somewhere else?
Do you mean the actual exterior walls (at the top and bottom of the plan) or the side partition walls next to the neighboring houses?
Of course, it can still be supported there. There are walls underneath after all. Even a continuous beam benefits greatly from support in the middle. So: ask a professional to check this on site. There may also have been changes made after the plan was created.
H
HilfeHilfe
9 Oct 2018 17:15
nilipili schrieb:
Maybe just a basic question for understanding. That would really help me a lot.

If the beam in the living room runs completely from exterior wall to exterior wall (which I can check by tapping on the plaster), is it still possible that this beam is supported at another point?
Go for it and let us know.