ᐅ Building a Retaining Wall in the Garden: Formwork Blocks or L-Shaped Blocks?
Created on: 24 Dec 2023 10:19
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BiffBiff
In the garden, we need to build a retaining wall along 20 meters (65.6 feet). It will have a height of 1-1.2 meters (3.3-3.9 feet) and must hold back the soil on the property. It will only be supporting the garden. No road or building needs to be supported.
1) Which type of wall is more suitable? What are the advantages and disadvantages of a retaining wall with L-shaped blocks versus formwork blocks that are filled with concrete?
2) How should the foundation be prepared? Should it be gravel or a strip concrete foundation (how deep)?
3) What is the approximate cost per linear meter? Does anyone have relatively recent experience?
1) Which type of wall is more suitable? What are the advantages and disadvantages of a retaining wall with L-shaped blocks versus formwork blocks that are filled with concrete?
2) How should the foundation be prepared? Should it be gravel or a strip concrete foundation (how deep)?
3) What is the approximate cost per linear meter? Does anyone have relatively recent experience?
Costruttrice schrieb:
Has the neighbor already carried out the excavation like that? How has it been secured so far? … excavation is clearly regulated in the building code §909, specifying who is responsible for what. We have dealt with this ourselves because we are also on a slope and had to excavate on one side as well (but only 1m (3 feet)). I am familiar with the paragraph, but thanks anyway.
Yes, he has done it, but nothing has been secured there.
A picture is worth a thousand words. In this case, however, the drawing is more informative.
Harakiri schrieb:
... since the forum currently does not allow editing...
Drainage: €37.00 per linear meter
Dimpled membrane: €10.70 per square meter
We will have about 20 linear meters, with an average height of around 1.5 m (5 feet), so similar to your situation.
However, the issue with the neighboring property will definitely make things more complicated and probably more expensive.Which federal state? That seems quite expensive to me. Still, thanks for the information.J
jens.knoedel27 Dec 2023 12:35BiffBiff schrieb:
Yes, he has, but nothing is secured there.Alright then...Once again, the questions:
How will the drainage be handled?
Please upload photos again, by the way. What does the site currently look like? What exactly is the neighbor planning? What have you agreed on together (are you even communicating)? How much space do you have?
Without more information, I’d say: if you want to build a wall now, a) several hundred square meters of land will be basically unusable because it will be a slope behind your wall, and b) if you build a wall, expect to invest a considerable five-figure amount.
But your structural engineer will probably tell you that...
BiffBiff schrieb:
Which state? That seems quite expensive to me. Thanks anyway for the information. Saxony. I can’t say yet whether it’s expensive or cheap; more quotes are expected. Landscaping and garden construction (GALA construction) does not seem to be struggling with a lack of orders here, at least in this region...
BiffBiff schrieb:
A picture is worth a thousand words. In this case, however, the drawing is more meaningful. Whether drawn or photographed is secondary. But there must be some visual material, otherwise it will remain a popcorn thread (and will lose subscribers by the hour).
https://www.instagram.com/11antgmxde/
https://www.linkedin.com/company/bauen-jetzt/
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Costruttrice27 Dec 2023 19:27BiffBiff schrieb:
Yes, he has, but nothing is secured there. 🤨 And don’t you both have any concerns that your plot might slip toward his property?Have you considered building the retaining wall together? You could use 3 m (10 feet) high L-shaped steel angles, plus additional length for embedment depth, and split the costs proportionally.
Right now, you can’t place L-angles, a foundation, or a wall on or next to the demolition edge because there is no stable support.
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