Hello,
I hope you can help me.
We had a detached single-family house built without a basement in August 2014. The foundation slab, piping, and so on were done by the builder. We moved in in April 2015 and have recently had to carry out a leak test. Unfortunately, we did not pass the test, but we do not yet have any information about whether a seal or pipe might be defective. Of course, the exterior landscaping and so forth is already finished. This means that it is not easy to simply dig up the ground to fix the "damage."
Now the question: Who is financially responsible for fully covering the cost of fixing this issue? Is it just our bad luck, or can we hold the builder responsible? This concern is not only about the excavation and possibly replacing a defective pipe but also about any resulting damage to the terrace, paving, garden, and so on.
I would really appreciate your opinions.
Best regards,
Modjo
I hope you can help me.
We had a detached single-family house built without a basement in August 2014. The foundation slab, piping, and so on were done by the builder. We moved in in April 2015 and have recently had to carry out a leak test. Unfortunately, we did not pass the test, but we do not yet have any information about whether a seal or pipe might be defective. Of course, the exterior landscaping and so forth is already finished. This means that it is not easy to simply dig up the ground to fix the "damage."
Now the question: Who is financially responsible for fully covering the cost of fixing this issue? Is it just our bad luck, or can we hold the builder responsible? This concern is not only about the excavation and possibly replacing a defective pipe but also about any resulting damage to the terrace, paving, garden, and so on.
I would really appreciate your opinions.
Best regards,
Modjo
Hello,
I’m not exactly sure about that. I don’t think moisture is penetrating. According to the test report, the following is stated:
Pipes 30 meters long DN 125 (mixed sewage)
Test duration 30 minutes
Water loss: 3.8 liters
He said that the manager has to calculate that, but he thinks it is too much.
The leak test on the external sewer was okay.
He inspected it beforehand with a camera and didn’t find any "damage." He suspects that some seal somewhere "might" not be seated properly.
I don’t know any more. Is there a way to calculate the limits yourself in this case?
Best regards
I’m not exactly sure about that. I don’t think moisture is penetrating. According to the test report, the following is stated:
Pipes 30 meters long DN 125 (mixed sewage)
Test duration 30 minutes
Water loss: 3.8 liters
He said that the manager has to calculate that, but he thinks it is too much.
The leak test on the external sewer was okay.
He inspected it beforehand with a camera and didn’t find any "damage." He suspects that some seal somewhere "might" not be seated properly.
I don’t know any more. Is there a way to calculate the limits yourself in this case?
Best regards
I found the following calculation and hope my research is correct:
d = 0.125 (DN125)
L = 30 meters (98 feet)
Water loss limit: 0.1 l/m³ (DIN EN 1620 + DWA-A 139)
F = 0.125 × π × 30 = 11.78 m² (127 sq ft)
V = 11.78 × 0.1 = 1.18 liters (1.18 quarts)
According to this (if calculated correctly), the water loss should have been no more than 1.18 liters.
I hope I made a mistake and the limits are actually higher :-(
Best regards
d = 0.125 (DN125)
L = 30 meters (98 feet)
Water loss limit: 0.1 l/m³ (DIN EN 1620 + DWA-A 139)
F = 0.125 × π × 30 = 11.78 m² (127 sq ft)
V = 11.78 × 0.1 = 1.18 liters (1.18 quarts)
According to this (if calculated correctly), the water loss should have been no more than 1.18 liters.
I hope I made a mistake and the limits are actually higher :-(
Best regards
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