Hello,
about two weeks ago, the footing slab for our house was poured. Overall, the work seemed very clean and solid, as far as I can tell. This week, the masonry work on the ground floor started. During this, it was discovered that the formwork for the footing slab was not properly squared. As a result, on one gable side, the footing slab slightly protruded below the masonry. The overhang increased along the width of the house from 0 to about 6cm (2.4 inches).
Now the general contractor has chiseled away the overhang along the house width. The reason given was that otherwise the insulation would not fit. The background is that we are also having brick cladding. The bricks will rest on a frost guard approximately 80cm (31.5 inches) deep.
Where the footing slab was chiselled away, the reinforcement is partially exposed. How should this be assessed? Is it sufficient to coat it with bitumen waterproofing?
about two weeks ago, the footing slab for our house was poured. Overall, the work seemed very clean and solid, as far as I can tell. This week, the masonry work on the ground floor started. During this, it was discovered that the formwork for the footing slab was not properly squared. As a result, on one gable side, the footing slab slightly protruded below the masonry. The overhang increased along the width of the house from 0 to about 6cm (2.4 inches).
Now the general contractor has chiseled away the overhang along the house width. The reason given was that otherwise the insulation would not fit. The background is that we are also having brick cladding. The bricks will rest on a frost guard approximately 80cm (31.5 inches) deep.
Where the footing slab was chiselled away, the reinforcement is partially exposed. How should this be assessed? Is it sufficient to coat it with bitumen waterproofing?
K
Knallkörper7 Aug 2016 21:28Yes, that’s what the site supervisor said.
I will get in touch tomorrow and insist that the slab is properly repaired. There seem to be numerous options, ranging from corrosion inhibitors to shotcrete repairs. I have done some research on this. I will report back on what the general contractor’s manager says. In any case, I will not accept the slab as it is. Our contract states “according to the applicable technical standards,” etc. The concrete cover thickness is specified in a DIN standard. I don’t think I need an expert yet, as I now consider the situation quite clear.
Regards!
I will get in touch tomorrow and insist that the slab is properly repaired. There seem to be numerous options, ranging from corrosion inhibitors to shotcrete repairs. I have done some research on this. I will report back on what the general contractor’s manager says. In any case, I will not accept the slab as it is. Our contract states “according to the applicable technical standards,” etc. The concrete cover thickness is specified in a DIN standard. I don’t think I need an expert yet, as I now consider the situation quite clear.
Regards!
B
Bauexperte8 Aug 2016 10:13Knallkörper schrieb:
I don’t need an expert (yet), that’s how clear the situation seems to me now.There it is again, the overconfidence.What if your building expert tells you that “measure xyz” complies with the applicable state-of-the-art standards for the existing damage? Then you’re the last one to know!
I don’t understand what’s so difficult about involving someone who knows about this?
Regards, Bauexperte
K
Knallkörper8 Aug 2016 10:16Hello,
Building expert, you are biased – I understand that.
The general contractor agreed today to clean the damaged area, apply corrosion protection, and then repair it using PCC concrete replacement.
Building expert, you are biased – I understand that.
The general contractor agreed today to clean the damaged area, apply corrosion protection, and then repair it using PCC concrete replacement.
B
Bauexperte8 Aug 2016 10:22Knallkörper schrieb:
Bauexperte, you are biased. I understand that.Too long in the job, that’s more accurate; there isn’t much I haven’t experienced yet.Knallkörper schrieb:
The general contractor has agreed today to clean the damaged area, apply corrosion protection, and then repair it using PCC concrete replacement.I would like to hear a comment here from someone who is knowledgeable about this.Best regards, Bauexperte
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