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staff 03-22-2013 05:49 PM

High water table footings
 
My building is going to be 40'x45' on 10' concrete walls 10" wide above ground i live by a lake so the water table is high. how wide and deep should the footings be to support the walls

joecaption 03-22-2013 05:57 PM

The building inspector or the person that's going to doing the foundation should be able to tell you this.
No way any stranger on a website that's never been there should be telling you the depth or width.
If you need to be asking this then you should not be building your own foundation.
Done wrong and the rest of the house is doomed.

staff 03-22-2013 06:07 PM

Thanks Joecaption just trying to find out if the contractor is filling me with BS

joecaption 03-22-2013 06:15 PM

What did he suggest?

staff 03-22-2013 06:18 PM

Quote:

Originally Posted by joecaption (Post 1143287)
The building inspector or the person that's going to doing the foundation should be able to tell you this.
No way any stranger on a website that's never been there should be telling you the depth or width.
If you need to be asking this then you should not be building your own foundation.
Done wrong and the rest of the house is doomed.

Thanks Joecaption just trying to find out if the contractor is feeding BS

staff 03-22-2013 06:21 PM

Quote:

Originally Posted by joecaption (Post 1143315)
What did he suggest?

12"wide x 30" deep

joecaption 03-22-2013 06:32 PM

Makes no since to me to have them that narrow and so deep but wait until som of the concrete guys chime in.
The wider the foot print the less it's going to sink.
No idea why that depth is needed.
I also live in a low laying area right on the bay and for a single store we have 8" deep X 24" footing with three pieces of rebar even for a two story.
But hay I'm not a full time concrete guy.

staff 03-22-2013 07:08 PM

Quote:

Originally Posted by joecaption (Post 1143339)
Makes no since to me to have them that narrow and so deep but wait until som of the concrete guys chime in.
The wider the foot print the less it's going to sink.
No idea why that depth is needed.
I also live in a low laying area right on the bay and for a single store we have 8" deep X 24" footing with three pieces of rebar even for a two story.
But hay I'm not a full time concrete guy.

Thanks again He said it was a frost free footing It gets cold here in Missouri


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