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Old 04-01-2008, 11:10 PM   #1
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Help with footings etc


Ok electrician needing some help with add on to house.
Background first:
Building a 26'x33' addition onto my house. Basically squaring off what I have. I am going to be pouring new 8" x 8'? sonotube concrete footings all around the outside, as I do not want to use the existing house to support the new addition. It will be attached of course, but I basically want a indepedant support for the addition.

I am using 2x10 for the floor. I will be putting 3/8 OSB, then 1 1/2 styrofoam to insulate floor then 3/4 T+G for the floor.

I am matching to the existing higher part of the house , which will end up giving me approx 10'6" high room. I am replacing the roof on the existing cottage style with new trusses.

OK, the quick questions. What is the spacing for the footings? Do I put them right on the outside beam edges? What should I have in the middle. I was told that I only require to be 10' apart, but I was wondering if this is adeqate.
Alright, those are them for now. I will have more for sure as this goes on.

Thanks

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Ramjak is offline   Reply With Quote
Old 04-06-2008, 09:45 PM   #2
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Help with footings etc


a couple questions

do you have prints drawn?
what are the loads ?
are your sonatubes siting on footings or pads?
what state are you in?
does the bottom of the joists need to be protected from weather?
what size carriers are you using?

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