Step foundations using existing foundation


Postby diyanthony » Wed May 20, 2009 7:45 pm

I'm building a garage on an incline. 1. Must foundation be level or can I follow grade under frost line? 2. Can I step foundation starting under existing foundation up to new foundation pour? Note: All pours under frost line w/ req requiring 1' x 1' foundation. I hav illustration of scenerio. Let me kno, and I can send. [/img]
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Postby stoneyboy » Thu May 21, 2009 9:30 pm

diyanthony,
Provided the sub soil is suitable you can step the foundations.
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Postby diyanthony » Fri May 22, 2009 6:21 am

Still dont kno if foundation hav to b level or could the foundation follow the incline of a hill of course below frost line???
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Postby stoneyboy » Fri May 22, 2009 6:30 pm

diyanthony,
Yes the foundations can follow the incline but they must be a series of level steps.
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Postby diyanthony » Wed May 27, 2009 8:03 pm

[quote="stoneyboy"]diyanthony,
Yes the foundations can follow the incline but they must be a series of level steps.
end[/quote]

As a rule, w/ a 1' x 1' foundation, the lenght of the overlap has to b as least the height of the foundation which in this case 1 ft. I may hav to do serveral overlaps....is that ok???
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Postby stoneyboy » Fri May 29, 2009 8:48 pm

diyanthony,
You can have as many steps as you like but the more steps the more concrete is used because of the overlaps.
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