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Old 01-04-2010, 10:03 PM   #1
 
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foundation question


Question: Concrete footers with simpson anchors for 6x6 attatchment, or 6x6 set on gravel base and then backfilled with gravel. Foundation is for 2400 sq' home with 12' porch all around. Uplift will be a concern
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Old 01-04-2010, 10:09 PM   #2
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Where are you? - More details will help.

What does the designer require for the home?

With any real wind, it will be difficult to provide anchorage without some substantial mass below grade.
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Old 01-05-2010, 06:26 AM   #3
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Might work for the tropics, would never work here, mid atlantic. Frostline is 30"
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Old 01-08-2010, 05:49 PM   #4
 
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hey concretemasonry, I am located in southern illinois. frostline is 20" around here. I was wondering if 6x6 could be set in concretre if i wrapped in a poly barrier or wrapped in expansion joint material. i have built many buildings but not here, recently moved here from florida and this area is nothing i am used to.
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Old 01-08-2010, 05:55 PM   #5
 
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also what about camfer cutting the corners of the 6x6 to allow for drainage?? would this be possible?? i have very good drainage here, sit on top of a hillside that runs down to a bottom, probably 30' elevation change in good clay soil
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Old 01-08-2010, 06:00 PM   #6
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thats alot of posts and healthy footings for that size
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Old 01-08-2010, 06:05 PM   #7
 
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Yeah i had it figured at 42 posts and footers just for the house part not including the porches
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Old 01-08-2010, 06:06 PM   #8
 
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Am i crazy for this idea, should i proceed or regroup and go with a traditional stem wall footer combo
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Old 01-08-2010, 06:15 PM   #9
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I would price poured walls vs footing w/ block vs posts w/ footing and your labor
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