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skybsd
sage
Reged: 02/01/08
Posts: 291
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Re: Questions about Sonotube based piers
07/03/08 02:16 PM
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Hello,
So regardless of which (one / two pour) method used, the base of the sonotube is somewhat above the base of the hole - agreed.
Let's say then that I had catered for 2ft of sonotube being below ground, leaving 3ft as exposed pier. I figured 2 out of the 5ft being used as "foundation" is enough for stability, you see.
How high off the bottom of the 2ft deep hole can I have the sonotube then?
Or should I go deeper (say to 3ft) so that there's 1 foot's worth of concrete below the base of the tube in order to maintain my sunken 2ft stability + 3ft above ground pier?
Thanks again - I hope I'm making sense!
Regards,
skybsd
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