Re: ATM Lawn "piles"

[Adam Perkins <scopeguru@yahoo.com>]

> When making things like this in the north where the
> earth spends some time
> frozen, you need to do things in a certain way or
> the product of your work
> just comes out of the ground after a few years. 


Yeah,

Frost heave can be a problem, although here down South
the frost depth is about 1/2".  Ideally, the concrete
should extend past the bottom of anything smooth (like
the pipe discussed earlier) to give it some "bite" on
the ground in an area below the frost line.

Good point Bob.

Adam Perkins
Covington, Louisiana
USA 


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