"jloomis" wrote:

Client wants a tree house built, and not attached to trees.......
This is a simple 1" to 1ft. scale model of a prototype.
Also the Redwoods are very dense, and I cannot dig a footing,
so I may have to put in a slab of concrete.....or post type
anchors......???
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Think I would use Sonotubes as a form and pour pole anchors
rather than a slab.

Do you have to concern yourself with a frost line?

If so, Sonotubes eliminate the problem as well as make setting
anchors straight forward.

Looks like a neat project.

Lew