Raised decking post foundation

Skan · 21 Jun 2005

Hi

I am considering a raised decking on a VERY sloping garden. the gradient is 1.0m rise to 2.0m length.
The soil is clayey.

How to construct teh foundation for the posts. say the post above ground have to be around 1.5m.

Q1) How far should I dig for a 100x100 post?
Q2) How big the size of hole?
Q3) What or details to the construction please?
Q4) If planning asy posts at 1.2m apart on the front elevation, and how far should the next row of posts?
Q5) Any other support needed?

Q6) Any suggestion/advise will be appreciated.

Thanks

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Raised decking post foundation

Skan

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