"Danny Monaghan" wrote:
Just about to take delivery of an Intex 15' diameter above ground pool -
one of the metal frame and liner type. As the garden slopes, I need to
create a level decking to sit the pool on.

I fear it may be time to consult a structural engineer. I wouldn't
even consider putting a pool of that size on a deck, but then I'm
not a structural engineer. Think about the consequences if the
deck collapses and someone/something is on the wrong side of it.

Al