On 03/12/2016 13:37, The Natural Philosopher wrote:
On 03/12/16 13:20, rick wrote:

IN places on site I have dug down about 1.5m installed drainage crates

They help ... but as ground does not drain, not perfect.
Just doing this job now to improve SWMBO flowerbeds.

Just put a dozen holes in about 2' deep and filled with sharp sand
........ while this may not be perfect it may help.

Main thing is improving soil condition ... ground is built up at least
20' ....so no way to dig down to good soil.