At 6:15am it looked like this .... just a pile of nicely compacted sand
And then away they went. It was all over by 11:30am.
And here's the "action" side - ladder, hatch, and all the inlet and outlets. We're just filling to the warranty required level from the bore for now, until we get the gutters plumbed in, the pump moved and the piping sorted.
The nice thing is that I can now say with some degree of truth that I have a water view from my kitchen window!!