help with road base under pavers

[juliank1]

Sorry if this is off topic but posting for the first time and these forums seem to cover everything. Advice on where to post properly gladly received.
We are laying concrete pavers spaced with rocks from the back of our house to the garden. Loose rock will go in between them. There's only about 10 pavers over 6-7 metres with a path about a metre wide. We dug a hole about 20cm close to the house and stepped it out to about 50cm further out because this area usually floods as the back garden slopes slightly towards the house. We thought this would help with drainage. We also did the 2:100 slope on the road base to fill in the hole. Long story short, kids were playing with hose, water builds up, all of a sudden our road base is moving all over the place on top. Don't want to pay for compactor hire. It's a small space, can we do it cheaply some other way. And will the compactor actually fix the problem of movement.
thanks

[Big Shed]

Julian, you will be better off posting that question on our sister forum

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