I'm looking advice on removing a large raised patio approx 19ft by 11ft it was raised at the front to level with the house as garden ran in a downward slope, the garden before had an old pavement so this is still there quarry dust was put on top of the old pavement and was wet to compact b4 laying new slabs how difficult will it be to remove the quarry dust will it be impossible to do by hand due to compaction and size is this best left to professionals and if so how much could I expect to pay for that size thank you
