I did lower the blocks manually, for the size of the blocks it was faster than rigging them and letting the groundie lower it. Plus the slope of the bank would make this much more difficult for my groundie. Plus my wife was my groundie that day and I had to be nice. Just threw it over my lap, that's another reason I like my solid wire cable lanyard.
That was a small green-belt backing on to private property, there are more houses on the other side at the top of the bank. I'd guess at least 40-50 percent of the houses on the North Shore have some type of green-belt and the rest just have lots of trees in their yard. The tree was municipal and was coming down because of root-plate movement due to the winds we had in December.
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Trimmin' bush and caring for flowers is good 'n' all...
but sometimes ya gotta let the big wood fly and pound the garden.