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When houses were built in my neighborhood 25 years ago in upstate NY, no codes for sump discharge existed. Builders just connected sump discharge to waste water pipe in basement. Now I assume the preferred discharge is to go through foundation (or retro out through floor decking on top of foundation) down into the ground below freeze line sloping down to the storm drain.
I have seen a retro in the adjacent neighborhood where basically a trench is dug in the side yard and discharge piping is run out to storm drain. I assume this should all be done by professionals? Cost?
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