How to construct a water seal well using double-wall corrugated pipes
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How to construct a water seal well using HDPE double-wall corrugated pipes? Are there standard tees available for such pipes?
It is sufficient for the bottom of the outlet pipe to be higher than the top of the inlet pipe; a tee is not necessarily required.
That wouldn’t serve as a water seal well, would it? Doing it like that in inspection wells is possible