Using 4 steel radiator like bands, I replaced a section of underground lawn sprinkler black plastic pipe that runs over a septic drain field. Repair couplers do not leak until i press my foot down ...
Do sub-surface drains (e.g. French drains, rubble drains, etc.) require a uniform rise in the water table in order to work? Or can they catch and convey localized sub-surface water? For instance, ...