Oldestguy, I appreciate your insite. I am new to the ins and outs of building perimeter drains. In my journeys to gather information I came across a paper that I would like to get some feedback on.CHANGES IN ENTRANCE RESISTANCE OF
SUBSURFACE DRAINS By Walter J. Bentley ~ and R. W. Skaggs 2. This...
Oldestguy, sounds like a French Drain to me. Henry Flagg French Published a book in 1859, "Farm Drainage
The Principles, Processes, and Effects of Draining Land with Stones, Wood, Plows, and Open Ditches and Espcially with Tiles< Including Tables of Rain-Fall, Evaporation, Filtration...