The Geotech Engineer recommended subdrains 10'-OC for a mat foundation, a total of 11 drain tiles running beneath the building. The drain, as specified by the Structural Engineer, to extend 5' from the building. As this building is recessed into a hillside, three sides of the buildings are...
I am preparing drainage plan for a park located on a hilly part of town. There is an existing path/walkway with a 6" on the lower side and a hilly lawn/grass area on the upper side. There is an existing grassy swale on the hillside next to the path. Unfortunately, the swale has multiple muddy...
