Drainage for gutter downspout roof water that drains too close to the foundation walls of a home with bad grading. Underground drainage piping pitched and gravity draining water to a lower elevation area so water can drain to the surface of the ground through a mitered surface drain fitting. Surface drain also used for draining foundation french drain water, underground sump pump drain pipes, and other drainage systems. Foundation drainage in Albany, Schenectady, and Capital District NY.