Pipe drain
Revision as of 21:59, 22 July 2007 by Kdanneberger (talk | contribs)
1. Any of a number of types of installed drain system, including Subsoil pipe drain, Interceptor drain and Trackside sand drain.
This picture shows pipes of varying size and shape.
Source: http://www.ecy.wa.gov/programs/sea/pubs/95-107/components01.html