Pipe drain
Revision as of 12:41, 14 June 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