Trackside sand drain
Revision as of 22:04, 22 July 2007 by Kdanneberger (talk | contribs)
1. A pipe drain installed along the inner circumference of a running track to drain both the track surface and the enclosed field area; perforated pipe is laid in a trench and covered with gravel, then the trench is filled to the surface with 4" to 6" of coarse sand.
The drain is being installed for a new track.
Source: http://www.onekama.k12.mi.us/h2003/new.track/