1. Maintaining Subsurface Drainage Andrew Leonard TSM 352

2. The 5 Pillars of an Effective Subsurface Drainage System* 1. Quality Materials 2. Proper Design 3. Proper Installation 4. Compatible Land Management Practices 5. Regular Inspection and Maintenance

3. Materials  Metal or plastic pipes  Envelope/Filter  Fittings  Risers

4. Proper Design  Should be carried out by a professional  Minimal maintenance

5. Proper Installation  Licensed Drainage Contractor  Have a plan  Document the process

6. Blinding  Provides Protection during backfilling  Maintains alignment  Provides support for the tubing

7. Example of Blinding

8. Crushed Pipes

9. Compatible Land Mgmt Practices  Topography  Soil Type  Slope  Weather  Type of activities

10. Regular Inspection & Maintenance  Inspect the system  Clean inlets/outlets  Make repairs  Control plants and rodents

11. http://www.wq.illinois.edu/dg/ http://www.extension.iastate.edu/agdm/wholefarm/html/images/c2-90fig2.gif http://www.wq.uiuc.edu/dg/subsurface.htm http://www.mdvaden.com/images/Drain_Pipe_Roots_300.jpg http://www.fhwa.dot.gov/pavement/images/d03.jpg http://www.fhwa.dot.gov/pavement/images/d04.jpg http://www.omafra.gov.on.ca/english/engineer/facts/13-037.htm http://www.tgdrains.com.au/userimages/2013-04-18%2014.30.reduced.jpg http://books.google.com/books?id=g61UIupnjMAC&pg=PA97&lpg=PA97&dq=drainage+pipe+blinding&source=bl&ots=FdUqPBsrgn &sig=79lejATYjKfC8IVFQUFRBl7WxOg&hl=en&sa=X&ei=SDheU476JuaayQGIyICYBw&ved=0CGUQ6AEwCA#v=onepage&q=drai nage%20pipe%20blinding&f=false http://books.google.com/books?id=GAuiHaVm0ewC&pg=PA63&lpg=PA63&dq=subsurface+drainage+blinding&source=bl&ots=TDb 4bGMPl4&sig=9BGtmpsXUFczQGQgOKmcvXyS5Qo&hl=en&sa=X&ei=eDdeU6WaLaLXyAG66YHIDQ&ved=0CEIQ6AEwAg#v=o nepage&q=subsurface%20drainage%20blinding&f=false http://admcoalition.com/what-we-do/what-is-admc/ http://www.ag.ndsu.edu/news/newsreleases/2007/aug-30-2007/managing-subsurface-water-in-the-field-can-pay-off/2007-08- 30.6385532532/image http://www.extension.iastate.edu/agdm/wholefarm/html/c2-90.html http://www.ars.usda.gov/is/AR/2013/oct13/water1013.htm CREDITS