Factors to consider
- Drain depth
- Drain spacing
- Outfall availability and gradient
- Drain diameter
- Use of permeable backfill
- Site
To install a comprehensive field drainage system it is essential to employ a specialist land drainage contractor with access to specialist machinery that can install and backfill drains rapidly.
To find out more have a look at the ADDB Field Drainage Guide which looks at the principles, installation and maintenance issues.
http://cereals.ahdb.org.uk/media/725158/g68-ahdb-field-drainage-guide.pdf
