Transforming Drainage

Module 4: Subsurface Drainage Design – Advanced

A component of the course “Filling the Pipeline: Agricultural Drainage Education to Meet 21st Century Water Management Needs”

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Instructor: Dr. Richard Cooke, University of Illinois
Overview: This module discusses quantitative aspects of subsurface drainage design, including drain spacing and depth, developing a layout, determining grades and depth, and pipe sizing. It also introduces the Illini Drainage Tools for facilitating the layout of a drainage system.

Zip file of contents

Outline, PowerPoint, Homework

Learning Objectives:

After completing this module, students will be able to:

  1. Determine drain spacing and depth to meet various objectives
  2. Calculate pipe flows and capacity in various situations
  3. Be familiar with online tools that can be used to make design decision, including the Illini Drainage Tools

Step by Step Guide to Complete the Module:

  1. Watch Video 1: Drainage System Design and Layout
  2. Watch Video 2: Pipe Sizing Tool and Calculating Pipe Flows
  3. Complete the Homework
  4. Watch Video 3: Introduction to the Illini Drainage Tools

Optional Readings

  1. USDA Natural Resources Conservation Service Conservation Practice Standard (CPS) Code 605 for Denitrifying Bioreactors. Available at: https://www.nrcs.usda.gov/sites/default/files/2022-09/Denitrifying_Bioreactor_605_NHCP_CPS__2020.pdf
  2. Christianson, L., K. Addy, A. Gold, and L. Schipper. 2018 Woodchip Bioreactors: A science-based option to reduce nitrate loss. University of Illinois Extension, Urbana, Illinois (2-pg factsheet). Available at: http://draindrop.cropsci.illinois.edu/wp-content/uploads/2019/12/Christianson-et-al_2018_Woodchip-Bioreactor_2pg-Factsheet.pdf

 

 

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This material is based upon work that is supported by the National Institute of Food and Agriculture, U.S. Department of Agriculture (award number 2018-70003-27661). Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.

Project Funding

This material is based upon work that is supported by the National Institute of Food and Agriculture, U.S. Department of Agriculture, under award number 2015-68007-23193, “Managing Water for Increased Resiliency of Drained Agricultural Landscapes.” Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.

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