Sneak Peek

Learn more about drainage.

This course provides a very sound understanding of the fundamentals of drainage and flood mitigation. It provides a practical understanding that can be applied to make better decisions and take action which will improve drainage conditions on any site, urban or rural.

Explore the different solutions that can be used to improve drainage and make better decisions for long term sustainable land management.

Whats inside the 'Drainage and Flood Mitigation' Course?

LESSON 1 SCOPE AND NATURE OF WATER MANAGEMENT

• What Needs to be Waterproofed in the Backyard?
• Materials for Waterproofing
• Why Drainage is Important
• Reasons for Drainage
• Lesson 1 Additional Reading
• Review What You Have Been Learning

LESSON 2 WATER MOVEMENT IN SOILS

• The Lateral Movement of Water
• Review What You Have Been Learning

LESSON 3 UNDERSTANDING CAPILLARY ACTION

• Review What You Have Been Learning

LESSON 4 MANAGING WATER AT THE SOURCE

• Rainfall
• Rainwater Harvesting
• Stored Water – Dams, Reservoirs, Tanks
• Diverting Storm Water
• The Water Table
• Leaks
• Review What You Have Been Learning

LESSON 5 MANAGING SURFACE DRAINAGE

• Types of Surface Drainage Systems
• Surface Drainage
• Lesson 5 Additional Reading
• Additional Suggested Tasks
• Review What You Have Been Learning

LESSON 6 MANAGING SUB-SURFACE DRAINAGE

• Improving Soil Drainage
• First decision: subsurface or surface drainage?
• Types of Subsurface Drains
• The Water Outlet
• Gradients
• Layout of Drains
• Laying an Agricultural (Agi) Drain
• Distance Between Drainage Pipes
• Depth of Drains
• Maintenance
• Subsurface Drainage
• Lesson 6 Additional Reading
• Review What You Have Been Learning

LESSON 7 STORM DRAINAGE

• Storm Runoff
• Inlets
• Manholes
• Swales
• Storm Water Management
• Intensity of Rainfall
• Stormwater Runoff Estimations
• Lesson 7 Additional Reading
• Selecting the Size (Diameter) of Pipes
• Selecting the Size and Shape of Ditches and Swales
• Set Tasks
• Review What You Have Been Learning
• Final Assessment