- May Session
05/10/2021 - 05/14/2021
8:30 am - 5:30 pm
Course Outline:
| I. Irrigation Overview |
2 hrs |
- Definition of Irrigation
- Methods of Irrigation
- History of Irrigation
- Terminology/definitions
- About the Exam
|
| II. Irrigation Equipment |
1.5 hrs |
- Types of Sprinklers
- Types of Systems
- Controllers
- Electric Valves
- Hydraulic Valves
- Remote Sensors – Moisture & Freeze Protection
- Pumps
- Source Water & Filtration
|
| III. Cross Connection Control |
1.5 hrs |
- Video
- Definition/types
- Backflow prevention equipment
- 50 questions & answers
- Quiz
|
| IV. Piping & Hydraulics |
5.0 hrs |
- Terminology
- Types
- OD: ID: Wall Thickness
- Pressure and Pressure Losses
- Effects of Elevation on pressure
- Measurement of pressure
- Pressure loss charts
- How to calculate pressure losses
- Water Hammer/effects/prevention
|
| V. Sprinkler Performance |
2 hrs |
- Distribution, uniformity, efficiency
- Effects of wind & pressure
- Nozzle performance
- Head spacing
- Precipitation Rate
- Evapotranspiration
- Soil-water-plant relationships
- Effects of excess pressure
|
| VI. Developing Plot Plan |
1 hr |
- The Design Process
- Drafting Equipment/CAD
- Data Required
- Measuring Techniques
- Scale drawing based on Field Measurements
|
| VII. Head Layout |
2.5 hrs |
- Head/nozzle Selection
- Triangular vs Square Spacing
- Borders, Curves, Sidewalks, Fences, etc.
- Drafting Techniques
- Produce a scale drawing
- Spray vs Rotary Layout
- Head layout from a given plot plan
|
| VIII. Zoning & Pipe Sizing |
6.5 hrs |
- Determine flow requirement
- Flow Velocity
- Estimated Design Flow per zone
- Selection of Components
- Pressure Loss Calculations
- Velocity Charts to Determine Pipe Size
- Routing & Sizing pipe
- Drafting the final design
- Irrigation Design Procedure
13 steps to follow
- Looped Mains
- Rotary Systems
- Design a System on a scaled plot plan
|
| IX. Electrical |
.5 hrs |
- Controller Installation
- Valve Wiring/splicing
- Wire Sizing
|
| X. Micro Irrigation |
1.5 hrs |
- Components of a drip system
- Emission Devices
- Pipe and Fittings
- Flow Rates
- Pipe sizing
- Basic Design Principles
|
| XI. The Law in Texas |
2 hrs |
- Statutes, Rules and Regulations
- Licensing & License Renewal
- Enforcement
- Irrigator Advisory Council
- Texas Commission on Environmental Quality
- Local Codes/ State Codes
- Minimum Standards: design & installation
- Backflow Prevention Methods
|
| XII. Designs in Class |
14 hrs |
| Student required to do 3 designs in the classroom |
Total Classroom Hours 40 hrs
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