Irrigation Class Descrisption
  • BASIC LANDSCAPE IRRIGATION
  • IRRIGATION RULES AND REGULATIONS
  • TROUBLESHOOTING AND MAINTENANCE OF CONTROLLERS, VALVES AND HEADS
  • BASIC LANDSCAPE IRRIGATION SYSTEM DESIGN
  • BACKFLOW PREVENTION


    • BASIC LANDSCAPE IRRIGATION (32hrs)

    I. Introduction and Pretest 1 hr.

     II. Terminology and Vocabulary 3 hrs.
      A. Nomenclature
      B. Conversions, Scales, Units of Measure
      C. Reading and Using Charts Related to the Industry
      D. Materials and Standards

     III. Rules, Regulations, and Standards 4 hrs.
      A. Statutory Authority - Rules and Regulations
      B. Registration/Licensure of Irrigators
      C. Enforcement Process
      D. The Texas Irrigators Advisory Council
      E. Ordinances and Standards
      F. Connection Standards

     IV. Systems and System Components 8 hrs.
      A. Types of Irrigation Systems
      B. Irrigation Heads
      C. Drip Emitters
      D. Valves
      E. Pipes and Fittings
      F. Electrical Wiring
      G. Controllers
      H. Backflow Prevention

     V. Landscape Irrigation Design 12 hrs.
      A. Water Conservation through Design
      B. Design Efficiency
      C. Soil Conditions
      D. Preparing Irrigation Plans
      E. Head Layout
      F. Head Performance Determinants
      G. Water Sources
      H. Water Hammer
      I. Pressure Loss
      J. Hydraulics
      K. Pipe Sizing
      L. Zoning the System
      M. Wire Sizing and Power

     VI. Installation Techniques 4 hrs.
      A. Site Inspection
      B. Working Drawings and Blueprint Reading
      C. Solvent Welding
      D. Materials
      E. Trenching and Boring
      F. Pipe Fittings
      G. Valve Installation
      H. Sprinkler Heads and Nozzleing
      I. Wire Connections
      J. Flushing
      K. Timers and Controllers
      L. Power Supply
      M. Backfilling

     VII. System Maintenance 4 hr.
      A. Pre-operating Checks
      B. Coverage Checks
      C. Operating Schedule
      D. Troubleshooting (sprinklers and valves)

     VIII. Review and Final Test 4 hrs. TOTAL HOURS: 40
     

    IRRIGATION RULES AND REGULATIONS (4 hours)

    I. Introduction and Overview 15 min.

     II. Definitions 15 min.

     III. Statutory Authority 15 min.
      Chapter 34 Texas Water Code
      The Advisory Council

    IV. Registration/Licensure of Irrigators 15 min.

     V. Standards for Installation 60 min.

     Break 15 min.

     VI. Standard of Conduct for Licensed Irrigators 30 min.

     VII. Standards for Water Supply Connections 45 min.

     VIII. Complaint Process 15 min.

     IX. Conclusion and Evaluation 15 min.

     Materials: Statutory Authority and Rules and Regulations, Overhead Transparencies, Handouts
     

    TROUBLESHOOTING AND MAINTENANCE OF CONTROLLERS, VALVES AND HEADS (4 hours)

    I. Introduction and Overview 15 min.

     II. Design Flaws 15 min.

     III. Pipes 15 min.

     IV. Heads 30 min.

     V. Valves 45 min.
      Hydraulic
      Electric
      Manual

     Break15 min.

     VI. Fundamentals of Electricity 15 min.

     VII. Troubleshooting Tools 45 min.
      A. Multimeter
      B. Valve Locator
      C. Fault Finders
      D. Wire Splices

     VIII. Controllers 30 min.

     IX. Conclusion and Evaluation 15 min.

     Materials: Text TEEX LANDSCAPE IRRIGATION MANUAL, Overhead Transparencies, Handouts, Cut-a-ways, Diagrams
     

    BASIC LANDSCAPE IRRIGATION SYSTEM DESIGN (8 HOURS)

    I Introduction and Overview 15 min.

     II. TNRCC Regulations 45 min.

     III. Water Conservation and Efficiency in Design 45 min.

     Break 15 min.

     IV. Hydraulics of Sprinkler Systems 2 hrs

     Break 1 hr

     V. Irrigation Design
      Plot Plans 30 min.
      Water Source 15 min.
      Head Selection 30 min.
      Zoning 30 min.

     Break 15 min.

       Valve Selection 15 min.
      Head Layout 45 min.
      Pipe Sizing 15 min.
      Wire Sizing 15 min.

     VI. Conclusion and Evaluation 30 min.

     Material: TEXT-TEEX LANDSCAPE IRRIGATION MANUAL, Overhead Transparencies, Handouts, Cut-a-ways, Videos, Diagrams
     

    BACKFLOW PREVENTION (4 hours)

    I. Intoduction and Overview 15 min.

     II. Typical Cross Conections 30 min.

     III. Types of Backflow Prevention Devices 60 min.
      Pressure Vacuum Breaker
      Double Check Valve
      Atmospheric Vacuum Breaker
      Reduced Pressure Backflow Preventer

     Break 15 min.

     IV. Proper Installation 45 min.

     V. Backflow Testing 45 min.

     VI. Conclusion and Evaluation 30 min.

     Materials: Text TEEX Landscape Irrigation Manual, Febco Cross Connection Control Handbook, Overhead Tranparencies, Handouts, Cut-a-ways, Diagrams
     
     

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