Inserting an Irrigation Head

A generic irrigation head can be inserted into the drawing with the Irrigation Head tool. Alternatively, use an irrigation head from one of the irrigation object libraries.

2. Click in the drawing to insert the irrigation head. Click again to set the rotation.

The first time the tool is used, the Irrigation Head Properties dialog box opens. Accept the default parameters and click OK to insert the irrigation head.

Parameter	Description
Manufacturer	Manufacturer’s name or “Generic”
Model	Manufacturer’s model number
Spray Pattern	Selections include Circular, Rectangular, and Special
Head Type	Indicates a Fixed Spray or Rotary sprinkler
Body	Spray head height (for use in worksheets)
Nozzle	Manufacturer’s nozzle type
Spray Radius or Width	For circular spray patterns, displays the radius of the spray; for rectangular spray patterns, displays the spray width
Length of Rect Spray	Displays the length of a rectangular spray pattern
Show Spray Pattern	Select to display the irrigation spray pattern
Spray Arc	Indicates the arc of the spray pattern and determines the spray pattern display
Trajectory	Angle (in degrees) of water as it is thrown from the spray head (for use in worksheets)
Working Pressure	Water line pressure (in psi or kg/cm3) for use in worksheets
Spacing	Indicates triangular or square spacing
Precipitation Rate	Number of inches or millimeters of water placed over a certain area per hour, for use in worksheets
Head Scale Factor	Determines the size of 2D irrigation head display
Unit	Specify either Metric or Imperial units

The spray pattern can be hidden and displayed with the Show or Hide Spray Pattern command (see Show/Hide Spray Pattern).

Inserting an Irrigation Head

Parameter

Description