18 Operations Water Management functionality
Item Explanation
New Plan
Choose Pivot Tap and select the benchmark you want to be on grade.
Primary Slope If you want to define the primary heading by measuring a second
point, see
Define a plane (page 439)
.
Cross Slope
Height Above Pivot Enter the known offset if you are using one.
Primary Heading
Flip Tap to change the direction of the Cross Slope. This changes the
Cross
Heading
between 90° and 270° from the
Primary Heading
.
For water to run along the Primary and Cross axis, the slope values must be keyed in as negative
values.
Note – FieldLevel II searches for a survey on the field. If there is a survey, a Cut/Fill map displays on the new
design plane.
Use multiple benchmarks
You can use multiple benchmarks to define a plane based on your specific requirements. If multiple
benchmarks are created, you can design a plane of best-fit through them.
If you use three benchmarks to design the plane, the cut and fill values will be "0.0" through those
points so the system can create a perfect plane. If you use more than three benchmarks to design
the plane, the cut/fill values will be the residual difference between the plane of best-fit and the
benchmark elevations.
To define a plane using multiple points:
Version 9.25, Revision B FM-1000 Integrated Display User Guide 441
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