These parameters were used for the design:

Proposed Cut/Fill Map

Existing Drainage Analysis Map.


OptiSurface4Way was used to design the field, allowing water to meander out of the field in any direction.  A special subzone called 'Ridge' was used to prevent water from exiting the east boundary of the field.  The designer may also opt to add a ridge subzone along the south boundary to prevent water from draining to the south adjacent field.

With certain requirements like maximum cut depth enforced by the road commissioner, another subzone was placed along the west and north boundary.  The Allowable Max Cut Depth was defined for that area.

Fixing the ponding issues of this field took only 80 yd3/ac of earthworks and the video captured by the drone confirms the effectiveness of OptiSurface.

Field Description:
Location:  Illinois, USA
Field Area:  151 ac or 61 ha
Irrigation:  Dryland/rainfed with no furrows.
Crops: Corn/Soybeans
Problem: This field experiences water logging issues creating small ponds of water scattered all over the field affecting yield and machinery efficiency..

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Proposed Topography

Design Parameters and Results

This field is designed to eliminate the ponding issues using OptiSurface4Way.  This surface type lets water drain out of the field to any direction which is best suited for dryland fields.

Drain water is not allowed to drain to neighbor's field in the east so a 'Ridge' subzone (shown as red polygon) to prevent water draining out there.

The initial design had deep cuts near the road along the north and west boundary that the road commissioner called them out.  To fix the drainage issues without having these deep cuts, the green subzone were added and the maximum cut was limited to 6 inches for that areas.                 



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