Singhing About It
Solves Drainage Problems For Less Than $150/ha
Client: GR&S Singh
Location: North Queensland, Australia
Notes: 52 hectare half Centre Pivot growing sugar cane on 1.5m furrows. Client wants better drainage to allow more timely machine operations/access and less compaction particularly during harvesting.
Design Constraints
| Surface Type: | OptiSurface1D | |||
| Main Slope Direction(deg): | 155.7 | (Bearing From North) | ||
| Calculation Grid Spacing(m): | 5 | |||
| Fill To Import to Field(m3): | 0 | |||
| Cut To Export from Field(m3): | 0 | |||
| Cut/Fill Ratio: | 1.2 | |||
| Zone | Main Slope | Cross Slope | Maximum Allowable Cut(m) | Fixed Elevation (m) | |||||
| Minimum | Maximum | Smoothing | Minimum | Maximum | Smoothing | ||||
| (%) | (%) | (%) | (%) | (%) | (%) | ||||
| Boundary | 0.1 | - | - | - | - | - | - | - | |
Design Results
| Field Area: | 52.13 | ha |
| Volume of Cut: | 4447 | m3 | + | Import: | 0 | m3 |
| Volume of Fill: | 3821 | m3 | + | Export: | 0 | m3 |
| Earthmoving Cut/ha: | 85.3 | m3/ha | ||||
Existing Topography Map
Proposed Topography (3D - 50x Vertical Exageration)
Proposed Topography
Cut Fill Map
Conclusions
The Cut/Fill map shows that although 80% of the field drains naturally, there are areas where significant ponding can occur. The aerial photographs (see this field in Google Maps) shows these areas are generally around a meandering natural drainage line. With minimal earthworks OptiSurface landforming corrected this problems and promoted the signficant benefits that come with optimal surface drainage.
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