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Graeme Cox BEng (Ag) PhD

By. Dave Cox Farmer. Graeme Cox BEng (Ag) PhD. Evolution of Landforming. We have been landforming since agriculture began. Evolution of Landforming. 1900s Dumpy & Stakes 1970s Laserplane 1990s Multiplane 2000s OptiSurface*. *Patent Pending. Benefits of Landforming.

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Graeme Cox BEng (Ag) PhD

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  1. By Dave Cox Farmer Graeme CoxBEng (Ag) PhD

  2. Evolution of Landforming We have been landforming since agriculture began

  3. Evolution of Landforming • 1900s Dumpy & Stakes • 1970s Laserplane • 1990s Multiplane • 2000s OptiSurface* *Patent Pending

  4. Benefits of Landforming Higher Yields, Quality and Profit through • Minimised water logging • Improve infiltration uniformity • Sooner trafficability • Improved crop establishment • Improved uniformity of crop maturity • Reduced weed problems

  5. OptiSurface Landforming …provides all of the benefits of traditional laser landforming only: MUCH BETTER!! • Much cheaper (up to 80%) • Much less topsoil removal • Much faster

  6. Case Study C7 • Block: C7 Area: 92 Ha • Location: DAVCO Farming, Burdekin • Row Cropping (sugar cane) • Lateral Move Irrigation

  7. Existing Topography Note: vertical scale exaggerated x 100 C7

  8. Plane of Best Fit C7

  9. Plane of Best Fit - Cut\Fill Map C7 Cut: 791m3/ha Cost: $1,190/ha Max Cut: 0.350m

  10. OptiSurface Design Constraints Minimum Downslope: 1: 900 0.111% Maximum Downslope: 1: 300 0.333% Max. Downslope change: 1: 4000 0.025% Minimum Cross-slope: 1: -200 -0.500% Maximum Cross-slope: 1: 200 0.500% Max. Cross-slope change: 1: 1000 0.100%

  11. OptiSurface Design C7

  12. OptiSurface - Cut\Fill Map C7 Cut: 180m3/ha Cost: $270/ha Max Cut: 0.270m

  13. Long Section Plot Long section plot Downslope: 0.111% to 0.333% C7

  14. Long Section Plot Downslope: 0.050% to 1.000% C7

  15. OptiSurface - Downslope Map C7

  16. Runoff Velocity Map FLOW DIRECTION C7 Rainfall: 75mm/hr Max Velocity: 0.44m/s

  17. Runoff Depth Map FLOW DIRECTION C7 Rainfall: 75mm/hr Infiltration:0mm Max Depth: 0.170m

  18. OptiSurface - Downslope Map C7

  19. Design Surface Options • OptiSurface 1D Row drainage in one direction only • OptiSurface 2D Row drainage in two directions • OptiSurface 4D Can drain in any direction as long as it leaves the field

  20. Case Study C8 – Existing LS2 LS1 C8

  21. OptiSurface 2D Design LS2 LS1 C8

  22. Long Section 1 C8

  23. Long Section 2 C8

  24. OptiSurface 4D Design C8

  25. OptiSurface 4D Existing C8

  26. Mass Haul Optimisation • Optimise for haul distance • Reduce cost by up to 70% • Mass haul value allows for more accurate earthmoving quotes

  27. OptiSurface - Cut\Fill Map Cut: 95m3/ha Cost: $200/ha Max Cut: 0.163m B8&B9

  28. Mass Haul Optimisation

  29. Contact Us: • Contact us for a FREE Design • Phone: +61 7 4782 7575 (international) (07) 47827575 (Australia) • Email: design@optisurface.com • Visit: www.optisurface.com

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