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Dredging

Dredging. By Rick Wilmot C/E Port Engineer Clamshell Division Weeks Marine. Topics of Discussion. History of dredging Modern dredging Why we dredge Training. History. Designs By Leonardo Da Vinci. Erie Canal. Panama Canal. Modern Dredging. Excavation Transportation

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Dredging

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  1. Dredging By Rick Wilmot C/E Port Engineer Clamshell Division Weeks Marine

  2. Topics of Discussion • History of dredging • Modern dredging • Why we dredge • Training

  3. History

  4. Designs By Leonardo Da Vinci

  5. Erie Canal

  6. Panama Canal

  7. Modern Dredging • Excavation • Transportation • Disposal or end-use of spoils • Support equipment • Training

  8. Excavation

  9. Mechanical Excavation

  10. Mechanical Dredges • Clamshell dredge • Backhoe dredge • Bucket ladder dredge • Dipper dredge • Dragline

  11. Clamshell Bucket Dredge

  12. Backhoe Dredge

  13. Bucketladder Dredge

  14. Dipper Dredge

  15. Hydraulic Excavation

  16. Hydraulic Dredges • Cutter suction • Dustpan • Plain suction • Water injection dredge • Hopper dredge

  17. Cutter Suction Dredge

  18. Water Injection Dredge

  19. Dustpan Dredge

  20. Trailing Arm Hopper Dredges

  21. Transportation

  22. Barge or Pipeline

  23. Disposal of Spoils

  24. Barge Unloader

  25. Support Equipment • Drill rig • Survey boats • Stifflegs • Drag barges • Boosters

  26. Why Do We Dredge ? • Channel deepening and maintenance • Reclamation of land • Beach nourishment and restoration • Mining for aggregates and minerals

  27. Maintenance Reclamation and Use

  28. Beachbuilding and Mining Beachbuilding Aggregate Mining

  29. Training • Hopper personnel are Coast Guard licensed • DSMP training • On The Job • Union Schools

  30. Survey

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