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Dredging
By Rick Wilmot C/E
Port Engineer
Clamshell Division Weeks Marine
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Topics of Discussion History of dredging Modern dredging Why we dredge Training
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History
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Designs By Leonardo Da Vinci
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Erie Canal
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Panama Canal
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Modern Dredging
Excavation Transportation Disposal or end-use of spoils Support equipment Training
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Excavation
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Mechanical Excavation
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Mechanical Dredges
Clamshell dredge Backhoe dredge Bucket ladder dredge Dipper dredge Dragline
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Clamshell Bucket Dredge
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Backhoe Dredge
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Bucketladder Dredge
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Dipper Dredge
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Hydraulic Excavation
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Hydraulic Dredges
Cutter suction Dustpan Plain suction Water injection dredge Hopper dredge
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Cutter Suction Dredge
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Water Injection Dredge
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Dustpan Dredge
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Trailing Arm Hopper Dredges
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Transportation
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Barge or Pipeline
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Disposal of Spoils
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Barge Unloader
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Support Equipment
Drill rig Survey boats Stifflegs Drag barges Boosters
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Why Do We Dredge ?
Channel deepening and maintenance Reclamation of land Beach nourishment and restoration Mining for aggregates and minerals
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Maintenance
Reclamation and Use
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Beachbuilding
Aggregate Mining
Beachbuilding and Mining
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Training
Hopper personnel are Coast Guard
licensed DSMP training On The Job Union Schools
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Survey