Least-Cost Scheduling of Advance Maintenance Dredging

by Jay R. Lund, Univ of California, United States,

Document Type: Proceeding Paper

Part of: Critical Water Issues and Computer Applications


New methods are suggested for scheduling advance maintenance dredging operations on isolated reaches of navigation channels. For reaches where siltation occurs regularly as a result of gradual slumping, quiescent deposition, or regular erosion due to waves and wakes, the problem reduces to a least-cost replacement problem. This method is applied to a case study where existing dredging costs are compared with those estimated using this new dredge scheduling techniques.

Subject Headings: Financial management | Scheduling | Maintenance | Dredging | Case studies | Economic factors | Silt | Erosion

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