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Application of the Texas A&M University (TAMU) Dredging Cost Model to Long Distance Transport

by Robert E. Randall, Texas A and M University, College Station, TX, United States,
Billy L. Edge, Texas A and M University, College Station, TX, United States,



Document Type: Proceeding Paper

Part of: Sand Rights '99: Bringing Back the Beaches

Abstract:

To develop intelligent decisions about moving sediment long distances to the coast from dams, the cost becomes a major factor. The cost will be a function of many factors including cleaning of material, distance to the coast, availability of pipe and pumping plant and methods of placement. This paper deals with an example to demonstrate the application of the TAMU cost model. This model was developed for long distance pumping of dredged material and has been calibrated with specific project costs for coastal dredging. The model provides a convenient way to develop multiple alternatives including pump sizes, sediment size, concentrations, booster pumps, manpower and equipment costs. Details of the model use for a specific application in southern California will be presented.

Subject Headings: Dredged materials | Benefit cost ratios | Sediment transport | Pumps | Mathematical models | Transportation engineering | Pumping stations | California | United States

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