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Dredging Coastal Ports: An Assessment of the Issues (1985)

Chapter: D: Request for Information from Ports of Other Maritime Nations

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Suggested Citation:"D: Request for Information from Ports of Other Maritime Nations." National Research Council. 1985. Dredging Coastal Ports: An Assessment of the Issues. Washington, DC: The National Academies Press. doi: 10.17226/608.
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Page 151

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APPENDIX D REQUEST FOR INFORMATION FROM PORTS OF OTHER MARITIME NATIONS * Foreign ports were asked to supply the following information: 1. Depth and width of navigational channels 2. Depth in sheltered areas and in the harbor 3. Maximum draft of vessels allowed to transit the port 4. Port use by size of ships (port calls per deadweight-ton categories) 5. Annual tonnage 6. How many larger vessels are excluded, or transit partially loaded? 7. Are operational practices employed owing to channel (or other) limitations? 8. Does the port plan to expand capacity? plans for: If so, what are the port's a. Deepening, widening (or both) of navigational channels by dredging b. Offshore lightering/topping-off c. New deep-water ports d. Reception of broad-beam vessels *Distributed, collected, and analyzed by the Committee on National Dredging Issues (59 ports responding). 151

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Are the nation's ports adequate for our present and future needs? This volume points out that no significant new deep-water construction has occurred for a decade, and provides the information and analysis needed to goad the ports and the federal government into action. The book asks three questions: Is additional port construction and maintenance dredging needed now or over the next 20 years? What would prevent dredging if it is needed? What alternatives could make additional dredging possible? The book identifies several problems in dredging ports, including the long interval between a decision to deepen a port and the time the alterations are complete. The United States needs to speed port construction to meet changing needs, and the committee recommends that we prepare for future needs by dredging now.

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