Impact of Deepening on Navigational Issues in Delaware River

This paper deals with the impact of deepening on the navigational efficiency in Delaware River and Bay based on a vessel traffic simulation model developed. In this regard, vessel calls to terminals, lightering and barge operations, tidal and navigational rules and recommendations, terminal and anchorage properties as well as vessel profiles are considered in the model. Through scenario analysis, effects of deepening and dredging on port performance measures are investigated. The statistics tracked in this respect are the overall port and terminal utilization, port times and terminal calls, anchorage visits and delays based on various vessel visits, categories and movements. The results indicate some navigational benefits for container vessels due to ample capacity in container terminals as well as for tankers due to lesser lightering activity. However, no significant efficiency for bulk and general cargo vessels is observed. The expected benefits due to lesser tidal delays are verified but the results also indicate a potential capacity issue for the major anchorages for the years to come in the planning horizon.

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