Cochin Port is a major port on the main Indian Ocean Sea route and one of the largest ports in India. It has the highest siltation rate among the country’s ports; with more than 20 million m³ of sediment per year. Continuous maintenance dredging seriously impacts the budget of the Cochin Port Trust (COPT). To address this, COPT assigned Antea Group, IIC Technologies and Stema Systems to collaborate on a study to analyze the siltation processes and assess the feasibility of implementing the nautical depth concept. This entails investigating the nature of the fluid mud seabed and determining the extent to which vessels can sail through and maneuver in the waterway.
Antea Group experts identified four main parts of the study:
• acquire field data
• use numerical hydrodynamic and empirical model studies to research the siltation causes and remedies
• set up and validate a nautical simulation model
• establish and apply an operational measurement practice to implement the nautical depth concept, derive dredging requirements and evaluate the applicability of alternative dredging techniques.
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