Dear Visitor,

This service enables customers to request a hydrographic survey of a specified marine area to determine water depths, current speeds, sediment thickness or to obtain seabed imagery using side scan sonar. The information collected contributes to enhancing the safety of navigation and marine operations, while also supporting various government procedures, including the renewal of licenses for private marine berths, approval for dredging and marine sand extraction operations.


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Content last updated: 21 Jun, 2026