MDN 137/2025

SÉCURITÉ

Dredging and transshipment operations at Marina Cove, Hong Kong (approx. 12 months)

No longer in forceReceived 14 Jul 2025, 00:00 UTCArchived 30 Sept 2026, 12:45 UTC

Warning text

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MARINE DEPARTMENT NOTICE NO. 137/2025 (Marine Works) Dredging Operations at Marina Cove With immediate effect and for a period of approximately 12 months, dredging operations will be carried out within the area bounded by straight lines joining the following co-ordinates (WGS 84 Datum) from (A) to (E) and the adjacent shorelines: Works Area: (A) 22-21.47N 114-15.52E (B) 22-21.44N 114-15.54E (C) 22-21.42N 114-15.50E (D) 22-21.42N 114-15.44E (E) 22-21.43N 114-15.44E 2. The works will be carried out by two dumb lighters and one hopper barge. One tugboat will provide assistance. Vessels engaged in the works will display signals as prescribed in international and local regulations. 3. The dredged materials will be conveyed to the hopper barge anchored within the transhipment area bounded by straight lines joining the following co- ordinates (WGS 84 Datum) from (F) to (I): Transshipment Area: (F) 22-21.43N 114-15.65E (G) 22-21.43N 114-15.71E (H) 22-21.38N 114-15.71E (I) 22-21.38N 114-15.65E 4. Transshipment of dredged materials will take place in this area. The lighter assisted by the tugboat will transfer the dredged materials to the hopper barge from time to time. 5. A working area of approximately 40 metres around the working vessels will be established. Yellow marker buoys fitted with yellow flashing lights will be laid to mark the positions of the anchors extending from the working vessels. 6. A silt curtain which is a large piece of netting to contain mud and sediments extending from the sea surface to the seabed will be established within the works area. Yellow marker buoys fitted with yellow flashing lights will be laid to mark the extent of the silt curtain. 7. The hours of work will be from 0800 to 1900 hours. No works will be carried out on Sundays and public holidays. Vessels employed for the works will stay in the works area and transhipment area outside the hours of work. 8. Vessels navigating in the vicinity should proceed with caution. 9. A drawing showing the works area and the transshipment area is attached to this Notice. Ms. Lydia LAM Director of Marine (Acting) Marine Department Government of the HKSAR Date: 14 July 2025 Action File Ref.: L/M No. 30/25 in MD-PD&PS-F01-075-01A-001A-P082

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Analysis

No longer in force

Dredging operations commenced at Marina Cove and will continue for approximately 12 months within a polygon of positions given in the notice. Dredged material will be transhipped to a hopper barge anchored in a defined transshipment area. Work is carried out by two dumb lighters, one hopper barge and one tug; a 40 metre working zone, silt curtain and yellow marker buoys with yellow flashing lights will be deployed. Hours of work are 0800-1900 daily; no works on Sundays and public holidays.

Type: Dredging / works · severity moderate
Feed: Offshore works, rigs and towingAll warnings of this kind on the map, or as an API feed.
Location: Marina Cove, Hong Kong
Validity: From 14 Jul 2025, 00:00 UTC
Until 14 Jul 2026, 00:00 UTCWith immediate effect and for a period of approximately 12 months. The hours of work will be from 0800 to 1900 hours. No works on Sundays and public holidays.
Activity periods: ? - ? (Daily 0800-1900 (hours as given in notice; times not expressed with timezone))
Hazards: dredging operations, anchored hopper barge and lighters, tug assistance, silt curtain, marker buoys and anchor lines

Worked out automatically from the warning text on 30 Sept 2026, 11:50 UTC. It can be wrong: the official warning text is the authority.

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Action for mariners
Keep-clear distance
Ships named
Lights and buoys affected
Translations
Nearby lights and rescue centres

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Keywordsdredging operations

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