MDN 240/2025

SÉCURITÉ

Reinstatement works off Cha Kwo Ling - seabed and seawall

ActiveReceived 20 Nov 2025, 00:00 UTC

Warning text

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MARINE DEPARTMENT NOTICE NO. 240/2025 (Marine Works) Reinstatement Works off Cha Kwo Ling With immediate effect and for a period of approximately 12 months, reinstatement works involving seabed and seawall will be carried out within the area bounded by straight lines joining the following co-ordinates (WGS 84 Datum) from (A) to (D) and the adjacent shoreline: (A) 22-18.11N 114-13.60E (B) 22-18.06N 114-13.57E (C) 22-18.12N 114-13.44E (D) 22-18.18N 114-13.48E 2. The works will be carried out by one flat-top work barge and one dumb lighter. One tugboat and one workboat will provide assistance. The number of vessels engaged in the works will change from time to time to suit operational requirements. Vessels engaged in the works will display signals as prescribed in international and local regulations. 3. The hours of work will be round-the-clock. A working area of approximately 20 metres around the lighter and the barge will be established. Yellow marker buoys fitted with yellow flashing lights will be laid to mark the positions of the anchors extending from the lighter and the barge. 4. Silt curtains which are large pieces 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 curtains. 5. Diving Operations will be carried out from time to time during the hours of works. Vessels navigating in the vicinity should proceed with caution and keep clear of the works area at slow speed, bearing in mind that there are divers working in the area. 6. A drawing showing the works area is attached to this Notice. This Notice is an extension of Marine Department Notice No. 10/2025. Mr. S.F. WONG Director of Marine Marine Department Government of the HKSAR Date: 20 November 2025 Action File Ref.: L/M No. 25/23 in MD-PD&PS-F01-075-01A-001A-P048

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Reinstatement works (seabed and seawall) are underway off Cha Kwo Ling within the area bounded by four WGS84 positions and the adjacent shoreline. Works began with immediate effect from 20 November 2025 and will continue for approximately 12 months. One flat-top work barge and one dumb lighter, plus a tug and workboat, will operate round-the-clock with yellow marker buoys and silt curtains in place. Diving operations will take place from time to time; vessels should keep clear and proceed at slow speed.

Type: Dredging / works · severity moderate
Feed: Offshore works, rigs and towingAll warnings of this kind on the map, or as an API feed.
Location: Off Cha Kwo Ling, Hong Kong
Validity: From 20 Nov 2025, 00:00 UTC
With immediate effect and for a period of approximately 12 months
Activity periods: 20 Nov 2025, 00:00 UTC - ? (Hours of work will be round-the-clock; works ongoing for approximately 12 months)
Hazards: construction vessels and anchored barge, silt curtains, marker buoys and yellow flashing lights, diving operations, anchor cables and anchors

Worked out automatically from the warning text on 30 Sept 2026, 11:38 UTC. It can be wrong: the official warning text is the authority.

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This warning's analysis also has:

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

The action for mariners, the keep-clear distance, contacts, ships named, translations and the nearby lights and rescue centres come with Lagom and every higher plan, and with the API plans. The official warning text above is always free.

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Keywordsdiving operations divers working keep clear of

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