MDN 2/2026

Marine site investigation at Cheung Sha, Lantau Island

ExpiredReceived 02 Jan 2026, 00:00 UTC

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MARINE DEPARTMENT NOTICE NO. 2/2026 (Marine Works) Marine Site Investigation at Cheung Sha, Lantau Island With immediate effect and for a period of approximately three months, marine site investigation works involving drilling of boreholes 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) 22-14.37N 113-58.30E (B) 22-14.21N 113-58.37E (C) 22-13.78N 113-57.88E (D) 22-13.98N 113-57.75E 2. The works will be carried out by three jack-up barges. Two tugboats will provide assistance. Vessels engaged in the works will display signals as prescribed in international and local regulations. 3. A working area of approximately 50 metres around each jack-up barge will be established. Yellow flashing lights will be installed at the four corners of each jack-up barge to indicate its position. 4. The hours of work will be from 0700 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 outside the hours of work. 5. Vessels navigating in the vicinity should proceed with caution. 6. A drawing showing the works area is attached to this Notice. Mr. S.F. WONG Director of Marine Marine Department Government of the HKSAR Date: 2 January 2026 Action File Ref.: L/M. No. 44/25 in MD-PD&PS-F01-075-01A-003-P071

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Analysis

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Marine site investigation works involving drilling of boreholes will be carried out at Cheung Sha, Lantau Island, within the area bounded by four positions and the adjacent shoreline. Works commenced with immediate effect from 2 January 2026 and are to continue for approximately three months. Three jack-up barges and two tugboats will be employed; a working area of approximately 50 metres around each jack-up barge will be established and yellow flashing lights will mark the barge corners. Working hours are 0700-1900 (times given as UTC in the notice) except Sundays and public holidays; vessels should proceed with caution in the vicinity.

Type: Survey operations · severity moderate
Feed: Survey operationsAll warnings of this kind on the map, or as an API feed.
Location: Cheung Sha, Lantau Island
Validity: From 02 Jan 2026, 00:00 UTC
With immediate effect and for a period of approximately three months. The hours of work will be from 0700 to 1900 hours. No works will be carried out on Sundays and public holidays.
Activity periods: 02 Jan 2026, 07:00 UTC - ? (Daily 0700-1900 (times given in notice) except Sundays and public holidays; works for approximately three months)
Hazards: jack-up barges, drilling of boreholes, tug assistance, working areas around barges

Worked out automatically from the warning text on 30 Sept 2026, 11:30 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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