MDN 126/2026

Marine site investigation at Lung Kwu Tan involving jack-up barges and buoys

Activeuntil 08 Mar 2027, 00:00 UTC (in 113 days)Received 08 Jul 2026, 00:00 UTC

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MARINE DEPARTMENT NOTICE NO. 126/2026 (Marine Works) Marine Site Investigation at Lung Kwu Tan With immediate effect and for a period of approximately eight months, marine site investigation works involving drilling of boreholes and cone penetration tests will be carried out within the area bounded by straight lines joining the following co-ordinates (WGS 84 Datum) from (A) to (C) and the adjacent shoreline: (A) 22-22.85N 113-55.20E (B) 22-23.59N 113-53.96E (C) 22-24.35N 113-54.09E 2. The works will be carried out by four jack-up barges, one flat-top barge and two dumb lighters. 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 barge and dumb lighter will be established. Yellow marker buoys fitted with yellow flashing lights will be laid to mark the positions of the anchors extending from the flat-top barge and dumb lighters. 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. This Notice supersedes Marine Department Notice No. 81/2026. Mr. S.F. WONG Director of Marine Marine Department Government of the HKSAR Date: 8 July 2026 Action File Ref.: L/M. No. 3/26 in MD-PD&PS-F01-075-01A-003-P073

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Analysis

Activeuntil 08 Mar 2027, 00:00 UTC (in 113 days)

Marine site investigation works (drilling boreholes and cone penetration tests) are taking place at Lung Kwu Tan and adjacent shoreline. Works commence immediately from 8 July 2026 and will continue for approximately eight months. Four jack-up barges, one flat-top barge, two dumb lighters and two tugs will be on site; 50 metre working zones and yellow marker buoys and flashing lights will mark anchors and barge corners. Working hours 0700-1900 daily, no works on Sundays and public holidays.

Type: Survey operations · severity moderate
Feed: Survey operationsAll warnings of this kind on the map, or as an API feed.
Location: Lung Kwu Tan and adjacent shoreline, Hong Kong
Validity: From 08 Jul 2026, 00:00 UTC
Until 08 Mar 2027, 00:00 UTCWith immediate effect and for a period of approximately eight months. Hours of work from 0700 to 1900 hours. No works on Sundays and public holidays.
Activity periods: ? - ? (daily 0700-1900 UTC except Sundays and public holidays (hours as published in notice))
Hazards: marine site investigation, jack-up barges and anchored equipment, marker buoys and flashing lights, restricted working area (50 m around units)
Cancels: Marine Department Notice No. 81/2026

Worked out automatically from the warning text on 30 Sept 2026, 10:50 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

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