MDN 136/2026

SÉCURITÉ

Construction of wave wall inside Cheung Chau Typhoon Shelter

Activeuntil 29 Aug 2027, 00:00 UTC (in 287 days)Received 29 Jul 2026, 00:00 UTC

Warning text

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MARINE DEPARTMENT NOTICE NO. 136/2026 (Marine Works) Construction Works for Wave Wall inside Cheung Chau Typhoon Shelter With immediate effect and for a period of approximately 13 months, construction works for wave wall will be carried out within the works area bounded by straight lines joining the following co-ordinates (WGS 84 Datum) from (A) to (E) and the adjacent shoreline: (A) 22-12.32N 114-01.49E (B) 22-12.35N 114-01.49E (C) 22-12.35N 114-01.54E (D) 22-12.37N 114-01.64E (E) 22-12.35N 114-01.65E 2. The works will be carried out by one dumb lighter and one roro-barge. One dry cargo vessel and one tugboat will provide assistance. Vessels engaged in the works will display signals as prescribed in international and local regulations. 3. A working area of approximately 15 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. 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. 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. 6. Vessels navigating in the vicinity should proceed with caution. 7. 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: 29 July 2026 Action File Ref.: L/M No. 10/26 in MD-PD&PS-F01-075-01A-003-P075

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Analysis

Activeuntil 29 Aug 2027, 00:00 UTC (in 287 days)

Construction works for a wave wall are taking place inside Cheung Chau Typhoon Shelter within a bounded works area adjacent to the shoreline. Works commenced with immediate effect from 29 July 2026 and will continue for approximately 13 months. Operations use a dumb lighter, a roro-barge, a dry cargo vessel and a tug; a 15 metre working area, yellow marker buoys with yellow flashing lights and silt curtains will mark the site. Working hours are 0700-1900 daily, with no work 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: Inside Cheung Chau Typhoon Shelter (works area bounded by coordinates A to E and adjacent shoreline)
Validity: From 29 Jul 2026, 00:00 UTC
Until 29 Aug 2027, 00:00 UTCWith immediate effect and for a period of approximately 13 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: ? - ? (Daily 0700-1900 (hours of work). No works on Sundays and public holidays; vessels will remain in works area outside hours.)
Hazards: construction works, anchored working vessels, silt curtains, marker buoys and lights, restricted working area (15 metres)

Worked out automatically from the warning text on 30 Sept 2026, 10:49 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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Keywordstyphoon

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