MDN 98/2025

SÉCURITÉ

Dredging operations inside Government Dockyard, Hong Kong (approx. eight months)

No longer in forceReceived 13 May 2025, 00:00 UTCArchived 30 Sept 2026, 12:45 UTC

Warning text

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MARINE DEPARTMENT NOTICE NO. 98/2025 (Marine Works) Dredging Operations inside Government Dockyard With immediate effect and for a period of approximately eight 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 (G) and the adjacent shoreline: (A) 22-19.38N 114-08.49E (B) 22-19.44N 114-08.55E (C) 22-19.43N 114-08.56E (D) 22-19.48N 114-08.62E (E) 22-19.42N 114-08.68E (F) 22-19.33N 114-08.58E (G) 22-19.35N 114-08.56E 2. The works will be carried out by one derrick lighter. One hopper barge 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 50 metres around the derrick 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 derrick lighter. 4. 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. 5. The hours of work will be from 0700 to 2300 hours daily. 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. Ms. Lydia LAM Director of Marine (Ag.) Marine Department Government of the HKSAR Date: 13 May 2025 Action File Ref.: L/M. No.10/25 in MD-PD&PS-F01-075-01A-002-P024

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Analysis

No longer in force

Dredging operations will be carried out inside Government Dockyard, Hong Kong, with immediate effect for approximately eight months from 13 May 2025. Works involve a derrick lighter, assisted by a hopper barge and a tug; a 50 metre working area around the derrick lighter will be marked with yellow buoys with yellow flashing lights. A silt curtain will be deployed and marked by yellow buoys. Hours of work 0700-2300 daily.

Type: Dredging / works · severity moderate
Feed: Offshore works, rigs and towingAll warnings of this kind on the map, or as an API feed.
Location: Government Dockyard, Hong Kong
Validity: From 13 May 2025, 00:00 UTC
Until 13 Jan 2026, 00:00 UTCWith immediate effect and for a period of approximately eight months. Hours of work will be from 0700 to 2300 hours daily.
Activity periods: 13 May 2025, 07:00 UTC - 13 Jan 2026, 23:00 UTC (Daily 0700-2300 (times shown as UTC as local offset not specified))
Hazards: dredging operations, anchored derrick lighter, anchor lines and marker buoys, silt curtain

Worked out automatically from the warning text on 30 Sept 2026, 12:18 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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Keywordsdredging operations

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