MDN 177/2026

SÉCURITÉ

Marine reclamation and seawall works at Nim Wan, Deep Bay

ActiveReceived 28 Sept 2026, 00:00 UTC

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MARINE DEPARTMENT NOTICE NO. 177/2026 (Marine Works) Marine Works at Nim Wan, Deep Bay With immediate effect and for a period of approximately nine months, marine works involving reclamation works and seawall construction will be carried out within the area bounded by straight lines joining the following co-ordinates (WGS 84 Datum) from (A) to (F) and the adjacent shorelines: (A) 22-25.41N 113-55.59E (B) 22-25.42N 113-55.59E (C) 22-25.47N 113-55.81E (D) 22-25.46N 113-55.81E (E) 22-25.34N 113-55.73E (F) 22-25.35N 113-55.68E 2. The works will be carried out by one derrick barge, one flat-top barge and one work boat. One tugboat and one guard boat will provide assistance. Vessels engaged in the works will display signals as prescribed in international and local regulations. 3. A working area of approximately 30 metres will be established around each working vessel. 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 0800 to 2300 hours daily. Vessels employed for the works will stay in the works area outside the hours of work. 6. Diving operations will be carried out from time to time during the hours of work. 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 diving operations in the area. 7. A drawing showing the works area is attached to this Notice. This Notice is an extension of Marine Department Notice No. 137/2024. Mr. S.F. WONG Director of Marine Marine Department Government of the HKSAR Date: 28 September 2026 Action File Ref.: L/M No. 18/24 in MD-PD&PS-F01-075-01A-003-P057

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Reclamation and seawall construction works are taking place at Nim Wan, Deep Bay within the area bounded by coordinates A-F and adjacent shorelines. Works started with immediate effect from 28 Sep 2026 and will continue for approximately nine months. Work vessels (derrick barge, flat-top barge, work boat) plus tug and guard boat will be on site; diving operations will occur from time to time during working hours. Marker buoys with yellow flashing lights and silt curtains will mark anchors and curtain extents; a 30 metre working zone will be established around each working vessel.

Type: Dredging / works · severity moderate
Feed: Offshore works, rigs and towingAll warnings of this kind on the map, or as an API feed.
Location: Nim Wan, Deep Bay
Validity: From 28 Sept 2026, 00:00 UTC
With immediate effect and for a period of approximately nine months. Hours of work 0800 to 2300 hours daily.
Activity periods: ? - ? (Daily 0800-2300 (hours given in notice; time zone not specified))
Hazards: reclamation works, seawall construction, silt curtains, diving operations, anchored working vessels, marker buoys

Worked out automatically from the warning text on 30 Sept 2026, 09:58 UTC. It can be wrong: the official warning text is the authority.

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

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Keywordsdiving operations keep clear of

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