MDN 137/2024

SÉCURITÉ

Marine works (reclamation and seawall) at Nim Wan, Deep Bay

No longer in forceReceived 01 Aug 2024, 00:00 UTCArchived 01 Oct 2026, 13:48 UTC

Warning text

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MARINE DEPARTMENT NOTICE NO. 137/2024 (Marine Works) Marine Works at Nim Wan, Deep Bay With immediate effect and for a period of approximately 26 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, extending from the sea surface to the seabed, will be established within the works area. The silt curtain is a large piece of netting used to contain mud and sediments. 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. 7. 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 divers working in the area. 8. 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: 1 August 2024 Action File Ref.: L/M No. 18/24 in MD-PD&PS-F01-075-01A-003-P057

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Analysis

No longer in force

Reclamation works and seawall construction are taking place at Nim Wan, Deep Bay within a polygon of six coordinates and adjacent shorelines. Works began 1 August 2024 and will continue for approximately 26 months. Operations use a derrick barge, flat-top barge, workboat, tug and guard boat; silt curtains and yellow marker buoys with yellow flashing lights will mark anchors and curtain extents. Diving will be conducted from time to time during working hours 0800-2300 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: Nim Wan, Deep Bay (area bounded by coordinates A-F and adjacent shorelines)
Validity: From 01 Aug 2024, 00:00 UTC
Until 01 Oct 2026, 00:00 UTCWith immediate effect and for a period of approximately 26 months. The hours of work will be from 0800 to 2300 hours daily.
Activity periods: ? - ? (Daily 0800-2300 (hours as stated in notice))
Hazards: reclamation works, seawall construction, working vessels and anchored equipment, silt curtains, diving operations, marker buoys and anchors

Worked out automatically from the warning text on 30 Sept 2026, 12:22 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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Keywordsdiving operations divers working keep clear of

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