MDN 247/2025

SÉCURITÉ

Submarine outfall inspection works off Wah Fu, approx. two months from 26 Nov 2025

No longer in forceReceived 26 Nov 2025, 00:00 UTCArchived 30 Sept 2026, 12:45 UTC

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MARINE DEPARTMENT NOTICE NO. 247/2025 (Marine Works) Submarine Outfall Inspection Works off Wah Fu With immediate effect and for a period of approximately two months, submarine outfall inspection works will be carried out within the area bounded by straight lines joining the following co-ordinates (WGS 84 Datum) from (A) to (D): (A) 22-15.05N 114-08.01E (B) 22-15.04N 114-08.02E (C) 22-15.02N 114-07.97E (D) 22-15.03N 114-07.97E 2. The works will be carried out by one work boat. 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 20 metres around the work boat will be established. Yellow marker buoys fitted with yellow flashing lights will be laid to mark the positions of the anchors extending from the work boat. 4. The hours of work will be from 0800 to 1800 hours. No works will be carried out on Sundays and public holidays. Vessels employed for the works will not stay in the works area outside the hours of work. 5. 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 divers working in the area. 6. 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: 26 November 2025 Action File Ref.: L/M No. 49/25 in MD-PD&PS-F01-075-01A-001A-P089

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Analysis

No longer in force

Submarine outfall inspection works commenced with immediate effect off Wah Fu and will continue for approximately two months. Work and guard boats will operate within a small area marked by yellow marker buoys with yellow flashing lights; a working area of about 20 metres around the work boat will be established. Working hours 0800-1800 (no works on Sundays and public holidays); diving operations will occur from time to time during working hours. Vessels should keep clear at slow speed and take care for divers and laid anchors/marker buoys.

Type: Survey operations · severity moderate
Feed: Survey operationsAll warnings of this kind on the map, or as an API feed.
Location: off Wah Fu
Validity: From 26 Nov 2025, 00:00 UTC
Until 26 Jan 2026, 00:00 UTCWith immediate effect and for a period of approximately two months. The hours of work will be from 0800 to 1800 hours. No works will be carried out on Sundays and public holidays.
Activity periods: ? - ? (Daily 0800-1800 (times as given in notice) except Sundays and public holidays; works not carried out outside these hours.)
Hazards: submarine outfall inspection works, work boat and guard boat, diving operations, anchors and marker buoys

Worked out automatically from the warning text on 30 Sept 2026, 11:38 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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