MDN 168/2026

Marine works (temporary platforms and viaduct) at Tuen Mun River - approx 12 months

Activeuntil 18 Sept 2027, 00:00 UTC (in 307 days)Received 18 Sept 2026, 00:00 UTC

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MARINE DEPARTMENT NOTICE NO. 168/2026 (Marine Works) Marine Works at Tuen Mun River With immediate effect and for a period of approximately twelve months, marine works involving construction of temporary platforms and viaduct superstructures will be carried out in the following works areas: Works Area 1: This area is bounded by straight lines joining the following coordinates (WGS 84 Datum) from (A) to (K) and the adjacent shoreline: (A) 22-22.84N 113-58.09E (B) 22-22.82N 113-58.08E (C) 22-22.87N 113-58.04E (D) 22-22.96N 113-58.04E (E) 22-23.03N 113-58.06E (F) 22-23.09N 113-58.10E (G) 22-23.13N 113-58.14E (H) 22-23.18N 113-58.19E (J) 22-23.19N 113-58.21E (K) 22-23.18N 113-58.24E Works Area 2: This area is bounded by straight lines joining the following coordinates (WGS 84 Datum) from (L) to (Q) and the adjacent shoreline (L) 22-22.83N 113-58.03E (M) 22-22.83N 113-58.04E (N) 22-22.85N 113-58.04E (P) 22-22.80N 113-58.08E (Q) 22-22.76N 113-58.06E 2. The works will be carried out by three dumb lighters and one crane barge. Two work boats, two cargo vessels 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 20 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. The hours of work will be from 0700 to 1900 hours daily. No works will be carried out on Sundays and public holidays. Vessels employed for the works will stay in the works areas outside the hours of work. 5. 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 areas. Yellow marker buoys fitted with yellow flashing lights will be laid to mark the extent of the silt curtains. 6. Vessels navigating in the vicinity should proceed with caution. 7. A drawing showing the works areas is attached to this Notice. This Notice supersedes Marine Department Notice No. 35/2026. Mr. S.F. WONG Director of Marine Marine Department Government of the HKSAR Date: 18 September 2026 Action File Ref.: L/M. No. 3/24 in MD-PD&PS-F01-075-01A-003-P054

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Analysis

Activeuntil 18 Sept 2027, 00:00 UTC (in 307 days)

Marine works to construct temporary platforms and viaduct superstructures are taking place in two defined works areas in Tuen Mun River. Works commenced with immediate effect from the notice date and will continue for approximately twelve months. Activity is by three dumb lighters, one crane barge, two work boats, two cargo vessels and one tug; a 20 metre working zone around working vessels and yellow marker buoys with yellow flashing lights and silt curtains will be established. Vessels navigating in the vicinity should proceed with caution.

Type: Dredging / works · severity moderate
Feed: Offshore works, rigs and towingAll warnings of this kind on the map, or as an API feed.
Location: Tuen Mun River
Validity: From 18 Sept 2026, 00:00 UTC
Until 18 Sept 2027, 00:00 UTCWith immediate effect and for a period of approximately twelve months. Hours of work 0700 to 1900 hours daily. No works on Sundays and public holidays.
Activity periods: 18 Sept 2026, 07:00 UTC - 18 Sept 2027, 19:00 UTC (Daily 0700-1900 UTC (text gives LT with no offset - times kept as UTC); no works on Sundays and public holidays)
Hazards: marine works, temporary platforms and viaduct construction, anchored working vessels, silt curtains, marker buoys with yellow flashing lights
Cancels: Marine Department Notice No. 35/2026

Worked out automatically from the warning text on 30 Sept 2026, 10:00 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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