MDN 35/2026

Construction of temporary platforms at Tuen Mun River

No longer in forceReceived 16 Feb 2026, 00:00 UTCArchived 30 Sept 2026, 12:45 UTC

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MARINE DEPARTMENT NOTICE NO. 35/2026 (Marine Works) Construction of Temporary Platforms at Tuen Mun River With immediate effect and for a period of approximately seven months, marine works involving construction of temporary platforms 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 flat-top barges and one hopper barge. 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 will be established around each flat-top barge. 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. 224/2024. Mr. S.F. WONG Director of Marine Marine Department Government of the HKSAR Date: 16 February 2026 Action File Ref.: L/M. No. 3/24 in MD-PD&PS-F01-075-01A-003-P054

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Analysis

No longer in force

Cancelled by MDN 168/2026

Marine works to construct temporary platforms will be carried out in two works areas at Tuen Mun River. Works commence with immediate effect from 16 February 2026 and are planned for approximately seven months. Operations involve three flat-top barges, one hopper barge and one tug, with 20 metre working areas and yellow marker buoys with yellow flashing lights marking anchors and silt curtains. Vessels should proceed with caution and avoid the marked working areas.

Type: Offshore operations · severity moderate
Feed: Offshore works, rigs and towingAll warnings of this kind on the map, or as an API feed.
Location: Tuen Mun River, Hong Kong
Validity: From 16 Feb 2026, 00:00 UTC
Until 16 Sept 2026, 00:00 UTCWith immediate effect and for a period of approximately seven months.
Activity periods: ? - ? (Hours of work daily 0700-1900; no works on Sundays and public holidays)
Hazards: construction works, anchored barges, silt curtains, marker buoys with lights
Cancels: Marine Department Notice No. 224/2024

Worked out automatically from the warning text on 30 Sept 2026, 11:21 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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