MDN 40/2026

SÉCURITÉ

Dredging operations in Urmston Road and Castle Peak fairways, Hong Kong

No longer in forceReceived 04 Mar 2026, 00:00 UTCArchived 30 Sept 2026, 12:45 UTC

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MARINE DEPARTMENT NOTICE NO. 40/2026 (Marine Works) Dredging Operations along Urmston Road Fairway and Castle Peak Fairway With immediate effect and for a period of approximately six months, dredging operations will be carried out in the following works areas: Works Area 1: This area is bounded by straight lines joining the following co- ordinates (WGS 84 Datum) from (A) to (G):- (A) 22-21.86N 113-55.41E (B) 22-21.68N 113-55.53E (C) 22-21.51N 113-55.92E (D) 22-21.44N 113-55.91E (E) 22-21.48N 113-55.74E (F) 22-21.61N 113-55.47E (G) 22-21.78N 113-55.30E Works Area 2: This area is bounded by straight lines joining the following co- ordinates (WGS 84 Datum) from (H) to (K):- (H) 22-21.23N 113-56.41E (I) 22-20.97N 113-57.07E (J) 22-20.87N 113-57.02E (K) 22-21.14N 113-56.40E 2. The works will be carried out by one grab dredger and two hopper barges. Two tugboats and one survey 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 50 metres around the grab dredger 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. A silt curtain, extending from the sea surface to the seabed, will be established beside the grab dredger. The silt curtain is a large piece of netting used to contain mud and sediments. Yellow flashing lights will be laid to mark the extent of the silt curtain. 5. The hours of work will be round-the-clock. Vessels navigating in the vicinity should proceed with caution. 6. A drawing showing the works areas is attached to this Notice. Mr. S.F. WONG Director of Marine Marine Department Government of the HKSAR Date: 4 March 2026 Action File Ref.: L/M. No. 43/25 in MD-PD&PS-F01-075-01A-003-P071

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Analysis

No longer in force

With immediate effect (Notice dated 4 March 2026) dredging operations will be carried out in two work areas in Urmston Road Fairway and Castle Peak Fairway. Operations are by one grab dredger, two hopper barges, two tugs and one survey boat; a 50 m working area around the grab dredger, marker buoys with yellow flashing lights and a seabed-reaching silt curtain will be deployed. Work will be carried out round-the-clock for approximately six months. Vessels navigating nearby 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: Urmston Road Fairway and Castle Peak Fairway, Hong Kong waters
Validity: From 04 Mar 2026, 00:00 UTC
Until 04 Sept 2026, 00:00 UTCWith immediate effect and for a period of approximately six months
Activity periods: 04 Mar 2026, 00:00 UTC - 04 Sept 2026, 00:00 UTC (round-the-clock)
Hazards: dredging operations, anchor lines and marker buoys, silt curtain

Worked out automatically from the warning text on 30 Sept 2026, 11:20 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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Keywordsdredging operations

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