MDN 107/2026

SÉCURITÉ

Seawall modification works southeast of Hong Kong International Airport

Activeuntil 11 Apr 2028, 00:00 UTC (in 513 days)Received 11 Jun 2026, 00:00 UTC

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MARINE DEPARTMENT NOTICE NO. 107/2026 (Marine Works) Seawall Modification Works at the South-east of the Hong Kong International Airport With immediate effect and for a period of approximately 22 months, seawall modification works will be carried out within the area bounded by straight lines joining the following co-ordinates (WGS 84 Datum) from (A) to (M) and the adjacent shoreline: (A) 22-18.80N 113-56.95E (B) 22-18.80N 113-56.83E (C) 22-18.71N 113-56.82E (D) 22-18.65N 113-56.55E (E) 22-18.55N 113-56.48E (F) 22-18.40N 113-56.49E (G) 22-18.18N 113-56.55E (H) 22-17.97N 113-56.41E (I) 22-17.92N 113-56.38E (J) 22-17.81N 113-56.35E (K) 22-17.80N 113-56.35E (L) 22-17.74N 113-56.37E (M) 22-17.69N 113-56.30E 2. Yellow marker buoys fitted with yellow flashing lights will be laid to mark the boundary of the works area at co-ordinates from (C) to (L). 3. The works will be carried out by one work boat, two crane barges, two roro barges and two derrick lighters. Three tugboats will provide assistance. The number of vessels engaged in the works will change from time to time to suit operational requirements. Vessels engaged in the works will display signals as prescribed in international and local regulations. 4. The hours of work will be from 0700 to 1900 hours. No works will be carried out on Sundays and public holidays. Vessels employed for the works will stay in the works area outside the hours of work. 5. A working area of approximately 50 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. 6. 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 area. Yellow marker buoys fitted with yellow flashing lights will be laid to mark the extent of the silt curtains. 7. 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 diving operations in the area. 8. A drawing showing the works area is attached to this Notice. This Notice supersedes Marine Department Notice No. 70/2026. Mr. S.F. WONG Director of Marine Marine Department Government of the HKSAR Date: 11 June 2026 Action File Ref.: L/M No. 2/26 in MD-PD&PS-F01-075-01A-003-P073

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Analysis

Activeuntil 11 Apr 2028, 00:00 UTC (in 513 days)

Seawall modification works are underway southeast of Hong Kong International Airport within a polygon defined by points A-M and the adjacent shoreline. Works commenced with immediate effect and will continue for approximately 22 months. Work hours are 0700-1900 daily (no works on Sundays and public holidays); marker buoys, silt curtains, anchored vessels and occasional diving operations will be present. This Notice supersedes MDN 70/2026.

Type: Offshore operations · severity moderate
Feed: Offshore works, rigs and towingAll warnings of this kind on the map, or as an API feed.
Location: Southeast of Hong Kong International Airport
Validity: From 11 Jun 2026, 00:00 UTC
Until 11 Apr 2028, 00:00 UTCWith immediate effect and for a period of approximately 22 months
Activity periods: ? - ? (Daily 07:00-19:00 UTC (hours of work). No works on Sundays and public holidays; works area active outside hours as vessels remain there.)
Hazards: seawall construction/works, anchored and manoeuvring work vessels, marker buoys with yellow flashing lights, silt curtains, diving operations
Cancels: Marine Department Notice No. 70/2026

Worked out automatically from the warning text on 30 Sept 2026, 10:58 UTC. It can be wrong: the official warning text is the authority.

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Action for mariners
Keep-clear distance
Ships named
Lights and buoys affected
Translations
Nearby lights and rescue centres

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Keywordsdiving operations keep clear of

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