MDN 70/2026

SÉCURITÉ

Seawall modification works southeast of Hong Kong International Airport

Activeuntil 14 Apr 2028, 23:59 UTC (in 517 days)Received 15 Apr 2026, 00:00 UTC

Warning text

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MARINE DEPARTMENT NOTICE NO. 70/2026 (Marine Works) Seawall Modification Works at the South-east of the Hong Kong International Airport With immediate effect and for a period of approximately 24 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, one crane barge, one roro barge and two derrick lighters. Two 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. - 2 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 divers working in the area. 8. A drawing showing the works area is attached to this Notice. This Notice supersedes Marine Department Notice No. 17/2026. Mr. S.F. WONG Director of Marine Marine Department Government of the HKSAR Date: 15 April 2026 Action File Ref.: L/M No. 2/26 in MD-PD&PS-F01-075-01A-003-P073

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Analysis

Activeuntil 14 Apr 2028, 23:59 UTC (in 517 days)

Cancelled by MDN 107/2026

Seawall modification works are taking place in an area southeast of Hong Kong International Airport bounded by coordinates A-M shown in the notice. Works started immediately from 15 April 2026 and will continue for approximately 24 months. Work hours are 0700-1900 daily, no works on Sundays and public holidays; multiple work vessels, marker buoys, silt curtains and diving operations will be in the area. A drawing is attached to the notice and this supersedes MDN 17/2026.

Type: Offshore operations · severity moderate
Feed: Offshore works, rigs and towingAll warnings of this kind on the map, or as an API feed.
Location: South-east of Hong Kong International Airport
Validity: From 15 Apr 2026, 00:00 UTC
Until 14 Apr 2028, 23:59 UTCWith immediate effect and for a period of approximately 24 months
Activity periods: ? - ? (Daily 0700-1900 UTC (hours of work). No works on Sundays and public holidays. Vessels may remain in works area outside hours.)
Hazards: marine works, work vessels and anchored equipment, silt curtains, diving operations, marker buoys
Cancels: MDN 17/2026

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