Trimming of underwater high spots south of Shek Kwu Chau

25 Jan 2021 / Hong Kong

For approximately 6 months, trimming operations for underwater high spots will be carried out in the area bounded by straight lines joining the following co-ordinates (WGS 84 Datum) from (A) to (D):
(A) 22° 09.543’N 113° 59.637’E
(B) 22° 09.543’N 113° 59.928’E
(C) 22° 09.218’N 113° 59.928’E
(D) 22° 09.218’N 113° 59.637’E

The works will be carried out by one derrick lighter and one hopper barge. One tugboat and one work boat will provide assistance.

A working area of approximately 50 metres will be established around the lighter and barge. Yellow marker buoys fitted with yellow flashing lights will be laid to mark the positions of the anchors extending from the lighter and barge.

A silt curtain will be established within the works area. The silt curtain is a large piece of netting used to contain mud and sediments.

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 not stay in the works area outside the hours of work.

Vessels engaged in the operations will display signals as prescribed in international and local regulations.

Vessels navigating in the vicinity should proceed with caution, bearing in mind the changing depths in the works area.

(For information about operations in Hong Kong, contact GAC Hong Kong at [email protected])

Source: Government of the Hong Kong SAR Marine Department Notice No.16/2021

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