Submarine outfall maintenance works at Ap Lei Chau

26 Jun 2020 / Hong Kong

For approximately 6 months, submarine outfall maintenance works will be carried out within the area bounded by straight lines joining the following co-ordinates (WGS 84 Datum) from (A) to (E) and the adjacent shoreline:
(A) 22 deg. 14.362’N / 114 deg. 08.945’E
(B) 22 deg. 14.269’N / 114 deg. 09.056’E
(C) 22 deg. 14.208’N / 114 deg. 08.998’E
(D) 22 deg. 14.327’N / 114 deg. 08.857’E
(E) 22 deg. 14.381’N / 114 deg. 08.909’E

The works will be carried out by one dumb lighter, one tugboat and one work boat.

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

A temporary floating breakwater of 150 metres in length will be installed within the works area. The breakwater is white and red in colour and yellow flashing lights are installed to indicate its position.

The hours of work will be from 0800 to 1800 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.

Diving operations will be carried out from time to time during 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 and keep clear of the works area at slow speed, bearing in mind there are divers working 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.91/2020

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