18 Apr 2018 / Hong Kong

Dredging operations in Tuen Mun River Channel

For approximately 8 months, dredging operations will be carried out in the Tuen Mun River Channel within the area bounded by straight lines joining the following co-ordinates (WGS 84 Datum) from (A) to (B), and from (C) to (D) and the adjacent shorelines:
(A) 22 deg. 23.023’N / 113 deg. 58.031’E
(B) 22 deg. 23.008’N / 113 deg. 58.083’E
(C) 22 deg. 22.716’N / 113 deg. 58.170’E
(D) 22 deg. 22.687’N / 113 deg. 58.101’E

The works will be carried out by a flotilla of vessels including two bucket pontoons, one backhoe pontoon, one derrick lighter and one split hopper barge. One tug boat and one work boat will provide assistance. The number of vessels engaged in the works will change from time to time to suit operational requirements.

The dredged materials will be conveyed to a split hopper barge anchored within the area bounded by straight lines joining the following co-ordinates (WGS 84 Datum) from (E) to (H):

TRANSHIPMENT AREA:
(E) 22 deg. 22.532’N / 113 deg. 58.319’E
(F) 22 deg. 22.499’N / 113 deg. 58.339’E
(G) 22 deg. 22.483’N / 113 deg. 58.301’E
(H) 22 deg. 22.517’N / 113 deg. 58.283’E

Transhipment of dredged materials will take place in this area. A bucket pontoon assisted by a tug will deliver the dredged materials to the split hopper barge from time to time.

A working area of approximately 15 metres will be established around each backhoe pontoon and the derrick lighter. Yellow marker buoys fitted with yellow flashing lights will be laid to mark the positions of the anchors extending from these vessels.

The hours of work will be from 0800 to 1900 hours. No works will be carried out on Sundays and public holidays. Vessels employed for the works will stay in the works areas and the transshipment area outside the hours of works.

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

Vessels navigating in the vicinity should proceed with caution.

(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.49 of 2018

If quoting any content from Hot Port News, please cite GAC Hot Port News as the source.

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