28 Dec 2016 / Hong Kong
From 1 January 2017 and for approximately 12 months, marine works involving seawall construction, diving operations, hydrographic survey, barging operations will be carried out within the area bounded by straight lines joining the following co-ordinates (WGS 84 Datum) from (A) to (N) and the adjacent shoreline:
(A) 22 deg. 18.907’N / 113 deg. 56.582’E
(B) 22 deg. 18.936’N / 113 deg. 56.734’E
(C) 22 deg. 19.163’N / 113 deg. 56.839’E
(D) 22 deg. 19.344’N / 113 deg. 56.862’E
(E) 22 deg. 19.435’N / 113 deg. 56.951’E
(F) 22 deg. 19.612’N / 113 deg. 57.123’E
(G) 22 deg. 19.579’N / 113 deg. 57.538’E
(H) 22 deg. 19.547’N / 113 deg. 57.953’E
(I) 22 deg. 18.758’N / 113 deg. 57.768’E
(J) 22 deg. 18.498’N / 113 deg. 57.489’E
(K) 22 deg. 18.549’N / 113 deg. 57.239’E
(L) 22 deg. 18.708’N / 113 deg. 56.876’E
(M) 22 deg. 18.639’N / 113 deg. 56.663’E
(N) 22 deg. 18.668’N / 113 deg. 56.453’E
Yellow marker buoys fitted with yellow flashing lights will be laid to mark the boundary of the works area at co-ordinates from (B) to (M).
Silt curtains, extending from the sea surface to the seabed, will be established around the boundary of the works area. The silt curtain is a large piece of netting used to contain mud and sediments. Yellow marker buoys fitted with yellow flashing lights will be laid to mark the extent of the silt curtains.
The works will be carried out by a flotilla of vessels including barges, derrick lighters, work boats, tugboats, transportation boats and construction vessels at various stages. The number of vessels engaged in the works will change from time to time to suit operational requirements.
A working area of approximately 50 metres will be established around each working vessel. Yellow marker buoys fitted with yellow flashing lights will be laid to mark the positions of the anchors extending from the working vessels.
The hours of work will be round-the-clock.
Vessels engaged in the operations will display signals as prescribed in international and local regulations.
A specified channel with a width of about 120 metres will be maintained between the Hong Kong International Airport and the works area. Vessels with valid permits may use this channel to pass through the southeast corner of the Airport Approach Area No. 3. This channel will be temporarily marked by lateral light buoys and their particulars are as follows:
Name: BCF 1
Position (WGS 84 Datum): 22 deg. 19.819’N / 113 deg. 56.855’E
Shape: Pillar
Colour: Green
Light Characteristics: Fl. G. 6s
Top Mark: Single Green Cone
Radar Reflector : Fitted
Name: BCF 3
Position (WGS 84 Datum): 22 deg. 19.340’N / 113 deg. 56.785’E
Shape: Pillar
Colour: Green
Light Characteristics: Fl (2) G. 10s
Top Mark: Single Green Cone
Radar Reflector: Fitted
Name: BCF 5
Position (WGS 84 Datum): 22 deg. 19.187’N / 113 deg. 56.773’E
Shape: Pillar
Colour: Green
Light Characteristics: Fl. G. 2s
Top Mark: Single Green Cone
Radar Reflector: Fitted
Name: BCF 2
Position (WGS 84 Datum): 22 deg. 19.482’N / 113 deg. 56.977’E
Shape: Pillar
Colour: Red
Light Characteristics: Fl. R. 6s
Top Mark: Single Red Can
Radar Reflector: Fitted
Two yellow marker buoys will be temporarily established near the “Weather 4” buoy to mark the eastern edge of the Airport Approach Area No.3 and their particulars are as follows:
Name: RW15
Position (WGS 84 Datum): 22 deg. 19.636’N / 113 deg. 56.921’E
Shape: Pillar
Colour: Yellow
Light Characteristics: Fl. Y
Top Mark: Single Yellow Cross
Name: RW16
Position (WGS 84 Datum): 22 deg. 19.614’N / 113 deg. 56.929’E
Shape: Pillar
Colour: Yellow
Light Characteristics: Fl. Y
Top Mark: Single Yellow Cross
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 area.
(For information about operations in Hong Kong contact GAC Hong Kong at [email protected])
Source: Government of Hong Kong SAR Marine Department Notice No.171 of 2016
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