31 Jul 2015 / Hong Kong, Hong Kong
For approximately 10 months, marine site investigation and deep cement mixing trial works involving drilling of boreholes, diving operations, water monitoring and hydrographic survey will be carried out [north of Hong Kong International Airport] in the area bounded by straight lines joining the following co-ordinates (WGS 84 Datum) from (A) to (F): (A) 22 deg. 19.855'N / 113 deg. 54.708'E (B) 22 deg. 19.650'N / 113 deg. 54.785'E (C) 22 deg. 19.445'N / 113 deg. 54.861'E (D) 22 deg. 19.303'N / 113 deg. 54.421'E (E) 22 deg. 19.508'N / 113 deg. 54.344'E (F) 22 deg. 19.713'N / 113 deg. 54.268'E Yellow marker buoys fitted with yellow flashing lights and radar reflectors will be laid to mark the boundary of the works area at co-ordinates from (A) to (F). Two high-tower special purpose drilling barges, two flat top barges, two jack-up platforms, two derrick lighters, one launch and some work boats will carry out the works at various stages. Some tugs and guard boats will provide assistance. The number of vessels engaged in the operations will change from time to time to suit operational requirements. A working area of approximately 150 metres will be established around each high-tower special purpose drilling barge. Yellow marker buoys fitted with yellow flashing lights will be laid to mark the positions of the anchors extending from the high-tower special purpose drilling barges. A working area of approximately 50 metres will be established around each flat top barge and each derrick lighter. Yellow marker buoys fitted with yellow flashing lights will be laid to mark the positions of the anchors extending from the flat top barges and derrick lighters. A working area of approximately 25 metres will be established around each jack-up platform. Yellow flashing lights will be installed at the four corners of the platform to indicate the positions of the platforms. The hours of works will be round-the-clock. 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 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.37 of 2015
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