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According to the Maritime and Port Authority of Singapore’s Port Marine Notice No.59 of 2017, dated 13 April, the work will be carried out 24 hours daily – including Sundays and Public Holidays – within the working area bounded by the following co-ordinates:

Working Area A (WGS 84 Datum)
A-1) 1 deg. 15.759’N / 103 deg. 39.353’E
A-2) 1 deg. 15.772’N / 103 deg. 39.385’E
A-3) 1 deg. 15.295’N / 103 deg. 39.577’E
A-4) 1 deg. 15.393’N / 103 deg. 39.816’E
A-5) 1 deg. 16.258’N / 103 deg. 39.390’E
A-6) 1 deg. 16.434’N / 103 deg. 39.640’E
A-7) 1 deg. 16.512’N / 103 deg. 39.584’E
A-8) 1 deg. 16.671’N / 103 deg. 39.529’E
A-9) 1 deg. 16.580’N / 103 deg. 39.336’E
A-10) 1 deg. 16.485’N / 103 deg. 39.216’E
A-11) 1 deg. 15.895’N / 103 deg. 39.216’E
A-12) 1 deg. 15.791’N / 103 deg. 39.259’E

Working Area B (WGS 84 Datum)
A-13) 1 deg. 15.164’N / 103 deg. 39.509’E
A-14) 1 deg. 15.321’N / 103 deg. 39.841’E
A-15) 1 deg. 14.597’N / 103 deg. 40.186’E
A-16) 1 deg. 14.476’N / 103 deg. 39.944’E
A-17) 1 deg. 14.064’N / 103 deg. 40.144’E
A-18) 1 deg. 14.064’N / 103 deg. 39.967’E
A-19) 1 deg. 14.949’N / 103 deg. 39.542’E
A-20) 1 deg. 15.003’N / 103 deg. 39.575’E

The work will include reclamation, soil investigation and dredging. Dredging work will be carried out by grab dredgers. Each grab dredger will be anchored in place by 3 spuds. The dredgers, with hopper barges in attendance, will have a circular safety working zone of 50-metre radius centered at the dredgers.

Dredged materials will be transported to the designated dumping ground by hopper barges. During operation, the dredgers will be attended by tug boats which will be used to shift the dredger.

Soil investigation work will be carried out by means of borehole drilling using jack-up barges. One jack-up barge will be deployed to work at one borehole at a time. The jack-up barge, with tug boats in attendance, will have a circular safety working zone of 30-metre radius centered at the barge.

Tugboats will be used for shifting the barge from one borehole location to another. A safety boat will be deployed in the vicinity of the working area to warn other craft of the project.

Craft involved in the works will exhibit the appropriate local and international day and night signals.

When in the vicinity of the working areas, mariners are reminded to:
a) Keep well clear of the working areas;
b) Maintain a proper lookout;
c) Proceed at a safe speed and to navigate with caution; d) Maintain a listening watch on VHF Channel 22 (Jurong Control);
and
e) Communicate with Jurong Control on VHF Channel 22 for assistance, if required.

For information about operations in Singapore contact GAC Singapore at singapore@gac.com