Notice to Mariners No 8 of 2018
16 April 2018
SOUTH AUSTRALIA – BACKSTAIRS PASSAGE – CUTTLEFISH BAY AND FISHERY BEACH (Cancelled on 8 August 2019)
Mariners are advised that preparatory works will be conducted at two shore crossing locations either side of Backstairs Passage in the vicinity of Kangaroo Island (Cuttlefish Bay) and Cape Jervis (Fishery Beach). These works are scheduled to commence around 28 April 2018 and are expected to take approximately 4 weeks to complete.
The preparatory works will be carried out from the “AMS 1” Dive Support Vessel, equipped with an air diving spread, pneumatic percussion drilling, hydraulic dredging and RTK survey equipment. Operations will take place during daylight hours and the “AMS 1” will be secured within Christmas Cove (Kangaroo Island) between shifts.
“AMS 1” will be stationed at each diving location utilising a fore and aft anchor mooring spread which will remain in situ overnight at each subsequent diving location. Moorings left overnight will be close to shore and marked by small yellow buoys. In addition, the work areas close to shore will be delineated via two lit special marks, with the flash sequence FL 1.5s
Diving operations will take place for the majority of these works. The international code flag “A” will be exhibited whilst diving operations are in progress. Diver and vessel excursions will be communicated with Flinders Ports VTS on a daily basis.
All vessels taking part in these works will exhibit shapes and lights in accordance with the Prevention of Collisions at Sea Regulations 1983 at all times. Operators will monitor VHF Channels 14 and 16 during operating hours.
Charts affected: AUS Chart 126
Mariners are advised to use caution when transiting the area and keep well clear of the above operations
Adelaide, 13 April 2018
Manager Marine Operations
Department of Planning, Transport & Infrastructure.