Pilbara notices

View navigational warnings, event notices and Temporary Notices To Mariners for the Pilbara region.

 Advice:  Advice – Installation of x 2 Directional Wave Monitoring Buoys - Exmouth Gulf

Mariners are advised that two Directional Wave Rider Buoys (DWRB) are scheduled to be deployed approximately 4 NM East of Point Murat and 10 NM East of Learmonth in the

Exmouth Gulf at the following locations:

21° 48.090'S 114° 15.924'E
22° 11.000'S 114° 15.900'E

The above DWRB’s are yellow in colour, approximately 0.42m in diameter and equipped with a flashing yellow light.

Flash Rate: Fl Y 2.5s

Mariners are advised to navigate with caution when transiting the area and keep well clear of the DWRB’s at all times.
Chart reference: AUS744 - Exmouth Gulf and Approaches
Location: -21: 55.4040'S  114: 17.0786'E
Start date: 19/01/2024
End date: 31/12/2026
Issued: 19/01/2024
Notice number: 5965

 Advice:  Scheduled maintenance dredging works to occur at Port Walcott

Mariners are advised that the Port Walcott maintenance dredging works are scheduled to commence on 15 January 2024 and are expected to be completed by approximately the 9 February 2024. Dredging will be undertaken in the Rio Tinto Iron Ore berth pockets, turning basins and navigation channels, with material placed offshore in 3 offshore spoil grounds shown on Chart AUS55.

The Jan de Nul Trailing Suction Hopper Dredge (TSHD) Juan Sebastian de Elcano “Elcano” (LOA: 158m) will be the primary dredge vessel undertaking the works. The Elcano will be assisted by the following support vessels:

- “MTS Vantage” sweepbar and support tug (LOA: 23.8m)
- “Enrybo Kae” survey support and crew transfer vessel (LOA: 21.3m)
- “Empress” survey support vessel (LOA: 22.3m)

These vessels will be operating on a 24/7 basis. Other supply and support vessels may also be used during the works.

Please navigate with caution and keep clear of the above vessels during the dredging works. For further information regarding these works please contact Port Engineer, Marine Operations - Todd Irvine on 9386 6437
Chart reference: AUS55 - Approaches to Port Walcott
Location: -20: 29.0749'S  117: 15.5485'E
Start date: 15/01/2024
End date: 19/02/2024
Issued: 08/01/2024
Notice number: 5946

 Advice:  Thevenard Island Platform Decommissioning Works

Mariners are advised that vessel operations for decommissioning of the Thevenard Island Offshore Platforms is scheduled to take place from 17th December 2023 to 17th April 2024 at the following locations (See attachment):

Chart Reference:
• AUS 64 – Approaches to Onslow
• AUS 743 – Barrow Island to Onslow

The primary vessel to perform the platform decommissioning is the anchored crane barge “WB400” (LOA: 120.0m) that will be moored in an eight (8) anchor spread. The WB400 has two full sets of anchors, one “working set” of 8 where the WB400 is working and the second “pre-lay set” of 8 will be removed from the previous platform location and installed at the upcoming platform location sequentially, in the order shown in the table above. Anchors will have one or two surface buoys each with a fixed all-round continuous white light.

When working within the area the WB400 is required to maintain an exclusion zone at a 1500m radius. Each of the WB400 “working set” of anchors will be within the exclusion zone. The decommissioning activities will involve both topside work and dive operations. All diving is planned to take place from the WB400.

The WB400 will be assisted by the following support vessels:
- “Mermaid Strait” main support and anchor handling tug (LOA: 52.4m)
- “Renegade” shoal buster tug (LOA: 31.1m)
- “Henderson” 250’ cargo barge (LOA: 76.2m)
- “Keller Ocean” multicat (LOA: 26.0m)
- “George” pusher tug (LOA: 15.0m)
- “Sea Stryder” crew transfer vessel (LOA: 20.0m)

Operations on the WB400 and Mermaid Strait will take place 24 hours a day however other vessels will ordinarily only operate during daylight hours. Vessel operators will monitor Marine VHF channels 14 and 16 during operating hours.

A temporary mooring will be installed to moor the Henderson barge or other vessel during standby periods. The temporary mooring will display a fixed all-round continuous white light. The temporary mooring is planned to be located in designated anchoring zones at the adjacent platform location to where the WB400 is working at the time. All vessels may remain in the field overnight moored alongside the WB400, on the temporary mooring or connected to one of the “pre-lay set” anchors.

Following the decommissioning of Saladin A and Saladin B A Lit Eastern Cardinal Aid to Navigation – Sequence – Quick Flashing White – Group of 3 – every 10 second (Q (3) 10s) Range 5 Nautical Mile (5NM) positioned at -21 degrees 26.39500’S – 115 degrees 3.47400’E (coordinates are in GDA94 DDM) will be permanently installed.

All vessels taking part in these works shall display shapes and lights in accordance with the Prevention of Collisions at Sea Regulations 1983 at all times.

The table attached lists the planned status at the end of these operations for each of the locations:

Where structures have been left above seabed, it is being done in accordance with permits to create an integrated artificial reef at these locations. A secondary campaign will be undertaken to complete these reefs by installing purpose built concrete reef modules at these locations.

Mariners are advised to navigate with caution when transiting the area and keep clear of the above operations at all times.
Chart reference: AUS64 - Approaches to Port of Ashburton and Onslow
Location: -21: 33.0265'S  114: 59.2548'E
Start date: 14/12/2023
End date: 17/04/2024
Issued: 14/12/2023
Notice number: 5921

 Advice:  Diving and ROV Operations - White’s Beach, West Side of Barrow Island

Mariners are advised that diving and ROV (Remotely Operated Vessel) operations are scheduled to take place approximately 400m to 1300m offshore from Whites Beach, west side of Barrow Island from around 15 December2023 and are expected to be completed by July 2024.

The works will take place 24/7 from vessel ‘Bhagwan Dryden’ (57m x 16m) and support vessels as required.

4 temporary mooring anchors will also be installed at the following locations as part of these works:

20: 40.97S | 115: 24.35E

20: 41.17'S | 115: 24.85E

20: 41.62S | 115: 24.66E

20: 41.43S | 115° 24.16E

The above mooring anchor locations will be marked by yellow buoys, approximately 3m in height and equipped with flashing yellow lights (Fl Y 3 sec).

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.

The International Code Flag ‘A’ will be displayed whilst diving operations are underway.

Operators will monitor Marine VHF channel 16 during operating hours.
Mariners are advised to use caution when transiting the area and keep well clear of the above operations.
Chart reference: AUS65 - Approaches to Barrow Island
Location: -20: 40.8980'S  115: 24.530'E
Start date: 15/12/2023
End date: 15/07/2024
Issued: 15/12/2023
Notice number: 5900

 Advice:  Installation of Commercial Mooring - Enderby Island Vicinity

Mariners are advised that one (1) commercial mooring is scheduled to be installed on 12 October 2023 and 13 October 2023 in the Enderby Island vicinity:

The above commercial mooring is yellow in colour, unlit and approximately 1.8m in diameter.

Only licensed and authorised vessels may use the above commercial mooring buoy at any time.

Mariners are advised to navigate with caution when transiting the area and keep well clear of the above commercial mooring buoy.
Chart reference: AUS57 - Dampier Archipelago
Location: -20: 36.785'S  116: 33.818'E
Start date: 03/10/2023
Issued: 03/10/2023
Notice number: 5832

 Advice:  13 x Seabed Environmental Monitoring Buoys - Dampier Archipelago

Mariners are advised that 13 seabed environmental monitoring instruments will be deployed in the Dampier Archipelago around Friday 5 May 2023 at the following locations:
1. Conzinc Island - 20° 32.173’ S, 116° 46.668’ E.
2. Conzinc Island - 20° 32.456' S, 116° 46.399' E.
3. COBN - 20° 32.417' S, 116° 48.193' E.
4. Angel Island - 20° 30.710' S, 116° 47.127' E.
5. Hauy Island - 20° 26.747' S, 116° 58.233' E.
6. Flying Foam Passage - 20° 29.504' S, 116° 49.060' E.
7. Gidley Island - 20° 28.261' S, 116° 47.794' E.
8. Hamersley Shoal - 20° 22.713' S, 116° 47.519' E.
9. High Point - 20° 32.398' S, 116° 41.059' E.
10. Courtenay Shoal - 20° 28.155' S, 116° 42.273' E.
11. Lady Nora Island - 20° 26.765' S, 116° 37.527' E.
12. Legendre Island - 20° 21.202' S, 116° 50.450' E.
13. Malus Islands - 20° 31.543' S, 116° 39.603' E.

Each of the above instruments consists of a yellow surface buoy (approximately 750mm wide x 920mm height and equipped with solar panels and a flashing yellow light) attached to a seabed frame (1100mm x 1100mm x 1000mm).

Flash rate: Fl Y 4s

Provisional recovery date: May 2024

No vessel is to moor to or interfere with the above instruments and surface buoys at any time.

Mariners are advised to exercise caution when transiting the area and keep well clear of the above environmental monitoring equipment.
Chart reference: AUS57 - Dampier Archipelago
Location: -20: 28.495'S  116: 44.770'E
Start date: 15/05/2023
End date: 01/05/2024
Issued: 15/05/2023
Notice number: 5682

 Advice:  Subsurface Monitoring Stations Fortescue River Pilbara

Mariners are advised that 4 subsurface monitoring stations have been deployed on 7 July 2022 in the Fortescue River, Cape Preston vicinity, at the following locations:

• 21.001°S, 116.101°E
• 21.008°S, 116.097°E
• 21.009°S, 116.097°E
• 21.012°S, 116.098°E

Each of the above monitoring stations consists of instrument sensors mounted on a frame on the riverbed with ground line and subsurface float protruding approximately 0.5m from the riverbed.

Recovery date: 31/12/2023

Mariners are advised to exercise caution when transiting the area and keep well clear of the above monitoring stations.
Chart reference: AUS743 - Barrow Island to Onslow
Location: -21: 0.060'S  116: 6.06'E
Start date: 07/07/2022
End date: 31/12/2023
Issued: 29/07/2022
Notice number: 2102

 Advice:  Compulsory pilotage requirements, Port of Barrow Island

Vessel masters are reminded that all vessels wishing to transit or operate within the port limit which either:

Have a LOA of 35 meters or greater; or
Are engaged in towing operations where the total length of the tow (measured from the bow of the towing vessel to the stern of the towed vessel) is 35 metres or greater.

Are required to engage the services of a suitably licensed marine pilot or the vessel Master must be the holder of a current Port of Barrow Island Pilot Exemption Certificate.

Vessels, vessel Masters or operators of vessels affected by this requirement are invited to approach the Department of Transport Harbour Masters office at port.ops@transport.wa.gov.au to apply for a Pilot Exemption Certificate to be issued.

Authorised by: Captain Steven Wenban, Harbour Master, Port of Barrow Island, Marine Safety Department of Transport.
Chart reference: AUS65 - Approaches to Barrow Island
Location: -20: 49.1070'S  115: 29.6101'E
Start date: 08/02/2018
Issued: 08/02/2018
Notice number: 2018-17

 Advice:  Compulsory pilotage requirements, Port of Onslow

Vessel masters are reminded that all vessels wishing to transit or operate within the port limit which either:

Have a LOA of 35 meters or greater; or
Are engaged in towing operations where the total length of the tow (measured from the bow of the towing vessel to the stern of the towed vessel) is 35 metres or greater.

Are required to engage the services of a suitably licensed marine pilot or the vessel Master must be the holder of a current Port of Onslow Pilot Exemption Certificate.

Vessels, vessel Masters or operators of vessels affected by this requirement are invited to approach the Department of Transport Harbour Masters office at port.ops@transport.wa.gov.au to apply for a Pilot Exemption Certificate to be issued.

Authorised by: Captain Steven Wenban, Harbour Master, Port of Onslow, Marine Safety Department of Transport.
Chart reference: AUS64 - Approaches to Port of Ashburton and Onslow
Location: -21: 40.4615'S  115: 0.5372'E
Start date: 08/02/2018
Issued: 08/02/2018
Notice number: 2018-19

 Advice:  Compulsory pilotage requirements, Port Walcott

Vessel masters are reminded that all vessels wishing to transit or operate within the port limit which either:

Have a LOA of 35 meters or greater; or
Are engaged in towing operations where the total length of the tow (measured from the bow of the towing vessel to the stern of the towed vessel) is 35 metres or greater.
Are required to engage the services of a suitably licensed marine pilot or the vessel Master must be the holder of a current Port Walcott Pilot Exemption Certificate.

Vessels, vessel Masters or operators of vessels affected by this requirement are invited to approach the Department of Transport Harbour Masters office at port.ops@transport.wa.gov.au to apply for a Pilot Exemption Certificate to be issued.

Authorised by: Captain Steven Wenban, Harbour Master, Port Walcott, Marine Safety Department of Transport.
Chart reference: AUS55 - Approaches to Port Walcott
Location: -20: 35.0793'S  117: 11.1491'E
Start date: 08/02/2018
Issued: 08/02/2018
Notice number: 2018-21

 Advice:  Sawfish acoustic receivers – Inshore Mary Anne Passage

Mariners are advised that 9 sawfish acoustic receivers are scheduled to be installed around 20/01/22 inshore at Mary Anne Passage, north of Onslow, at the following locations:

Locations:
Location Coordinates
1 Mardie N Offshore 21.067°S, 115.923°E
2 Mardie N Inshore 21.083°S, 115.925°E
3 Second Creek 21.135°S, 115.883°E
4 First Creek 21.117°S, 115.890°E
5 Third Creek 21.152°S, 115.869°E
6 Fourth Creek 21.175°S, 115.858°E
7 Offshore Fourth Creek 21.173°S, 115.838°E
8 Mardie S inshore 21.252°S, 115.818°E
9 Mardie S Offshore 21.232°S, 115.805°E
Each of the above receivers are attached to a weight and lifting line on the seabed protruding approximately 30cm from the seabed, and are marked by an unlit yellow surface buoy, approx. 70cm in diameter.

Recovery date: 30/11/2023

No vessel is to moor to or interfere with the above receivers and surface buoys at any time.

Chart reference: Chart AUS743 – Barrow Island to Onslow

Mariners are advised to exercise caution when transiting the area and keep well clear of the above receivers.
Chart reference: AUS743 - Barrow Island to Onslow
Location: -21: 06.2670'S  115: 51.7360'E
Start date: 20/01/2022
End date: 30/11/2023
Issued: 18/01/2022
Notice number: 2022-09
Page last updated: Tue Feb 15 2022 11:25:09 AM