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Perth notices

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

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  Warning: Semi-Submersible Rig OCEAN APEX Departure

Mariners are advised that a Semi-Submersible rig OCEAN APEX will be undertaking anchor recovery operations from 16 April 2021 at approimately 0600hrs to 19 April 2021 noon.

Mariners are advised to navigate with caution.

The Semi-Submergisble rig is currently on a 8-point anchor pattern positioned on outer anchorage #07.

  • Issued - 15/04/2021
  • Location - 31 56.44S, 115 39.79E
  • Department of Transport chart WA 001 Ocean Reef to Cape Peron

  Advice: Breakwater construction works, Ocean Reef Marina

Mariners are advised that works to construct two new breakwater groynes at Ocean Reef Marina are due to commence in mid-April 2021 and are expected to be completed around September 2022.

Works will take place Monday to Saturday, between 7am to 6pm as required, using land based heavy machinery, including long reach excavators (approximately 30m reach) positioned on the breakwaters.

The two construction work areas at the end of each breakwater will be marked by yellow special marker buoys, equipped with flashing yellow lights. 
These marker buoys will be relocated regularly to allow for construction progress.

Access to the marinas boat ramp and jetties will be maintained at all times. 

Land based operators will monitor Marine Radio VHF Channel 16 during operating hours.

Acting pursuant to the powers conferred by Section 66 of the Western Australian Marine Act 1982, I hereby close the following area of water to all vessels during the above works period:

All the waters within 50m of the Ocean Reef Marina Breakwater Northern and Southern groyne construction works. 

Christopher J Mather, Director Waterways Safety Management, Department of Transport, Maritime

Chart reference: Department of Transport Chart WA001 Ocean Reef to Cape Peron.

Mariners are advised to use caution when transiting the area and keep well clear of the above operations at all times.

  • Start date: April 2021
  • End Date: September 2022
  • Issued: 26/03/2021
  • Number: 2021-44

  Advice: Installation of Directional Wave Buoy, Offshore Trigg Vicinity

Mariners are advised that one (1) Directional Wave Rider buoy (DWR) will be deployed in the offshore Trigg vicinity around 17 March 2021 at the following location:

  • 31 52.750S, 115 43.183E

The above buoy is predominantly orange in colour, approximately 1m in diameter and equipped with flashing yellow light (flash rate: Fl Y 4s)

  • Recovery date: 20 April 2021
  • Location: 31 52.750S, 115 43.183E
  • Chart Reference: Department of Transport chart 957 Trigg

Mariners are advised to navigate with caution when transiting the above area and keep well clear of the above DWR at all times. 

  • Start date: 16/03/2021.
  • End date: 20/04/2021.
  • Issued: 17/03/2021.
  • Number: 2021 - 43

  Advice: Installation of submerged Light Logger Moorings, Offshore Ocean Reef

Mariners are advised that six (6) submerged light logger moorings have been deployed in the offshore Ocean Reef in mid-March 2021 at the following locations:

  • Location 1: 31 45.705S , 115 43.337E
  • Location 2: 31 45.498S , 115 43.252E
  • Location 3: 31 45.071S , 115 43.477E
  • Location 4: 31 43.981S , 115 43.072E
  • Location 5: 31 44.184S , 115 43.042E
  • Location 6: 31 44.600S , 115 43.169E

The above moorings will be submerged (1m at LAT) and are equipped with subsurface buoys, which are predominantly white in colour, approximately 0.2m in diameter.

  • Recovery date: 31/03/2021 
  • Chart Reference: Department of Transport chart 986 Quinns Rocks

Mariners are advised to navigate with caution when transiting the above area and keep well clear of the above light loggers at all times. 

  • Start date: 12/03/2021
  • End date: 31/03/2022
  • Issued: 14/04/2021
  • Number: 2021 - 42

  Advice: Installation of Tide Buoy, Offshore Trigg Vicinity

Mariners are advised that one (1) tide buoy will be deployed in the offshore Trigg vicinity around 26 March 2021 at the following location:

  • 31 52.610S, 115 43.217E

The above buoy is predominantly yellow in colour, approximately 1.5m in diameter and equipped with flashing yellow light (flash rate: Fl Y 4s)

  • Recovery date: 30 April 2021
  • Location: 31 52.610S, 115 43.217E
  • Chart Reference: Department of Transport chart 957 Trigg

Mariners are advised to navigate with caution when transiting the above area and keep well clear of the above tide buoy at all times. 

  • Start date:26/03/2021.
  • End date: 30/04/2021.
  • Issued: 24/03/2021.
  • Number: 2021 - 41

  Warning; Sunken Vessel Triumph, Mooring 489 - Blackwall Reach

Mariners are advised that a vessel (vessel name Triumph, vessel registration BI726, being a 11.7 metre timber fishing boat) has sunk on Mooring 489 in Blackwall Reach.

Mariners are advised to navigate with caution when transiting the area and keep well clear of the above sunken vessel.

  • Location: 32 1.57'S, 115 46.69'E
  • Chart reference: Department of Transport chart 898 Swan and Canning Rivers
  • Issued: 18/03/2021.

 

  Advice: Deployment of 2 monitoring buoys - Mangles Bay Rockingham

Mariners are advised that 2 lit monitoring buoys are scheduled to be deployed on Monday 30 November 2020 as follows: 

Monitoring buoy 1: 32 16.175'S, 115 42.233'E (approximately 560m from the shore)

  • This buoy is yellow in colour, (with solar panels and battery box), approximately 0.4m in height and equipped with flashing yellow light 
  • Flash rate: Fl Y 4s
  • Deployment period: 1-2 years

Monitoring buoy 2: 32 15.744'S, 115 42.851'E (approximately 1.4km form the shore)

  • This buoy is yellow in colour, approximately 2m in height and equipped with flashing yellow
  • Flash rate: Fl Y 4s
  • Deployment period: 2-3 years

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

Mariners are advised to navigate with caution when transiting the area and keep well clear of the above buoys at all times. 

Location: 32 16.372'S, 115 42.161'E

Chart reference: Department of Transport Chart WA001 Ocean Reef to Cape Peron

Mariners are advised to navigate with caution when transiting the area and keep well clear of the above monitoring buoys.  

  • Start date: 30/11/2020
  • End date: 30/11/2023
  • Issued: 26/11/2020
  • Number: 2020-106

  Advice: Deployment of LIDAR buoys, offshore Trigg vicinity

Description: Mariners are advised that LIDAR (Light Detection and Ranging) buoys will be deployed around 23 June 2020 in the offshore Trigg vicinity, approximately 1.5 nautical miles west of Trigg beach at the following locations:

LIDAR buoy 1: 31 52.696'S, 115 43.113'E

LIDAR buoy 2: 31 52.532'S, 115 43.318E

The above buoys will be deployed periodically at the above locations then removed and replaced with another 2 buoys at the same locations until around 23 December 2021.

Each of the above LIDAR buoys are circular buoys with side mounted solar panels and wind generators extended on top. They are yellow and black in colour, approximately 4.5m in diameter and 4m in height, and equipped with flashing yellow light.

Flash rate: Q(5) Y 20s

No vessel is to moor to or interfere with the above LIDAR buoys at any time.

Mariners are advised to navigate with caution when transiting the area and keep well clear of the above LIDAR buoys.

Location: 31 52.696'S, 115 43.113'E

Chart reference: Department of Transport Chart WA957 Trigg

  • Start date: 23/06/2020.
  • End date: 23/12/2021.
  • Issued: 23/06/2020.
  • Number: 2020-66

  Advice: Two Rocks Marina jetty works

Mariners are advised that works are scheduled to be carried out to demolish the existing Jetty P and construct a new floating Jetty P at Two Rocks Marina from 18 January 2021 to 31 July 2021, Monday to Friday, between 7am to 6pm as required.

Works, including pile removal and pile driving activities, will be carried out using a barge Seg 1 (specs: 10m x 18m) and support vessels as required. Unlit piles will be in the water inside the works area. 

Chart reference: Department of Transport Chart WA1071 Two Rocks.

Diving operations will also take place. The international code flag A will be exhibited whilst diving operations are in progress.

The works area will be delineated by yellow buoys, approx 1.3 metres in height, and equipped with yellow rhythmic lighting systems. Barge Seg 1 and associated equipment will remain in the works area outside of operating hours.

All vessels taking part in the above works will exhibit lights and shapes in accordance with the Prevention of Collisions at Sea Regulations 1983 at all times. Operators will monitor Marine Radio VHF Channel 16 and UHF Channel 72.

Access to the Two Rocks Marina fairway, boat ramp, existing jetty and charter pens will be maintained at all times.

Mariners are advised to use caution when transiting the area and keep well clear of the above operations at all times.

Mark Briant, Manager, Navigational Safety and Moorings, Maritime, Department of Transport

  • Start date: 18/01/2021.
  • End Date: 31/07/2021.
  • Issued: 03/02/2020.
  • Amended: 29/03/2021
  • Number: 2020-19

  Advice: Shallowing entrance to Two Rocks Marina

Inside entrance to Two Rocks Marina

Mariners are advised that a build-up of sand has developed inside the entrance to the Two Rocks Marina, reducing depths and the width of the navigational channel.

  • Chart reference: Department of Transport Chart WA1071 - Two Rocks.

Mariners are advised to navigate with caution when transiting the area.

Mark Beal, Navigational Aids Coordinator, Navigational Safety, Marine Safety, Department of Transport.

  • Start date:
  • End date:
  • Issued: 18/01/2019.
  • Number: 2019-19.

  Advice: Sand bar, Jetty K, Hillarys Boat Harbour

Sand Bar, Jetty K, Hillarys Boat Harbour

Mariners are advised that a sand bar has been reported at the south east corner of Jetty K (inner most jetty adjacent to the boat ramp) in the Hillarys Boat Harbour.

The build up of sand has reduced charted depths in the general vicinity.

Chart Reference: Department of Transport Chart WA957 - Trigg.

Mariners are advised to exercise caution when navigating in the Hillarys Boat Harbour adjacent to Jetty K due to reduced depth.

Authorised by: Mark Briant Manager, Navigational Safety, Marine Safety Department of Transport.

  • Start date:
  • End date:
  • Issued: 27/08/2015.
  • Number: 2015-128.

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Page last updated: Thu Apr 15 2021 9:59:35 AM