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Perth notices

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

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  Advice: High level bridge repairs, The Navy Causeway – Mangles Bay Rockingham

Mariners are advised that maintenance works are scheduled to commence on the High-Level Bridge at the Navy Causeway, off Point Peron Road, Mangles Bay Rockingham, in late September 2021.

These works will take place Monday to Saturday during daylight hours and are expected to be completed around 31 January 2022.

A floating work platform (6m x 12m) and scaffolding will be used in stages for all works and will be lit by yellow flashing lights. The floating platform will be lifted to perform works to the underside of the bridge. Where the platform is lifted this will reduce clearance to the bridge deck by approximately 3.5m and will also reduce the width of the span by approximately 6m in the location of the work platform. Scaffolding will also be installed on the piers and this will reduce the width of the span by approximately 2m near the bridge deck level to provide access to the scaffold. 

Access to the navigation channel will be maintained at all times during these works.

Operators will monitor Marine VHF Channel 16 during operating hours.

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

Location: 32° 15.467’S, 115° 42.158’E

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

  • Start date: Late September 2021
  • End date: 31/01/2022
  • Issued: 15/09/2021
  • Number: 2021-127

  Advice: Marina Expansion Works – Port Coogee Marina

Mariners are advised that marina expansion works at Port Coogee Marina are scheduled to take place from Monday 6 September to Wednesday 15 December 2021. The works will include construction of a boardwalk, gatehouses, and loading berth, as well as construction of a 70 berth floating marina jetty system.

These works will impact vessel traffic entering and transiting within the marina. However, fairways and access to all existing jetties will be maintained at all times.

The works, including piling operations, will be conducted Monday to Saturday between 7am and 7pm using piling jack up barge ‘TMC1’ (12m x 7.1m), a supply barge ‘SMC 9’ (25m x 11.2m), workboats and land based equipment as required.

The works area will be delineated by yellow buoys, approximately one metre in height and equipped with flashing yellow lights. Unlit piles will be located within the confines of the works area.

Please refer below for a diagram of the works area:

Port Coogee Marina  - diagram of works area

All vessels taking part in these works will display day shapes and lights in accordance with the Prevention of Collisions at Sea Regulations 1983 at all times. Operators will monitor Marine VHF Channels16 during operating hours.

For further information regarding these works please contact SMC Supervisor Jeff Offer on 0423 117 023.

All Mariners are advised to exercise caution when transiting inside and at the entrance of Port Coogee during the above operations.

Location: 32° 6.087’ S, 115° 45.544’ E

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

  • Start date: 06/09/2021.
  • End date: 15/12/2021.
  • Issued: 18/08/2021.
  • Number: 2021-110

  Warning: Debris near Kwinana Grain Terminal

A large wooden trimaran has broken from its mooring in Mangle Bay and impacted the Kwinana Grain Terminal. The vessel has broken apart and now become submerged. There is significant debris in the vicinity.

Mariners are advised to maintain a safe lookout and travel at slow speeds. 

Lat: 32° 15.23835' S.
Lon: 115° 44.59131' E.

Chart reference: DoT chart -913 Cape Peron to Dawesville.
Issued: 2/8/2021.

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

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: 31/03/2022
  • 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° 52.610’S, 115° 43.217’E

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: 23 December 2021
  • Location: 31° 52.610’S, 115° 43.217’E
  • 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: 23/12/2021.
  • Issued: 24/03/2021.
  • Number: 2021 - 41

  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: 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.

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Page last updated: Thu Sep 16 2021 4:35:42 PM