Gwynt y Môr Windfarm: Weekly Progress Report, 22nd April 2013

This is a summary of the weekly notice of operations for the Gwynt y Môr Offshore Windfarm issued on 22nd April 2013 to harbour masters and sea users.  This notice describes progress with construction, recent operations, work planned for the next 7 days, and provides a list of vessels operating on the site with their contact details.

Wind Farm Construction Status

Progress with construction is illustrated in a map here, and summarised below:-

• Monopiles: 80 installed, 80 remaining
• Transition pieces: 64 installed, 96 remaining
• Export cables: 1st cable (East) laid, due to be joined from 1st April 2013 (see notice here).  2nd cable (East) due to be laid from 1st April 2013 (see notice here).
• Array cables: H13G – J12G installed; laying sequence will continue.

Navigation Hazards

There are presently a number of navigation hazards in and around the windfarm area.  These include:-

• Unlit objects – there are presently 10 unlit monopiles within the windfarm boundary.  Information about these hazards can be accessed here.
• Exposed monopiles – there are currently 17 exposed monopiles, which may be submerged at certain states of tide.  Advice about exposed monopiles is given in our previous notice here.

The location of these hazards is shown in a map here.

Work carried out over past 7 days

The following work has been carried out in the past week:

• Friederich Ernestine has been in Cammell Laird Wet Basin and is now back at Gwynt y Môr Wind Farm to continue with Transition Piece installation.
  
• Cable Enterprise and support vessels continued work installing export cable 2 and has now completed work at Pensarn Beach (see our previous notice here).
• Stemat 89 and support vessels made a port visit to Liverpool and is ow continuing with export cable joint repair (see our previous notice here).
• Tideway Rollingstone continued the armour layer stone placement campaign and had a Port visit to Barrow to reload cargo (see our previous notice here).
• Penrhos Bay, Penrhyn Bay, Caernarfon Bay, Gardian, Gaillion, Chinook and Scirocco utilised as Crew Transfer Vessels when required and sailed from Liverpool Marina and Canada Dock 3.  Emergency Rescue Teams embarked on relevant CTVs
• Colwyn Bay and Kinmel Bay utilised as Crew Transfer / Stand by vessel as required and based at Liverpool Marina.
• Isadale  is performing guard duties at Gwynt y Môr Wind Farm and will be used as the Marine Mammal Observation vessel as and when required.
• Normand Tonjer has continued diving operations and has assisted Polar Princewhen required for cable pulling operations.
• Terramare 1 continued diving operations at the wind farm.
• Seatruck Pace continued deliveries of wind turbine generator parts to Mostyn.
• Polar Prince has been carrying out inter-array cable installation and made a port call to Liverpool.
• Construction of the CTV pontoon at Base Harbour, Birkenhead has been completed and final commissioning is still taking place.

Work planned for next 7 days

The work planned for the next 7 days on the site is:

• Friederich Ernestine will continue with TP installation in the windfarm area.
• Cable Enterprise and support vessels will continue laying export cable 2 (see our previous notice here).
• Stemat 89 and support vessels will continue with export cable joint repair (see our previous notice here).
• Tideway Rollingstone will continue the armour layer stone placement campaign (see our previous notice here).
• Sea Jack turbine installation vessel is expected to arrive at the Port of Mostyn (see our previous notice here).
• Terramare 1 will continue diving operations at the wind farm.
• Tremadoc Bay, Colwyn Bay, Kinmel Bay, Penryn Bay, Penhros Bay, Caernarfon Bay, Gardian, Gaillion, Chinook and Scirocco will be utilised as Crew Transfer / Stand by vessels running out of Liverpool Marina and Canada Dock, Liverpool.
• Normand Tonjer will continue diving operations including work with the Polar Prince to aid installation of array cables.
• Polar Prince will continue with cable laying operations at Gwynt y Môr Offshore Wind Farm.
• Isadale will continue performing guard duties and will be used as the Marine Mammal Observation vessel as and when required.
• JB114 and support vessels will continue OSP commissioning (see our previous notice here).

List of vessels at site for next 7 days

The vessels that will be operating on the site over the next 7 days and their contact details are given below.  We have linked up the vessel names to MarineTraffic.com so that with just one mouse click you can find out more about their current location and recent activity.