Subject: DEBRIS CLEARANCE SURVEY (BATHYMETRIC) – SHELL FLATS – BATHYMETRIC SURVEY – WEST of DUDDON SANDS WIND FARM – INFIELD (OR INTER-ARRAY) CABLES AND SECTIONS OF THE EXPORT CABLE CROSSINGS
SHELL FLATS – MET MASTS
The delayed Debris Clearance (Bathymetric) Survey for the area around the two Met Masts that are situated on the Shell Flats Bank will now start on Sunday 23rd April
The survey will, as advertised, be carried out by the 15 meter Bibby Hydromap survey catamaran ‘LIA’ using highly sensitive equipment which includes high resolution multi-beam echo sounders to map any debris on the seabed in a 300m x 300m box around each Mast and a wide berth, minimum 500 meters, is requested whenever the vessel is on site at either Mast
Attached for information is a small chartlet which shows the locations of the two Met Masts on the Shell Flats identifying Masts 1 and 2 with the Lat and Long positions in the top right hand corner. (1st attachment)
This survey will last for one day only, ‘LIA’ will then transit to Fleetwood and berth overnight
As long as weather and conditions remain favourable ‘LIA’ will then sail on Monday 24th to start the delayed Bathymetric Survey at the WEST of DUDDON SANDS WIND FARM SITE AND EXPORT CABLE ROUTE
WEST of DUDDON SANDS WIND FARM – BATHYMETRIC SURVEY
WIND FARM INFIELD (OR INTER-ARRAY) CABLES AND SECTIONS OF THE EXPORT CABLE
This Bathymetric survey will cover all of the Infield (or Inter-Array) Cables as well as all of the crossings along the Export Cable Route.
All mariners should please note that as on the previous survey ‘LIA’ will be using highly sensitive Multi Beam Echo Sounding Equipment and a wide berth, minimum 500 meters, is requested around the vessel at all times and passing vessels are requested to reduce speed if possible.
Please note that the survey along the Export Cable Route will be concentrated at Cable crossings and at sections of cable where scour mitigation/protection works have been carried out.
‘LIA’ will operate on a 12hr (daylight only) schedule and survey operations are expected to last for approx. 8 days, depending on weather and conditions.
Attached for information is a small chartlet which shows the Wind Farm Layout with the Infield (or Inter-Array) Cables to be surveyed shaded red as well as the general run of the Export Cable with the main areas of survey identified, there is also a picture of ‘LIA’ (3rd Attachment)
Also attached for information is the ‘Kingfisher Flyer’ which gives all of the relevant information concerning the WEST of DUDDON SANDS WIND FARM including the Export Cable Route.
Please note that both the ‘Chartlet’ and the ‘Kingfisher Flyer’ are provided for information purposes only and should not be used for navigation.
A listening watch will be kept on VHF Channels 16 & 12 and ‘LIA’ can be contacted for information relating to survey operations only, ‘LIA’ will also monitor Channel 14 when in the approaches to Heysham
Please do not hesitate to contact me if you require any further information
Regards : Tom Watson
Tel……….. Mobile 07903 173 624
Home 01253 875565