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1-3 Pier Place, Lower Upnor, Rochester, Kent ME2 4UY Wind farms in the Thames Estuary - safety notices
Port of London - River Thames NOTICE TO MARINERS
No.L5 of 2007BOREHOLE OPERATIONS -
LONDON ARRAY WIND FARMThe jack up rig 'Excalibur' call sign YJXQ5 will be undertaking borehole & cone penetration test work within London Array site in the Knock Deep & Long Sand areas.
The work is expected to commence during the first week of October and continue until the end of the year.
The Excalibur will display in accordance with international collision regulation rule 27 (b) restricted in ability to manoeuvre signal lights & shapes. The Excalibur will maintain a listening watch on port channel VHF 69.
All vessels are to proceed with caution at reduced speed giving the rig a wide berth.
Work will be undertaken in three batches.
Batch 1: 6 boreholes
NA13 51° 59.0062 N 1° 43.6351 E
NB10 51° 58.5344 N 1° 46.7147 E
NJ11 51° 64.3495 N 1° 53.6111 E
NM19 51° 69.4536 N 1° 50.7805 E
NM15 51° 67.9196 N 1° 53.6209 E
NL12 51° 66.0904 N 1° 54.8008 EBatch 2: 27 CPTs in SE followed by 5 boreholes
NSS2 (fixed) 51º 35.8556N 1º 31.3015 E
ND06 51° 583578 N 1° 51.4534 E
NF02 51° 581812 N 1° 56.1937 E
NG06 51° 603939 N 1° 54.3040 E
NJ06 (tentative) 51° 624300 N 1° 57.1557 EBatch 3: 26 CPTs followed by 3 boreholes
NSS1 (fixed) 51º 38.0228N 1º 27.2509 E
NJ19 51° 674175 N 1° 47.9309 E
NJ15 (tentative) 51° 65.8835 N 1° 50.7713 E25th September 2007
Port of London Authority
London River House
Royal Pier Road
Gravesend, Kent DA12 2BGDAVID SNELSON
CHIEF HARBOUR MASTEREXPIRY DATE: 31st December 2007
Port of London - River Thames NOTICE TO MARINERS
No.L3 of 2007Gunfleet Sands 1 & 2 Offshore Wind Farm Borehole Operations Mariners are advised of the following offshore operation within the Gunfleet Sands 1 & 2 offshore wind farm area & export cable route.
Approx start date: 24th May 2007
Approx end date: 21st June 2007 (excluding weather days)
Borehole operations are to be carried out by Jack up vessels Vagant & Tijl II within the following coordinates:
Corner Latitude N Longitude E
1 51°48,4270' 1°12,7441'
2 51°48,3049' 1°12,8892'
3 51°45,9845' 1°13,1638'
4 51°45,7205' 1°13'1116'
5 51°44,6734' 1°13,4629'
6 51°45,1040' 1°14,5690'
7 51°44,8359' 1°17,4253'
8 51°44,6201' 1°18,2839'
9 51°42,1420' 1°11,6758'
10 51°42,5687' 1°11,3289'
11 51°42,7570' 1°11,8160'
12 51°43,6700' 1°10,8920'
13 51°44,5997' 1°13,2742'
14 51°45,7145' 1°12,9004'
15 51°45,9873' 1°12,9542'
16 51°48,2581' 1°12,6854'
17 51°48,3502' 1°12,5759'All vessels are required to give survey vessels a wide berth and pass at a safe distance when working or navigating within these site coordinates during the period of the survey.
Additional information on operation can be obtained by contacting London VTS on VHF channel 69.
17th May 2007
Port of London Authority
London River House
Royal Pier Road
Gravesend, Kent DA12 2BGDAVID SNELSON
CHIEF HARBOUR MASTEREXPIRY DATE: To be advised
Port of London - River Thames NOTICE TO MARINERS
No.L1 of 2006THAMES ESTUARY KENTISH FLATS
OFFSHORE WIND FARMNotice to Mariners L14 of 2005 established an exclusion zone around each wind turbine of the Kentish Flats Offshore Wind Farm for the duration of the construction phase. The Kentish Flats Offshore Wind Farm is now operational and the exclusion zones are no longer in force.
In order to preserve the safety of mariners and the electrical connection to the installations, NO VESSEL IS TO APPROACH WITHIN 50 METRES OF ANY TURBINE TOWER.
5th January 2006
Port of London Authority
London River House
Royal Pier Road
Gravesend, Kent DA12 2BGREAR ADMIRAL A.B. RICHARDSON CB
CHIEF HARBOUR MASTEREXPIRY DATE: to be advised
NOTICE TO MARINERS
No.L14 of 2005THAMES ESTUARY
KENTISH FLATS
WIND FARM CONSTRUCTION WORKSCommencing on or soon after16th May 2005, construction works will commence to install the turbines on the Kentish Flats Offshore Wind Farm within an area bounded by the following co-ordinates (WGS 84):
South-west corner
51° 26.82N 001° 04.85E
South-east corner
51° 27.14N 001° 08.04E
North-west corner
51° 28.11N 001° 03.23E
North-east corner
51° 28.43N 001° 06.42E
Turbine installation works will be carried out by the semi-jack-up ship 'SEA ENERGY' During the construction phase an exclusion zone of radius 500m will be established centred on the 'SEA ENERGY'. On completion of the installation of each turbine the exclusion zone round each pile will revert to a radius of 50m. Work is expected to take 4 months to complete.
'SEA ENERGY' will maintain a listening watch on VHF channel 69. Further information will be broadcast by London VTS as appropriate.
All vessels unconnected with the construction site should observe exclusion zones and navigate with extreme caution in the vicinity of the wind farm site.
3rd May, 2005
Port of London Authority
London River House
Royal Pier Road
Gravesend, Kent DA12 2BGEXPIRY DATE: to be advised
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