Port of London Authority

Notice to Mariners

L5 of 2007  Borehole Operations - London Array Wind Farm

The 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 E

Batch 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 E

Batch 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 E

(See attached diagram)

 
Date Published: 25-Sep-07


Ends

Owners, Agents and Charterers should ensure that the contents of this Notice are made known to the masters or persons in charge of their vessels or craft.
 
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