2006, National Physical Laboratory, Lynn and Inner Dowsing, Underwater Noise Monitoring During Test Pile Installation

This report describes work undertaken by the National Physical Laboratory and Loughborough University to monitor the underwater acoustic noise during the installation of a test pile at the Lynn Offshore Wind Farm. The work took place on the morning of 17th April 2006 at 530 07.168’ N 00 24.567’ E approximately 6 km off-shore from Skegness. Detailed assessment of underwater noise levels were made throughout the piling sequence (a little over 4 hours) at two locations in a direction toward Gibraltar Point corresponding to ranges of 57 m and 1,850 m.