Written answers
Wednesday, 8 June 2011
Department of Communications, Energy and Natural Resources
Offshore Exploration
9:00 pm
Richard Boyd Barrett (Dún Laoghaire, People Before Profit Alliance)
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Question 136: To ask the Minister for Communications, Energy and Natural Resources the precise methodology that will be used for detecting potential leaks of high-pressure, odourless gas during transmission from the sea bed to the projected land terminal at Rossport, County Mayo. [14668/11]
Pat Rabbitte (Dublin South West, Labour)
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The principal means through which the safety of the Corrib gas pipeline is to be achieved is that the pipeline be designed, constructed and commissioned in compliance with pipeline codes that are in keeping with best international practice. Prior to commissioning, the gas pipeline will be subject to detailed verification, including independent verification carried out on behalf of my Department. During the operation phase, the pipeline will be subject to a Pipeline Integrity Management System to ensure that the integrity of the pipeline is maintained.
In addition there will be two leak detection systems as detailed at pages 11 and 16 of Appendix Q4.1 of the published 2010 EIS. These systems include a "mass balance system" and a system based on fibre optic distributed acoustic sensing.
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