Cable leak cause found
PA Wellington Scientists have found the cause of the nitrogen leak in one of the Cook Strait’s three power cables. The co-ordinating, on-shore engineer for the cable repair project, Mr Dennis Woolmer, said that the leak was traced at the lead core of the cable where cracks were discovered.
Evidence of the leak could be seen on the outer cable where “bird-caging” or bulging of the armour wires had occurred.
The damaged cable has so far leaked more than $30,000 worth of nitrogen gas. Last month the cable-lay-ing ship Luminence lifted about 2000 m of the cable from the seabed as part of the $9 million repair job. Of that length, 100 m of the estimated bulge area was taken ashore for analysis. Meanwhile, the dispute between the shipping agents for the Luminence and the Cooks and Stewards' Union over manning the vessel has not been resolved.
The parties will meet again in Wellington today to further discuss the issue.
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Press, 11 February 1983, Page 3
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164Cable leak cause found Press, 11 February 1983, Page 3
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