Emergency shutdown and pump failures preceded Auckland fuel pipeline rupture

Emergency shutdown and pump failures preceded Auckland fuel pipeline rupture

Tom Pullar-Strecker | Stuff

Refining NZ spokesman Greg McNeill said the emergency shutdown was caused by a maintenance worker who accidently triggered a fire alarm at a pumping station part way along the 170 kilometre pipeline.

Two of the three pumps that were installed part way along the pipeline failed to restart when the refinery began pumping fuel back through the pipeline about 20 minutes later.

That caused a pressure rise at some points along the pipeline, including at Ruakaka where the already-weakened pipeline broke later that morning spilling 70,000 litres of jet fuel, according to a report engineers WorleyParsons provided to Northland Regional Council…(Read the full story)

 

 

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