Strange

Jellyfish-Like Organisms Shut Down California Power Plant

https://youtu.be/vcdiSDw-lVQ

gty salps dm 120426 wblog Jellyfish Like Organisms Shut Down California Power PlantThe workers of the Diablo Canyon nuclear power plant received a very slimy surprise this week when they discovered hoards of jellyfish-like creatures clinging to the structure, leading to the shutdown of the plant.

The organisms, called salp, are small sea creatures with a consistency similar to jellyfish.

The influx of salp was discovered as part of the plant’s routine monitoring system, according to Tom Cuddy, the senior manager of external and nuclear communications for the plant’s operator, Pacific Gas & Electric.

“We then made the conservative decision to ramp down the affected unit to 20 percent and continued to monitor the situation,” Cuddy said. “When the problem continued, we made another conservative decision that it would be safest to curtail the power of the unit.”

The salp were clogging the traveling screens in the intake structure, which are meant to keep marine life out and to keep the unit cool.

“Safety is the highest priority,” Cuddy said. “We will not restart the unit until the salp moves on and conditions improve. No priority is more important than the safe operation of our facility.”

The plant consists of two units. Unit 1 was shut down previously because of refueling and maintenance work and will not be functional for several weeks. Now that Unit 2 has been shut down because of the influx of salp, the plant has ceased all production.

Even with the Diablo Canyon plant out of commission, PG&E has pledged to continue production using other sources of power so that customers are unaffected by the closure.

“We’ve had salp cling to the intake structure before, but nothing to this extent,” Cuddy said.

The plant’s strategy? Simply wait until the salp move on and resume production once the filters are clear.

via ABC News.

A similar thing happend in Sweden around the beinning of October 2013. The Oskarshamn nuclear power plant in southern Sweden was forced to shut down on the weekend after large amounts of jellyfish clogged up the pipes carrying cooling water to the turbines.

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