Tuesday, June 14, 2005

Radioactive Spills Probed at Nuclear Sub Dock

Tue 14 Jun 2005

4:17pm (UK)
Radioactive Spills Probed at Nuclear Sub Dock

By Chris Court, PA

Investigations are being carried into two spills of radioactive liquid in a dock where a Royal Navy nuclear submarine is being refitted, it emerged today.

The move follows the service of an Environment Agency enforcement order on Devonport Royal Dockyard Limited in Plymouth.

Work is being carried out there on the nuclear powered Vanguard class submarine HMS Victorious.

DRDL reported to the EA last Friday that there had been a spillage of between 16 and 20 litres of low activity water containing Cobalt-60 during commissioning of new plant in the submarine dock.

The radioactive liquid was contained within the dock floor and monitoring showed no radioactivity was discharged to the environment.

The EA’s Nuclear Regulator for DRDL, Anil Koshti, said:” “This spill did not result in a hazard to the public or the environment.

“Nevertheless, it demonstrated that DRDL must improve certain aspects of its operations.”

A litre of the same liquid dripped from pipework three days earlier.

Devonport Management Limited, carrying out the refit, said today that technical and procedural investigations were being carried out.

A limited quantity of water containing trace levels of contamination was released from process equipment pipe work in a dry dock during the commissioning phase of some new plant, said DML.

The spillages were detected during routine inspections as the testing procedures were taking place.

There was no environmental impact beyond the confines of small areas of concrete in the dock bottom and there was no effect on staff in the immediate area of the plant.

They were “minor leaks of contaminated water onto the dock bottom,” said DML."

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