The five events that caused concern at Sellafield over the last year. The incidents took place in 2019 and included two leaks causing contamination concerns, uncertainty over cans storing nuclear material and, a lack of PPE work during operational work. Leaks and a lack of PPE are among the incidents reported at Sellafield over the last year, as revealed in the latest NDA (Nuclear Decommissioning Authority) report. The reports shares details of five “events,” including two leaks causing contamination concerns, uncertainty over cans storing nuclear material and, a lack of PPE work during operational work. Incidents at Sellafield included in NDA report 2019/2020. 1. Leak from Magnox Swarf Storage Silo, Date: November 12 2019, NDA comments: “Liquor level monitoring indicated a leak from the Magnox Swarf Storage Silo which culminated in contamination within the facility.” “There was no health risk to the workforce or the community.” Rating: This incident was rated as an INES Level 2 – an incident. What Sellafield said: “Routine liquor level monitoring on the Sellafield site indicated there has been a recent leak from the Magnox Swarf Storage Silo, a legacy storage facility which is a priority for decommissioning. 2. Uncertainty identified in weld specification of multi layered cans containing Nuclear Material. Date: July 9 2019. NDA comments: “Following a review of the outer package weld specifications of multi layered cans storing nuclear material, a potential uncertainty was identified regarding the package integrity in a loss of cooling scenario.” Rating: This was rated as an INES level 1 – an anomaly. What Sellafield said: “Following a review of the welding specifications used to seal the outer layer of a number of multi-layered cans storing special nuclear material, we identified a potential uncertainty regarding their integrity in a loss of cooling fault scenario.x3. Lack of PPE being worn during operational work. Date: September 2 2019. NDA comments: “During a post task review of the transfer of filters within the same building, it was identified that correct personal protective equipment had not been worn by some operators, however there was no impact to the people, plant or environment as a consequence.” Rating: This was rated as an INES level 1 – an anomaly What Sellafield said: “A review was carried out following the transfer of filters from one area of a Sellafield building to another area of the same building. 4. Removal of a dummy shield plug conducted outside safety case arrangements. Date: October 2 2019. NDA comments: “During operations the removal of a dummy shield plug was conducted outside the scope of the safety case arrangements. “There was no safety consequence as a result. Rating: This was rated as INES level 1 – an anomaly. What Sellafield said: “A safety case produced for the continued safe storage of nuclear material in a storage facility on site was implemented outside Sellafield Ltd arrangements. 5. Leak from concrete sump tank. Date: October 19 2019. NDA comments: “Reducing liquid levels in a concrete sump tank in the legacy ponds area of Sellafield site were detected. “Work is ongoing to characterise the reduction and additional monitoring and detection systems have been deployed. “There is no health risk to the work force or community” Rating: This was rated as an INES level 1 – an anomaly. What Sellafield said: “Sellafield Ltd has detected that the liquid levels in a concrete sump tank in the legacy ponds area of the Sellafield site have recently fallen. The loss in levels was recorded following recent maintenance work on the tank. An engineering team are assessing the tank and investigating the root cause of the liquid reduction. As a precaution we have increased the local monitoring and detection systems around the tank. There is no risk to the general public or the workforce. The relevant regulators have been notified.
Lancashire Live 29th July 2020 read more »
Two projects are set to transform Whitehaven harbour. Funded through Sellafield Ltd’s social impact, multiplied programme, the projects will open up the West Cumbrian coastline.
Sellafield Ltd 29th July 2020 read more »