Office for Nuclear Regulation

Preparations for Care and Maintenance Operations - C&M readiness reviews

Executive summary

Purpose of Intervention

This inspection at the Bradwell licensed nuclear site was one os a series of planned inspections as outlined in the Integrated Intervention Strategy (IIS) for 2018/19.

Interventions Carried Out by ONR

During this inspection, ONR carried out systems based inspection (SBI) on the preparations for entry to Care and Maintenance (C&M) operations.  The inspection was targeted to the assessment of the readiness of the Bradwell site to enter the decommissioning stage of C&M, through assessing compliance with the following Licence Conditions:

The focus of the SBI was directed to the completion of physical works on the site in preparation for C&M.

This inspection also reviewed Magnox Ltd arrangements in respect of the safe transport of radioactive material, against the requirements of the Carriage of Dangerous Goods and Use of Transportable Pressure Equipment Regulations 2009

A formal level 3 meeting was held to discuss the application and granting of consent and discuss an appropriate point to apply for Consent to enter C&M.

A visit to the Sizewell A site was also undertaken to check that the arrangements to remotely manage the site are in place.

Explanation of Judgement if Safety System Not Judged to be Adequate

The demonstration of the arrangements and programme for preparation works for C&M operations was considered adequate to deliver the safety functions in the safety case, once the site has attained the defined interim end-state.

Key Findings, Inspector's Opinions and Reasons for Judgements Made

Magnox Ltd is continuing to make good progress with safe preparations for Bradwell to enter C&M. Work at Bradwell is still focussed on the physical works necessary to prepare the site and is complemented by the work at Sizewell A, mainly focussed on delivering the operational and maintenance arrangements necessary to manage the site remotely when it is in C&M.

The readiness review showed that the site still has a small amount of work to complete before it is considered to be ready to apply for consent to enter C&M, but the majority of safety related work has been completed. The remaining work is well defined and achievable in the next few weeks, some minor items may remain to be completed following ONR granting Consent, and these will subsequently reported on by Site to ONR.

Conclusions of Intervention

From the evidence gathered during this inspection I consider that the preparations for C&M will deliver the required safety functions as defined in the safety case.

The physical preparation of the Bradwell site continues to make safe progress such that the site should be ready by the agreed date for transition into C&M in November 2018.