Office for Nuclear Regulation

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Torness Power Station - Licence Condition Compliance Inspections covering LC32, LC33, LC34

Executive summary

Purpose of intervention

The purpose of this joint ONR / SEPA / INA intervention was to conduct Licence Condition (LC) compliance inspections at EdF Energy Nuclear Generation Limited's (NGL) Torness Power Station in accordance with the planned inspection programme contained in the Torness Integrated Intervention Strategy (IIS) for 2016/17.

The joint inspection team was composed of ONR and SEPA nominated site inspectors and INA's regulatory lead for Torness.

Interventions Carried Out by ONR

This intervention included compliance inspections against the following site Licence Conditions (LCs):

The ONR nominated site inspector also held a routine update meeting with the station's Technical and Safety Support Manager (TSSM).

Explanation of Judgement if Safety System Not Judged to be Adequate

No safety system inspection was undertaken; hence this section is not applicable.

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

Plant walkdown:  ONR, SEPA and INA identified the Gas By-Pass Plant (GBPP) as an area of common interest, and the plant walkdown was therefore centred on this area of plant.  The joint regulators noted Torness' ongoing work to improve GBPP on-line times, and observed that good standards of housekeeping are being maintained in this area of restricted access.

Licence condition 32: The joint regulators inspected EdF's corporate and station LC32 compliance arrangements, and inspected their implementation by examining station records of the High Active Debris Vault; all records were found to be adequate.  The inspection team also saw appropriate evidence of use of the waste management hierarchy, thereby ensuring that waste is suitably minimised and segregated at source.

Licence condition 33: The inspection team inspected EdF's corporate and station LC33 compliance arrangements, and found Torness' suggested approach for responding to an ONR direction to be acceptable.

Licence condition 34: The inspection team inspected EdF's corporate and station LC34 compliance arrangements, and inspected the implementation of ‘control and containment' by examining Torness' progress against recommendations identified in the independent 2013 & 2016 LC34 assessment reports. Progress was found to be satisfactory.  The inspection team also examined the station's ability to respond to potential leaks by examining records of drainage sumps.  All were found to be in order.  

Based on the areas sampled during the course of this joint ONR / SEPA / INA inspection, ONR judged that Torness' arrangements and the implementation of those arrangements meet the requirements of ONR LC32, 33 and 34 inspection guidance. The nominated site inspector has therefore assigned inspection ratings of ‘green' against the LC32, 33 and 34 elements of this inspection.

The intervention was performed in line with ONR's guidance requirements (as described in our technical inspection guides) in the areas inspected.

The ONR nominated site inspector also held a routine update meeting with the station's Technical and Safety Support Manager, to obtain updates on station progress against previously identified issues.

Conclusion of Intervention

The nominated site inspector is satisfied that the arrangements and their implementation at Torness for LC32, 33 and 34 are adequate, and judges that the outcome of the sample inspections undertaken meet expectations detailed within relevant ONR inspection guidance. The site inspector has therefore assigned an inspection rating of ‘green' for LC32, 33 and 34.

There are no findings from this inspection that could significantly undermine nuclear safety or which would result in changes to the planned interventions and inspections of Torness Power Station.