 NSnet 49th Peer Review of. Ikata Power Station, Shikoku Electric Power Co.,Inc. conducted over three days period starting July 27th, was completed. A summary of the review is shown below. |
1. Reviewed Establishment (Location) |
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Ikata Nuclear Power Station, to Shikoku Electric Power Co.,Inc. located in Ikata-cho ,Uwa-gun,Ehime Prefecture.
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2. Overview of the establishment |
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Ikata Power Station is situated at the root of the Inland Sea side of narrow Sadamisaki peninsula, which extends from the extreme northwest of Shikoku towards Kyushu. The power station, operated by Shikoku Electric Power Co., Inc., has three nuclear reactors, No.1, which began operations in September 1977, No.2, which started operating in March 1982, and No.3, which has been running since December 1994. The rated power output is 566 million watts for reactor No.1, 566 million watts for reactors No. 2, and 890 million watts for reactor No. 3. This important power station is responsible for 40% of Shikoku's power output. |
3. Members of the review team, and the method of review
Review leader
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Japan Nuclear Technology Institute |
Group A
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JGC Corporation, Nuclear Development Corporation
(Fields of review: Organization/Operation and Radiation protection) |
| Group B |
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Tokyo Electric Power Company, Japan Nuclear Technology Institute
(Fields of review: Education/Training, Operations/Maintenance, Work control and Specific evaluation items) |
| Method of review |
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:Field observation, interview with persons involved, examination of documents in the above areas.
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Ikata Power Station
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Document examination
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4. Observer participation
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We conducted peer review activities with the participation of Mr. Minoru Yoshida, Chief Assessor for QMS/EMS/OHSAS at ABS QE Japan Inc. Mr. Minoru Yoshida also participated in a review of quality assurance program. |
5. Results of this review
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| (1) Main Conclusions |
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In summing up this review of the Ikata Power Station, Shikoku Electric Power Co.,Inc,
we have not found any item in the nuclear safety field that would lead to a serious accident unless immediate remedies were taken. |
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To coincide with the introduction of quality management systems at Ikata Power Station, the superintendent has established "organizational quality goals", which are based on the "quality guidelines for nuclear power safety" laid down by the company president. Moreover, each group leader has established "individual quality goals" for their group. In addition to implementing concrete policies for nuclear power safety in this way, the power station management aims to raise safety awareness through the distribution of e-mails regarding the "quality guidelines" and distributing information cards. The power station is also doing its utmost to promote compliance and ensure that all executives and employees have a higher level of compliance awareness in addition to implementing various measures to eliminate human error, including the implementation of third-party surveys for that purpose. |
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Good Practices, and Suggestion for Improvement. |
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This Peer Review selects good practices that should be widely introduced to other NSnet members and within the nuclear power industry. On the other hand, this Peer Review makes a suggestion for improvement that would be useful in improving the safety culture at Ikata Nuclear Power Station, Shikoku Electric Power Co.,Inc. that were the focus of the Peer Review. |
A brief look at Good Practices *1 and Suggestions for improvement *2 follows below.
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a. Good Practices
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Fields of review |
Summary of Good Practices |
Organization/Administration |
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Implement wide-ranging safety activities including smooth information exchange with partner companies. |
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Education/Training |
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Improve and make active use of the repair technology database |
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Operations/Maintenance |
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Conduct preliminary verification of check sheet items through use of the simulator.
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Implement voluntary survey of sealing work in penetrating parts that are outside the scope of the survey. |
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| Special evaluation items |
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Active measures to address human factors |
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b. Suggestion for Improvement
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Fields of review |
Summary of Suggestion for Improvement |
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Documentation of plans for communication with affiliated companies. |
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*1 : Good Practices
Information on good practices incorporating appropriate, effective, and unique methods into activities to ensure safety should be widely distributed to the members of the NSnet and the nuclear power industry.
*2 : Suggestions for Improvement
After comparing the practices of Ikata Power Station, Shikoku Electric Power Co.,Inc
with the best in the nuclear power industry , suggestion to improve and enhance safety activities should be implemented to achieve the highest level of nuclear safety.
Even if current activities are equal to or higher than general standards in the nuclear power industry, suggestion is taken up in case there is still room for improvement.
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