Operational event at Daya Bay Nuclear Power Station


     The Nuclear Emergency Committee Office of the Guangdong Province notified the Security Bureau today (July 15) of an operational event at Daya Bay Nuclear Power Station (DBNPS), a Security Bureau spokesperson said today.
     On July 13, during a routine inspection, station staff found that a ventilator in the electrical plant of Unit 1 of the DBNPS was rotating in a reverse direction. They immediately rectified the ventilator’s rotation direction according to the procedures. After the adjustment, it was confirmed that the ventilator had resumed normal function. The event did not affect the normal operation of the plant’s equipment, and the Unit remained in a safe condition throughout the above event.
     This event was classified as a Level 0 deviation on July 14 in accordance with the International Nuclear and Radiological Event Scale and the relevant nuclear safety regulations. It did not affect the safe operation of the Unit, the health of the workers, the nearby public or the environment.
     The Daya Bay Nuclear Power Operations and Management Co Ltd (DNMC) and the Hong Kong Nuclear Investment Company Limited (HKNIC) have released the details of this event on their websites respectively. The relevant information can be viewed in the “operational events” section under the “nuclear and radiation safety information” page of DNMC’s website (www.dnmc.com.cn) (Chinese only), or in the “media room” section under the “about HKNIC” page of HKNIC’s website (www.hknuclear.com).