Results of sixth regular inspection of No.6 plant in Fukushima No.1 Nuclear Power Station, Tokyo Electric Power Co., Inc

The sixth regular inspection of No.6 plant in Fukushima No.1 Nuclear Power Station was carried out from November 5, 1986, to March 24, 1987. The parallel operation was resumed on February 26, 1987, 114 days after the parallel off. The facilities as the object of inspection were the nuclear reactor proper, reactor cooling system, measurement and control system, fuel facilities, radiation control facilities, waste facilities, reactor containment installation, and emergency power generation system. On these facilities as the object of inspection, the appearance, disassembling, leak, function, performance and other inspections were carried out. As the result, abnormality was not found at all. The works related to this regular inspection were accomplished within the range of allowable radiation dose based on the relevant laws. The main reconstruction work carried out during the period of this regular inspection was the improvement of process radiation monitors. (Kako, I.)