ROUTINE NRC SAFETY INSPECTION REPORT
PLYMOUTH, Mass., Jan. 13 /PRNewswire/ -- The Nuclear Regulatory Commission recently reported on its ongoing routine safety inspection program at Pilgrim Nuclear Power Station. Areas relevant to the health and safety of the general public are routinely examined and reported upon. The reporting period includes the recent midcycle outage for maintenance and surveillance testing, and the annual Prompt Alert and Notification System (siren) test conducted Nov. 19, 1992. The report contains positive comments in the areas of plant operation, radiological control, maintenance and surveillance, emergency preparedness, security, safety assessment and quality verification, and engineering and technical support. The Executive Summary of the NRC Safety Inspection Report is attached to this advisory. Further details on specific items may be obtained by contacting the Nuclear Information Office. Pilgrim Inspection Report 50-293/93-93
The overall control of plant operations was good, and operators were cognizant of maintenance and modifications in progress during the midcycle outage. Excellent lineup and tagging activities for salt service water system train separation maintained the plant in a safe configuration.
Radiological protection support for outage maintenance, particularly the use of the optical disk surrogate plant tour, was outstanding. Reviews of outage maintenance work packages were unsuccessful in identifying the high radiation levels in the radwaste demineralizer room, but detailed corrective actions were promptly implemented.
Maintenance and Surveillance
A heat exchanger repair to stop a small coolant leak in the reactor water cleanup system was well planned and executed in accordance with ASME Code requirements. Other field activities were observed to be properly controlled and implemented by knowledgeable personnel. An aggressive motor-operated valve (MOV) maintenance schedule was accomplished during the midcycle maintenance outage. Several generic issues were appropriately addressed, which further improved valve reliability. An overall implementation schedule for MOV preventative maintenance remained under development due to pending revisions to the program's scope.
Annual testing of the Prompt Alert and Notification System on Nov. 19 successfully demonstrated the licensee's capability to notify occupants of the 10 mile emergency planning zone in the event of an emergency.
Effective security measure were taken to compensate for any degraded conditions resulting from the midcycle outage work BECo promptly responded to potential problems identified by the NRC with access controls for equipment undergoing modification, The Fitness-for-Duty Program was found to be effectively implemented.
Safety Assessment and Quality Verification
Sound safety perspectives were demonstrated in the development of the midcycle outage schedule. The "system window" approach was effective in maximizing decay heat removal capability and electrical distribution system flexibility. Quality Assurance Department verification of operator tours has been effective, utilizing objective criteria to independently assess Operation Section self-monitoring.
Engineer and Technical Support
BECo's Issue team continues to evaluate the reactor vessel level instrumentation performance in a deliberate and technical fashion. External consultant expertise has been effectively utilized. The presence of noncondensible gasses in the reference legs was confirmed. The Issue team appropriately factored-in Pilgrim-specific experience with respect to BECo's response to Generic Letter 92-04, as well as to the generic considerations of the Boiling Water Reactor Owner's Group. Salt service water piping replacement activities continued, and were found to be well planned and conservatively executed. -0- 1/13/93 /CONTACT: Anita Flanagan, David Tarantino, or Frank Creane of Boston Edison, 508-224-4803 (24 hours)/ (BSE)
CO: Boston Edison Company ST: Massachusetts IN: UTI SU:
CH -- NE005 -- 4445 01/13/93 11:35 EST
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|Date:||Jan 13, 1993|
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