Application of reliability-centered maintenance for surveillance interval extension

Conference · Fri Jun 01 04:00:00 EDT 1990 · Transactions of the American Nuclear Society; (USA)

OSTI ID:6025661

Woods, B L; Rodin, M E; Fernandez, L C

San Onofre nuclear generating station (SONGS) units 2 and 3 have both entered a nominal 24-month fuel cycle. The technical specifications for the containment area, containment high range, and containment airborne monitors currently include requirements for the performance of preventive maintenance (PM) at 18-month intervals. To avoid the need for an otherwise unnecessary unit shutdown, an evaluation was initiated to determine if surveillance intervals for technical specification PMs could be modified to support the 24-month fuel cycle. The basis for PM interval extension is derived from reliability-centered maintenance (RCM) methodology. This represents a new application of RCM that has been well received by the US Nuclear Regulatory Commission. This methodology is being applied by Southern California Edison to several additional surveillance extensions. In the RCM methodology, the objective is to prescribe applicable and effective PM to ensure that a system or component will maintain its function and operability. The RCM analysis consists of an in-depth review of all related maintenance history and concentrates on operability failures and their method of detection. The combination of these two factors has proved to be an effective method of determining a surveillance's contribution to the goals of the PM program.

• OSTI ID: 6025661
• Report Number(s): CONF-900608--
• Conference Information: Journal Name: Transactions of the American Nuclear Society; (USA) Journal Volume: 61
• Country of Publication: United States
• Language: English

Related Subjects

21 SPECIFIC NUCLEAR REACTORS AND ASSOCIATED PLANTS
210200* -- Power Reactors
Nonbreeding
Light-Water Moderated
Nonboiling Water Cooled
CALIBRATION
CONTAINMENT
CONTAINMENT SYSTEMS
ENGINEERED SAFETY SYSTEMS
ENRICHED URANIUM REACTORS
FUEL CYCLE
MAINTENANCE
MANAGEMENT
MEASURING INSTRUMENTS
MONITORS
NATIONAL ORGANIZATIONS
OPERATION
PERFORMANCE
POWER REACTORS
PROGRAM MANAGEMENT
PWR TYPE REACTORS
RADIATION MONITORS
REACTOR COMPONENTS
REACTOR MAINTENANCE
REACTOR OPERATION
REACTORS
SAN ONOFRE-1 REACTOR
SAN ONOFRE-2 REACTOR
SAN ONOFRE-3 REACTOR
SCHEDULES
SPECIFICATIONS
SURVEILLANCE
THERMAL REACTORS
US NRC
US ORGANIZATIONS
WATER COOLED REACTORS
WATER MODERATED REACTORS