T/CECPA 003-2020 Active Group standards

T/CECPA 003-2020 Nuclear power plant maintenance rules technical requirements

Publish Date: 2020-11-01 Implement Date: 2020-11-15 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CECPA 003-2020

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Nuclear reactor

ICS Name: Nuclear power stations, safety

Publish Date: 2020-11-01

Implement Date: 2020-11-15

Scope

Scope: This standard specifies the technical requirements for the implementation of maintenance rules in nuclear power plants, including the determination of management scope, the identification of risk importance categories, the setting of performance indicators, the monitoring of performance indicators, regular evaluation, risk assessment, and management. This standard is primarily applicable to pressurized water reactor nuclear power plants, and other types of nuclear power plants can refer to it for implementation. Main technical content: Maintenance is an important safety-related activity in nuclear power plants and plays a crucial role in ensuring their safe operation. During the operation of nuclear power plants, it is necessary to guarantee the effectiveness of maintenance activities so that the structures, systems, and equipment of nuclear power plants can effectively perform their designated safety functions under various operating conditions, design basis accident conditions, and selected beyond design basis accident conditions, thereby reducing the number of transient events that challenge the safety of nuclear power plants and ensuring the safe operation of nuclear power plants. Establishing an effective maintenance management and evaluation system (i.e., maintenance rules) tailored to their own needs can optimize maintenance activities, improve equipment reliability, and enhance the level of risk assessment and management of maintenance activities. The establishment of maintenance rules first requires determining appropriate SSC management scopes, then identifying the risk importance categories of these SSCs, and combining their operating or standby states to set appropriate performance indicators and conduct monitoring. After the establishment of maintenance rules, regularly monitor and evaluate the performance of these SSCs and optimize maintenance strategies in a timely manner. At the same time, evaluate the risks introduced by maintenance activiti