Provision for in-service testing, maintenance, repair, inspection and monitoring

PROVISION FOR IN-SERVICE TESTING, MAINTENANCE, REPAIR, INSPECTION AND MONITORING 

Stractnres, systems and components important to safety, except as described in para. 5. 44, shall be designed to be calibrated, tested, maintained, repaired or replaced, inspected and monitored with respect to their functional capability over the lifetime of the nuclear power plant to demonstrate that rehability targets are being met. The plant layout shall be such that these activities are facilitated and can be performed to standards commensurate with the importance of the safety functions to be performed, with no significant reduction in system availability and without undue exposure of the site personnel to radiation. 

If the stractures, systems and components important to safety cannot be designed to be able to be tested, inspected or monitored to the extent desirable, then the following approach shall be followed  

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Provision for in-service testing, maintenance, repair, inspection and monitoring (5.43-5.44) Equipment qualification (5.45-5.46)... 

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