Document: NUREG-0800
Document ID: 9ff4c910-8dd7-451c-97cf-4b956e68d03e
Document Type: srp
Title: LIGHT LOAD HANDLING SYSTEM AND REFUELING CAVITY DESIGN
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML1331/ML13318A923.pdf
Revision Date: 2023-06
Chapter: 9
Section ID: 9.1.4
CFR Part: 
CFR Title: 

Content:
within acceptable limits. 2. GDC 5 requires that SSCs important to safety not be shared among nuclear power units unless such sharing can be shown not to significantly impair their ability to perform safety functions, including, in case of an accident in one unit, an orderly shutdown and cooldown of the remaining units. GDC 5 requirements ensure essential independence of the LLHS SSCs in the event of shared use in multiple-unit plants. The shared use in multiple-unit plants, therefore, will not affect the LLHS safety function significantly. SRP Section 9.1.4 provides guidance to meet these requirements. Compliance with GDC 5 provides assurance that the LLHS and its SSCs will continue to perform their required safety functions when the LLHS is shared among nuclear power units and that safe handling of fuel will not be jeopardized. 3. GDC 61 requires that fuel storage and handling, radioactive waste, and other systems that may contain radioactive materials be designed for adequate safety under normal and postulated-accident conditions. SRP Section 9.1.4 addresses handling of fuel and spent fuel which, if dropped, mishandled, or damaged, could cause releases of radioactive materials or unacceptable personnel radiation exposures. ANSI/ANS 57.1-1992 provides guidance for meeting these requirements. In addition, SRP Section 9.1.4 provides guidance to address the GDC 61 requirement to provide suitable radiological shielding (i.e., retaining water in the refueling cavity and fuel transfer canals), residual heat removal capability, and prevention of a significant reduction in coolant inventory under accident conditions. Compliance with GDC 61 provides reasonable assurance that releases of radioactive materials and unacceptable personnel radiation exposures from damage to irradiated fuel will be avoided. 4. GDC 62 requires prevention of criticality in the fuel handling and storage system by physical systems or processes, preferably by geometrically safe configurations. GDC