Document: NUREG-0800
Document ID: 243e1ce7-857c-48e4-9eb7-6125311da9be
Document Type: srp
Title: RESIDUAL HEAT REMOVAL (RHR) SYSTEM
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0520/ML052070437.pdf
Revision Date: 2023-06
Chapter: 5
Section ID: 5.4.7
CFR Part: 
CFR Title: 

Content:
sfy the single failure criterion. 12. The RSB SRXB reviewer contacts his counterpart in the (SCSB)CSB reviewer so 102 103 104 that the information needed concerning their reviews will be interchanged. 13. The RSB SRXB reviewer contacts his counterpart in PSRB the HQMB reviewer 105 106 107 to discuss any special test requirements and to confirm that the proposed preoperational test program for the RHR system is in conformance with the intent of Regulatory Guide 1.68. 14. The proposed plant technical specifications are reviewed to: a. Confirm the suitability of the limiting conditions of operation, including the proposed time limits and reactor operating restrictions for periods when system equipment is inoperable due to repairs and maintenance. b. Verify that the frequency and scope of periodic surveillance testing is adequate. 15. The reviewer contacts the SGEB ECGB reviewer to confirm that the systems 108 employed to remove residual heat are housed in a structure whose design and design criteria provide adequate protection against wind, tornadoes, floods, and missiles, as appropriate. 16. For PWRs, the reviewer confirms that the auxiliary feedwater supply satisfies the requirements of Branch Technical Position RSB 5-1. 17. The RSB SRXB reviewer provides information to other branches in those areas where 109 the RSB SRXB has a review responsibility that is not explicitly covered in steps 1-15 110 above. These additional areas of review responsibility include: a. Identification of engineered safety features (ESF) and safe shutdown electrical loads, and verification that the minimum time intervals for the connection of the ESF to the standby power systems are satisfactory. b. Identification of vital auxiliary systems associated with the RHR system and determination of cooling load functional requirements and minimum time intervals. c. Identification of essential components associated with the main steam supply and the auxiliary feedwater system that are required to