Document: NUREG-0800
Document ID: e42406a4-bb20-48c3-9910-1fe7ca591e7f
Document Type: srp
Title: (9)
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0520/ML052070297.pdf
Revision Date: 2023-06
Chapter: 3
Section ID: 3.1.176
CFR Part: 
CFR Title: 

Content:
is system from the BWR to PWR list of Potential Impact 25490 systems. The refueling water storage tank in PWRs is commonly used as a water source to ESF systems. The SRP-UDP could not locate any other regulatory reference to a refueling water storage system that is important to safety for BWRs. In the CE System 80+ FSER, the staff reviewed a proposed in-containment water storage system, identified as important to safety by the applicant, which integrates the typical functions of refueling water storage systems in currently operating PWRs with other safety-related and severe accident mitigation functions. 43. Integrated Impact 1324 Added reference to footnote clarifying that the makeup water system for fuel pool cooling is also important to safety as described in SRP Section 9.1.3. In the ABWR and CE System 80+ FSERs, the staff discussed the classification and application of the ASME Code for such makeup water systems. 44. Integrated Impact 1324 Revised identification of the system based upon terminology used in SRP Section 9.2.1 to describe this type of system. SRP Draft Section 3.2.2 Attachment A - Proposed Changes in Order of Occurrence Item Source Description 3.2.2-33 DRAFT Rev. 2 - April 1996 45. Integrated Impacts 1 and 1324 Added identification of the ultimate heat sink as important to safety. SRP Section 9.2.5 provides findings that the ultimate heat sink and its supporting systems meet Quality Group C requirements. Also added reference to a footnote indicating the existence of supplemental information for quality group classification of these systems in Appendix C. 46. Integrated Impact 1 Added reference to a footnote indicating the existence of supplemental information for quality group classification of this system in Appendix C. 47. No Change, see Potential Impacts In the ABWR and CE System 80+ FSERs, the staff 25499 and 25522 evaluated the safety classification of HVAC systems (or quality group classifications of associated cooling water systems) which