Document: NUREG-0800
Document ID: 68c52f40-6536-4c97-a8ab-72ea2a8c1c8c
Document Type: srp
Title: TURBINE BYPASS SYSTEM
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0520/ML052070595.pdf
Revision Date: 2023-06
Chapter: 10
Section ID: 10.4.4
CFR Part: 
CFR Title: 

Content:
quipment. 2. The PSBSPLB reviews the TBS functional requirements for both normal and abnormal 5 operating conditions, and with respect to the following: (a) capability to isolate those portions of the system that could leak or malfunction; (b) capability to perform adequate operational testing and inservice inspection; (c) to assure ensure there are no adverse 6 effects of postulated system piping failures on safety-related equipment; and (d) to reduce the possibility of reactor transients due to inadvertent operation of the TBS from faults in the TBS instrumentation and control. Review Interfaces7 1. The SPLB performs the following reviews as part of its primary review responsibility under the Standard Review Plan (SRP) sections indicated:8 a. The Auxiliary Systems Branch (ASB)SPLB determines that the TBS conforms 9 to Branch Technical Position ASB 3-1, "Protection Against Postulated Piping Failures in Fluid Systems Outside Containment," concerning cracks and breaks in high- and moderate-energy piping outside containment as part of its primary review responsibility for SRP Section 3.6.1.10 b. The SPLB evaluates the fire protection program as part of its primary review responsibility for SRP Section 9.5.1.11 2. In the review of the turbine bypass system, the PSBSPLB will coordinate other 12 branches' evaluations that interface with the overall review of the system as follows: a. The Mechanical Engineering Branch (MEB)(EMEB) determines that the 13 appropriate seismic and quality group classifications have been established for system components as part of its primary review responsibility for SRP Sections 3.2.1 and 3.2.2. b. The EMEB determines that the TBS conforms to Branch Technical Position MEB 3-1, "Postulated Break and Leakage Locations in Fluid System Piping Outside Containment," concerning cracks and breaks in high- and moderate-energy piping outside containment as part of its primary review responsibility for SRP Section 3.6.2.14 The Auxiliary Systems Branch