Document: NRC Regulatory Guide
Document ID: 6f0a99f2-d25a-44e3-b7f2-3286449a9752
Document Type: regulatory_guide
Title: Water Sources for Long-Term Recirculation Cooling Following a Loss-of-Coolant Accident (Rev. 5)
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML2126/ML21266A185.pdf
Revision Date: 2023-05
Chapter: 
Section ID: RG-1.82
CFR Part: 
CFR Title: 

Content:
....................................... 18 1.1.4 Inspection .......................................................................................................................... 18 1.2 Evaluation of Alternative Water Sources .................................................................................. 18 1.3 Evaluation of Long-Term Recirculation Capability ................................................................. 19 1.3.1 Net Positive Suction Head of the Emergency Core Cooling System and Containment Heat Removal Pumps ..................................................................................................................... 19 1.3.2 Pipe Break Selection ......................................................................................................... 21 1.3.3 Debris Generation/Zone of Influence ............................................................................... 22 1.3.4 Debris Transport ............................................................................................................... 24 1.3.5 Coating Debris .................................................................................................................. 26 1.3.6 Latent Debris ..................................................................................................................... 26 1.3.7 Upstream Effects ............................................................................................................... 27 1.3.8 Downstream Effects .......................................................................................................... 27 1.3.9 Strainer Structural Analysis .............................................................................................. 28 1.3.10 Chemical Reaction Effects ................................................................................................ 29 1.3.11 Debris Accumulation, Head Loss, and Vortexing ............................................................ 29