Document: NRC Regulatory Guide
Document ID: c256f223-ee35-43e0-82e7-aa7b14469259
Document Type: regulatory_guide
Title: Preoperational Testing of Emergency Core Cooling Systems for Pressurized Water Reactors + HISTORY - HISTORY DG-1253 , Proposed Revision 2 (Rev. 2)
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML1101/ML110110480.pdf
Revision Date: 2023-06
Chapter: 
Section ID: RG-1.79
CFR Part: 
CFR Title: 

Content:
during Surveillances,” February 13, 1996. (ADAMS Accession No. ML031060270) IN 97-76, “Degraded Throttle Valves in Emergency Core Cooling System Resulting from Cavitation- Induced Erosion during a Loss-of-Coolant Accident,” October 30, 1997. (ADAMS Accession No. ML031050058) IN 2006-20, “Foreign Material Found in the Emergency Core Cooling System,” October 16, 2006. (ADAMS Accession No. ML062440467) IN 2006-21, “Operating Experience Regarding Entrainment of Air into Emergency Core Cooling and Containment Spray Systems,” September 21, 2006. (ADAMS Accession No. ML062570468) DG-1253, Page 16 Bulletins Bulletin 93-02, “Debris Plugging of Emergency Core Cooling Suction Strainers,” May 11, 1993. (ADAMS Accession No. ML031190684) Bulletin 96-03, “Potential Plugging of Emergency Core Cooling Suction Strainers by Debris in Boiling- Water Reactors,” May 6, 1996. (ADAMS Accession No. ML993410152) Licensee Event Reports LER 50-323/1999-003-00, “Entry into Technical Specification 3.0.3 Due to Voiding in the Emergency Core Cooling System Caused by Inadequate Administrative Controls,” November 24, 1999. (ADAMS Accession No. ML993400278) LER 50-315/1999-013-01, “Safety Injection and Centrifugal Charging Throttle Valve Cavitation during LOCA Could Lead to ECCS Pump Failure,” February 8, 2001. (ADAMS Accession No. ML010450136) LER 50-529/2000-003-00, “ECCS Surveillance Requirement Not Met Due to Inadequate Procedure,” September 27, 2000. (ADAMS Accession No. ML003756884) LER 50-333/2004-001, “Inadvertent Actuation of Emergency Core Cooling System and Emergency Diesel Generators While in Refueling Mode,” January 19, 2005. (ADAMS Accession No. ML050270178) LER 50-529/530/2005-005-00, “TS Required Reactor Shutdown—Limiting Condition for Operation 3.0.3 A, Inoperable ECCS, Containment Spray, and Refueling Water Tank,” December 8, 2005. (ADAMS Accession No. ML053540220). Appendix A to DG-1253, Page A-1 APPENDIX A EMERGENCY CORE COOLING SYSTEMS