Document: NUREG-0800
Document ID: 3ab8ae04-e11b-4993-a907-f644301c5af2
Document Type: srp
Title: MAIN STEAM SUPPLY SYSTEM
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0520/ML052070577.pdf
Revision Date: 2023-06
Chapter: 10
Section ID: 10.3
CFR Part: 
CFR Title: 

Content:
NRC Metrication policy. See attached conversion documentation. 4. NRC metrication policy Added the SI equivalent of 2-1/2 inches and reformatted per the NRC metrication policy. See attached conversion documentation. 5. Editorial A comma was added to clarify the meaning of the sentence. 6. Current PRB names and Editorial change made to reflect current PRB names, abbreviations/Editorial abbreviations, and responsibilities for this SRP section. Also, one sentence was reworded and one deleted to properly show that this system is now assigned to a single PRB rather than split between two PRBs. 7. Current PRB names and Editorial change made to reflect current PRB names, abbreviations abbreviations, and responsibilities for this SRP section. 8. Integrated Impact 561 Added reference to 10 CFR 50.63 in the 2nd introductory paragraph of Areas of Review. 9. Current PRB names and Editorial change made to reflect current PRB names, abbreviations/Editorial abbreviations, and responsibilities for this SRP section. Also, "review" was changed to "reviews" to provide the correct verb for reference to a single PRB. 10. Editorial For consistency with other SRP Sections, "steam hammer" was changed to "water (steam) hammer". As noted in NUREG 0933, SRP 10.3 was revised to add reference to steam hammer to resolve USI A-1 "Water Hammer". NUREG 0933 cites NUREG 0927 as the document which resolved the water hammer issue. NUREG 0927 refers to events in the MSSS as "steam (water) hammer". Besides Section 10.3, four other SRP Sections refer to these events as "water (steam) hammer" (sections 3.9.3, 5.4.6, 5.4.7, and 6.3). 11. Current PRB names and Editorial change made to reflect current PRB names, abbreviations abbreviations, and responsibilities for this SRP section. 12. Integrated Impact 561 Section I, Areas of Review was modified by adding a new item regarding review for conformance with station blackout rule. SRP Draft Section 10.3 Attachment A - Proposed Changes in Order of Occurrence