Document: NUREG-0800
Document ID: c6d58c0b-15e4-4f0a-a1bb-d853ab4fc6b9
Document Type: srp
Title: Table II defines all the
Source: NUREG-0800
Source URL: https://www.nrc.gov/docs/ML0520/ML052070337.pdf
Revision Date: 2023-06
Chapter: 3
Section ID: 3.2
CFR Part: 
CFR Title: 

Content:
lications regarding the effects of thermal stratification/oscillation on piping design. 139. Integrated Impact 624 Added information and staff positions applicable to new plants/applications regarding the effects of thermal stratification/oscillation on piping design. SRP Draft Section 3.9.3 Attachment A - Proposed Changes in Order of Occurrence Item Source Description DRAFT Rev. 2 - April 1996 3.9.3-40 140. Integrated Impact Nos. 497, 623 and Added a paragraph to describe the staff's position 624 regarding fatigue evaluations and subsequent analyses of Class 1, 2, and 3 components and component supports, and core support structures. The second and third sentence also address the concern expressed in Integrated Impact No. 624 regarding review of thermal stresses. The last sentence of the added paragraph addresses the concern expressed in Integrated Impact No. 623 regarding environmental conditions having cumulative effects that could affect the margins in the ASME fatigue design curves. These positions were derived from the information in subsections 3.9.3 and 3.11 of the ABWR FSER (NUREG-1503) and the CE80+ FSER (NUREG-1462). 141. Editorial correction Added parentheses around the acronym "SOT". 142. Editorial modification Substituted "should" for "shall" in the sentence because it is appropriate to staff guidance relating to review of applicant's presentations. 143. Editorial modification Substituted "should" for "shall" in the sentence because it is appropriate to staff guidance relating to review of applicant's presentations. 144. SRP-UDP format item Deleted citation of reference number. 145. Integrated Impact No. 496 Revised to cited alternatives and exemptions regarding OBE. 146. Editorial correction Deleted non-standard (not in accordance with the ASME Code) nomenclature. Deleted "Class CS" in the sentence. 147. Editorial correction Deleted non-standard (not in accordance with the ASME Code) nomenclature. Deleted "Class CS" in the sentence. 148. Integrated