Document: NRC Regulatory Guide
Document ID: 7d480029-59df-44fe-9db8-c1c86566dac9
Document Type: regulatory_guide
Title: Operation and Maintenance Code Case Acceptability, ASME OM Code (Rev. 5)
Source: NRC Regulatory Guide Division 1
Source URL: https://www.nrc.gov/docs/ML2219/ML22196A063.pdf
Revision Date: 2023-05
Chapter: 
Section ID: RG-1.192
CFR Part: 
CFR Title: 

Content:
entical to those imposed on OMN-19 in previous revisions to RG 1.192 OMN-20 (2022 Edition) Inservice Test Frequency This OM Code Case is applicable to the editions and addenda of the OM Code listed in 10 CFR 50.55a(a)(1)(iv). Although OM Code Case OMN-20 has an applicability statement in its inquiry and reply, the guidance in OM Code Case OMN-20 is acceptable for application at nuclear power plants with a Code of Record of any edition or addenda of the OM Code incorporated by reference in 10 CFR 50.55a(a)(1)(iv). Note 1: The conditions are identical to those imposed on OMN-20 in previous revisions to RG 1.192. OMN-31 (2022 Edition) Alternative to Allow Extension of ISTA-3120 Inservice Examination and Test Intervals From 10 Years to 12 Years Contrary to the ASME OM Code Case Applicability Index, this OM Code Case may only be applied by licensees implementing the ASME OM Code, 2020 Edition through the latest edition of the ASME OM Code incorporated by reference in 10 CFR 50.55a. DG-1407, Page 14 3. OM Code Cases Superseded by Revised OM Code Cases Table 3 lists OM Code Cases that have been superseded by revision. Table 3. OM Code Cases That Have Been Superseded by Revised OM Code Cases Code Case Number Table 3 OM Code Cases That Have Been Superseded by Revised OM Code Cases Title/Condition OMN-1 (1996 Addenda) (1999 Addenda) (2001 Edition) (2002 Addenda) (2004 Edition) (2006 Addenda) (2009 Edition) (2012 Edition) (2015 Edition) Rev. 1 (2012 Edition) (2015 Edition) Rev. 2 (2017 Edition) (2020 Edition) Alternative Rules for Preservice and Inservice Testing of Certain Motor-Operated Valve Assemblies in Light-Water Reactor Power Plants (OM Code-1995, Subsection ISTC) Licensees may use this OM Code Case in lieu of the provisions for stroke time testing in Subsection ISTC of the 1995 Edition up to and including the 2000 Addenda of the OM Code when applied in conjunction with the provisions for leakage rate testing in, as applicable, ISTC 4.3 (1995 Edition with the 1996 and