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:
Obturator Movement” (1996 and 1997 Addenda), or ISTC 3510, 3520, 3540, and 5221 (1998 Edition with the 1999 and 2000 Addenda), as applicable, must be implemented. OMN-5 (1999 Addenda) (2001 Edition) (2004 Edition) (2006 Addenda) (2009 Edition) (2012 Edition) Testing of Liquid Service Relief Valves Without Insulation (Note: This OM Code Case was annulled in the 2017 Edition of the OM Code.) OMN-6 (1999 Addenda) (2001 Edition) (2002 Addenda) (2004 Edition) (2006 Addenda) (2009 Edition) (2012 Edition) (2015 Edition) (2017 Edition) (2020 Edition) Alternate Rules for Digital Instruments DG-1407, Page 16 Code Case Number Table 3 OM Code Cases That Have Been Superseded by Revised OM Code Cases Title/Condition OMN-7 (2000 Addenda) (2001 Edition) (2002 Addenda) (2004 Edition) (2005 Addenda) (2006 Addenda) (2009 Edition) (2012 Edition) (2015 Edition) (2017 Edition) (2020 Edition) Alternative Requirements for Pump Testing OMN-8 (2000 Addenda) (2001 Edition) (2003 Addenda) (2004 Edition) (2005 Addenda) (2006 Addenda) (2009 Edition) (2012 Edition) (2015 Edition) (2017 Edition) (2020 Edition) Alternative Rules for Preservice and Inservice Testing of Power-Operated Valves That Are Used for System Control and Have a Safety Function per OM-10, ISTC-1.1, or ISTA-1100 OMN-9 (2000 Addenda) (2001 Edition) (2003 Addenda) (2004 Edition) (2009 Edition) (2012 Edition) (2015 Edition) (2017 Edition) (2020 Edition) Use of a Pump Curve for Testing (1) When a reference curve may have been affected by repair, replacement, or routine servicing of a pump, a new reference curve must be determined, or an existing reference curve must be reconfirmed, in accordance with Section 3 of this OM Code Case. (2) If it is necessary or desirable, for some reason other than that stated in Section 4 of this OM Code Case, to establish an additional reference curve or set of curves, these new curves must be determined in accordance with Section 3. OMN-11 (2001 Edition) (2003 Addenda) (2004 Edition) (2006 Addenda)