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Federal Register / Vol. 86, No. 20 / Tuesday, February 2, 2021 / Proposed Rules
7837

TABLE VIASME CODE CASES PROPOSED FOR NRC APPROVALContinued Code Case No.

Supplement
Title
N809

2 2015 Edition

N8311

1 2019 Edition

N8451
N847

6 2015 Edition
0 2017 Edition

N8481
N851

0 2017 Edition
0 2015 Edition

N858

2 2017 Edition

N864
N865

2 2017 Edition
2 2017 Edition

N867
N869

0 2017 Edition
6 2017 Edition

N873
N874

1 2017 Edition
7 2017 Edition

N876

2 2017 Edition

N877

2 2017 Edition

N878
N880

1 2017 Edition
2 2017 Edition

N882

6 2017 Edition

N885

0 2019 Edition

N889

7 2017 Edition

N890
N892

0 2019 Edition
0 2019 Edition

Reference Fatigue Crack Growth Rate Curves for Austenitic Stainless Steels in Pressurized Reactor Water Environments, Section XI, Division 1.
Ultrasonic Examination in Lieu of Radiography for Welds in Ferritic or Austenitic Pipe, Section XI, Division 1.
Qualification Requirements for Bolts and Studs, Section XI, Division 1.
Partial Excavation and Deposition of Weld Metal for Mitigation of Class 1 Items, Section XI, Division 1.
Alternative Characterization Rules for Quazi-Laminar Flaws, Section XI, Division 1.
Alternate Method for Establishing the Reference Temperature for Pressure Retaining Materials, Section XI, Division 1.
Alternative Volumetric Coverage Requirements for Ultrasonic Examination of Class 1 Nozzle-to-Vessel Welds, Section XI, Division 1.
Reactor Vessel Threads in Flange Examinations, Section XI, Division 1.
Alternative Requirements for Pad Reinforcement of Class 2 and 3 Atmospheric Storage Tanks, Section XI, Division 1.
Clarification of NDE Practical Examination Requirements, Section XI, Division 1.
Evaluation Criteria for Temporary Acceptance of Flaws in Class 2 or 3 Piping, Section XI, Division 1.
Examination Requirements for the Core Makeup Tanks, Section XI, Division 1.
Temporary Acceptance of Leakage Through Brazed Joints of Class 3 Copper, CopperNickel, and Nickel-Copper Moderate Energy Piping, Section XI, Division 1.
Austenitic Stainless Steel Cladding and Nickel Base Cladding Using Ambient Temperature Automatic or Machine Dry Underwater Laser Beam Welding ULBW Temper Bead Technique, Section XI, Division 1.
Alternative Characterization Rules for Multiple Subsurface Radially Oriented Planar Flaws, Section XI, Division 1.
Alternative to QA Program Requirements of IWA4142, Section XI, Division 1.
Alternative to Procurement Requirements of IWA4143 for Small Nonstandard Welded Fittings, Section XI, Division 1.
Alternative Requirements for Attaching Nonstructural Electrical Connections to Class 2 and 3 Components, Section XI, Division 1.
Alternative Requirements for Table IWB25001, Examination Category BN1, Interior of Reactor Vessel, Category BN2, Welded Core Support Structures and Interior Attachments to Reactor Vessels, Category BN3, Removable Core Support Structures Section XI, Division 1.
Reference Stress Corrosion Crack Growth Rate Curves for Irradiated Austenitic Stainless Steel in Light-Water Reactor Environments, Section XI, Division 1.
Materials Exempted From G2110b Requirement, Section XI, Division 1.
Alternative Requirement for Form OAR1, Owners Activity Report, Completion Time, Section XI, Division 1.

Code Case No.

Edition 4

Title
OMN13, Revision 3

2020 Edition

OMN15, Revision 3

2020 Edition

OMN17, Revision 1
OMN22
OMN23
OMN24

2020
2020
2020
2020

OMN25
OMN26

2020 Edition
2020 Edition

OMN27

2020 Edition

Performance-Based Requirements for Extending Snubber Inservice Visual Examination Interval at LWR Power Plants.
Performance-Based Requirements for Extending the Snubber Operational Readiness Testing Interval at LWR Power Plants.
Alternative Requirements for Testing ASME Class 1 Pressure Relief/Safety Valves.
Smooth Running Pumps.
Alternative Requirements for Testing Pressure Isolation Valves.
Alternative Requirements for Testing ASME Class 2 and 3 Pressure Relief Valves For Relief Valves in a Group of One.
Alternative Requirements for Testing Appendix I Pressure Relief Valves.
Alternate Risk-Informed and Margin Based Rules for Inservice Testing of Motor Operated Valves.
Alternative Requirements for Testing Category A Valves Non-PIV/CIV.

Operation and Maintenance Code
Edition Edition Edition Edition

jbell on DSKJLSW7X2PROD with PROPOSALS

List of Subjects in 10 CFR Part 50
Antitrust, Classified information, Criminal penalties, Fire protection, Incorporation by reference, Intergovernmental relations, Nuclear power plantsand reactors, Radiation 4 The column labelled Edition in this table refers to the point in time a Code Case was issued.
For example, an entry associated with the 2017

VerDate Sep<11>2014

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protection, Reactor siting criteria, Reporting and recordkeeping requirements.
For the reasons set out in the preamble and under the authority of the Atomic Energy Act of 1954, as amended;
the Energy Reorganization Act of 1974,
as amended; and 5 U.S.C. 553, the NRC
is proposing to adopt the following amendments to 10 CFR part 50:

Edition means the Code Case was issued at the same time as the 2017 Edition of the Code.

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PART 50DOMESTIC LICENSING OF
PRODUCTION AND UTILIZATION
FACILITIES
1. The authority citation for part 50
continues to read as follows:

E:FRFM02FEP1.SGM

02FEP1