ML24100A767
Jump to navigation
Jump to search
| ML24100A767 | |
| Person / Time | |
|---|---|
| Site: | Calvert Cliffs, Dresden, Peach Bottom, Nine Mile Point, Byron, Braidwood, Limerick, Ginna, Clinton, Quad Cities, FitzPatrick, LaSalle  |
| Issue date: | 04/11/2024 |
| From: | Robert Kuntz Constellation Energy Generation |
| To: | Rhoades D Plant Licensing Branch III |
| Wall, SP | |
| References | |
| Download: ML24100A767 (1) | |
Text
- The relief request is for an alternative pursuant to 10 CFR 50.55a (z), Alternatives to codes and standards requirements, to utilize ASME Code Case OMN-32, Alternative Requirements for Range and Accuracy of Pressure, Flow, and Differential Pressure Instruments Used in Pump T ests.
- Code Case OMN-32 provides alternative testing instrument accuracy and range requirements for flow, pressure, and differential pressure instruments used for Group A, Group B, Comprehensive, and Preservice pump tests
-Instruments used for speed and vibration testing would continue to meet the existing instrument accuracy and range requirements in ASME OM Code.
Program at each of Constellations 21 Nuclear Units.
- Use of Code Case OMN-32 would eliminate the need to install temporary instruments reducing dose and person-hours. RELIEF REQUEST 2 l NRC Pre-submittal M eeting for RR to utilize OMN-32
or al
es ams Gener ement f ogr al al
T pr Gener Gener Code ode Cas ds requir OM OM C tandar ASME ASME s for updating IS on esting s
ement ervice t Conditions on Conditions Ins Requir
s
ating plant
oper
- Constellation is targeting submittal by the end of April 2024 with a standard one-year approval period.
- The submittal will be the first in the industry for a relief request to utilize ASME Code Case OMN-32.
- Constellations submittal will incorporate two comments provided by the NRC during the review and subsequent approval of Code Case OMN-32.
-The title of the proposed Requirements and the corresponding T able were modified to state, Required Instrument Accuracy and Range.
-The use of analytical methods may be used provided the parameter determination meets the required OMN-32 accuracy.
- No deviations from OMN-32 are being proposed.PRECEDENT/SUBMITTAL 5 l NRC Pre-submittal M eeting for RR to utilize OMN-32