PLA-5018, Submits Addl Info Re Proposed Amend 184 to License NPF-22 for ANFB-10 Critical Power Correlation & MCPR Safety Limits
| ML18040A965 | |
| Person / Time | |
|---|---|
| Site: | Susquehanna  |
| Issue date: | 01/12/1999 |
| From: | Byram R PENNSYLVANIA POWER & LIGHT CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| Shared Package | |
| ML18040A966 | List: |
| References | |
| PLA-5018, NUDOCS 9901210320 | |
| Download: ML18040A965 (2) | |
Text
o'L Robert G. Byram Senior Vice President Generation and Chtet Nuclear Officer Tel. 610.774.7502 Fax 610.774.5019 E-mail:rgbyramepapl.corn
~gg ).g )999 U: S. Nuclear Regulatory Commission Attn.: Document Control Desk Mail Station P 1-137 Washington, DC 20555 PP&L, Inc.
Two North Ninth Street Allentown, PA 18101-1179 Tel. 610.774.5151 http:I/www.ppl-inc.corn/
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SUSQUEHANNA STEAMELECTRIC STATION ADDITIONALINFORMATIONRE PROPOSED AMENDMENTNO. 1S4 TO LICENSE NPF-22:
ANFB-10 CPC ANDMCPR SAFETY LIMITS PLA-501S Docket No.'50-388
Reference:
PLA-4946, R. G. Byram to USNRC, "Proposed Amendment No. 184 to License NPF-22:
ANFB-10 CriticalPower Correlation and MCPR Safety Limits, " dated August 4, 1998.
On January 11, 1999, a telephone conference was held between PP&L and V. Nerses and T. Huang ofNRR to discuss the referenced proposed amendment.
During that conference it was agreed that PP&L would docket the information provided below.
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U2C10 Core Com osition Assembly Type SPC Atrium'- 10 SPC Atrium'- 10 SPC 9x9-2 GE 12 (LUA)-
Previous Cycle Operational History Fresh Once-burned Twice-burned
'. Twice=burned Number ofAssemblies 280 312 168 4>>
Total 764 U2C10 willbe the third and last cycle of operation for the GE 12 Lead Use Assemblies (LUA's). The first cycle was 18 months, the current one 24 months, and U2C10 willbe 24 months, for a total planned residence time of 5.5 years.
This is well within the maximum allowed residence time of 8 years.
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U2C10 Sin le Loo Safe Limit The U2C10 Single Loop MCPR Safety Limit is calculated by Siemens Power Corporation (SPC) using the approved methodology referenced in Technical Specification Section 5.6.5. The U2C10 Single Loop MCPR Safety Limitwas calculated by SPC to be 1.12.
The cycle-specific SPC calculated fraction of fuel rods in boiling transition for this value is 0.086%.
SPC utilized 1000 monte carlo trials in this Safety Limitevaluation.
PLA-5018 Document Control Desk
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Editorial Revision to Pro osed Reference 19 A
Attached is a marked up page revising the referenced submittal to reflect the final approved version of the reports noted in proposed Refer'ence 19.
These final versions, which contain the same information as the originally proposed reference, were not published at the time of our August 4, 1998 submittal.
Since this change is purely editorial, no revision is required to our previous Safety Assessment, No Significant Hazards Considerations, or Environmental Assessment.
Any questions on this information should be directed to Mr. R. Sgarro at (610) 774-7552.
Sincerely, R. G. Byram Attachment Copy: NRC Region I Mr. V. Nerses, NRC Sr. Project Manager OWFN Mr. S. L. Hansell Jr., NRC Acting Sr. Resident Inspector SSES Mr. K. Kerns, Pa. DEP bc:
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