ML20198J487
| ML20198J487 | |
| Person / Time | |
|---|---|
| Site: | Framatome ANP Richland |
| Issue date: | 10/16/1997 |
| From: | Holm J SIEMENS POWER CORP. (FORMERLY SIEMENS NUCLEAR POWER |
| To: | NRC (Affiliation Not Assigned), NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| REF-PT21-97-009 JSH:97:043, JSH:97:43, NUDOCS 9710210065 | |
| Download: ML20198J487 (3) | |
Text
.
L, SIEMENS
. October 16,.1997' 7o-('lN JSH:97:043
- Document Control Desk-
-- ATTN: Chief, Planning, Program and Management Support Branch U.S. Nuclear Regulatory Commiasion
' Washi,gton, D.C. 20555
. Inte em Report of Evaluation of a Deviation Pursuant to 10 CFR 21.21(a)(2) t
- ne following information is provided pursuant to the requirements of 10 CFR 21 to submit ali interim report on issues that will not be completed within 60 days of discovery.
One interim report is enclosed for the following issue under evaluation by Siemens Power Corporation:
97-009
" Transient' Analyses at Exposures Prior to EOC" If there are any questions, please contact me.
Very truly yours,.
i v
J.
. Holm, Manager g
Product Lictinsing' Q
Enciosures cc: E. Y. Wang (NRR/DRPM/PECB)
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'9710210065 971016 PDR ; ADOCK 07001257 l
Siemens Power Corporation
= Nuclear Division 2101 Horn Rapids Road Tet (509) 3754100 Ervneenng & Manufacturm0 Po. Box 130 Far - 1509) 3754402 ihchland. WA 993524130 l'
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Interim..Recort 197 003) o
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' Interim report of evaluation of a deviation pursuant to 10 CFR 21.21(a)(2).
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?Illlfi 1Trs..;ent Analyses at Exposures Prior to EOC.
r identification of Basic Activity:.
Baalc Activity Sunnited by:
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--Siemens Power Corporation Nuclear Division Nature of Deylation:
BWR Transient analysis results (delta CPR) at EOC may not always be limiting for the entire
- cycle, Discoy3rv Date:
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-. August 18,1997
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- Corrective Actions.to Date:
Nonconformar.ce report (NCR 6230) was prepared and processed by the management review team. INPO operating experience report (OE 8422) indicated that transient analysis results at end of-cycle (EOC) might not always be limiting for the entire cycle. The SPC evaluation indicates that normal operation limits (i.e. no equipment out of service) remain applicable at all plants for which SPC has licensing responsibility.
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> Some plants have ~ operating limits that support operation in various equipment out of service 1
(EOOS) scenarios. A review of the impact of' cycle exposure on the EOOS operating limits is i
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- ongoing' The only plant operation potentially affected by this ongoing EOOS evaluation is
? LaSalle Unit 2 Cycle 8. Preliminary results indicate that the only situation where the current
- limits ma'y not provide adequate protection is operation below 30% power with the turbine q
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' bypass valves inoperable. LoSalle Unit 2 Cycle 8 is not expected to start up until spring of R
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-1998. However, should the p! ant start up prior to the completion C the evaluation,,
administrative limits have been provided to ensure LaSalle safety limits are protected.
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Evaluation Completion Schedule Da?al-December 15,1997 I
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