ML19322B373
| ML19322B373 | |
| Person / Time | |
|---|---|
| Site: | Oconee  |
| Issue date: | 03/26/1976 |
| From: | Stello V Office of Nuclear Reactor Regulation |
| To: | Parker W DUKE POWER CO. |
| Shared Package | |
| ML19322B374 | List: |
| References | |
| NUDOCS 7912020223 | |
| Download: ML19322B373 (3) | |
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,1 ;;i ATTW:: ~ Mr. Willian 0. Parker, Jr.
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Post Office Box 2178
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Gentlemen:-
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...v-Bylett'er,NtedMarch 16,'1976, you requested an exemption from,th h
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.T* requirements of 10 CFR Part 50, Appendix H Section II.C.2 s
s t f ff %g. the' operation of Oconoe Unit 1 Cycle 3 with the reactor vessel, surveillan 97 specimens removed from the ' reactor vessel. You additionally req 6estIeR 2c [ corresponding Technical Specification changes to reflect the removal of@x WdM
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'si E 0y the surveillance ~ capsules during Cycle 3 and to establish provistoiWite$
-f' revise 'the capsule. withdrawal schedule prior to Cycle 4 operationM5/. m*,;,.t i X m, 1
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_ - g em As required by 10 CFR Part 50, Appendix H, and as discussed in your' letter W C ?
of March 16, 1976, the surveillance'specimana, contained within,the^si'rveillaat,e m ".
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capsules, receive a higher neutron flux than the reactor vessel tiiniirht 4
surface. As noted in the attached Safety Evaluation, for Oconee Omit 17-
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this difference results in the surveillance specimens being irraMated stC
- W a rate 2.4 times higher than the vessel. At this rate the speciaims[fg$y
' would continue to lead the vessel in accumulated neutron flux exposume M.; 1,' t
'even if removed for Cycle 3 operation.
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We have therefore concluded that if the reactor vessel surveillanceN&n.. :n %6,..
,a.n specimens are' removed from Oconee Unit 1 for Cycle 3 operation and P;Q ~ L "7 reinstalled prior to Cycle 4 operation, the reactor vessel surveillance v T
.W program would continue to fulfill the purpose of 10 CFR Part 50, App (
and th'e actions requested by your letter of March 16, 1976, are her MMMM approved. In addition, the Commission has issued the enclosed Amendmaats x "fMR No. a.). 2.l,and I & for Licenses No. DPR-38, DPR-47, and DPR-55, feithe w by Oconee Nuclear Station, Units 1, 2, and 3.
These amendments provide ~for % / R h.
require that tho' capsule withdrawal schedule be revised prior totho' re n
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Copies of the Safety Evaluation'and the Feder_al Register Motics are
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-Sincerely.-
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Victor Stelle, dr..' Director -
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Division of Operating Reactors
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Enclosures:
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Amendment No.o7d.,to DPR-38.:
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Amand= ant No.<01 to SPR-47?
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Amendment No.18'to DPR-55 i
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Safety Evaluation i' fi.
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Federal Register Notice
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6 Duke Power Company
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l Mr. William L. Porter Duke Power Company P. O. Box 2178 i
422 South Church Street Charlotte, North Carolina 28242 Mr. Troy B. Conner Conner 4 Knotts j
1747 Pennsylvania Avenue, NW Washington, D. C.
20006 l:
Oconee Public Library 201 South Spring Street y,
Walhalla, South Carolina 29691 Honorable Reese A. Hubbard County Supervisor of Oconee County Walhalla, South Carolina 29621 cc w/ enclosures & incoming:
Office of Intergovernmental Relations 116 West Jones Street Raleigh, North Carolina 27603 W
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