ML19319B218
| ML19319B218 | |
| Person / Time | |
|---|---|
| Site: | Oconee  |
| Issue date: | 06/27/1978 |
| From: | Noonan V Office of Nuclear Reactor Regulation |
| To: | Reid R Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8001100787 | |
| Download: ML19319B218 (2) | |
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. R. W. Reid, Chief, Operating Reactors Branch No. 4 NE'10RANDU;l FOR:
Division of Operating Reactors Acting Branch Chief, Engineering Branch
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Division of Operating Reactors j
DUKE POWER C0. REQUEST FOR RELIEF FR0:1
SUBJECT:
TECHNICAL SPECIFICATION REQUIRED INSERVICE EXA11 NATION OF OCONEE UNIT 3 REACTOR VESSEL N0ZZLES
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'Ocone b t 3 plant Name:
NSSS Vendor: B&Wm Docket Number: 50-287 project Manager: ORB-4, M. Fairtile Responsible Bra ch an Engineering Branch Engineering and. rofects Branches Involved: Safety Evaluation F Lpo Task
Description:
Review Status: Compl ete: - -
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By letter dated June 2,1978 Duke. Power Co. requested a license amendment which incorporates a change to Oconee Nuclear Station Technital Specifications.
Oconee technical specification 4.2.2 concerns the inspection schedule A change to the inspection of portions of the reactor coolant system. schedule for the reacto i
due to an' error that occurred during the last Oconee 3 ref Durina that outagelzed. The procedure used an ultrasonic beam angle procedure was utti of approximately 75 degrees instead of an angle of essentially 90 degrees This resulted as required by I-2320 of Section XI of the ASME Code.
Due to in 10 to 20 percent _of the weld volume not being examined.
scheduling conflicts it is not practical to perform reinspection of It is therefore this nozzle by the end of the cycle 4 which is 6/78.
. requested by,the licensee' that ' reinspection of this nozzle be performed
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during cycle 5 which spans from 7/78 to 4/79.4 l
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Safety Eval ion
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The technical specifications for Oconee 3' requires _ that oneoutleti nozzle.be inspected after approximately 31/3 years of operation and
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The; nozzle the second outlet nozzle after approximately 6 2/3 years.
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to beLreinspected was initially'. inspected during 11/77 which met the i
Furthermore the insp'ection requirementsfof. the technical ~ speci fication. conducted ~ at
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wouldfsuspect the integrity oflthis n'ozzle. weld.
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R. W. Reid Chief,
in view of the above it is the staffs position that granting an
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extention to no later than 4/73 for the reinspection of this j
nozzle in accordance with the proper procadures is warranted t ad public safety will not be jeopardized by granting this relief.
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originai signedbyt
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i Acting Branch Chief Engineering Branch Division of Operating Reactors cc:
V. Stello R. Mattson
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1 B. K. Grices J._P. Knight i
V. Noonan W. Hazelton D. Ziemann
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W. Butler P. Check J. Guibert B. Cudlin M. Fairtile j
J. Zudans C. Cheng-4
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