ML20141K815

Forwards Category B Rept Re Util 700616 & 24 Ltrs Re Visual & Dye Penetrant Exams of Outside Surfaces of Several Reactor Vessel Nozzles Mode in Apr-May 1970

ML20141K815
Person / Time
Site:	Oyster Creek
Issue date:	07/31/1970
From:	Mckinley J Advisory Committee on Reactor Safeguards
To:	Bush S, Stratton W Advisory Committee on Reactor Safeguards
Shared Package
ML20091A092	List: IA-91-282, Forwards Written Statement Submitted by Sp Russo for ECCS Subcommittee Meeting on 770129,for Info.W/O Encl ML20141K026 ML20141K047 ML20141K056 ML20141K063 ML20141K066 ML20141K070 ML20141K076 ML20141K082 ML20141K091 ML20141K095 ML20141K121 ML20141K137 ML20141K141 ML20141K153 ML20141K163 ML20141K175 ML20141K185 ML20141K190 ML20141K359 ML20141K365 ML20141K368 ML20141K372 ML20141K375 ML20141K379 ML20141K382 ML20141K386 ML20141K390 ML20141K395 ML20141K398 ML20141K402 ML20141K406 ML20141K408 ML20141K415 ML20141K418 ML20141K423 ML20141K426 ML20141K432 ML20141K436 ML20141K441 ML20141K618 ML20141K620 ML20141K625 ML20141K626 ML20141K630 ML20141K633 ML20141K635 ML20141K637 ML20141K641 ML20141K643 ... further results
References
FOIA-91-282 NUDOCS 9203250245
Download: ML20141K815 (1)

Text

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July 31, 1970

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QTJ U. E. Stratton, Chairman Oyster Creek ' Subcomittee A. H. Bosh, Vice Chairman, ACKS

, CATECORY B REPORTS - OYSTER CREEK - JELSEY CENTRAL POWER & LIGRT

, COMPANY _ LETTER DATED JUNE 16, 1970 AND DRL LITTER DATED JtTdE 24, 1970 i

Attached is a brief senaary of the information presented in the i subject correspondence. No ACRS actica appears warranted.

These items may be destroyed when you have completed your evaluation f= of this matter.

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l J. C. McKinley Staff Assistant i

Attachments:

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1) Sumary

2) Jersey Central Power & Light Co

Itr 4td June 16, 1070

3) DRL ltr dtd June 24. 1970 i

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CYttEE CREZK 2graev Central Power & t.faht Cessamv letter dated Juma'In.

1970 presents tha reselts of vional and dys penetreet , .;- -

- examinations of the setside surfaces of several reestery vessel aossles made in April and May 1970. N finet' .*

results were that the south core spray aossle met ASE code requirements, the penetrant indications em the meeth nossle are ir ;omel weld diseures or bot- tears thac occur during wid solidit'ication,and no relevant indicattens were absorted on the other meesles emandmed. . h indies.

tions of defects in the morth core spray mossles were grouad out without exposieg may sensitized stataloss steel or rede:ing the wall thickness below nimise.ma alloweble.

[ Pipe stresses were reviewed and design calculations were l confirmied to be cwrect.

Additional primary system inspections will be made at the first refueling outage or earlier if opportunity arises. ,

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! No ACRS action required.

DRL letter dated June 24. 1970 requests a schematic drawing of the proposed change (No. 2) to the rod withdrawal prohibit function.

l l No ACRS action required.

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