ML17256A776

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Forwards Re Ginna Nuclear Power Station Containment Vessel Tendons,Response to NRC Review Comments on Tendon Evaluation, Supporting Util Conclusion That Stress Relaxation of Tendon Major Cause of Large Force Losses
ML17256A776
Person / Time
Site: Ginna Constellation icon.png
Issue date: 06/13/1983
From: Maier J
ROCHESTER GAS & ELECTRIC CORP.
To: Crutchfield D
Office of Nuclear Reactor Regulation
Shared Package
ML17256A777 List:
References
NUDOCS 8306200314
Download: ML17256A776 (4)


Text

REGULATORY FORMATION DISTRIBUTION S EH (RIDS)

'AOCK'SSIQN NBR: 830620031tt DOC DATE e 83/06/13 NOTARIZED;,,NO DOCKET

,FAQIL;50-240 Robert Emmet e

Ginna Nuc)ear,plantr Unit li Rochester G 05000244 AUTH'At1E AUTHOR AFFILIATION HAIKReJ ~ ED Rochester Gas 8 Electric .Corp,

~REiC 1P ~ NAME RECIPIENT AFFILIATION OROTCHFIELOg D ~ Operating Reactors Branch 5

SUBJECT:

Forwards ."RK, Ginna Nuclear Power Station 'Containment Vessel Tendons~Response,to NRC Review Comments on Tendon supporting util conclusion that:stress 'valuation~"

relaxation of tendon major cause of large force losses, aaa.

DISTRIBUTION CODE: A001S

~~ COPIES -RECEIVED:LTR .

'y ENCL g SIZEa- / ~+~

.TITLEi OR Submittal: General Distribution NOTES;NRR/OL/SEP 1cy, 05000200 RECIPIENT COPIES RECIPIENT COPIES IO CODE/NAME LTTR ENCI. ID CODE/NAME LTTR ENCl, NRR,ORB5 BC 01 7 INTERNALS ELD/HDStt 1 0 NRR/DE/HTEB .1 1 NRA/DL DIR 1 NRR/DL/DRAB 1- 0 TB 1 1 NRR/PS I/RAB 1 ~ 1 REG FI 04 1 RGN1 -1 1 EXTKRNAL; ACRS 6 6 LPDR 03 NRC PDR 02 1 1 NSIC 05 NOTES'9 NTIS 1-1 1

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TOTAL NUtlBER OF COPIES REQUIRED: LTTR 26 ENCL 24

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70tK izuiz8I luzsrrzs 3Z.; 51Att ROCHESTER GAS AND ELECTRIC CORPORATION ~ 89 EAST AVENUE, ROCHESTER, N.Y. 14649 JOHN E, MAIER TCLt'PHONC Vke Pres@lent Ance cooc 7ie 546-2700 June 13, 1983 Director of Nuclear Reactor Regulation Attention: Mr. Dennis M. Crutchfield, Chief Operating Reactors Branch No. 5 U.S. Nuclear Regulatory Commission Washington, D'.C. 20555 f l

Subject:

Containment Vessel Tendon Evaluation Program Ginna Nuclear Power Plant Docket-No.'0-244-

Dear Mr. Crutchfield:

This letter is in response to your letter dated March 8, 1983 and addresses comments and specific concerns raised by the NRC staff regarding the reasons for loss of prestress in the Containment Vessel Tendons. Additional information is presented which supports our previous conclusion that stress relaxation of the tendon wires is the most significant, cause of the larger than predicted force losses.

The 1983 Tendon Surveillance is tentatively scheduled for mid-July. A report on the surveillance will be issued within 90 days after its completion.

Very truly yours, W(~ tug~

Jo n E. Maier Attachment 83062003i O 830m>3I PO~

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