ML20084S768

Telecopy Ao:On 751014,crack Indication Confirmed on B Loop in heat-affected Zone on Pipe Side of pipe-to-weldolet Weld. Repair Plans Incomplete.Addl Info Will Be Submitted in AO 50-265/75-38

ML20084S768
Person / Time
Site:	Quad Cities
Issue date:	10/14/1975
From:	Kalivianakis N COMMONWEALTH EDISON CO.
To:	James Keppler NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III)
Shared Package
ML20084S771	List: ML20084S768 ML20084S773
References
NJK-75-506, NUDOCS 8306170239
Download: ML20084S768 (1)

Text

3

/N Co nwealth Edison m -

g Ouaw mes Nuclear Power Station Post Office Box 216

.h gg ' j. Cordova,Ilhnois 61242

• vg . Telephone 309/654-2241 r

NJK-75-506

-Telecopy: Region Ill, Attention: Mr. C. Feierabend W

0ctober 14, 1975

! J. Kcppler, Regional Director i Office of Inspection and Enforcement -

! Region til U. S. Nuclear Regulatory Commission

799 Roosevelt Road Glen Ellyn, Illinois 60137 9

Reference:

Quad-Cities Nuclear Power Station, Unit 2 Docket No. 50-265, DPR-30

[ Appendix A, Sections 1.0.A.5, 6.6.B.I.a

Dear Mr. Keppler:

)

The purpose of this letter is to provide you with notification of an Abnormal Occurrence as required by Technical Specification 6.6.B.I.a within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> of ,

the occurrence, i With Unit 2 in the Cold Shutdown Condition, weld examinations were conducted on the reactor recirculation discharge bypass lines. On October 14, 1975, a crack indication was confirmed on the "B" Loop at the junction of the bypass line with the 28 inch discharge header on the downstream side of the bypass valve. The crack indication is in the heat affected zone on the pipe side of the pipe-to-weldolet v. eld. Plans concerning the repairs to be made are incomplete at this time.

This occurrence was discussed by telephone with Mr. Knop of your office on October 13, 1975, and.further with Mr. Felerabend on October 14, 1975 . Further information will be provided by Abnormal Occurrence Report AQ 50-265/75-38 which will be submitted within 10 days of the date of this occurrence.

Very truly yours, COMMONWEALTH EDIS0N COMPANY

.7,X QUAD-CITIES NUCLEAR POWER STATION / .

'Qh j T{e Y g b

N. J. Kallvianakis Station Superintendent

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cc: Office of Nuclear Reactor Regulation ,

G. A. Abrell 8306170239 751014 r PDR S

ADOCK 05000265 PDR