ML20148B490

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Summary of 791025 Meeting W/Util & Westinghouse Re Recent Steam Generator Insp at Site
ML20148B490
Person / Time
Site: Indian Point Entergy icon.png
Issue date: 12/28/1979
From: Olshan L
Office of Nuclear Reactor Regulation
To:
Office of Nuclear Reactor Regulation
References
NUDOCS 8001220245
Download: ML20148B490 (17)
v • d • e


Text

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+ 70,, UNITED STATES g NUCLEAR REGULATORY COMMISSION q ,y ' .j WASHINGTON, D. C. 20555

/ McEMBER 18197)

Docket No. 50-286 LICENSEE: Power Authority of the State of New York (PASNY)

FACILITY: Indian Point, Unit No. 3 1

SUBJECT:

SUMMARY

OF MEETING ON OCTOBER 25, 1979 TO DISCUSS STEAM GENERATOR INSPECTION A meeting was held on October 25, 1979 between representatives of the Power Authority of the State of New York (the licensee), Westinghouse, and the l NRC. A list of attendees is attached. The meeting was held to discuss the results of the recent steam generator inspection conducted ac Indian Point, l Unit '

The inspection indicated cracking of the support plates, hourglassing and, as categorized by Westinghouse, " extensive denting." Preliminary conclusions I with supporting sketches, photos and tabulations are given in Attachment 2.

Because of the evidence of hourglassing of the upper support plates, Westing-house recommended plugging of all the tubes in Row 1 in all four steam generators. The licensee is following this recommendation, and is also plugging all tubes that did not pass a 610 mil probe. Results of the gauging are tabulated below, l Steam No. of Tubes No. of Tubes Passing Probe of Generator Inspected 720 mil 650 mil 610 mil 540 mil 31 488 243 5 2 0 32 495 254 15 2 0 33 682 267 19 9 1 1 34 497 219 18 3 1 l

The licensee experienced periods of high chloride intrusion during August and September 1979 which may have contributed to the denting. The licensee stated that a program of boron addition to the feedwater will be instituted in an effort to slow down the rate of denting.

The licensee proposed that inspection of all four steam generators be done at the next refueling outage, scheduled for April 1981.

i P so 012 20 7 +5

The NRC staff did not find this acceptable and requested that the licensee consider an earlier inspection of all steam generators. The licensee was also requested to submit an application for a license amendment concerning inspection of steam generators that follows the format of the Indian Point 2 license condition.

At the conclusion of the meeting the resolution of u ^ ,e for the next inspections of all steam generators was left as an open action item as was the schedule for submittal of a request for license amendment dealing with ,

steam generator inspections in light of the additional degradation reported i at the meeting.

[ ,)a s L. Olshan, Project Manager l Operating Reactors Branch #1 l Division of Operating Reactors Attachments : <

1. List of Attendees I
2. Preliminary Conclusions

December ~ 28, 1979 Meeting Su=ary for Power Authority of the State of New York (PASNY)

Docket Files NRC PDR White Plains Public Library

. Local PDR 100 Martine Avenue

' ORB 1 Reading White Plains, New York 10601 NRR Reading H. Denton Mr. Vito J. Cassan E. Case Assistant General Counsel D. Eisenhut Power Authority of the R. Tedesco State of New York G. Zech 10 Columbus Circle B. Grimes New York, New York 10019 W. Gammill '

L. Shao Anthony Z. Roisman J. Miller R. Vollmer Natural Resources Defense Council T. J. Carter 917 - 15th Street,- N.W.

A. Schwencer Washington, D. C. 20005 D. Ziemann P. Cneck Dr. Lawrence D. Quarles Apartment 51 G. Lainas Kendal at Longwood D. Crutchfield Kennett Square, Pennsylvania 19348 B. Grimes T. Ippolito R. Reid Mr. George M. Wilverding Licensing Supervisor V. Noonan Power Authority of the

.G. Knighton D. Brinkman State of New York 10 Columbus Circle Project Manager New York, New York 10019 OELD OI&E (3) Mr. P. W. Lyon C. Parrish/?. Kreutzer Manager - Nuclear Operations ACRS (16) Power Authority of the {

NRC Partici: ants State of New York l NSIC i 10 Columbus Circle TERA New Y ork , New Y ork 10019 Licensee l Short Servi:e List Mr. J. P. Bayne, Resident Manager Theodore A. Rebelowski Indian Point 3 Nuclear Power Plant U. S. Nuclear Regulatory Comission P. O. Box 215 P. O. Box 38 Buchanan, New York 10511 Buchanan, New York 10511 Mr. J. W. Bl ake, Ph.D. , Director Ms. Ellyn Weiss Environmental Programs Sheldon, Harmon and Weiss Power Authority of the 1725 I Street, N.W.

State of New York Suite 506 10 Columbus Circle _ Washington, D. C. 20006 New York, New York 10019 l

Attachment 1 List of Attendees PASNY NRC J. F. Davis L. Frank i R. L. Goyette B. D. Liaw 4 J. J. Kelly R. A. McBrearty S. Zulla E. L. Murphy L. N. Olshan Westinghouse J. Strosnider C. Benton  !

C. W. Hirst '

D. D. Malinowski l

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