ML20210A501

Summary of 851028-30 Meetings W/Utils Re Plant Mods in Response to IE Bulletin 80-11 Masonry Wall Design

ML20210A501
Person / Time
Site:	Millstone, Haddam Neck, 05000000
Issue date:	11/14/1985
From:	Frank Akstulewicz Office of Nuclear Reactor Regulation
To:	Office of Nuclear Reactor Regulation
References
IEB-80-11, LSO5-85-11-018, LSO5-85-11-18, NUDOCS 8511150049
Download: ML20210A501 (3)

Text

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'o,, UNITED STATES

! n NUCLEAR REGULATORY COMMISSION 4 e e WASHINGTON, D. C. 20555

'+g .o November 14, 1985 Docket Nos. 50-213/245 LS05-85-11-018 LICENSEES: Northeast Utilities Connecticut Yankee Atomic Power Company Northeast Nuclear Energy Company FACILITIES: 9addam Neck Plant Millstone Nuclear Power Station, Unit No.1

SUBJECT:

MEETING

SUMMARY

ON PLANT MODIFICATIONS IN RESPONSE TO IE BULLETIN 80-11, MASONRY WALL DESIGN On October 28-30, 1985, the NRC staff and its technical contractors met with representatives of Northeast Utilities to discuss and review plant modifications made in response to an IE Bulletin on masonry walls at the Haddam Neck Plant and Millstone Unit 1.

In the afternoon of October 28, 1985, the licensees presented an overview of _

the corporate approach to resolving the masonry wall problems and suggested that the staff perform a detailed site inspection at the Haddam Neck Plant instead of trying to visit both Haddam Neck and Millstone Unit 1. The staff agreed with the licensees' proposal but reserved the right to visit Millstone Unit 1 pending the results of the Haddam Neck inspection.

On October 29, 1985, the staff and its technical contractors toured the Haddam Neck Plant and observed the plant modifications on all but one masonry wall. (Note: This wall is located inside containment and is not

' accessible because of the radiation concerns.) Following the site inspection, the staff and its contractors concluded that, given the similarity of plant modifications at Haddam Neck and Millstone Unit 1, a site inspection of Millstone Unit 1 is not necessary. The staff and the licensees returned to the corporate offices and perfonned audit reviews of selected calculations for the Haddam Neck Plant and Millstone Unit I which serves as the bases for the plant-specific modifications.

On October 30, 1985, the staff and the licensees met at the corporate offices and discussed the results of the plant inspection, questions regarding the calculations for the plant-specific modifications and the licensees' responses to the staff requests for additional information dated July 22, 1985. In general, the staff and its contractors were satisfied with the audit review of the calculations and the licensees' proposed responses to the staff questions.

One item which needed to be clarified was the effect of identified cracking h

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_2 on selected masonry walls. The licensees committed to perform a plant walkdown at Millstone Unit 1 to detennine if the wall crackina also existed there and the licensees' also committed to evaluate the effect'of the cracking to determine if existing calculations are still bounding or to provide a program to resolve the cracking problem. The licensees committed to providing the final responses to the staff questions and the licensees' program for resolving the identified cracking problems by the end of November 1985.

ORIGINAL STONED BY Francis M. Akstulewicz, Project Manager Operating Reactors Branch #5 Division of Licensing DISTRIBUTION Docket NRC PDR Local PDR ORB #5 Reading JZwolinski FAkstulewicz -

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Gerald Garfield, Esquire ...a McCarthy, Director Day, Berry & Howard Radiation Control Unit I Counselors at Law Department of Environmental i City Place Protection Hartford, Connecticut 06103-3499 State Office Building Hartford, Connecticut 06106 Edward J. Mroczka Vice President, Nuclear Operations Board of Selectmen Northeast Utilities Service Company Town Hall Post Office Box 270 Haddam, Connecticut 06103 l

-Hartford, Connecticut' 06141-0270 Superintendent State of Connecticut Haddam Neck Plant Office of Policy and Management RFD #1 ATTN: Under Secretary Energy Post Office Box 127E Division East Hampton, Connecticut 06424 80 Washington Street Hartford, Connecticut 06106 Resident Inspector Haddam Neck Plant clo U.S. NRC

-- East Haddam Post Office East Haddam, Connecticut 06423 Regional Administrator, Region I Mr. John F. Opeka, Senior Vice President U.S. Nuclear Regulatory Commission Nuclear Engineering and Operations 631 Park Avenue Connecticut Yankee Atomic Power Company King of Prussia, Pennsylvania 19406 & Northeast Nuclear Energy Company Post Office Box 270

. Northeast Nuclear Energy Company Hartford, Connecticut 06141-0270 ATTN: Superintendent Millstone Nuclear Power Station P. O. Box 128 Waterford, Connecticut 06385 Resident Inspector c/o U.S. NRC Millstone Nuclear Power Station P. O. Box 811 Niantic, Connecticut 06357 First Selectman of the Town of Waterford Hall of Records 200 Boston Post Road Waterford, Connecticut 06385 t

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