ML20137K906
| ML20137K906 | |
| Person / Time | |
|---|---|
| Site: | Nine Mile Point  |
| Issue date: | 01/13/1986 |
| From: | Mangan C NIAGARA MOHAWK POWER CORP. |
| To: | Starostecki R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| References | |
| (55(E)-85-30), (NMP2L-0577), (NMP2L-577), NUDOCS 8601240268 | |
| Download: ML20137K906 (2) | |
Text
Th Y NIAGARA NUMOHAWK
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NBAGARA MOHAWK POWER CORPORATION /300 ERIE BOULEVARD WEST SYRACUSE N.Y.13202/ TELEPHONE (315) 474-1511
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January 13, 1986 (NMP2L 0577)
Mr. R. W. Starostecki, Director U.S. Nuclear Regulatory Comission Region I Division of Reactor Projects 631 Park Avenue King of Prussia, PA 19406 Re: Nine Mile Point - Unit 2 Docket No. 50-410
Dear Mr. Starostecki:
Enclosed is an interim report in accordance with 10CFR50.55(e) for the problem concerning clearance violations with pl atfonn framing steel and primary containment.
This problem was reported via tel-con to J. Linville of your staff on December 13, 1985.
Very truly yours, C. V. Mangan Senior Vice President CVM/GG/cla (1378H) xc: Director of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, DC 20555 R. A. Gram, NRC Senior Resident Inspector 8601240268 860113 PDR ADOCK 05000410 S
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NIAGARA M0 HAWK POWER CORPORATION NINE MILE POINT - UNIT 2 DOCKET NO. 50-410 Interim Report for a Problem Concerning Clearance Violations with Platform Framing Steel and Primary Containment (55(e)-85-30)
Description of the Problem Three clearance violations between structural steel framing and primary containment wall were identified by Nonconformance and Disposition Report No.
14015.
Drawing ES-53V-4 shows a 3-in. clearance between the wall and the steel members to allow displacement from loadings resulting from seismic events and thermal growth.
This matter is under investigation and a final report will be submitted by February 15, 1986.