ML20100D797

Final Deficiency Rept Re Cracked & Broken Puffer Piston Rods in Brown Boveri Type 5HK Circuit Breakers.Replacement of All Puffer Piston Rods in Unit 1 5HK Circuit Breakers Completed

ML20100D797
Person / Time
Site:	Seabrook
Issue date:	03/14/1985
From:	Devincentis J PUBLIC SERVICE CO. OF NEW HAMPSHIRE
To:	Starostecki R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
SBN-779, NUDOCS 8504030142
Download: ML20100D797 (2)

Text

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.4 SEABROOK STATION MI Engineering Office March 14, 1985 Pub 5c Service of New Hampshire SBN-779 New Hampshire Yankee Division T.F. Q2.2.2 United States Nuclear Regulatory Commission Region I 631 Park Avenue King of Prussia, PA 19406 Attention:

Mr. Richard W. Starostecki, Director Diviaion of Project and Resident Programs

References:

(a) Construction Permits CPPR-135 and CPPR-136, Docket Nos. 50-443 and 50-444 (b) Telecon of January 19, 1984, A. L. Legendre (YAEC) to Robert Gallo (NRC Region I)

(c) PSNH Letter SBN-625, dated February 14, 1984, " Interim 10CFR50.55(e) Report; Cracked and Broken Puffer Piston Rods in Brown Boveri Type 5HK Breakers"/

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(d) PSNH Letter SBN-639, dated March 19, 1984, "Second Interim 10CFR50.55(e) Report"

Subject:

Final 10CFR50.55(e) Report; Cracked and Broken Puffer Piston Rods in Brown Boveri Type 5HK Breakers

Dear Sir:

References (b), (c), and (d) addressed a 10CFR50.55(e) deficiency regarding cracked and broken puffer piston rods in Brown Boveri Type SHK circuit breakers. Reference (d) committed to a corrective action of replacing all puffer piston rods in the Unit 1 5HK circuit breakers. This replacement has been completed. As given in Reference (c), this deficiency was not applicable to the Unit 2 circuit breakers.

Since this completes the corrective action, we consider this the final report on this 10CFR50.55(e) deficiency.

Very truly yours,

)

/ John DeVincentis, Director Engineering and Licensing cc: Atomic Safety and Licensing Board Service List 8504030142 850314 PDR ADOCK 05000443 g

PDR P.O Box 300 + Seabrook.NHO3874 Totephone(603)474 9521 1

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,w William S. Jordan, III Donald E. Chick Diane Curran Town Manager Harmon, Weiss & Jordan Town of Exeter l

20001 S. Street, N.W.

10 Front Street Suite 430 Exeter, NH 03833 Washington, D.C.

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