ML20137R691

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Final Deficiency Rept (CDR 84-00-09) Re Limitorque Motor Operators.Initially Reported on 850626.Metal Shims Placed Under Contact Bridges of Torque Switches & Log Corrections. Crimps & Wiring Inspected & Being Repaired
ML20137R691
Person / Time
Site: Seabrook  
Issue date: 11/08/1985
From: Devincentis J
PUBLIC SERVICE CO. OF NEW HAMPSHIRE
To: Starostecki R
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
References
(CDR-84--9), (CDR-84-00-09), SBN-890, NUDOCS 8512060047
Download: ML20137R691 (3)


Text

.

I SEABROOK STATION

. Engineering Office November 8, 1985 New Hampshire Yonkee Division SBN-890 T.F. Q2.2.2 United States Nuclear Regulatory Commission Region I 631 Park Avenue K,ing of Prussia, PA 19406

~

Attention:

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

References:

(a) Construction Permits CPPR-135 and CPPR-136, Docket Nos. 50-443 and 50-444 (b) PSNH Letter SBN-833, " Interim 10CFR50.55(e) Report:

Limitorque Motor Operators," J. DeVincentis to R. W. Starostecki, dated June 26, 1985

Subject:

Final 10CFR50.55(e) Report:

Limitorque Motor Operators (CDR 84-00-09)

Dear Sir:

In Refere'nce'(b), we submitted an interim report on a number of deficiencies regarding Limitorque motor operators. The final status of the deficiencies (Items 1, 4 and 5) which were previously determined to be reportable per 10CFR50.55(e) are as follows:

Item 1 Loose Contact Screws on Contact Bridge of Torque Switch

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The fiber shims used under the contact bridges of torque switches on safety-related SMB-000 and SMB-00 operators have been replaced with metal shims to prevent the loosening of the contact screws.

Item 4 Improper Lug Connections Lug connections, crimps and wiring have been inspected on all safety-related operators.

Identified deficiencies requiring repair or replacement have been completed for all but eighteen operators. Although the wock on the eighteen operators is not yet complete, the subject was discussed with Mr. A. Cerne, NRC Senior Resident Inspector, and was determined that it is acceptable to close out this item because the remaining work is being controlled with a work request.

8512060047 851108 PDR ADOCK 05000443 S

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P.O Box 3OO + Seotxook.NHO3874 Totophone(603)474-%21 I[ v 6%

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United States Nuclear Regulatory Commission Attention:

Mr. Richard W. Starostecki Page 2 Item 5 Sheared Tabs on Phenclic Cam of Torque Switch Torque switches on safety-related SMB-00 and SMB-000 operators have been inspected and changed where necessary to ensure that only the type with metal locking keys are utilized.

With the above corrective action having been verified completed, this is considered our final report on this item.

Very truly yours,

/ W(

qq/

J. DeVincentis, Director Engineering and Licensing ec: Atomic Safety and Licensing Board Service List Director, Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, DC 20555 i

v William S. Jordan, III Donald E. Chick Diane Curran Town Manager Harmon, Weiss & Jordan Town of Exeter 20001 S. Street, N.W.

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

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Amesbury, MA 01913 (ATTN: Tom Burack)

Senator Gordon J. Humphrey Diana P. Randall 1 Pillsbury Street 70 Collins Street Concord, NH 03301 Seabrook, NH 03874 (ATIN: Herb Soynton) c.-,

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