ML20069H553

Part 21 Rept Re Defective Mechanical Shock Suppressors Supplied by Pacific Scientific Co & by Tested by Wyle Labs. Initially Reported on 821210.Defective Suppressors Replaced. Four Suppressors Disassembled & Stored at Vendor Facility

ML20069H553
Person / Time
Site:	Beaver Valley
Issue date:	03/31/1983
From:	Wild P STONE & WEBSTER ENGINEERING CORP.
To:	Deyoung R NRC OFFICE OF INSPECTION & ENFORCEMENT (IE)
References
REF-PT21-83 NUDOCS 8304060234
Download: ML20069H553 (1)

Text

STONE 6 WEBSTER ENGINEERING CORPORATION 245 SUMMER STREET, BOSTON. M ASS ACHU SETTS ADDRESS A6L CORRESPONDENCE TO P.O. BOX 2325. BOSTON. M A SS. 02107 ST C N5YRUCTiON HOUSTON M ftONS CM e H LL, N J ENG EER NG PontL aD OAEGON Mr. Richard C. DeYoung March 31, 1983 Director Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission Washington, DC 20555 BEAVER VALLEY POWER STATION-UNIT NO. 1 DUQUESNE LIGHT COMPANY AMENDMENT OF 10CFR21 REPORT Stone & Webster Engineering Corporation (SWEC), pursuant to the provisions of 10CFR21, provided notification to NRC on December 10, 1982 by telephone and by letter dated December 10, 1982 of a " defect" concerning the Beaver Valley Power Station Unit No. 1. The subject of our notification was defective mechanical shock suppressors supplied by Pacific Scientific Company and tested by Wyle Laboratories.

Further investigation shows that the corrective action taken (para vii of our December 10, 1982 letter) was to replace the defective shock suppressors with new shock suppressors. Of the 11 mechanical shock suppressors which were in question, it is understood that four are disassembled and stored at Pacific Scientific Company. The remaining seven are held in a warehouse in Midland, PA.

If you require any further information, please contact Mr. J.R. Coombe at (617) 589-8990.

P.A. Wild ,,,-

Director of Engineering tC C]

8304060234 830331 PDR ADOCK 05000334 S PDR