ML19309H809
| ML19309H809 | |
| Person / Time | |
|---|---|
| Site: | South Texas  |
| Issue date: | 03/31/1980 |
| From: | Eric Turner HOUSTON LIGHTING & POWER CO. |
| To: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| References | |
| IEB-79-28, NUDOCS 8005190745 | |
| Download: ML19309H809 (3) | |
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NSIC 6MgM cz"r^^' 's Mm My Houston Lighting & Power P.o. Box 1700 Houston Texas 77001 (713) 228-9211 March 31, 1980 ST-HL-AE-439 SFN: V-0540 Director, Region IV Nuclear Regulatory Commission 611 Ryan Plaza Drive, Suite 1000 Arlington, Texas 76102
Dear Sir:
South Texas Project Units 1 & 2 Docket Nos. STN 50-498, STN 50-499 Updated Resoonse to IE Bulletin No. 79-28 Attached to this letter is an update of the responses from vendors to the South Texas Project concerning their use of NAMC0 stem-mounted limit switches. According to information received to date, corrective action has been necessary for only one vendor.
Houston Lighting & Power will continue to send updates of vendor responses as stated in our letter to you dated February 1, 1980.
If there are any questions, please contact Mr. S. S. Rodgers at (713) 676-7953.
Very truly yours, E. A. Turner Vice President Power Plant Construction
& Technical Services PLW/mak Attachment 2
34E0
~ ~.
-m...
Houston t@tij &
Company ST-HL-AE-449 Paga 2 cc:
Director, NRC Office of Inspection and Enforcement Division of Reactor Operations Inspection M. D. Schwarz (Baker & Botts)
R. Gordon Gooch (Baker &Botts)
J. R. Newnan (Lowenstein, Newnan, Reis, Axelrad & Toll)
D. G. Barker C. L. McNeese H. R. Dean G. B. Painter R. L. Waldrop A. J. Granger R. A. Frazar i
L.
I&E Bulletin 79-28 Response Update NAMC0 Limit Switches 3/31/80 Advisory Letter
Response
Vendor Sent Received Remarks Fisher Controls 12-20-79 1-15-80 Corrective action implemented as recommended by NAMC0 WKM 12-20-79 2-27-80 No corrective action required Kerotest 1-08-80 Anchor Darling 1-08-80 Dresser Industries 1-08-80 Anderson Greenwood 1-08-80 Cooper Energy Systems 1-07-80 Bingham-Willamette 1-07-80 Hills McCanna 1-07-80 &
2-13-80 Pacific Valves 2-13-80 3-07-80 No corrective action required Xomox 2-13-80 Westinghouse (Ametek) 1-15-80 1-30-80 No corrective action required