ML20207J739
| ML20207J739 | |
| Person / Time | |
|---|---|
| Site: | Satsop |
| Issue date: | 07/23/1986 |
| From: | Sorensen G WASHINGTON PUBLIC POWER SUPPLY SYSTEM |
| To: | Knighton G Office of Nuclear Reactor Regulation |
| References | |
| TASK-2.K.3.05, TASK-TM GL-83-10A, GL-86-06, GL-86-6, GO3-86-416, NUDOCS 8607290241 | |
| Download: ML20207J739 (2) | |
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e Washington Public Power Supply System Box 1223 Elma, Washington 98541-1223 (206)482-4428 July 23, 1986 G03-86-416 Docket No. 50-508 Director of Nuclear Reactor Regulation Attention: Mr. G. W. Knighton, Director PWR Project Directorate #7 U. S. Nuclear Regulatory Commission Washington, D. C.
20555
Subject:
NUCLEAR PROJECT NO. 3 IMPLEMENTATION OF TMI ACTION ITEM II.k.3.5
" AUTOMATIC TRIP OF REACTOR COOLANT PUMPS"
References:
a)
U. S. NRC Generic Letter #86-06, same subject, dated May 29, 1986.
b)
U. S. NRC Generic Letter #83-10a, subject, Resolution of TMI Action Item II.k.3.5 " Automatic Trip of Reactor Coolant Pumps", dated February 8, 1983.
c)
Letter (G03-83-241), G. D. Bouchey to D. G. Eisenhut, subject, Resolution of TMI Action Plan Item II.k.3.5 dated April 20, 1983.
To resolve this issue at WNP-3, the Supply System intends to utilize the CE Owners Group methodology; the appropriate guidance and criteria of Reference a) regarding plant specific implementation; and the NRC approved Combustion Engineering Emergency Procedures Guidelines (EPG's).
4 PDR
\\Q
e Director of Nuclear Reactor Regulation July 23, 1986
' Attention: Mr. G. W. Knighton, Director G03-86-416 Page Two With regard to Item 1.le of Reference b), which Reference a) mentions as a concern: Component Cooling Water (CCW) to the Reactor Coolant Pump (RCP) Seal Coolers does not isolate on a Safety Injection Actuation Signal (SIAS) at WNP-3.
Isolation of CCW to the RCP Seal Coolers does occur on receipt of a Containment Isolation Actuation Signal (CIAS).
The isolation valves are provided with a manual override and the EPG's provide guidance on restoration of CCW to the RCP Seal Coolers.
The Supply System will provide a more detailed response following resumption of construction at WNP-3.
Should you have any questions or desire further i
clarification, the Supply System point of contact regarding this matter is l
Mr. D. W. Coleman, WNP-3 Licensing Project Manager, (206) 482-4428, Ext. 5436.
Very truly yours, C
G. C.
orensen, Manager Regulatory Programs cc:
Mr. J. A. Adams, NESCO Mr. M. F. Barnoski, Combustion Engineering Mr. R. M. Boucher, Pacific Power & Light Co.
Mr. W. L. Bryan, Washington Water Power Co.
Mr. G. Dick, U. S. Nuclear Regulatory Commission Mr. W. J. Finnegan, Puget Sound Power & Light Co.
Mr. J. R. Lewis, BPA Mr. N. S. Reynolds, Bishop, Liberman, Cook, Purcell & Reynolds Mr. D. Smithpeter, BPA Ms. R. M. Taylor, Ebasco - Elma Mr. B. D. Withers, Portland General Electric Co.
Document Control Desk - V. S. NRC
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