ML20211B960
| ML20211B960 | |
| Person / Time | |
|---|---|
| Site: | Trojan File:Portland General Electric icon.png |
| Issue date: | 02/13/1987 |
| From: | Cockfield D PORTLAND GENERAL ELECTRIC CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 8702190638 | |
| Download: ML20211B960 (2) | |
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usums PbetismiciGerieral MW David W. Cockfie d Vice President, Nuclear February 13, 1987 Trojan Nuclear Plant Docket 50-344 License NPF-1 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington DC 20555
Dear Sir:
TROJAN NUCLEAR PLANT Schedule Change for Qualifying Eleven ECCS Valves
REFERENCES:
- 1) PGE (B. D. Withers) to NRC (J. B. Martin, Region V)
Letter Dated September 11, 1986 "PGE Position Regarding Compliance With 10 CFR 50.49 of Eleven ECCS Valves"
- 2) NRC (D. F. Kirsch) to PGE (W. J. Linbind) Letter Dated November 4,1986 "NRC Inspection Report j
50-344/86-37" In Reference 1 PGE committed to environmentally qualify eleven ECCS l
valves for degraded core conditions during the 1987 refueling outage. Qualification will be accomplished by replacing the existing motor-operators with fully qualified units.
Due to vendor hardware delivery dates being forecasted beyond the end of the scheduled outage, we are changing our commitment to qualify thase valves to the end of the 1988 refueling outage.
l As explained in Reference 1, it is PGE's position that the subject valves are currently in compliance with 10 CFR 50.49.
In Reference 2, the NRC concurred with this position.
87021% o38 870213 D
PDR ADOCK 05000344 p
PDR Ll 121 S W Sanrn St eet, Pomand. C'egon 97204 L
's WMMM Document Control Desk February 13, 1987 Page 2 Nevertheless, the eleven ECCS valves will be upgraded to ensure passive failure isolation capability for all conceivable accident scenarios. Qualification of these valves will also allow maximum-flexibility for any future revisions to the emergency operating procedures.
Sincerely, c:
Mr. John B. Martin Regional Administrator, Region V U.S. Nuclear Regulatory Commission Mr. Rob Barr Resident Inspector l ~
Trojan Nuclear Plant Mr. David Kish State of Oregon Department of Energy i
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