ML19263F362
| ML19263F362 | |
| Person / Time | |
|---|---|
| Site: | Trojan File:Portland General Electric icon.png |
| Issue date: | 01/07/1980 |
| From: | Rachel Johnson PORTLAND GENERAL ELECTRIC CO. |
| To: | Mccollum K, Mark Miller, Paxton H Atomic Safety and Licensing Board Panel |
| References | |
| NUDOCS 8001280003 | |
| Download: ML19263F362 (3) | |
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't.ATED CORRESPONDENCR
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JarnesW.Durham m
_ m Vice President and GeneralCounsel Portfarx! General Electric Compar1y
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LegaiDepartment Warren Hastings Associate CorporateCounsel CorporateAttorneys-I AMnAlexanderson Roland A Johnson Rons!dW. Johnson Da!!as A Marckx Steven F.McCarrel January 7,.1980 Marshall E. Miller, Esq., Chairman Atomic Safety and Licensing Board U. S. Nuclear Regulatory Commission 4 W Washington, D. C.
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O',7 Dr. Hugh C. Paxton 1229-41st Street
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Los Alamos, New Mexico 67544 centlemen:
In accordance with the direction in your order of December 29, 1979 that the Board be kept informed of Plant shutdowns (Tt s 3442-3), attached La Licensee's letter to the Director of Nuclear Reactor Regulation infoning the dRC Staff of a Plant shutdown.
Sincerely, M-Ronald W. Johnson Corporate Attorney Portland General Electric Company RWJ/LWE/4sa66.40B28 Attachment c: Control Building Service List 1816 30f" 1300 Willameits Center 121 &W Sarren St.aet. Pon:and. Oregon 97204 hQ3
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AEE DonaldJ.Broehi AssrstantVcePresdent January 7, 1980 Trojan Nuclear Plant I
Docket 50-344 License NPF-1 T* I '
Director of Nuclear Reactor Regulation
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A. Schwencer, Chief f
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Division of Operating Reactors
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Washington, D. C.
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Dear Sir:
To assist your Staff in carrying out its responsibility to inform the Atomic Safety & Licensing Board for the Control Building Proceeding of shutdown of the Trojan Nuclear Plant, the following information is provided concerning a Elant shutdown on January 6, 1980.
During the morning of January 6,1980, main condenser vacuum began decreasing slowly. Plant output was reduced, the main turbine was tripped at 11:53 a.m., and the reactor was manually tripped at 11:59 a.m.
An air leak into the main condenser has been repaired and the Plant returned to power operation at 10:10 a.m. on January 7, 1980.
Sincerely, c:
Mr. R. H. Engelken, Director g
U. S. Nuclear Regulatory Commission Region V Ifr. Lynn Frank, Director State of Oregon I
Department of Energy
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121 SW Salmon Steet. Portand. Oregon 97204 1816 310
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JamesW.Durharn m
Portland General ElectricCompany Vice President ard GeneralCounsel
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LegalDepartment Warren Hastings 3
Associate Co.rporateCounsel Corporate Attorneys:
January 7, 1980 AMnAlexanderson Roland A. Johnson RonaldW. Johnson Dallas A. Marckx Marshall E. Miller, Esq., Chairman Atomic Safety and Licensing Board Stwen F.McCarret U. S. Nuclear Regulatory Commission Washington, D. C.
20555 Dr. Kenneth A. McCollom, Dean
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Division of Engineering,
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Oklahema State University l'4' g?
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Centlemen:
N Attached to this letter is a list of Requests for IJesign Changes (RDCs) associated with the modification program described in the Report on Design Modifications for the Trojan Control Building (PGE-1020). These
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items are modifications involving piping supports necessary to qualify piping systems for response spectra developed in accordance with PGE-1020, Appendix B.
The items on this list will not individually or collectively with other modificaticus reduce the shear capacity of any major shear wall by greater than 1 percent. Nor do the items involve weight additions which may result in an increase of greater than 1 percent of the calcu-lated lateral forces in any major shest vall.
The Licensee will continue to keep the Board informed of activities at Trojan as described at the March 30, 1979 Prehearing Conference (Tr. 3204-05).
Sincerely,
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Ronald W. Johnso g}{ h Corporate Attorney Portland General Electric Company RWJ/4kk66.27B10 Attachment ycfe*arRegulatoryCoraission I" DUPLICATE DOCUMENT Region V Entire document previously A. Schvencer entered into system under: Nuclear Regulatory Commission h ^ 1300 Willamette Center 121 SW Samon S:reet.Poeard. Oregon " - ~ _ ... _ _ ~ '}}