ML20235W939
| ML20235W939 | |
| Person / Time | |
|---|---|
| Site: | Trojan File:Portland General Electric icon.png |
| Issue date: | 08/13/1984 |
| From: | John Miller Office of Nuclear Reactor Regulation |
| To: | Withers B PORTLAND GENERAL ELECTRIC CO. |
| References | |
| TAC-55472, NUDOCS 8710190109 | |
| Download: ML20235W939 (3) | |
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UNITED STATES Q ' f >.. ( ;'
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NUCLEAR REGULATORY COMMISSION 5 j;;.
p WASHING TON. D. C. 20555
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if AUG 131984 Docket No. 50-344 1
Mr. Bart D. Withers Vice President Nuclear
. Portland General Electric Company 121 S.W. Salmon Street
-Portland, Oregon 97204
Dear Mr. Withers:
In conducting our review of your Jul 13, 1984 amendment request relating to remote shutdown instrumentation (yLCA 108) for the Trojan Nuclear Plant, we have determined that we will need the additional information identified in the enclosure to continue our review.
In order for us to maintain our review schedule, your response is requested i
l within 30 days of your receipt of this letter.
The reporting and/or recordkeeping requirements contained in this letter.
affect fewer than ten respondents; therefore, OMB clearance is not required under P.L.96-511.
i Please contact your project manager, C. Traninell, if you have any questions concerning this request.
Sincerely, s
. Miller, Chief Operating Reactors Branch #3 i
Division of Licensing
Enclosure:
Request for Additional Information cc w/ enclosure See next page l
8710190109 B40013 ADOCKOS00g4 DR L__-_.
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I REQUEST FOR ADDITIONAL INFORMATION
_The sample panelJ pressure = indicator would be used as a backup to the RCS
" pressure instrument for remote shutdown instrumentation.
1..
. Explain how communications would be accomplished between the
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. sample. room and panel C-160.
2.
Confirm that the. operability of the sample panel pressure indica-
. tor, including any upstream solenoid valves, is completely in-
- dependent' of the' cable spreading room or control room. Stated-l another way, confirm.that an' event leading to the use of' remote panels could not also-cause failure of the sample panel-pressure indicator.
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Portland General Electric Company ec:
Senior Resident Inspector U.S. Nuclear Regulatory Commission Trojan Nuclear Plant Post Office Box 0 Rainier, Oregon 97048 Robert M. Hunt, Chairman Board of County Commissioners Columbia County St. Helens, Oregon 97501 William T. Dixon Oregon Department of Energy Labor and Industries Building Room 111 Salem, Oregon 97310 Mr. T. R. Strong, Head Radiation Control Section Mail Stop LF-13 Department of Social and Health Services State of Washington
~ Olympia, Washington 98504 Regional Administrator Nuclear Regulatory Commission Region V Office of Executive Director for Operations 1450 Maria Lane Suite 210 Walnut Creek, California 94596 i
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