ML20003E558
| ML20003E558 | |
| Person / Time | |
|---|---|
| Site: | Trojan File:Portland General Electric icon.png |
| Issue date: | 03/30/1981 |
| From: | Clark R Office of Nuclear Reactor Regulation |
| To: | Withers B PORTLAND GENERAL ELECTRIC CO. |
| References | |
| TAC-44654, NUDOCS 8104060205 | |
| Download: ML20003E558 (3) | |
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UNITED STATES y
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c d '.'OL.Q:-g March 30, 1981
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fl..fli l[h h E'1 Docket No. 50-344
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Mr. Bart D. Withers p
s Vice President Nuclear Portland General Electric Company 6
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121 S. W. Salmon Street Portland, Oregon 97204
Dear Mr. Withers:
This is a follow-up to my letter to you of February 18, 1981.
In conducting our review of auxiliary feedwater automatic iritiation and flow indication (TMI Action Plan item II.E.1.2) 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 by May 1, 1981.
Please contact us if you have any questions concerning this request.
Sincerely, b
G-<.
Robert A. Clark, Chief Operating Reactors Branch #3 Division of Licensing Enclosure; Request for Additional Information cc w/ enclosure:
See next page g.
8104060'&,0S P
Portland General Electric Co@any cc: Mr. J. W. Durham, Esquire S. P. Carfagno Senior Vice President and Franklin Research Center Corporate Counsel The Benjamin Franklin Parkway Portland General. Electric Cogany Philadelphia, PA 19103
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121 S. W. Salmon Street "f
Portland, Oregon 97204 Multnomah County Library Social Science and Science Department 801 S.W.10th Avenue Portland, Oregon 97205 Michael Malmros, Resident Inspector U. S. Nuclear Regulatory Comission Trojan Nuclear Plant P. O. Box 0 Rainier, Oregon 97048 i
Robert M. Hunt, Chairman Board of County Comissioners Columbia County St. Helens, Oregon 97501 Director, Criteria and Standards Division Office of Radiation Programs (ANR-460)
U. S. Environtrental Protection Agene,y Washington, D. C.
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Donald W. Godard, Supervisor l
Siting and Regulation Oregon Department of Energy Labor and Industries Building Room 111 Salem, Oegon 97310 on l <-
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REQUEST FOR ADDITIONAL INFORMATION TkOJAN AUXILIARY FEEDWATER (AFW) AUTOMATIC INITIATIO'N AND FLOW INDICATION 1.
Elementary wiring diagrams for:
a )' AFW System initiation circuits.
b) AFil System annunciation circuits.
c) AFW pump control circuits.
d) "AFW valve control circuits.
2.
Describe the steam generator level instrumentation at the Trojan facility.
e This description should include:
a)
Type and number of level channels per steam generator including the range of each channel.
b) The specific source (vital bus) from which each of these channels is powered.
c) Capability for testing and calibration including interval between tests.
d) The type of indication available in the control room for each' channel (indicator, recorder, etc.)
4.
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