ML17193B342
| ML17193B342 | |
| Person / Time | |
|---|---|
| Site: | Dresden, Quad Cities  |
| Issue date: | 04/16/1981 |
| From: | Ippolito T Office of Nuclear Reactor Regulation |
| To: | Abel J COMMONWEALTH EDISON CO. |
| References | |
| NUDOCS 8104240219 | |
| Download: ML17193B342 (4) | |
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Dear Mr. Abel:
Pleas~ p~ovide !JS the addition~1..Jr1fP!:m.~U9.Q. r.~q~~sJ~~JQ -~~~... eJ]~l9§.µ~........
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See next page Sincerely, oatGDAii-SIGli'I> a1(_
Vernon L. Rooney for Thomas A. Ippolito, Chief Op~rating Re~ctors Branch #2
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NRC FORM 318.1101801 NR'CM,0240*.*
OFFICIAL RECORD COPY
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l' UNITED STATES
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NUCLEAR REGULATORY COMMISSION Docket Nos. 50-237, 249, 254 and 26,5 Mr. J. S. Abe 1 Director of Nuclear Licensing Commonwea 1th Ed.is on Company P. 0. Box 767 Chicago, Illinois 60690
Dear Mr.* Abel:
WASHINGTON, D. C. 20555 April 16, 1981 We have reviewed your submittals dated Noverrber 1, 1979, Augu?t 18, 1980 and March 18, 1981 on adequacy of station electric di'stribution system voltages for Dresden 2 and 3 and Quad Cities 1 and 2 and found that additional *information is required before our review can be completed.
Please provide us the additional information requested in the enclosure within 45 days of receipt of this letter.
cc:
See next page Since~ely,.
. *~~i~
Thomas A. Ippolito, Chief Operating Reactors Branch #2 Division of Licensing
Mr. J. S. Abel cc:
Mr. John W~ Rowe Isham, Lincoln & Beale Counselors at Law One First National Plaza, 42nd Floor Chicago, Illinois 60603 Mr. B. B. Stephenson.
Plant Superintendent Dresden Nuclear Power Station Rural Route #1 Morris, Illinois '60450
- Morris Public Library 604 Liberty Street Morris, Illinois 60451 U. S. Nuclear Regulatory Commission Resident Inspector's Office Dresden Station
. RR #1 Morris, Illinois 60450 Susan N. SeKuler Assistant Attorney General Environmental Control. Division 188 W. Randolph Street Suite 2315 Chicago, I1linois 60601 John F. Wolf, Esq.
3409 Shepherd Street Chevy Chase; Maryland 20015 Dr~ Linda W. Little 500 Hermitage Drive Raleigh, North Carolina 27612 Dr. Forrest J. Remick 0
305 fast Hamilton Avenue State College,.Pennsylvania 16801 Mr~ D. R. Stichnoth President Iowa-Illinois Gas and Electric Company
. 206 East Second Avenue Davenport, ldwa *s2ao1 Mr. John W. Rowe Isham, Lincoln & Beale
- Counselors a~ Law One First National Plaza, 42nd Floor Chicago, Illinois 60603 Mr. Nick Kalivianakas Plant Superintendent Quad Cities Nuclear Power Statiori 22710 - 206th Avenue - North Cordova,* I 11 i noi s 61242 Moline Public Library 504 - 17th Street Moline, Illinois. 61265 Resident* Inspector U. S. Nuclear Regulatory Corrrnission 22712 206th Avenue N.
- ordova, illinois 61242
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REQUEST.FOR ADDITIONAL INFORMATION QUAD CITIES UNITS l & 2: DRESDEN UNITS 2 & 3 ADEQUACY OF STATION ELECTRIC DISTRIBUTION SYSTEM VOLTAGES Reference l:
NRC letter (W. Gammill) to all Power Reactor Licensees, dated August 8, 1979.
Reference 2:
Commonwealth Edison letter (R. F. Janecek) to the NRC (D. Eisenhut), dated August 18, 1980.
Reference 3:
Commonwealth Edison letter (R. F. Janecek) to the NRC (W. Gammill) dated November l, 1979.
- Reference 4:
Commonwealth Edison letter (R. F. Janecek) to the NRC (T. A. Ippolito) dated March 18, *19s1 It is noted that the voltage aQalyses for Quad Cities Units~ &" 2 and Dresdeh
.Units 2 & 3 submitted in response to reference l have not considered any plant lineups which have one 480 v* emergency bus supplied from the opposite trairls480 V bus through their bus tie.
Commonwealth Edison should submit
.. voltage analyses for the use of these bus ties or identify plant operating
- instructions which discuss loading limitations on the use of the bus ttes (such as loading limitations to avoid exce_eding transformer capacities or creating excessively low bus voltages). *