ML20067E527
| ML20067E527 | |
| Person / Time | |
|---|---|
| Site: | Byron, Braidwood  |
| Issue date: | 01/26/1990 |
| From: | Schuster T COMMONWEALTH EDISON CO. |
| To: | Murley T Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML20067E528 | List: |
| References | |
| NUDOCS 9102150079 | |
| Download: ML20067E527 (2) | |
Text
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M,I, J Commonwealth Edloon W
l 4" 7 Address ReWy to. Post Ofhce Box 767 r.; i l.-
One Fer:t Nahonal Piers. CNeago, mros v 6: CNesgo, mros 60690 0767 g
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'2 January 26', 1990-
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4 Dr.lThomasE.Murley--
'OffJce-of. Nuclear. Reactor Regulation =
U.S. Nuclear Regulatory Commission ~
Washington, DC 10555-Subject Byron Station Units 1 & 2
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'Braidwood Station Units-1 & 2-
-Application for Amendment to Facility-
-Operating Licenses NPF-37/66 & NPF-72/77
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NRC Docket Nos. 50-454/455 and 50-456/457
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Reference:
'a): Septeiaber. 28,/1988_ Letter from R.A. Chrzanowski to T.E.-Murley I
Lb) October;17,1908 letter from S.P. Sands.to hie. Bliss I
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Dear Dr.;Murleys,
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- Conunonwealth' Edison-proposes; to amend Appendix A, Technical'
- Specifications;of, Facility Operating Licenses NPF-37 &.66/NPF-721& 77 for-
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-Byron /Braidwood; Stations,_ pursuant;to 10 CFR-50.90.- The-proposed'amendmenti requesto changes to the Action Statement' requirements'of Specification 3.1.3.1 to rostrict-control. rod' movement _ and thermal power in the eventu of multiple t
inoperable but:trippable control rods. 'The Bases section-for this-
, Specification has also been revised:to reflect these:new requirements. The
- currentiset of. Specification Action. Statements do not recognise a' situation..in c
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'which multiple controle rods are still capable of; performing their safety i
' function-but cannot perform their control function because of an electrical.
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- failure within the rod: control, system.1 This change'may therefore avert an-iunnecessary; transient on'the plant.as a result of a_ shutdown required by the A
"currentinction statements, while maintaining ~the safe 1 operation"of:the Laffected unit'.-
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- >The proposed amendment-was previously; submitted-
- in-the3lett'er._ _
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iidentifiedlin= Reference-(a).-lItlwas subsequently; returned for(resubmittal on.
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t 10ctober 17 F 1988 by the:-letter of Reference (b); 'An improved technical' d
-justification;and bases is provided-with. specific" reference to the-1
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j 1 Byron /Braidwoodl design. This new submittal;should' satisfy any previous concerns' '
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. "contains the marked up Technical Specifications _and-4
~ Base.s1pages..jAttachment;2icontains:aidetailed description of the changes;and-
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g, tandithe'basesEfor the changes.
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.jThe proposed changes have been rev ewed_and. approve y both onsite-
- and'offsiteireview in accordance with 10CFR 50;92(c). : Commonwealth Edison hasL
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' determined;that no'significant: hazards l consideration exists and has: performed
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?an~ Environmental' Assessment. Documentation'of these reviews 1s contained in=
Attachments 3;and~4 respectively.
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1 9102150079 910126 PDR ADOCK 05000454
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- l Commonwealth Edison is notifying the State of Illinois of this spplication for amendment by transmitting a copy of this letter and its attachments to the-designated State 0fficial.
Please direct any questions regarding this submittal to this office.
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Very truly yours, N
T.K. Schuster Nuclear Licensing Administrator 4
Attachments 1) Marked up Technical. Specification & Bases Pages:
.2) Description and Bases of the proposed-changes-
- 3) Evaluation of Significant Hazards Considerations-
- 4) Environmental Assessment
-cet Resident Inspector-Byron
-Resident Inspector-Braidwood P..C. Shemanski-NRR.
S. P. Sands NRR Region III Offlen; Office of Nuclear Facility-IDNS:
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