ML20197E462
| ML20197E462 | |
| Person / Time | |
|---|---|
| Site: | Catawba  |
| Issue date: | 12/19/1997 |
| From: | Gordon Peterson DUKE POWER CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| Shared Package | |
| ML20197E468 | List: |
| References | |
| NUDOCS 9712300010 | |
| Download: ML20197E462 (2) | |
Text
/7 Duke Power Company l
A Dsh Earrgy Compay GU Cutsu4e Nucha Station
=
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4800 Concord Road York. $C 29745
~- Go,y R. M, eon (803) 8314251 omCE Wehrsidows (803) 831-34267.tx December l19,.1997 U.S.. Nuclear Regulatory Commission ATTENTION:' Document Control Desk
-Washington, D.C.
20555
Subject:
.' Duke Energy Corporation Catawba Nuclear Station Unit 1 Docket No.: 50-413 Core Operating. Limits Report (COLR)
Attached,-
pursuant
.t o Catawba-Technical Specification j
. 6. 9.1'. 9, - is..an information copy of a revision to the Core
. Operating Limits Report for Catawba Unit l'
Cycle 11.
Revision 12 to the Unit 1 COLR is1being macie to, update the limits for the new Catawba 1 Cycle 11 relcad core.
Along l
with the power distribution surveillance data (Appendix A) which' changes each
- cycle, this revision also includes changes associated with increased operating boron
~
concentrations.
The minimum boron concentrations for the
-. Refueling ~ Water - Storage Tank (RWST), Cold Leg Accumulators-l CLA), ' and the Boric Acid Tanks have been increased 200-300 ppm.
The maximum boron concentration limits associated with these tanks were previously increased in a revision to the l
Catawba 1 Cycle 10 COLR.
Please-direct any questions or concerns to Martha Purser at j
-(803).831-4015.
" Sincerely,
_5 A
4 G. R.lPeterson v.
Attachment 4[jfj]17 9712300010 971219' PDR ADOCK 0S000413 p
POR 1
I U.-S.
Nuclear Regulatory Commission
' December-- 19, 1997:_
_Page 2 xc w/att:.-L. A. Reyes, Regional, Administrator USNRC, Region II P.
S.. - Tam, Project Manager USNRC, ONRR-D. J. Roberts Senior Resident Inspector (CNS) i e
w