ML20056F057
| ML20056F057 | |
| Person / Time | |
|---|---|
| Site: | Quad Cities  |
| Issue date: | 08/19/1993 |
| From: | Morgan W COMMONWEALTH EDISON CO. |
| To: | Murley T NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM), Office of Nuclear Reactor Regulation |
| Shared Package | |
| ML20056F058 | List: |
| References | |
| NUDOCS 9308260010 | |
| Download: ML20056F057 (2) | |
Text
'N C mmonw lth Edisin 4 i) 1400 Opus Place Downers Grove, Illinois 60515 i
August 19,1993 l
Dr. Thomas E. Murley, Director Office of Nuclear Regulatory Commission U.S. Nuclear Regulatory Commission Washington, D.C. 20555 Attn: Document Control Desk
Subject:
Quad Cities Nuclear Power Station Unit 1 l
Revised Startup Test Report Summary NRC Docket No. 50-254/265 i
References:
(a)
R.A. Robey letter to T.E. Murley, dated July 19,1991 (b)
J. Schrage letter to T.E. Murley, dated July 23,.i992 i
Dear Dr. Murley:
References (a) & (b) transmitted the Quad Cities Station Units 1 and 2 Cycle 12 Startup Test Report Summaries. These reports were submitted in accordance with Technical Specification DPR-29, Section 6.6.A.I.
This letter re-transmits the reports in their entirety to correctly note values within the startup test report summaries that were incorrectly reported. The fbllowing table highlights the difference between the startup test reports summaries transmitted in references a & b and the revised Unit 1 and 2 Cycle 12.
It should be noted that:
]
The required shutdown margin for Unit 1 Cycle 12 and Unit 2 Cycle 12 were 0.322% AK respectively. These shutdown margin requirements were met throughout cycle 12 for both units.
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Table 1. Unit One and Unit Two Cycle 12 AK Comparison Parameter Previous Report Revision 1
(
UNIT ONE
}
AK difference between expected and actual 0.276 0.065 l
initial rod pattern (% AK)
Beginning of cycle 12 shutdown margin (%
2.809 2.598 l
AK) l Minimum shutdown margin at 4000 MWD /st 2.777 2.566 into cycle 12 (%AK)
UNIT TWO AK difference between expected and actual 0.2894 0.1154 critical rod pattern (% AK)
Beginning of cycle 12 shutdown margin (%
3.2895 3.1164
[
AK)
Minimum shutdown margin at 4000 3.2574 3.0834 MWD /ST into cycle 12 (% AK)
Please contact this office if you have any questions concerning this submittal.
Very truly yours, I
f k
eq Wayne
. Morgan d
Nuclear Licensing Administrator l
cc:
J.B. Martin, Regional Administrator - RIII T.E. Taylor, Senior Resident Inspector - QC C. Patel, Project Manager - NRR Office of Nuclear Safety - IDNS k:mstrlet:15
)
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