ML20082K165
| ML20082K165 | |
| Person / Time | |
|---|---|
| Site: | Catawba  |
| Issue date: | 04/12/1995 |
| From: | Carroll M, Clark R, Thomas S DUKE POWER CO. |
| To: | |
| Shared Package | |
| ML20082K163 | List: |
| References | |
| CNEI-0400-24, CNEI-0400-24-R07, CNEI-400-24, CNEI-400-24-R7, NUDOCS 9504190103 | |
| Download: ML20082K165 (5) | |
Text
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CNEI-0400-24 j
i Page 1 of 19 Revision 7 Catawba Unit 1 Cycle 9 Core Operating Limits Report April 1995 i
l Duke Power Company l
l Date
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Prepared By:
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Approved By:
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QA Condition 1 l
The contents of this document have been reviewed to verify that no material herein either directly or indirectly changes the results and conclusions presented in the 10CFR50.59 Catawba 1 Cycle 9 Reload Safety Evaluation (CNC-1552.08-004)236).
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i Cctawba 1 Cycis 9 Core Operating Limits R2 port CNEI-0400-24 Page 2 of 19 Revision 7 i
i INSERTION SHEET FOR REVISION 7 i-1 Ecmove Insert Pages 1,2,3,5,6 Pages 1,2,3,5,6 i
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C:t:wba 1 Cycle 9 Core Operating Limits R: port CNEI-0400-24 Page 3 of 19 Revision 7 REVISION LOG l
l Revision Effective Date Comment OriginalIssue September 8,1992 CIC07 COLR Revision 1 October 10,1992 CIC07 COLR rev 1 Revision 2 December 1,1993 CIC08 COLR Revision 3 April 14,1994 CIC08 COLR rev 1 Revision 4 October 24,1994 CIC08 COLR rev 2 Revision 5 November 30,1994 CIC08 COLR rev 3 Revision 6 February 15,1995 CIC09 COLR Revision 7 April 12,1995 CIC09 COLR rev 1 l
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4 Cettwba 1 Cycis 9 Core Operating Limits R: port CNEI-0400-24 i
Page 5 of 19 Revision 7 i
a 1.1 Operating Limits The cycle-specific parameter limits for the specifications listed in Section 1.0 are presented in the following subsections. These limits have been developed using NRC approved methodologies specified in Technical Specification 6.9.1.9.
2.0 Reactor Trip System Instrumentation Setpoints (Specification 2.2.1) t 2.0.1 Overtemperature AT Setpoint Parameter Values Parameter y_ alum Overtemperature AT reactor trip setpoint K1 = 1.1954 Overtemperature AT reactor trip heatup.
K = 0.03371/0F 2
setpoint penalty coefficient Overtemperature AT reactor trip K = 0.001529/ psi 3
depressurization setpoint penalty coefficient i
l Measured reactor vessel AT lead / lag time tg = 8 sec.
Constants T2 = 3 sec.
4 Measured ATlag time constant T = 0 sec.
3 i
Measured reactor vessel average temperature T = 22 sec.
4 lead / lag time constants T = 4 sec.
5 i
i Measure reactor vessel average temperature T6 = 0 sec.
lag time constant t
i f (AI) " positive" breakpoint
= 8.0 %AI i
l f (AI) " negative" breakpoint
= -42.0 %Al i
f (AI) " positive" slope
= 1.640 %ATg %AI e
i f (AI) " negative" slope
= 3.672 %ATg %AI i
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k t
4 y
C t:wb21 Cycia 9 Core Operating Limits Report CNEI-0400-24 Page 6 of 19 Revision 7 2.0.2 Overpower AT Setpoint Parameter Values Parameter Value s
Overpower AT reactor trip setpoin K4 = 1.0855 K = 0.001262PF Overpower AT reactor trip heatup setpoint 6
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penalty coefficient (for T > 590.8 F)
Overpower AT reactor trip heatup setpoint K6 = 0.0FF penalty coefficient (for T s 590.8 F) '
t = 8 sec.
Measared reactor vessel ATlead/ lag tic.c i
l constants -
T = 3 sec.
2 Measured ATlag time constant T = 0 sec.
3 i
Measure reactor vessel average temperature q = 0 sec.
lag time constant Measure reactor vessel average temperature t a 10 sec.
7 rate-lag time constant 4
j f (AI) " Positive" breakpoint
= 35.0 %AI j
2 3
5 i
f (AI) " negative" breakpoint
= -35.0 %AI 2
f (AI) " Positive" slope
= 7.0 %ATg %AI 2
f (AI) " negative" slope
= 7.0 %ATg %AI 2
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