ML20054J721
| ML20054J721 | |
| Person / Time | |
|---|---|
| Site: | Brunswick  |
| Issue date: | 06/24/1982 |
| From: | CAROLINA POWER & LIGHT CO. |
| To: | |
| Shared Package | |
| ML20054J716 | List: |
| References | |
| NUDOCS 8206290490 | |
| Download: ML20054J721 (3) | |
Text
_ _ _
POWER DISTRIBUTION LIMITS 3/4.2.3 MINIMUM CRITICAL POWER RATIO LIMITING CONDITION FOR OPERATION 3.2.3.1 The MINIMUM CRITICAL POWER RATIO (MCPR), as a function of core flow, shall be equal to or greater than the MCPR limit times the Kf shown in Figure 3.2.3-1, provided that the end-of-cycle recirculation pump trip system is OPERABLE per specification 3.3.6.2, with:
a.
If ODYN OPTION A analyses are in effect, the MCPR limits are listed below:
1.
MCPR for 7x7 fuel
= 1.21*
2.
MCPR'for 8x8 fuel
= 1.29 3.
MCPR for 8x8R fuel = 1.2 5 and l
4 MCPR for P8x8R fuel = 1.27 b.
If ODYN OPTION B analyses are in effect (refer to specification 3.2.3.2), the MCPR limits are listed below:
1.
MCPR for 7x7 fuel
= 1.20*
2.
MCPR for 8x8 fuel
= 1.29 3.
MCPR for 8x8R fuel = 1.21 and 4
MCPR for P8x8R fuel = 1.22 APPLICABILITY: CONDITION 1 when THERMAL POWER 1 25% RATED THERMAL POWER ACTION:
i With the end-of-cycle recirculation trip system INOPERABLE per a.
Specification 3.3.6.2, operation may continue and the provisions of Specification 3.0.4 are not applicable with the following MCPR limit adjustments:
1.
Beginning-of-cycle (BOC) to end-of-cycle (EOC) minus 2000 MRD/t, within one hour determine that MCPR, as a function of core flow, is equal to or greater than the MCPR limit times the Kg shown in Figure 3.2.3-1 with:
If ODYN OPTION A analyses are in effect, the MCPR limits are a.
listed below:
1.
MCPR for 7x7 fuel
= 1.20*
2.
MCPR for 8x8 fuel
.= 1.29, 3.
MCPR for 8x8R fuel - 1.2 4 and,
l 4
MCPR for P8x8R fuel = 1.26 b.
If ODYN OPTION B analyses are in effect (refer to specification 3.2.3.2), the MCPR limits are listed below:
1.
MCPR for 7x7 fuel
= 1.20
- 2.
MCPR for 8x8 fuel
= 1,29 3.
MCPR for 8x8R fuel = 1.22 and 4
MCPR for P8x8R fuel = 1.25 BRUNSWICK - UNIT 2 3/4 2-11 Amendment No.
8206290490 820624 PDR ADOCK 05000324 P
i 2.
EOC minus 2000 MWD /t to EOC, within one hour determine that MCPR, as a function of core flow, is equal to or greater than the MCPR limit times the Kg shown in Figure 3.2.3-1 with:
J f 'dDYN OPTION A analyses'a' eln iffict,- the MCPR limits are I
-~
~ 7
-a. -
r listed below:
1.
MCPR for 7x7 fuel
= 1.28*
2.
MCPR for 8x8 fuel
= ~ 1.3 5 3.
MCPR for 8x8R fuel = 1.36 and 4.
MCPR for P8x8R fuel = 1.39 b.
If ODYN OPTION B analyses are in effect (refer to specification 3.2.3.2), the MCPR limits are listed below:
1.
MCPR for 7x7 fuel
= 1.20*
2.
MCPR for 8x8 fuel
= 1.29, 3.
MCPR for 8x8R fuel = 1.24 and, 4.
MCPR for P8x8R fuel = 1.27 b.
With MCPR, as a function of core flow, less than the applicable limit determined from Figure 3.2.3-1 initiate corrective action within 15 minutes and restore MCPR to within the applicable limit within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> or reduce THERMAL POWER to less than 25% of RATED THERMAL POWER within the next 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />.
SURVEILLANCE REQUIPIMENTS 4.2.3.1 MCPR, as a function of core flow, shall be determined to be equal to or greater than the applicable limit determined from Figure 3.2.3-1:
A.
At least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, B.
Within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> af ter completion of a THERMAL POWER increase of at least 15% of RATED THERMAL POWER, and C.
Initially and at least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> when the reactor is operating in a LIMITING CONTROL ROD PATTERN for MCPR.
- For 7x7 fuel assemblies, the K factor is based on the 112% flow curve of g
Figure 3.2.3-1 rather than the actual setpoint of 102.5%.
BRUNSWICK - UNIT 2 3/4 2-11A Amendment No.
TABLE 3.2.3.2-1 TRANSIENT OPERATINC LIMIT MCPR VALUES s
N TRANSIENT FUEL TYPE 7x7 8x8 8x8R P8x8R U
N NONPRESSURIZATION TRANSIENTS 1
1.20 1.29 1.21 1.22 With RPT inoperable (inop.)
1.20 1.29 1.22 1.25
- I TURBINE TRIP / LOAD REJECT WITH0lTr BYPASS E
MCPR MCPR HCPR MCPR HCPR MCPR MCPR MCPR A
B A
B g
B A
B e
G RPT (op.)
1.21 1.13 1.25 1.17 1.25 1.17 1 27 1.19 m
7 RPT (inop.) BOC + EOC - 2000 1.18 1.08 1.23 1.08 1.24 1.08 1526 1.08 RPT (inop.) EOC - 2000 + EOC 1.28 1.18 1.35 1.23 1.36 1.24 1 39 1.27 FEEDWATER CONTROL FAILURE
?j MCPR MCPR MCPR MCPR HCPR HCPR PR EPR A
B A
B A
B A
B RPT (op.)
1.16 1.13 1.17 1.14 1.17 1.14 l'17 1.14 RPT (inop.) BOC + EOC - 2000 1.16 1.10 1.16 1.10 1.17 1.11 1.17 1.11 E
RPT (inop.) EOC - 2000 + EOC 1.15 1.09 1.16 1.10 1.16 1.10' l.17 1.11
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