ML022630314
| ML022630314 | |
| Person / Time | |
|---|---|
| Site: | Byron, Braidwood  |
| Issue date: | 09/19/2002 |
| From: | NRC/NRR/DLPM/LPD3 |
| To: | |
| Shared Package | |
| Ml022690264 | List: |
| References | |
| TAC MB4448, TAC MB4449, TAC MB4450, TAC MB4451 | |
| Download: ML022630314 (12) | |
Text
DC Sources-Operating 3.8.4 3.8 ELECTRICAL POWER SYSTEMS 3.8.4 DC Sources-Operating LCO
3.8.4 APPLICABILITY
Division 11(21) and Division 12(22) DC electrical power subsystems shall be OPERABLE and not crosstied to the opposite unit.
MODES 1, 2, 3, and 4.
ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One battery charger A.1 Crosstie 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> inoperable, opposite-unit bus with associated OPERABLE battery charger to the affected division.
AND A.2 Restore battery 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> terminal voltage to greater than or equal to the minimum established float voltage.
AND A.3 Verify battery float Once per 12 current < 3 amps.
hours AND A.4 Restore battery 7 days charger to OPERABLE status.
(continued)
BYRON - UNITS 1 & 2 I
I Amendment 129 3.8.4 - 1
DC Sources-Operating 3.8.4 ACTIONS (continued)
B.
One DC electrical B.1 Open at least one 204 hours0.00236 days <br />0.0567 hours <br />3.373016e-4 weeks <br />7.7622e-5 months <br /> power division crosstie breaker crosstied to between the crosstied opposite-unit DC divisions.
electrical power subsystem that has an inoperable battery charger, while opposite unit is in MODE 1, 2, 3, or 4.
C.
One DC electrical C.1
NOTE----
power division Only required when crosstied to opposite unit has an opposite-unit DC inoperable battery.
electrical power subsystem with an inoperable source, Verify opposite-unit Once per while opposite unit is DC bus load 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> in MODE 5, 6, or
< 200 amps.
defuel ed.
AND C.2 Open at least one crosstie breaker 7 days between the crosstied divisions.
D.
One DC electrical D.1 Restore DC electrical 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> power subsystem power subsystem to inoperable for reasons OPERABLE status.
other than Condition A, B, or C.
E.
Required Action and E.1 Be in MODE 3.
6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> Associated Completion Time not met.
AND E.2 Be in MODE 5.
36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> BYRON -
UNITS 1 & 2 I
Amendment 129 3.8.4 -
2
DC Sources-Operating 3.8.4 SURVEI LLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.8.4.1 Verify battery terminal voltage is greater 7 days than or equal to the minimum established float voltage.
SR 3.8.4.2 Verify each battery charger supplies a load 18 months equal to the manufacturer's rating at greater than or equal to the minimum established float voltage for >_ 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />.
OR Verify each battery charger can recharge the battery to the fully charged state within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> while supplying the largest coincident demands of the various continuous steady state loads, after a battery discharge to the bounding design basis event discharge state.
SR 3.8.4.3 NOTES--------------
- 1.
The modified performance discharge test in SR 3.8.6.6 may be performed in lieu of the service test in SR 3.8.4.3.
- 2.
This Surveillance shall not be performed in MODE 1, 2, 3, or 4.
Verify battery capacity is adequate to 18 months supply, and maintain OPERABLE status, the required emergency loads for the design duty cycle when subjected to a battery service test.
BYRON - UNITS 1 & 2 Amendment 129 3.8.4 - 3
DC Sources-Shutdown 3.8.5 3.8 ELECTRICAL POWER SYSTEMS 3.8.5 DC Sources-Shutdown LCO 3.8.5 APPLICABILITY:
One DC electrical power subsystem shall be OPERABLE.
NOTE ---------------------------
The required DC electrical power subsystem may be crosstied to the opposite unit, when the opposite unit is in MODE 1, 2, 3, or 4 with an inoperable battery charger.
MODES 5 and 6, During movement of irradiated fuel assemblies.
ACTIONS
NOT E..............................
LCO 3.0.3 is not applicable.
I
-
CONDITION A. One required DC electrical power subsystem inoperable for reasons other than Condition B.
A.1 REQUIRED ACTION Declare affected requi red feature(s) inoperable.
OR COMPLETIUN IIML Irmmedi ately (continued)
Amendment 129 BYRON - UNITS 1 & 2 I I I
I I 3.8.5 - 1
DC Sources-Shutdown 3.8.5 Ar'TTAMc.z (rtntini,rfl fl.i I.L.JI*.J
'SJi.-
Amendment 129 BYRON - UNITS 1 & 2 CONDITION REQUIRED ACTION COMPLETION TIME A. (continued)
A.2.1 Suspend CORE Immediately ALTERATIONS.
AND A.2.2 Suspend movement of Immediately irradiated fuel assemblies.
AND A.2.3 Initiate action to Immediately suspend operations i nvol ving positive reactivity additions.
AND A.2.4 Initiate action to Immediately restore required DC electrical power subsystem to OPERABLE status.
AND A.2.5 Declare affected Low Immediately Temperature Overpressure Protection feature(s) inoperable.
(continued)
I 3.8.5 - 2
DC Sources-Shutdown 3.8.5 ACTIONS (continued)
CONDITION B. One required DC electrical power subsystem crosstied to opposite-unit DC e ectrical power subsystem with an inoperable source, while opposite unit is in MODE 5, 6, or defueled.
REQUIRED ACTION B.1 NOTE -------
Only required when opposite unit has an I noperabl e battery.
Verify opposite-unit DC bus load is
- _ 200 amps.
Open at least one crosstie breaker between the crosstied divisions.
AND B.2 COMPLETION TIME Once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> 7 days I
I AIII'1 flr-AIITflrKANITC
)UKVYI LLMINUL IQUUr\\Ei'iEMLIN SURVEI LLANCE SR 3.8.5.1
-- ---------------- NOTE -------------------
The following SRs are not required to be performed:
SR 3.8.4.2 and SR 3.8.4.3.
For DC sources required to be OPERABLE, the following SRs are applicable:
SR SR SR 3.8.4.1 3.8.4.2 3.8.4.3 In accordance with applicable SRs J _______________________
Amendment 129 BYRON -
UNITS 1 & 2 I I I
3.8.5 - 3
Battery Parameters 3.8.6 3.8 ELECTRICAL POWER SYSTEMS 3.8.6 Battery Parameters LCO
3.8.6 APPLICABILITY
Battery parameters for Division 11(21) and Division 12(22) batteries shall be within limits.
When associated DC electrical power subsystems are required to be OPERABLE.
ACTIONS
N O T E -----------------------------------
Separate Condition entry is allowed for each battery.
CONDITION REQUIRED ACTION COMPLETION TIME A.
One battery with one A.1 Perform SR 3.8.4.1.
2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> or more cells with float voltage AND
< 2.07 V.
A.2 Perform SR 3.8.6.1.
2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> AND A.3 Restore affected cell 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> float voltage to
> 2.07 V.
B.
One battery with float B.1 Perform SR 3.8.4.1.
2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> current > 3 amps.
AND B.2 Restore battery float 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> current to < 3 amps.
(continued)
Amendment 129 BYRON -
UNITS 1 & 2 3.8.6 - 1
Battery Parameters 3.8.6 ACTTAM
(r-rn1-niicd\\
C ------- NOTE-----
Required Action C.2 must be completed if electrolyte level was below the top of plates.
One battery with one or more cells with electrolyte level less than minimum established design limits.
NOTE -------------
Requi red Actions C.1 and C.2 are only applicable if electrolyte level was below the top of plates.
Restore affected cell electrolyte level to above the top of plates.
C.1 AND C.2 Verify no leakage.
AND C.3 evidence of Restore affected cell electrolyte level to greater than or equal to minimum established design limits.
8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> 12 hours 31 days D. One battery with D.1 Restore pilot cell 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> pilot cell electrolyte electrolyte temperature to temperature less than greater than or equal minimum established to minimum design limits.
established design limits.
E.
Two batteries with E.1 Restore battery 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> battery parameters parameters for one not within limits, battery to within limits.
I.U I
L~
Amendment 129 BYRON - UNITS 1 & 2 KrTTnMC
(
+in nA)
%-VH U
I ku,~
".lIL UCI 3.8.6 - 2
Battery Parameters 3.8.6 ACTIONS (continued)
CONDITION REQUIRED ACTION COMPLETION TIME F. Required Action and F.1 Declare associated Immediately associated Compl eti on battery inoperable.
Time of Condition A, B, C, D, or E not met.
OR One battery with one or more cells with float voltage < 2.07 V and float current
> 3 amps.
SURVEI LLANCE REQUIREMENTS SURVEI LLANCE FREQUENCY SR 3.8.6.1 NOTE----------------
Not required to be met when battery terminal voltage is less than the minimum established float voltage of SR 3.8.4.1.
Verify each battery float current is 7 days
< 3 amps.
SR 3.8.6.2 Verify each battery pilot cell float 31 days voltage is > 2.07 V.
SR 3.8.6.3 Verify each battery cell electrolyte level 31 days is greater than or equal to minimum established design limits.
SR 3.8.6.4 Verify each battery pilot cell electrolyte 31 days temperature is greater than or equal to minimum established design limits.
SR 3.8.6.5 Verify each battery cell float voltage is 92 days
> 2.07 V.
(continued)
BYRON - UNITS 1 & 2 3.8.6 -
3 Amendment 129
Battery Parameters 3.8.6 SURVEILLANCE REQUIREMENTS (continued)
SURVEI LLANCE FREQUENCY SR 3.8.6.6
NOTE --------------------
This Surveillance shall not be performed in MODE 1, 2, 3, or 4.
Verify battery capacity is > 80% of the manufacturer's rating when subjected to a 60 months performance discharge test or a modified performance discharge test.
AND 12 months when battery shows degradation or has reached 85%
of the expected life with capacity < 100%
of manufacturer's rating AND 24 months when battery has reached 85% of the expected life with capacity > 100%
of manufacturer's rating BYRON - UNITS 1 & 2 I
Amendment 129 3.8.6 - 4
Inverters-Shutdown 3.8.8 3.8 ELECTRICAL POWER SYSTEMS 3.8.8 Inverters-Shutdown LCO
3.8.8 APPLICABILITY
Two inverters shall be OPERABLE.
MODES 5 and 6, During movement of irradiated fuel assemblies.
ACTIONS
-NOTE LCO 3.0.3 is not applicable.
CONDITION REQUIRED ACTION COMPLETION TIME A.
One or more required A.1 Declare affected Immediately inverters inoperable.
required feature(s) inoperable.
OR (continued)
BYRON -
UNITS 1 & 2 I I 3.8.8 - 1 Amendment 129
Programs and Manuals 5.5 5.5 Programs and Manuals 5.5.16 Containment Leakage Rate Testing Program (continued)
- b.
Air lock testing acceptance criteria are:
- 1.
Overall air lock leakage rate is _< 0.05 La when tested at
> P_; and
- 2.
For each door, seal leakage rate is:
- i.
< 0.0024 La, when pressurized to > 3 psig, and ii.
< 0.01 La, when pressurized to > 10 psig.
The provisions of SR 3.0.2 do not apply to the test frequencies specified in the Containment Leakage Rate Testing Program.
The provisions of SR 3.0.3 are applicable to the Containment Leakage Rate Testing Program.
5.5.17 Battery Monitoring and Maintenance Program This program provides for restoration and maintenance, based on the recommendations of IEEE Standard 450, "IEEE Recomnended Practice for Maintenance, Testing, and Replacement of Vented Lead - Acid Batteries For Stationary Applications, or of the battery manufacturer of the following:
A.
Actions to restore battery cells with float voltage < 2.13 V, and B.
Actions to equalize and test battery cells that had been discovered with electrolyte level below the minimum established design limit.
BYRON - UNITS 1 & 2 5.5 - 25 Amendment 129