ML20085K469
| ML20085K469 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 10/11/1991 |
| From: | NRC |
| To: | |
| Shared Package | |
| ML20085K472 | List: |
| References | |
| NUDOCS 9110310106 | |
| Download: ML20085K469 (2) | |
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PLMT SYSTEMS l
AUXILIARY FEE 0 WATER SYSTEM LIMITING CONDITION FOR OPERAf!0N 3.7.1.2.1 At least three independant steam generator auxiliary feedwater pumps and associated flow paths shall be OPERABLE with:
l Two motor-driven auxiliary feedwater pumps, each capable of being a.
powered from separate emergency busses, b.
One steam turbine driven auxiliary feedwater pump capabi of being powered from an OPERA 8LE steam supply syntaa, and c.
Manual valves in the correct position and automatic valves each capable of being opened and closed, with the following exceptions:
1.
Motor-driven auxiliary fee & stor pump discharge bypass control valves, HV-4762 and HV 4763, need only be capable of being
- closed, 2.
Steam turbine-driven auxiliary feedwater pump steam supply isolation valves, HV 8200 and HV 8201, and turbine stop valve, HV-4716, need only be capable of being opened, and 3.
Manual crosstie valves 1305MV634 and 1305MU635 m>y be open in Mode 3 provided a minimum of 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> has elapsed since reactor shutdown.
APPLICABILITY:
MODES 1, 2 and 3.
ACTION:
With one auxiliary feedwater pump or its associated flow path inoper-a.
able, restore the required auxiliary feedwater pump and its associated-flow path to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in HOT SHUTDOWN within the follow-ing 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.
b.
With either two auxiliary feedwater pumps, two' flow paths, or one pump and one separate flow path inoperable, be in at lore HOT STANDGY within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> ano in HOT SHUTDOWN within the foiiowing 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.
With three auxiliary feedwater pumps or flow paths inoperable {liar c.
- tamed-iately initiate corrective action to-rest 6re at least one aux feedwater pump and its associated flow path to OPERABLE status as soon
, as possible, d.
With an automatic valve in any flow path incapable of closing upon receipt of a Main Steam Isolation Signal, close the affected valve or its block valve within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> and enter actions a. b, or c if i
there is a loss of the flow paths (s).
Testing pursuant to Technical Specification 3.3.2 does not constitute entry into this ACTION
-Statement.
SAN ON0FRE-UNIT 2 3/4 7-4 AMENDMENT NO. 99 9110310106 911011 PDR ADOCK 05000361 F'
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BANTSYSTEMS AUXitlARY FEED _ WATER SYSTEM llMITING CONDITION FOR OPERATION 3.7.1.2.1 At least three independent steam generator auxiliary feedwater pumps and associated flow paths shall be OPERABLE with:
Two riotor-driven auxiliary feedwater pumps, each capable of being a.
powered from separate er.ergency busses, b.
One steam turbine-driven auxiliary feedwater pump capable of being powered from an OPERABLE steam supply system, and Manual valves in the correct position and automatic valves each c.
capable of being opened and closed, with the following exceptions:
1.
Motor-driven auxiliary feedwater pump discharge bypass control va'ves, HV-4762 and HV-4763, need only be capable of being
- closed, 2.
Steam turbine driven auxiliary feedwater pump steam supply isolation valves, HV-8200 and HV-8201, and turbine stop valve.
HV 4716, need only be capable of being opened, and 3.
Manual crosstie valves 1305MU634 and 1305MX35 may be open in Hade 3 provided a minimum of 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> has elapsed since reattor shutdown.
APPLICABILITY:
F0 DES 1, 2 and 3.
ACTION:
With one auxiliary feedwater pump or its associated flow path inoper-a.
able, restore the required auxiliary feedwater pump and its associated flow path to OPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or be in at least HOT STANDBY within the next 5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> and in HOT SHUTDOWN within the follow-ing 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.
b.
With either two auxiliary feedwater pumps, two flow paths, or ont pump and one separate flow path inoperable, be in at least HOT STANDBY within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in HOT SHUTDOWN within the following 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.,
With three auxiliary feedwater pumps or flow paths inoperable immed-c.
iately initiate corrective action to restore at least one aur.Iliary feedwater pump and its associated flow path to OPERABLE status as soon as possible, d.
With an automatic valve in any flow path incapable of closing upon receipt of a Main Steam Isolation i.gnal, close the affected valve or its block valve within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> and enter actions a, b, or e if there is a loss of the flow paths (s).
Testing pursuant to Technical Specification 3.3.2 does not constitute entry into this ACTION Statement.
SAN ONOFRE-UNIT 3 3/4 7-4 AMENDMENT NO.88