ML20126C778
| ML20126C778 | |
| Person / Time | |
|---|---|
| Site: | Summer  |
| Issue date: | 06/10/1985 |
| From: | SOUTH CAROLINA ELECTRIC & GAS CO. |
| To: | |
| Shared Package | |
| ML20126C771 | List: |
| References | |
| NUDOCS 8506140522 | |
| Download: ML20126C778 (1) | |
Text
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ELECTRICAL POWER 5YSTEMS C.
3/4.8.4 ELECTRICAL EQUIPIENT PROTECTIVE DEVICES CONTAll#4ENT PENETRATION CONDUCTOR OVERCURRENT PROTECTIVE DEVICES LIMITING CONDITION FOR OPERATION All containment pe'netration conductor overcurrent protective devices reMrsd for 3.8.4.1 gg J.,T :fJ. e O.C 1 shall be OPERABLE.
APPLICABILITY:. MODES 1, 2, 3 and 4.
ACTION:
With one or more of the above required containment penetration conductor overcurrentprotectivedevice(s) inoperable:
Restore the protective device (s) to OPERABLE status or de-energize a.
the circuit (s) by tripping the associated backup circuit breaker l
or racking out or removing the inoperable circuit breaker within
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72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />, declare the affected system or component inoperab,le, l
and verify the backup circuit breaker to be tripped or the inoperable circuit breaker racked out, or removed, at least' once per 7 days thereafter; the provisions of Specification 3.0.4 are not applicable to overcurrent devices in circuits which have their backup, circuit
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I breakers tripped, their inoperable circuit. breakers racked out, or i
removed, or b.
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 COLD SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.
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SURVEILLANCE REQUIREMENTS' All containment penetration conductor overcurrent protect'ive devices ap<
4.8.4.1 C n th "ir Ch,2.C-1 shall be demonstrated OPERABLE:
pacle Mo:n pro on
- a.
- At least once per 18 months:
By verifying that the medium voltage (7.2 KV) circuit breakers l
1.
are OPERABLE by selecting, on a rotating basis, at least 10% of the circuit breakers of each voltage level, and performing the.
following:
i
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(a) A CHANNEL CALIBRATION of the associated protective relays,-
and I
An integrated system functional test which includes simulated (b) automatic actuation of the system and verifying that each
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relay and associated circuit breakers and control circuits I
function as desig6ed M :: eppi'f:d h Te:;;; 2.0-h-l
-t e predi4 p asab-f/.s p r h ti,*m, SutetER. UNIT 1,
3/4 8-16 8506140522 850610 PDR ADOCK 05000395 l
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