ML20072U104
| ML20072U104 | |
| Person / Time | |
|---|---|
| Site: | Peach Bottom  |
| Issue date: | 09/06/1994 |
| From: | PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC |
| To: | |
| Shared Package | |
| ML20072U108 | List: |
| References | |
| NUDOCS 9409160123 | |
| Download: ML20072U104 (1) | |
Text
Unit 3 PBAPS LIMITING CONDITIONS FOR OPERATION SURVEILLANCE REQUIREMENTS 3.9.B (Continued) 3.
When it is determined that one diesel generator is
- 3. a. With one diesel generator inoperable inoperable, verify the and the Conowingo line OPERABLE, OPERABILITY of the remaining restore the inoperable diesel generator A.C. sources by performing to an OPERABLE status within 30 days.
Surveillance Requirement 4.9.A.1.1.a within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> and
- b. When one diesel generator becomes once per 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> thereafter.
inoperable while the conowingo line is Verify within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> that inoperable, either:
required systems, subsystems, trains, components, and 1.
restore the diesel generator to an devices that depend on the OPERABLE status within 7 days, remaining diesel generators as a source of emergency or power are OPERABLE.
2.
restore the Conowingo line to an If the diesel generator 1
OPERABLE status within 7 days, and became inoperable for any restore the diesel generator to an reason other than preplanned OPERABLE status within 30 days.
preventative maintenance, or testing, either determine
- c. When the Conowingo line becomes within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> that l
inoperable while one diesel generator is remaining operable diesel inoperable, then:
generators are not inoperable due to common cause failure 1.
restore the diesel generator or the or demonstrate the Conowingo line to an OPERABLE status OPERABILITY of the remaining l
within the next 7 days, operable diesel generators by performing Surveillance and Requirement 4.9.A.I.2.a.3 for one diesel at a time, within 2.
restore the diesel generator to an 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />
- and at least once operable status within 30 days from per 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> thereafter.
the time that the diesel generator became inoperable.
- d. If the requirements of 3a, 3b, or 3c, above cannot be met then be in at least l
H0T SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> and in COLD SHUTDOWN within the following 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.
l OThis test is required to be completed regardless of when the inoperable diesel generator is restored to OPERABILITY for failures that are potentially generic to the remaining diesel generators and for which appropriate alternative testing cannot be designed.
l
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