ML20045B721
| ML20045B721 | |
| Person / Time | |
|---|---|
| Site: | Byron  |
| Issue date: | 06/14/1993 |
| From: | Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML20045B722 | List: |
| References | |
| NPF-37-A-054, NPF-66-A-054 NUDOCS 9306180350 | |
| Download: ML20045B721 (1) | |
Text
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PLANT SYSTEMS LIMITING CONDITION FOR OPERATION (Continued) p ACTION (Continued _1 c.
With one essential service water makeup pump inoperable, within l
72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> either:
1)
Restore the inoperable essential service water makeup pump to OPERABLE status, or
}
2)
Verify that the sme train deep well pump is OPERABLE with both UHS cooling tower basin levels 2 82%.
Continue to verify both basin levels are 2 82% every two hours and restore the inoperable essential service water makeup pump to OPERABLE status within *7 days.
(*This can be extended to 14 days for l
Essential Service Water Makeup pump inspection and extended maintenance during the time when at least one unit is in MODE 5 or 6.) The provisions of Specification 3.0.4 are not appl icable.
3)
Otherwise 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 />.
d.
With the essential service water pump discharge water temperature not meeting the above requirement, 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 />.
e.
1)
With c.._ UHS cooling tower basin switch inoperable:
a)
Restore the level switch 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 verify both basin levels are 2 82%-within the next hour and every 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> thereafter. The provisions of Specification 3.0.4 are not applicable.
b)
Otherwise 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 />.
2)
With hoth UHS cooling tower basin level switches inoperable:
a)
Restore one level switch to OPERABLE status within I hour and follow the provisions of 3.7.5.e.1 above, or verify both basin levels are 2 82% within the next hour and every 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> thereafter. The provisions of Specification 3.0.4 are not applicable.
b)
Otherwise 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 />.
3)
With any. UHS cooling tower basin level switch inoperable for more than 30 days, prepare and submit a special report to the Commission pursuant to Specification 6.9.2 within the next la days outlining the cause of the inoperability and the plans for restoring the switch (es) to OPERABLE i
status.
f.
With Rock River water level forecasted by NWS to exceed 702.0 feet MSL:
9306180350 930614 PDR ADOCK 05000454 p
PDR BYRON - UNITS 1 & 2 3/4 7-14 AMENDMENT NO. 54