ML20205S133
| ML20205S133 | |
| Person / Time | |
|---|---|
| Site: | Callaway  |
| Issue date: | 03/27/1987 |
| From: | UNION ELECTRIC CO. |
| To: | |
| Shared Package | |
| ML20205S104 | List: |
| References | |
| NUDOCS 8704060530 | |
| Download: ML20205S133 (1) | |
Text
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- Fyfglojy d PLANT SYSTEMS 3/4.7.5 ULTIMATE HEAT SINK' s
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LIMITING CONDITION FOR OPERATION 3.7.5 The ultimate heat sink (UHS) shall be OPERABLE with:
a.
A minimum water level at or' above 13.25 feet (El 831.25 feet MSL) from the bottom of the UHS, b.
An average water temperature of less than or equal' to 90*F, and c.
Two UHS cooling tower trains (2 cells per train).
APPLICABILITY: MODES 1, 2, 3, and 4.
ACTION:
- b. With one. 045 coolin tower 4 rain inoperable _, redore. boh drains
'dith th; UMS !.x;;;re... rc:t:r; the UMS'fto 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 STANOBY 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 4.7.5.1 The UHS shall be determined OPERABLE at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> by verifying the average water temperature and water level to be within their limits.
4.7.5.2 The UHS cooling tower trains shall be demonstrated OPERABLE at least once per 31 days by verifying that ea.ch cooling tower fan operates for at least 15 minutes in both the slow and fast mode and at least once per 18 inonths by visually inspecting and verifying no abnormal breakage or degradation of the fill materials.
- 4. 7. 5. 3 The UHS shall be determined OPERABLE at least once per 31 days by visually inspecting the UHS riprap for any abnormal ' degradation which might lead tu blockage of the ESW pump suction.
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h h 045 IneprAlole., (s a in d least HOT STANOBY tj i%in the ne d (a hours a,sh in COLD SH uT QoW M W s W I6 W kello w5"d 30h Vf5*
1 CALLAWAY - UNIT l 3/4 7-13 8704060530 870327 yDR ADOCK 05000483 PUR J
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