ML20134A981
| ML20134A981 | |
| Person / Time | |
|---|---|
| Site: | Waterford  |
| Issue date: | 01/27/1997 |
| From: | ENTERGY OPERATIONS, INC. |
| To: | |
| Shared Package | |
| ML20134A972 | List: |
| References | |
| NUDOCS 9701290207 | |
| Download: ML20134A981 (2) | |
Text
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1 W3F1-97-0015 ATTACHMENT A 9701290207 970127 PDR ADOCK 05000382 P
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PLANT SYSTEMS d
i 3/4.7.4 ULTIMATE HEAT SINK
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LIMITING CONDITION FOR OPERATION i
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i 3.7.4 Two independent trains of ultimate heat sink (UHS) cooling towers shall be OPERABLE with each train consisting of a dry coohng tower (DCT) and a wet mechanical draft cooling tower (WCT) and its associated basin with:
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a.
A minimum water level in each wet tower basin of 97% (-9.86 ft MSL) j b.
An average basin water temperature of less than or equal to 953FF.
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Fans as required by Table 3.7-3.
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APPLICABILITY: MODES 1, 2, 3, and 4.
- .j ACTION:
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With lone UHS train inoperable wet mechanicat4 raft <,0c!!ng tcwcr inoperable due4e
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. !cw water !eveLand/or4ugtwaverage water-temperature-restore the inocerable train to -
2 the wc! mechanica! dra't coc!!ng tower 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 l
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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l b.
With both UHS trains wet mechanica! dra't coc!!ng tcwcre inoperable due te !cw water i
leuc! and/or4 ugh-average water temperature, restore at least one UHS train -wet mechanica! dram cooling-tower-to OPERABLE status within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> and rettere both
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"!ct mechanica! dra't cookng tc=cre te OPERABLE state: w!!hin 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> of !rit:2!
!ccc, otherwise_at 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 COLD i
SHUTDOWN within the following 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.
c.
With the number of OPERABLE fans !e:S thamequired by Tab!e 3.7 3 ca-one OCT^^!CT train, restere4he number of OPEPABLE-fans to ">!!hin the requ!remente of Tab!e 3.7-3within 72 hour8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br />s-(except at spec! Sed in Action e.), or b^ in HOT ST.^NOBY within the next& hour and in COLO SHUTDOWN within-the4olicwing 30 hour3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />s-d.
W44-the number of4PERABLE fan !ect than required 4>y-Tat!e 3 3 en both DCT^^!CT traine, restore the rmmber of OPERAOLE fane te w!!h!n the requirements of j
Tab!e 3.7 3 for 1 OCT^^!CT train within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> and-ccmp!y "Ath ACT!ON c. (exapt-as spec!f:ed !^ ^.CT!ON e.), or be in HOT STANDBY within the next S hour- -d ia m' n SHUTDOWN within the fc!!cw!ng 30-hous
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WATERFORD - UNIT 3 3/4 7-12 AME44DME44T-NO-9%