ML20045A496
| ML20045A496 | |
| Person / Time | |
|---|---|
| Site: | Wolf Creek  |
| Issue date: | 06/01/1993 |
| From: | WOLF CREEK NUCLEAR OPERATING CORP. |
| To: | |
| Shared Package | |
| ML20045A492 | List: |
| References | |
| NUDOCS 9306100389 | |
| Download: ML20045A496 (3) | |
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Attachment IV to NA 93-0032 Page 1 of 3 I
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Attachment IV Proposed Technical Specification Changes t
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J 9306100389 930603 DR ADOCK 05000482 PDR 1j
Attachment IV to NA 93-0032
,Page 2 of 3
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ELECTRICAL POWER SYSTEMS 3/4.8.3 ONSITE POWER DISTRIBUTION OPERATING LIMITING CONDITION FOR OPERATION 3.8.3.1 The following electrical busses shall be energized in the specified manner with tie breckers open between redundant busses within the unit:
a.
Division #1 A.C. Emergency Busses consisting of:
1) 4160-Volt Emergency Bus #NB01, and 2)
.480.Vn.lt EmeraencL Russes #N 1, NG03 and h c
m w-% emim nc.y w o
,ec,se b.
Mt31 Urn r h.t,,. tmergericy Busses consisting of:
1) 4160-Volt Emergency Bus #NB02, and
_480-ValLEmergency._%get_MG
, NG04 andkCOCD Ru 71 Qq : <eo vm _s.namaane
- na ss, c.
126 VoTFr.C. Vital Bus 7/NN01 energized f rom its associated inverter connected to D.C. Bus #NK01, d.
120-Volt A.C. Vital Bus #NN02 energized from its associated inverter connected to D.C. Bus #NK02, e.
120-Volt A.C. Vital Bus #NNO3 energized from its associated inverter connected to D.C. Bus #NK03, f.
120-Volt A.C. Vital Bus #NN04 energized from its associated inverter connected to D.C. Bus #NK04, g.
125-Volt D.C. Bus #NK01 energized from Battery #NK11 and Charger #NK21, h.
125-Volt D.C. Bus #NK02 energized from Battery #NK12 and Charger #NK22, i.
125-Volt D.C. Bus #NK03 energized from Battery #NK13 and Charger #NK23, and j.
125-Volt D.C. Bus #NK04 energized from Battery #NK14 and Charger #NK24.
APPLICABILITY:
MODES 1, 2, 3,'and 4.
ACTION-
- -=
1
^=
Wsts:TA a.
W4 h-ene-of-the-requi4'ed-div4+ ions of A.C.
emergency busses not i
f ul ly energized, reenergite-the-division-witMn-8-houes-oe-be b at-Feast ll0T STANDBY-within-the-next C hours 6ad in COLD SMUTCOWN.6 Miin-1 the felicm ng-30-hou m
_M b.
With one A.C. vital bus either not energizea from its associated inverter, or with the inverter not connected to its associated D.C.
bus:
(1) reenergize the A.C. vital bus within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> or 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 />, and (2) reenergize the A.C. Vital bus from its associated inverter connected to its associated D.C.
bus within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> or 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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WOLF CREEK - UNIT 1 3/4 8-13
n At t'a chmen t IV to NA 93-0032 Page 3 of 3 Insert A
- a. With one of the required divisions of A.
C.
emergency busses not fully energized due to an item 1) or 2)~ bus, reenergize the division within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> or 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 />. With one of the required divisions of A.
C.
emergency busses not fully energized due to the item 3) bus only, reenergize the division 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 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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