ML20134B980

Proposed Tech Specs Re Inverter/Battery Charger Mod

ML20134B980
Person / Time
Site:	Comanche Peak
Issue date:	09/19/1996
From:	TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:
Shared Package
ML20134B979	List: ML20134B980 TXX-9646, Provides Response to RAI & Editorial Correction for License Amend Request 96-005 Re Inverter/Battery Charger Mod
References
NUDOCS 9609240206
Download: ML20134B980 (2)

Text

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l l-1 ATTACHMENT TO TXX 96469 AFFECTED TECHNICAL SPECIFICATION PAGE (NUREG 1468)

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9609240206 960919 '7 PDR ADOCK 05000445 7,

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ONSITE POWER DISTRIBUTION LIMITING ColeITION FOR OPERATION (Continued)

APPLICABILITY: MODES 1, 2, 3, and 4.

ACTION:

With one of the required trains of A.C. emergency busses not fully a.

energized, reenergize the trains 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 STAN08Y 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 />.

b.

With one A.Cuinstrument bus or two A.C. instrument busses (consisting '

L4A of one'.WeJTrotection channel and one Wital bus of the same J

u train) deenergized, reenergize the A.C. instrument bus (se' 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 STAN08Y 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 />.

Withone_AC._instrumentbusortwoA.C.ingumentbusses(consisting'l4&

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of one@ing with the associated inverter (sf"not connected with the "protecticn channel and one... J"Gital bus of the same train) operat O.C. source (s), or operating with the' inverter (s) not supplying the A.C. instrument bus (but with the instrument bus energized from its associated bypass distribution source energize the A.C. instrument bus (ses) from its associated inverte nected to its associated 0.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 STA28Y 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 one D.C. bus not energized from its associated station battery,'

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reenergize the D.C. bus from its associated station battery 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 H0T STA E8Y 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 />.

SURVEILLANCE REQUIREMENTS 4.8.3.1 The specified busses shall be determined energized in the required manner at least once per 7 days by verifying correct breaker alignment and indicated voltage on the busses.

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COMANCHE PEAK - UNITS 1 AND 2 3/4 8-16

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