ML20093L791

Proposed Tech Specs 3.8.1.2, Electrical Power Sys, Shutdown, 3.8.2.2, Electrical Power Sys,Ac Distribution - Shutdown & 3.8.2.4, Electrical Power Sys,Dc Distribution - Shutdown

ML20093L791
Person / Time
Site:	Millstone
Issue date:	10/20/1995
From:	NORTHEAST NUCLEAR ENERGY CO.
To:
Shared Package
ML20093L773	List: B15338, Withdraws Need for Exigent Handling of 950526 Amend Request, Modifying TS Re Electrical Power Sys,Shutdown & Provides Revised TS Pages Which Address NRC Comments Re TS 3.8.11.2 & TS 3.8.2.2,including Proposed Change to TS 3.8.2.4 ML20093L791
References
NUDOCS 9510260073
Download: ML20093L791 (10)

Text

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4 Docket No. 50-336 B15338 i

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Millstone Nuclear Power Station, Unit No. 2 Proposed Revision to Technical Specifications Electrical Power Systems - ShutdoWh Marked-up Pages l

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October 1995 t

9510260073 951020 PDR ADOCK 05000336 p

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August 1, 1975 J

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ELECTRICAL POWER SYSTEMS 5NL/TDOWN

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LIMITING CONDITION FOR OPERATION i

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3.8.1.2 As a minimum, the following A.C. electrical power sources shall j

be OPERABLE:

a.-

One circuit between the offsite transmission network and the switchyard, and j

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b.

One diesel generator with a fuel oil supply tank containing a i-minimum of 12.000 gallons of fuel.

4 APPLICABILITY: MODES 5 and 6.

ACTION:

I With less than the above minimum required A.C. electrical power sources t

OPERABLE, suspend all operations involving-CORE ALTERATIONS or positive reactivity changes c ^'....._.....

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SURVE!LLANCE REQUIREMENTS 1

l 4.8.1.2 The above required A.C. electrical oower sources shall be 0% per 5.rparice a W,enents' f.l.1.'

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tvec.a.sc 9mA WTsac fess # m Sousw wss.

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MILLSTONE - UNIT 2.

3/4 8-5

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August 1,Ig75 ELECTRICAL POWER SYSTEMS A.C. DISTRIBUTION - $ NUT 00WN LIMITING CONDIT10N FOR OPERATION 3.8.2.2 ds a mi.nimum, the following A.C. electrical busses shall be OPERABLE and energized from sources of power other than a diesel generator but aligned to an OPERABLE diesel generator:

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1 - 4160 volt Emergency Bus 1 - 480 volt Emergency Load Center i

2 - 120 volt A.C. Vital Busses APPLICA!!LITY: MODES 5 and 6.

t ACTION:

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ith1ssthantheabovecomplementofA.C.bussesOPERABLEandenergized,)'

establish CONTAINMENT INTEGRITY within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />.

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$URVEILLANCE REQUIREMENTS 4.8.2.2 The speified A.C. busses shall be determined OPERABLE and energized from normal A.C. sources at least once per 7 days by verifying correct breaker alignment and indicated power availability.

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MILLSTONE - UNIT 2 3/4 8-7 9..

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INSERT A 1

With less than the obove complement of A.C. busses OPERABLE ond i

energized, suspend all operations involving CORE ALTERAT!ONS or positive reoctivity changes or movement of irrodloted fuel ossemblies.

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/14/9 ELECTRICAL POWER SYSTEMS n.c. erstarmurrow - sannow LIMITINE COW ITION FOR OPERATION 3.8.2.4 As a minimum, the following D.C. electrical equipment and bus

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shall be energized and OPERABLE:

1-125-volt D.C. bus, and i.

I-125-volt battery bank and at least 400 ampere charging capacity l

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supplying the above D.C. bus.

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. APPLICABILITY:- MODES 5 and 6.

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ACTION-W cr l

With less than the above complement of D.C. equipment and bus OPERABLE, t-establish CONTAINMENT INTEGRITY within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />.

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i SURVEILLANCE REQUIREMENTS i

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4.8.2.4.1 The above required 125-volt D.C. bus shall be detemined OPERABLE and energized at least once per 7 days by verifying correct breaker alignment and indicated power availability.

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4.8.2.4.2 The above required 125-volt battery bank and charger shall

.be demonstrated OPERABLE per Surveillance Requirement 4.8.2.3.2.

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i R1LL370HE - INIIT 2 3/4 8-10 AmendmentNo.((

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INSERT B With less than the obove complement of D.C. electrical equipment and bus energized and OPERABLE, suspend all operations involving CORE ALTERATIONS or positive reactivity changes or movement of Irrodloted fuel assemblies.

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Docket No. 50-336 B15338 Millstone Nuclear Power Station, Unit No. 2 Proposed Revision to Technical Specifications Electrical Power Systems - Shutdown Retyped Pages October 1995

f ELECTRICAL POWER SYSTENS

$NuTo0WN LIMITING CONDITION FOR OPERATION 3.8.1.2 As a minimum, the following A.C. electrical power sources shall 1:

be OPERA 8LE:

a.

One circuit between the offsite transmission network and the switchyard,-and 1

b.

One diesel generator with a fuel oil supply tank containing a minimum of 12,000 gallons of fuel.

I APPLICABILITY: MODES 5 and 6.

4 ACTION:

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With less than the above minimum required A.C. electrical power sources OPERA 8LE, suspend all operations involving CORE ALTERATIONS or positive reactivity changes or movement of irradiated fuel assemblies.

l SURVEILLANCE REQUIRENENTS 4.8.1.2.

The above required A.C. electrical power sources shall be demonstrated OPERABLE per Surveillance Requirements 4.8.1.1.1 and 4.8.1.1.2, except for testing pursuant to Surveillance Requirements 4.8.1.1.2.a.3, 4.8.1.1.2.c.2, 4.8.1.1.2.c.5, and 4.8.1.1.2.c.8.

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NILLSTONE - UNIT 2 3/4 8-5 Amendment No.

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ELECTRICAL POWER SYSTEMS A.C.51STRIBUTION--SMTDOW

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q LIMITING COMITION FOR OPERATION 3.8.2.2 As a minimum, the following A.C. electrical busses shall be OPERA 8LE and energized from sources of power other.than a diesel generator but aligned to an OPERABLE diesel generator:

1 1 - 4160 volt Emergency Bus 1 - 480 volt Emergency Load Center 2 --120 volt A.C. Vital Busses APPLICABILITY: NODES 5 and 6.

ACTION:

With less than the above complement of A.C. busses OPERABLE and energized, suspend all= operations involving CORE ALTERATIONS or positive reactivity changes or movement of irradiated fuel assemblies.

$URVEILLANCE REQUIREMENTS 4.8.2.2 The specified A.C. busses shall be determined OPERABLE and-energized from normal A.C. sources at least once per 7 days by verifying

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correct breaker alignment and indicated power availability.

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NILLSTONE - WIT 2-3/48-7 Amendment No.

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[LECTRICALPOWERSYSTEMS D.C. DISTRIBUTION - SHUTD0WN

. LIMITING COM ITION FOR OPERATION 3.8.2.4 As a minimum, the following D.C. electrical equipment and' bus shall be energized and OPERABLE:

1.-

125-volt D.C. bus, and 1-125-volt battery bank and at least 400 ampere charging capacity supplying the above D.C.' bus.

APPLICABILITY: MODES 5 and 6.

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With less than the above complement of D.C. electrical equipment and bus energized and OPERABLE, suspend all operations involving CORE ALTERATIONS or positive reactivity changes or movement of irradiated fuel assemblies.

SURVEILLANCE REQUIREMENTS 4.8.2.4.1 The above required 125-volt D.C. bus shall be determined OPERABLE and energized at least once per 7 days by verifying correct breaker alignment and indicated power availability.

4.8.2.4.2 The above required 125-volt battery bank and charger shall be demonstrated OPERABLE per Surveillance Requirement 4.8.2.3.2.

gLSTONE-UNIT 2 3/4 8-10 Amendment No. Jpp, 4

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