ML20084V235

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Proposed Tech Specs 3.8.1.1, Electric Power Sys,Ac Sources, Operating, 3.8.1.2, Electrical Power Sys,Shutdown 3.8.2.2, Electrical Power Sys,Ac Distribution - Shutdown
ML20084V235
Person / Time
Site: Millstone Dominion icon.png
Issue date: 05/26/1995
From:
NORTHEAST NUCLEAR ENERGY CO.
To:
Shared Package
ML20084V228 List:
References
NUDOCS 9506130458
Download: ML20084V235 (9)
v • d • e


Text

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9 42 Docket No. 50-336 B15255 l i

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Attachment 1  :

j Millstone Nuclear Power Station, Unit No. 2 Proposed Revision to Technical Specifications  !

. Emergency Power System - Shutdown Marked-up Page i

May 1995 950613045B 950526 6 DR ADOCK 0500

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. 06/14/94

'. SURVEILLANCE REQUIREMENTS

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4.8.1.1Mwo physically independent circuits between the offsite I transmission network and the switchyard shall be deternined 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 correct breaker alignments and jndicated powe availability._

4.8,1.1.2 Each diesel generator shall be demonstrated OPERABLE:

a. At least once per 31 days on a STAGGERED TEST BASIS by:

, 1. Verifying the fuel level in the fuel oil supply tank,

2. Verifying the diesel starts from ambient condition and ,

accelerates to 190% of rated speed and to 197% of  !

i rated voltage in 515 seconds.

3. Verifying the generator is synchronized, loaded to 1 1300 kw in

$_ 60 seconds, and operates for 1 60 minutes. ._ ,

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Ogi{gh i hy -each evied om<* *J i f_egrf OMCe f6/ 8 '

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MIglSTONE-UNIT 2 3/4 8-2a Amendment No.1T

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August 1, 1975 k ELECTRICAL POWER SYSTEMS SNUTDOWN ,

LIMITING CONDITION FOR OPERATION

3. 8.1. 2 As a minimum, the following A.C. electrical power sources shall be OPERABLE:
a. Onecircuitbetweentheoffsitetransmissionnetworkandthe switchyard, and
b. One diesel generator with a fuel oil supply tank containing a minimum of 12,000 gallons of fuel.

APPLICABILITY: MODES 5 and 6.

ACTION:

With less than the above minimum required A.C. electrical power Jources OPERABLE, suspend all operations involving CORE ALTERATIONS or positive

/ reactivity changes until the minimum required A.C. electrical power

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sources are restored to OPERABLE status.

SURVEILLANCE REOUIREMENTS 4.8.1.2 The above required A.C. electrical power sources shall be n ate 0 % per Su p ance usqtiTFement W .l.1.3

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MILLSTONE - UNIT 2 3/4 8-5 6i'14 .

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August 1, 1975 o

t ELECTRICAL POWER SYSTEMS A.C. DISTRIBUTION - SHUTDOWN LIMITING CONDITION FOR OPERATION 3.8.2.2 s a minimum, 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:

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

ACTION:

'V G. m Q ith itss thr.h the above complement of A.C. busses OPERABLE and energized, j' 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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REPLftE utTH stJsCRT- b SURVEILLANCE REOUIREMENTS 4.8.2.2 The speified A.C. busses shall be deter 1nined OPEPABLE and energized from normal A.C. sources at least once per 7 days by verifying correct breaker alignSent and indicated power availability.

X MILLSTONE - UNIT 2 3/4 8-7 C t'7 L'

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INSERT A W ith less than the above complement of A.C. busses OPERABLE and energized, suspend all operations involving CORE ALTERATIONS or positive reactivity changes until the minimum required A.C. busses are restored to OPERABLE status.

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Docket No. 50-336 B15255 l h

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Attachment 2 Millstone Nuclear Power Station, Unit No. 2

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Proposed Revision to Technical Specifi, cations Emergency Power System - Stunt wp Retyped Page - '$f i

May 1995

SURVEILLANCE REQUIRENENTS 4.8.1.1.1 Verify correct breaker alignment and indicated power availability for each required offsite circuit at least once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

4.8.1.1.2 Each diesel generator shall be demonstrated OPERABLE:

a. At least once per 31 days on a STAGGERED TEST BASIS by:
1. Verifying the fuel level in the fuel oil supply tank,
2. Verifying the diesel starts from ambient condition and accelerates to 2 90% of rated speed and to 2 97% of rated voltage in s 15 seconds.
3. Verifying the generator is synchronized, loaded to 2 1300 kw in 1 60 seconds, and operates for 1 60 minutes.

NILLSTONE - UNIT 2 3/4 8-2a AmendmentNo.T//,

ELECTRICAL POWER SYSTENS SHUTDOWN LINITING CONDITION FOR OPERATION 3.8.1.2 As a minimum, the following A.C. electrical power sources shall be OPERABLE:

a. One circuit between the offsite transmission network and the switchyard, and
b. One diesel generator with a fuel oil supply tank containing a minimum of 12,000 gallons of fuel.

APPLICABILITY: MODES 5, and 6. l ACTION:

With less than the above minimum required A.C. electrical power sources OPERABLE, suspend all operations involving CORE ALTERATIONS or positive reactivity changes until the minimum required A.C. electrical power sources are restored to OPERABLE status.

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.

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

0194

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ELECTRICAL POWER SYSTEMS A.C. DISTRIBUTION - SHUTDOWN LIMITING COMITION FOR OPERATION

-3.8.2.2 As a minimum, 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:

1 - 4160 volt Emergency Bus l i

1 - 480 volt Emergency Load Center 2 - 120 volt A.C. Vital Busses APPLICABILITY: MODES 5 and 6. f i

ACTION:

With less than the above complement of A.C. busses OPERABLE and energized,  !

suspend all operations involving CORE ALTERATIONS or positive reactivity changes until the minimum required A.C. busses are restored to OPERABLE status. ,

SURVEILLANCE REQUIRENENTS  !

4.8.2.2 The specified A.C. busses shall be determined OPERABLE and l 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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l NILLSTONE - UNIT 2 3/48-7 Amendment No.

0195 L.

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