ML20095E176

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Amends 155 & 137 to Licenses NPF-4 & NPF-7,respectively, Revising TS Requirements Governing Operability of Emergency & Vital Busses of Ac Distribution
ML20095E176
Person / Time
Site: North Anna  Dominion icon.png
Issue date: 04/21/1992
From: Berkow H
Office of Nuclear Reactor Regulation
To:
Shared Package
ML20095E179 List:
References
NUDOCS 9204270326
Download: ML20095E176 (11)
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QGINTAELECTRICANDPOWERCOMPANY OLD 00 MIN 10N ELECTRIC COOPERATIVE DOCKET NO. 50-338 NORTH ANNA POWER STATION, UNIT NO. 1 AMENDMENT TO FACILITY OPERATING LICENSE Amendment No. 155 License No. NPf-4 1.

The Nuclear Regulatory Comission (the Comission) has found that:

A.

The application for amendment by Virginia Electric and Power Company et al., (the licensee) dated June 26, 1990, complies with the standards and requirements of the Atomic Energy Act of 1954, as amended (the Act), and the Comission's rules and regulations set forth in 10 CFR Chr.pter 1; B.

The facility will operate in conformity with the application, the provisions of the Act, and the rules and regulations of the Comission; C.

There is reasonable assurance (i) that the activities authorized by this amendment can be conducted without endangering the health and safety of the public, and (ii) that such activities will be conducted in compliance with the Comission's regulations; D.

The issuance of this amendment will not be inimical to the comon defense and security or to the health and safety of the public; and l

E.

The issuance of this amendment is in accordance with 10 CFR Part l

51 of tne Comission's regulations and all applicatie requirements I

have been satisfied.

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l 9204270326 920421 PDR ADOCK 05000338 P

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Accordingly, the license is amended by changes to the Technical Speci-fications as indicated in the attachment to this license amendment, and paragraph 2.0.(2) of facility Operating License No. NPf-4 is hereby amended to read as follows:

(2) Technical Specifications The Technical Specifications contained in Appendices A and B, as revised through /tendment Nc.155, are hereby incorperated in the license. The licensee shall operate the facility in accordance with the Technical Specifications.

3.

This license amendment is effective as of the date of issuance and shall be implemented within 30 days.

FOR THE NUCLEAR REGULATORY COMMISSION A

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H rbert N. Berkow, Director Project Directorate 11 2 Division of Reactor Projects - 1/11 Office of Nuclear Reactor Regulation

Attachment:

Changes to the Technical Specifications Date of issuance: April 21, 1992

ATTACHMENT TO LICENSE AMF40 MENT NO.155 TO FACILITY OPERATING LICENSE NO. NPF.4 DOCKET No. 50-338 fstations Replace the following pages of the Appendix "A" Technical Sptct The revised pages are icertified by with the enclosed pages as indicated.

amendment number and contain vertical lires indicating the area of change.

The corresponding overleaf pages are also provided to ar,aintain docurr.ent Cofr.pl e te r,9ss.

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ri scTRicAL POWEA SYSTEUR SHt/IDOWN anem m m m a 3.8.1.2 As a minimum, the fofhwing A.C. elecincal pcwor sources shall be CPERABLE:

a.

One circuit between the orfsate transrnssion network and the onsste Class 6e distnbuton system.

and b.

One diesel generator with:

1.

A day tank containing a trinimum vobme of 750 gafbns of fuel.

2.

A fuel storage system consisting of two underground storage tanks each conta2ning a minimum volume of 45.000 gallons of fuel (This is a shared system with Unit 2), and 3.

A fuel transfer system.

l APPUC A BfLITY:

MODES $ and 8.

ACT10N:

a.

With less than the above marrum required A C. electreal power sources CPERABLE. suspend all l.

operatons involving CORE ALTERAT4CNS or positive teactrvety changes until the mancnum required A C.

electreal power sources are restored to OPERABLE siatus.

h.

With one underground fuel oli storage tank of 3.8.1.2.b.2 Inoperable for the performance of Survalliance Requirement 4.8.1.1.4 or for tank repalts:

1.

Verify 45.000 gallons of fuel is available in the operable underground fuel oil storage tank at least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />, 2.

Verify a mlnlmum of 100,000 Callone of fuel oil is maintained in the above ground main fuel oil storage tank at least once per 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />, 3.

Verify an avall6ble source of fuel oil and transportation to supply 50.000 gallons of fuel in less than a at hour period, and 4.

Restore the niorage tank to OPERABLE status within 7 days or place both Units in at least HOT STAND 8Y 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 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 perform ACTION a, above.

99.0 AGWn EEORS 4 8.1.2 The above required A.C. electncal power sources shas be demonstrated OPERABLE by the perfo:mance of each of the Survestance Requirements of 4.8.1.1.1, 4.8.1.1.2, 4.6.1.1.3 and 4.8.1.1.4.

Amendment No. 17 $3, I28e NORTH ANNA, UNIT 1 3/4 8 5 m.

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4 ELECTRIC AL POWER SYSTEMS 14 8 2 ONSITE POWER DISTR!BUTION SYSTEV.S A C DISTRIBUTION OPERATING UMITING CC#JDmCN FOR OPERATION __

3 8 21 The totbwing A C electncal busses shall be OPERABLE and energized w.th tie breakers open between reduno&nt busses j

i a

H A C. En.ergency Busses consisting of.

1. 4160 von Gnvrgency Bus # 1H 2,480 von Emergency Busses # 1H,1H1 b.

J A C. Emergency Busses consisting of.

1. 4160 von Emergency Bus a iJ
2. 480 volt Emergency Bust.es # 1J.1J1 c.

120 veh A C Vital Bus # i 1 energized from its associated inverter connected to D C. Bus # 1#

d.

120 volt A C Vital Bus # 111 energzed from its assocated invener connected to D C Bus # 11l*

e.

120 volt A C. Vital Bus # 1 til energized from its associated invener connected to D C Bus # 1.Ill' f,

120 voit A C Vital Bus # 1 IV energized from its associated inverter connected to D C Bus # 1 IV' APPUC A9 TUN MODES 1,2,3, and 4 ACTION a

With one of the reovired A C Emergency busses not fully energized re enijze 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 mthin 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 C Vital Bus not energized, re energi2e 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 /> er be in at least HOT STANDBY within the nex16 hours 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 /> c.

With one A.C. Vital Bus either not energ ted trom its asscoated inverter, or with the inverter not connected to its associated D C. Bus, re energize the A C. Vital Bus from its associated invener connected to its assooated D C Bus within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> of be in at least HOT ST ANDBY wthin the ner16 hours and in COLD SHUTDOWN wthin the fotbeng 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

  • Two inverters may be disconnected from their D C Busses for up to 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> as necessary, for the purpose of performing an equalizing charge on their assocated battery t,anks provided (1) their vital bustes are energized, and (2) the remaining vital busses are energized from their associated inver1ers and connected to their associated D.C. Busses.

NORTH ANNA UNIT 1 3'486 Amendrnent No. 755. 155 r

ELECTRIC AL POWER SYSTEMS A C. L!ST 9'BUT!CN. OPER AT ING 9PS1! 4mrCOJUMlT 4821 The $DeDfied A C busse $ Shall be ceterrnned OPERABLE mth t:e breakers coen between recundant busses at least once per 7 days by ventymg correct brea6 :' al gnment ard indicated power a vMa>lt1i NORTH ANNA UNIT 1 3'4 8 6a Amendment No, 155

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VIRGIN 1A ELECTRIC AND POWER COMPANY OLD DOMINION ELECTRIC COOPERATIVE DOCKET NO. 50-339 NORTH ANNA POWER STATION. UNIT NO. ?

AMENDMENT TO FACILITY OPERATING LICENSE Amendment No.137 License No. NPF-7 1.

The Nuclear Regulatory Comission (the Comission) has found that:

A.

The application for amendrent by Virginia Electric and Power Company, et al., (the licensee) dated June 26, 1990, complies with the standards and requirements of the Atomic Energy Act of 1954, as amended (the Act), and the Comission's rules and regulations set forth in 10 CFR Chapter 1; B.

The facility wi'i operate in conformity with the application, the provisions of the Act, and the rules and regulations of the Comission; C.

There it, reasonable assurance (1) that the activities authorized by this amendment can be ennducted without endangering the health and safety of the public, and (ii) that sucn activities will be cr njucted ', compliance with the Comission's regulations; D.

The issuance of this amendment will not be inimical to the comon defense and security or to the health and safety of the publict and E.

The issuance of this amendment is in accordance with 10 CFR Part 51 of the Comission's regulations and all applicable requirements have been satisfied.

I 1

2 2.

Accordingly, the license is amended by changes to the Technical $peci.

fications as indicated in the attachment to ttis license arnendment, and paragraph 2.C.(2) of facility Operating License No. Npf.7 is tereby anended to read as follows:

(2) Technical Specifications The Technical Specifications contained in Appendices A and B, as revised through Amendment No.137

, are hereby incorporated in the license. The licensee shall operate the f acility in accordance with the Technical Specifications.

3.

This license amendment is effcctive as of the date of issuance and shall be implemented within 30 days.

FOR THE NUCLEAR REGULATORY COMil5510N b

Herbert N. Berkow, Director project Directorate 11+2 Division of Reactor projects - 1/11 Office of Nuclear Reactor Regulation Attachrent:

Changes to the Technical Specifications Date of 1ssuance: April 21, 1992 l

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ATf AC)D4ENT TO llCENSE kJ4ENDMf NT NO.137_,

TO FAtlllTY OPERAllNG, LICENSE NO. hpf-7 IMrET NO. 60-33 Replace the following pages of the Apperdix "A* Technical Specifications with the enclosed pages as indicated. The revised pages are identified by amendrent nutter and contain vertical line, indicating the area of change, pace F 8-11 3/4 B-11a (new) 3/4 B-12*

  • There are no changes to this page, it is included to maintain document completeness.

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ELECTRICAL POWER SYS TEMS 14 2 2 ONSITE POWER DISTRIBUTION SYSTEMS

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i A C DISTRIBUTION. OPERATING

@M$3DiT10N FOR OPERATION,__

3 8 2.1 %e toneeng A C. electncal busses shall be OPERABLE and energized with tie breakers open between redundant busses:

a.

H A C Emergency Busses censisting of;

1. 4160 von Ernergency Bus # 2H
2. 480 vort Emergency Busses # 2H,2H1 b.

J A.C Emergency Busses consisting of.

1. 4160 von 8Pnergency Bus # 2J
2. 480 vott Emergency Busses # 2J. 2J1 c.

120 volt A C. Vital Bus # 21 energized from its associated inverter connected to D C. Bus # 2 l' d-120 voit A C Vital Bus # 2 l! energ'nd from its assodated inverter connected to D C. Bus # 2 II' e.

120 von A C. Vital Bus # 2111 energ' red from its associated inverter connected to D C Bus # 2111' f.

120 volt A C. Vital Bus # 2 IV energ.20d from its associated inverter connected to D C Bus # 2 IV' APPLIC ABILITY, MODES 1,2. 3. and 4.

ACTION-a.

With one of the required A C Emergency busses not fulty energized, re enerpre wrtnin 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> or be an at !(ast HOT ST ANDBY 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 fotbwing 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

b.

With one A C Vital Bus net energ' red re energize the A C. Vilai Bus wiihin 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> of be in at least HOT STANDBY within the nert 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 fonceng 30 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />.

c.

With one A.C. Vital Bus either not energized from its asmated inverter, or with the inverter not connected to its associated D.C. Bus, re energize the A C. Vital But from its associated inverter connected to its associated D C. Bus with:n 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 wiC.in 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 />.

'Two inverters may be disconnected from their D C. Busses for up to 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> as necessary, for the purpose of pertoming an equalizing charge on their associated battery banks provided (1) their vital busses are energized, and (2) the remaining vitEl busses are energized from their associated laverters and j

connected to their associated D.C. Busses.

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ELECTRIC AL POWER SYSTE!dS A C DISTA'90 TION _ OPERATING 93TJ1!#CErlD_filttM 4 8 2.1 The Specified A C, busses shall be deterrnned OPERABLE mth lie breakers Open between redundant busses at least once per 7 days by sentpng correct breaker abgnment and irocated (cwer avaitadhty.

I NORTH ANNA UNIT 2 3/4 611a Amendment No, 137

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i ELECTRICAL POWER SYSTEMS A.C. DISTRIBUTION SHUTDOWN LIMITING CONDITION FOR OPERATION 3.8.2.2 As a minimum, the following A.C. electrical busses shall be OPERABLE.

1 - 4160 volt Energency Bus, (2H or 2J) 1 - 480 volt Emergency Bus, (2H, 2H1) or (2J 2J1) 2 - 120 volt A.C. Vital Busses, (2-1, 2-11) or (2-!!I, 2-IV)

APPL lCABILITY:

MODES 5 and 6.

ACTION:

With less than the above complement of A.C. busses OPERABLE and energized, establish CONTAIHMENT INTEGRITY within 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br />.

'URVEILLANCE REQUIREMENTS i

4.8.2.2 The specified A.C. busses shall be determined OPERABLE at least once per 7 days by verifying correct breaker alignment and indicated power availability.

I NORTH ANNA - UNIT 2 3/4 8-12

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