ML20113H639

Proposed TS LCO 4.5.G Re Min Core & Containment Cooling Sys Availability & SR 4.9.B.1 Re Startup of Auxiliary Transformer

ML20113H639
Person / Time
Site:	Hatch
Issue date:	07/30/1992
From:	GEORGIA POWER CO.
To:
Shared Package
ML20113H634	List: HL-2355, Application for Amend to License DPR-57,changing TS to Revise Allowable Outage Times for EDG 1B to 14 Days to Perform Work on DG & Revising DG Surveillance Requirements 4.9.B.1 & 4.9.B.2 to Correct Adminstrative Error ML20113H639
References
NUDOCS 9208050122
Download: ML20113H639 (5)

Text

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ENCLOSURE 3 i

PLANT HATCH - UNIT 1 NRC DOCKET 50-321 OPERATING LICENSE DPR-57 REQUEST TO REVISE TECHNICAL SPEClflCATIONS:  !

TEMPORARY EXTENSION OF DIESEL GENERATOR LC0 PAGE CHANGE INSTRUCTIONS

'The proposed change to the Plant Hatch Unit 1 Technical Specifications will be incorporated as follows:

Remove ELqa Insert Page 3.5-10 3.5-10 3.9-5 3.9-5 -

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..HL-2355 003813 E3-1 9208050122 920730 PDR ADOCK 05000321.

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,' LIMITI% CDwDIT10ws F0E Orf tA110w 50Rv[1LLANCE 6[00lttMEw15

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3.$.S. Minimus Core and Con,11jj;!g.n.i 4.$.G. Surveillance of Core and Cnntain-Cooline Systees Availati ntv sent Cooline 5vstees During any period when one of When it is determined that one the stan6by diesel generators of the standby diesel generators )

is inoperable is inoperable, all of the compo-

• operationis\imitedtolcontinued r! actor l nents in the RHR system LPCI days unless operability of the mode and containment cooling diesel generator is restored node connected to the operable within this period. During suth diesel generators shall be veri- d 7" days all of the conoonents f fied to be operable. *?

in the RHR system LPCI node "

and containment cooling mode h

, p 4 mode shall be operable. If this reduirement cannot be met, an crderly shutdown shall be initi- .

ated and the reactor shall be in the Cold shutdown Conditica within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. Specification 3.g. provides further guidance on )

electrical system availability.

Any combination of inoperable components in the tore and con-tainment tooling systems shall not defeat the capability of the remaining operable components to fulfill the core and contain-ment cooling functions.

When irradiated fuel is in the reactor vessel and the reactor is in the Cold Shutdevn Condi-tion, both C5 systems and the LPCI and containment cooling subsystems of the RHR system may be inoperable provided that g the shutdown cooling subsystem tf the 4tHR system is operable in accordance with Specification 3.5.8.1.b and that no work is being done which has the potential for draining the reactor vessel.

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HATCH - UNIT 1 3.5-10 Amenoment No. TI, f(7,110 Ocf cp -/.2

4 LIMITIhG CONDITIONS FOR OPERATION 5URVEILLANCE RE0VIREMENT5 3.9.8.1. One Startuo Avuiliary Transformer 4.9.8.1. pne Startuo Auriliary Transformer (IC or 10) Inoperable or Only One f1C or ID) Inoperable or Oniv One Of f site Power Source Available Qf f,Jit# Power Source Available (230 kV Transmission Line) f 230 kV transmission Line)

Reactor operation is permissible When it is established that one for seven days from the date that startup auxiliary transformer one startup auxiliary transformer (1C or 10) is inoperable or in-(1C or 10) is inoperable or in- coming power is available from

(. coming power is available from only one 230 kV offsite trans-only one 230 kV offsite trans- mission line, verify correct '

mission line provided the in- breaker alignments and indica-creased Surveillance Require- ted powe availability within ments as stated in Specification one hour and at least once per 4.9.8.1. are implemented. eight hours thereafter, and k perform Surveillance Require-

".;.i t.e within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

me n t/t. *t. A . 3. n . I

2. One DieLel_ genera tor (I A.18. 2. Qne Die'11 Generator (1 A.18.

or IC) : noperable or IC) Inoperable From and after the date that one When it is estab18thed that one of the diesel generators is made diesel generator () A,18, or IC) or found to be inoperable, continued is inoperable, verify correct reactor operation is permissible in breaker alignments and indicated accordance with Specification 3.5.G. power availability within one houri for a period not to exceed seven and at least once per eight hours j days *provided that two 230 kV off- thereaf ter, and perfom surveill i

• site transmission lines are avail- ante Requirement 4.0 ".0.e within 8 able, both remaining diesel gen- 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, and every 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> I erators and associated emergency thereafter.

buses are operable, and the in- M. '7. A . 7. 4 . l creased Surveillance Requirements '

as stated in Specification 4.9.B.2.

are implemented.

3. One 125/250 Volt DC Power System 3. One 125/250 Volt DC Power System (Plant Batterv 1 A or IB) Inoper- (Plant Battery 1A or 18) InoDer-ikli d.11 From and after the date that one When it is established that one of of the two 125/250 volt plant bat- the 125/250 volt DC power systems teries is made or found to be in- (plant t,.ttery 1 A or 18) is n.ade operable, continued reactor oper- or found to be inoperable, the ation is pemissible during the pilot cell voltage and specific succeeding seven (7) days within gravity and the overall battery

{ Slectrical safety considerations, voltage of the operable plant bat-provided repair work is initiated tery shall be; tested daily and de-immediately to return the failed termined to be sattsfactory.

component to an operable state, Specification 3.5.G. is satisfied.

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( HATCH - UNIT I 3.9-5 A,ncndment No.147

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, , .LIMlilN U OND1110NS FOR OPERATION $URVilltdL NfMENTS 3.6.G. Minimum Core and Containment 4.5.G. Surveillance of Core and Contain-Coolina Systems Availability ment Coolino Svittml ]

During any period when one of When it is detemined that one the standby diesel generators of the standby diesel generators  !

is inoperable, continued reactor is inonerable, all of the compo-  !

operation is limited to 7* l nents in the RHR system LPCI l days unless operability of the mode and containment cooling .

diesel generator is restored mode connected to the operable within this period. During such diesel generators shall be veri-7* days all of the components l fied to be operable. '

in the RHR system LPCI mode i.nd containment cooling mode W e shall be operable. If this strement cannot be met, an f>rly shutdown shall be initi-

.4ea and the reactor shall be in the Cold Shutdown Condition within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. Specification 3.9. provides further guidance on electrical system availability.

-Any combination of inoperable components in the core and con-tainment cooling systems shall not defeat the capability of the remaining operable components to fulfill the core and contain-ment cooling functions.

When irradiated fuel is in the reactor vessel and the reactor is in the Cold Shutdown Condi-tion, both C5 systems and the LPCI and containment cooling subsystems of the RHR system may be inoperable.provided that the shutdown cooling subsystem of the RHR system is operable in accordance with Specification 3.5.B.I.b and that no work is being done which has the potential for draining the reactor vessel.

o

• The IB diesel generator may be inoperable for up to 14 days during the Hatch Unit 2 tenth refueling

. outage to perform preventative maintenance and

' modification work.

HATCH - UNIT 1 3.5-10 techsp\h\92-12Bu1\l70 4

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[' LIM 111% COO 1110NS f 0R OPERA 110N $15MittMl P10J151MLNTS 3.9.B.1 One startuo Auxiliary Transforver 4.9.B.l. 00t_111riuo Auxiliary Tran1{pnet UCorID) InoDerable or Only One 11CorID) InoDCrable or Only One Qfft11e Power Sourte Available Offsite Power Sourte Available (230 by 1ransmission Line) (230 kV Transmission Line)

Reactor operation is permissible When it is established that or.e for seven days from the date that startup auxiliary transforrer one startup auxiliary transfomer (IC or 10) is inoperable or in-(10orID)isinoperableorin. cmirg pwer is available from coming power is available frun only one 230 kV offsite trans-only one 230 kV offsite trans- mission line, verify correct mission line provided the in- breaker aligments and indica-creased Surveillance Re<pire- tedpoweravailabilitywithin cents as stated in Specification one hour and at least once per 4.9.B.I. are i@lemented. eight hours thereafter, and perfom surveillance Require-cent 4.9 A.2.a.1 within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. l

2. Qnt,01111]_f>tattitor (IA. IB. 2. One Diesel Generator f1A. IB.

or IC) Inopgn klg or IC) InoggrAbig from and after the date that one When it is estabitsbed that one of the diesel generators is nude diesel generator (IA,18, or IC) or found to be ineperable, continued is inoperable, verify correct reactor operation is pemissible in breaker aligments and indicated accort:ance with Specification 3.5.G. pwer availability within one hour for a period not to exceed seven and at least once per eight hours days

• provided that two 230 kV off- l thereafter, and perfom Surve111-site transmission lines are avail- anceRequirtment4.9.A.2.a.1withinj able, both rtmaining diesel gen- 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, and every 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> erators and associated m ergency thereafter, buses are operable, and the in-creased Surveillance Requirments as stated in Specification 4.9.B.2.

are iglmented.

3. DDe 12W250 Volt DC Power System 3. Ont_121/21Q_yolt DC Power.,ints g ant Batterv 1A or IB) Inocer- (Plant B111ery LA or IB) Inoner-Abit Ahlt Frun and after the date that ont When it is established that one of of the two 125/250 volt plant bat- the125/250voltDCpowersystems teries is cade or found to be in- (plant battery 1A or IB) is made operable, continued reactor oper- or found to be inoperable, the atton is pemissible during the pilot cell voltage and specific succeedingseven(7)dayswithin gravity and the overall battery electrical safety considerations, voltage of the operable plant bat-provided repair work is initiated tery shall be tested daily and de-inrediately to rvtum the failed termined to be satisfactory, co m onent to an operable state, Specification 3.5.G. is satisfied,

• The IB diesel generator may be inoperable for up to 14 days during the Hatch Unit 2 tenth refueling outage to perfom preventative maintenance and nodification work.

HAICH - INil 1 3.9-5 techsp\h\92-12Vl\l47 I