ML20070U810

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Proposed Tech Spec Table 3.3-2 Re ESFAS Instrumentation
ML20070U810
Person / Time
Site: Comanche Peak Luminant icon.png
Issue date: 04/02/1991
From:
TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:
Shared Package
ML20070U805 List:
References
NUDOCS 9104100018
Download: ML20070U810 (7)
v • d • e


Text

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2 Attachment 2 to TXX 91083 Pcge 8 of 8

?

INSTRUCTIONS FOR INC.QRPORATION

REMOVE INSERT 4 page 3/4 3 3/4 3 20 page 3/4 3 19 3/4 3 20 4

page 3/4 3 23 3/4 3 24 page 3/4 3 23 3/4 3 23e i 3/4 3-23b- 3/4 3 24 i

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1 9104100018 910402 PDR ADOCK 05000443 a: . . _ _ . _.._ -..

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. a --4 m 39 o 55 mz-c c, t 1 Altii 1. 3-2 (Cont inucil) '

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I NGillll Hill %All lY 'll AlllRi s ACillAll0N NY',IIM IN5IRi!MI NI AIION  :

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MINIMilM 7i so - i M 10IAl NO. CilANNII5

$$ IIINCl10NAl IINII Of CilANN11$ 10 IHIP CilANNI I 5 APPI ICAllt [ o"'!

OPI RAlli f M0lli 5 ACi10N 5!

$ /. Automatic' Initiation of ICCS 25 Switchover to Containment  ;

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Sump (Continued)- . i

b. RWSI level--low-Low 4 2  !

i 3 1, 2. 3, 4 26 '!

Coincident With:-Safety See I1em 1. .above.Ior al1 Saiety Injection.initiatini;.ionttions Injection  !

ath! requirements. t

8. loss of' Power (6.9 kV & 480 V I Sa f eguards'. Sy: tem .Untiervo 1: age) ~

t

a. 6.5 kV Preferred OfIsite 2/leus 2/ bus 1/lius I I I,2.3.4 1 1 7, 24 :

-Source thulervoitage

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b. 6.9 kV' Alternate'.0ffsile. L2/ bus 2/leus' 1/ bus, Source Undervoltage I, 7, 3. 4 21a> A !
c. 6.9 kV Bus Usulervoltage 2/ bus 2/ bus 1/ bus
1. 2. 3. 4 233,'A51

' d. 6.9 kV- Degravled Voltage' 7/ bus- J'/ bus

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1/lius 1. 7. 3. 4  ? Ic 2Mt j i

e. 480 V Degraded Voltage 2/ bus 2/ bus 1/ bus.

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'51 m

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n U i NGIN_I I R_.111 SA_I I_ I Y_ .l 1 A IIIR_I 5 AC f_ilA_i 10_ N_ __SY_ Sil M _INSIRilMi Ni_A_l IO_N.

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,'% .IOfAl NO. CilANNI * % EllANNI i 5 APPIICAllii g l' fIINCI10NAL llNII Of filANNI I *, IO IRIt- UI'l RAlli i MODI S ACIION .$

<- 6 Aux iliary l eedwater (Continued) -

h 2) Start turliine- 74/stm. gen. 7/stm. gen. 3/stm. qs n. I , 2, l 1/ ,

.~ Driven : Ptmip in any in eath -

2 operatinig uparating sim. gen. sIm. gen.

c. Safety injection ' See item 1. alove f or all Saf ety inject ion init iat enq sinict ions an.I Start Motor-Driven Pimps requirements.
d. loss-of-Of(site Power 'l/ train 1/ train 1/ train I , 2, 3 16 w Start Motor-Driven '

};,. Pumps and,lurtiine '

w Driven Pump <

h e. Irip of All Main 7/AfW pump 2/AlW piimp 1/AlW pomp 1, 2 A 7h feedwater. Pumps Start Motor-Driven Pamps

1. Automatic Initiation of ECCS.

Switchover'to Containment-Sump a.- . Automatic Actuat. ion 2 1 2 '1, 2.'3. 4 12 Logic and Actaiation Relays-e S

- ' - - ' 'a - - * ' ' ' '

"1' '- ' '-- '"-""'*'"'-'-'*-'--'----"--'--9""-"-*-"'--*-"8

_._..__.__--"~i.<-- " - ' .-

' ATTACHMENT 3 0F TXX-91083 l

.PAGE 3'0F 6 i MBLE'3.3-2 (Cont bueo) j  !

, ACTION STATEMENTS (Continueol-  ;

ACTION 17 - Wiih the numoer of OPERABLE' channels one less-than tne Total Number of Channels, STARTUP ano/or:POWERLOPERATION may oroceed previoeo che fol. lowing conditions are satisfieo:

t

. a. Fhe inoperaole enannel is placed in the tripped concition within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />, and

b. The Minimum-Channels OPERABLE recuirement is. met; newever,-

one additional channel may be bypassed-for up to 4 hour4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />s-for surveillance testing of other channels per Soecifica-tion 4.3.2.1.

ACTION 18 - With less than the Minimum Number of Channels OPERABLE, within l' hour determine'by ooservation of the associated permissive annunciator winoow(s)_that the interlock is in its required

~

state for the existing plant. condition, or_ apply Specification:

3.0.3.

ACTION 19 - With tne ' number of OPERABLE channels one 'less than tne Minimum-Channels OPERABLE requirement,-~be in at least HOT STAN0BY.within-12 hours and in at least HOT SHUTDOWN.within the following-6 hours; however,-one channel may be bypassed for up to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> for surveillance testing per Specification 4.3-2.:1 provided the-other enannel is OPERABLE.

ACTION 20 - With the numoer of OPERABLE channels o n less than the Total Number of Channels, restore ?the -inopert:le: channel to- OPERABLE stat: s witnin'48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> or be in at least HOT STANDBY within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> and in at'least HOT SHUTDOWN witnin th.e following- '

'6 heurs, ACTION 21 - Witn tne numoer of 0PERABLE channels one less.than the' Total-l Numoer of Channels, restore the inoperaole channel to 0PERABLE i

i status witnin 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br /> orLdeclare the associated valve inoper-

,'- aole and take the ACTION requiced by Specification 3.7.1.5.

ACTION 22 - With'the number of 0PERABLE channels oneLiess than the Minimum Channels:0PERABLE requirement, be in at least-HOT STANDBY-within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />;' however,:ene channel may be : bypassed for up to-2 hours-for surveillance testing per- Specification 4.3.2.1 pro.vided the >

- ~ __other channel _is-OPERABLE.

N -.

ACTION 23 - With tne number'of OPERABLE channels one less-than the Total Num:er f Channels, STARTUP and/or-POWER OPERATION-may proceed

. provided-the:following conditions-are satisfied:

1

a. -The~ inoperable channel-is placed.in the' tripped condition

-aithin 6 nours, and .

b. The Minimum Channels OPERABLE re utrement-is met.

COMANCHE PEAK - UNIT 1 3/4 3-23

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ATTACHMENT 3 0F TXX-91083

  • PAGE 4 0F 6

, 1 ACTION 23 - a. With the number of OPERABLE channels one less than the Total Number of Channels, operation l may proceed provided the inoperable channel is I placed in the tripped condition within 6 l hours, and the Minimum Channels OPERABLE i requirement is met,

b. With the number of OPERABLE channels less than I the Minimum Channels OPERABLE requirement, declare Preferred Offsite Power inoperable, take the Action required by Specification 3.8.1.1, and open the Preferred Offsite Power Breaker within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />,
c. With the number of OPERABLE channels less than the Minimum Channels OPERABLE reqirement, declare Alternate Offsite Power inoperable, take the Action required by Specification 3.8.1.1, and open the Alternate Offsite Power Breaker within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />,
d. With the number of OPERABLE Channels less than the minimum Channels OPERABLE requirement.

-declare the aporopriate Train A.C. Emergency Buses inoperable- and take the Action required by Specification 3.8.3.1 for the buses not '

_ . . - .m-- fully energizad. .

e. With the number of OPERABLE Channels less than the minimum Channels OPERACLE requirement, declare both Offsite Power Sources -inoperable, take the Action required by Specification 3.8.1.1, and open both offsite power breakers to the affected bus within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.

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'ATTCilMENT30FTXX-91083 '

PAGE.5 0F 6 l

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ATTACHMENT 3 0F TXX-91083 PAGE 6 0F 6 '

.;gL; 3 3,7 g;gnt4nu,g) .

ACTION STATEMENTS (Continuea)

ACTION 24 witn the number of OPERABLE channels one less than tre Minimum Channels ODERABLE recuirement, restore the inoperacle enannel to OPERABLE status within AB hours or initiate anc maintain eDeration of the Control Room Emergency Recirculation System.

ACTICN 25 *ith tne numeer of OPERABLE channels on one or more trains less than tre Minimum Channels OPERABLE recuirement, ceclare tne diesel generator (s) associated with the af fectec train (s) inocereole anc apply the appropriate ACTION for 5pecification 3*

3. B .1.1.

ACTION 26 - With the number of OPERABLE channels-one less than the Total Numoer oi' Channels, STARTUP and/or POWER OPERATION may proceed provicec the following conditions are satisfied;

a. The inoperable channel is placed in a tripped condition within 6 nours, and b,

The Min' mum Channels OPERABLE requirement is met; nowever, one accitional cnannel may be bypassed for up to 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> for surveillance testing of other enannels per Speci fi cation 4. 3. 2.1.

4 c

COMANCHE PEAK - UNIT 1. 3/4 3-24 l

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