Text

Proposed Tech Specs 3/4.3,changing ESFAS Functional Units 6.f,8.a & 8.b
	ML20154R932
Person / Time
Site:	Wolf Creek
Issue date:	10/20/1998
From:	; WOLF CREEK NUCLEAR OPERATING CORP.
To:	;
Shared Package
ML20154R923	List: ML20154R918; ML20154R932;
References
	NUDOCS 9810270229
	Download: ML20154R932 (20)
	v • d • e

. . _ . . . _ . . . . _ . . . . _ _. _ . . _ . _ _ . - _ - - . . - . _ _ . . . ~ . . . _ _ _ _ . ~ . . ~ _ _ . . _ _ _ . . . . . _ _ . . ~ _ . _ . . . . _ _ . _ . . _ . . . _ . _ . . _ _ .

, . . 'Atta$hment IV to ET. 98-0072 Page 1 of 7 s

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1 ATTACHMENT IV PROPOS.tD TECHNICAL SPECIFICATION CHANGES l

CURRENT TECHNICAL SPECIFICATIONS

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1 3

l 1

I n

1 9810270229 981020 PDR ADOCK 05000482-P PDR

TABLE 3.3-3 (Continued) hn kM g, ENGINEERED SAFETY FEATURES ACTUATION SYSTEM INSTRUMENTATION a4 g g ch, y

=

^

' TOTAL NO. CHANNELS MINIMUM CHANNELS

':2 '

FUNCTIONAL UNIT OF CHANNELS TO TRIP OPERABLE APPLICA8LE g' MODES ACTTON

$ 6. Auxiliary Feedwater q x

U 8

a. Manual Initiation 3(1/puw) 1/ pump 1/ pump 1, 2, 3 g

24 M

. b. Automatic Actuation Logic 2 1 2 and Actuation Relays (SSPS) 1, 2., 3 29

c. Automatic Actuation Logic 2 1 2 1,2,3 21 and Actuation Relays ~

(80P ESFAS)

d. Sta. Gen. Water Level- i R

w Low-Low

<;* 1) Start Motor-Driven Pumps 4/sta. gen. 2/sta. gen. 3/sta. gen.

t; 1, 2, 3 28*

in any opera- in each t ting sta. operating gen. stm. gen.

2) Start Turbine-Driven Pump 4/sta. gen. 2/sta. gen. 3/sta gen; 1, 2, 3 28*

in any 2 in each i operating operating stm. gen. sim. gen. i

e. Safety Injection - Start !

g Motor-Driven Pumps

. *- See Item 1. above for all Safety Injection inittating functions

, and requirements. t

@~ ;

f. Loss-of-Of fsite Power -

<+

Start Turbine-Driven Pump i 2 _ -- -

hh4- !

i)4kV Bus tandenvaltage. _ 4f m 2/ sus a/ Bus i, 2. 2, 19

3 - Lect *> Wage-(

f O Autemaiic &_.+ua+ila g 1 .

2 .i -

2 t.ogic.ama Ac.tua+ ion % lgs. * , , 2, 3 si f

(LSELS avut.l'cPETAfd

~ , - - ~ - = l I

I

r1AY-28-1998 16C6 ob'o9 Attadmmt IV to ET 98-0072 Page 3 of 7

,' TABLE 3.3-3 (Continued)

ACTION STATEMENTS (Continued)

ACTION 27 - With the number of OPERABLE channels one less than the Minimum Channels OPERABLE requirement be in at least HOT STANDBY within 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months ; however, one channel may be bypassed for up to 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months for surveillance testing per Specification 4.3.2.1 provided the other channel is OPERABLE.

ACTION 28 - With the number of OPERABLE channels one less than the Total Number of Channels. STARTllP and/or POWER OPERATION may proceed provided the following conditions are satisfied:

a. The inoperable channel is placed in the tripped condition within 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months .

b. The minimum channels OPERABLE requirement is met: however, the inoperable channel may be bypassed for up to 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months for surveillance testing of other channels per Specification 4.3.2.1.

ACTION 29 - With the number of OPERABLE channels one less than the Minimum Channels OPERABLE requirement. restore the inoperable channel to OPERABLE status within 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months or be in at least HOT STANDBY within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and in at least HOT SHUTDOWN within the following 6 hour6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months s: however, one channel may be bypassed for up to 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months for surveillance testing per Specification 4.3.2.1 provided the other channel is operable.

ACTION 30 - With the number of OPERABLE channels one less than the Total Number of Channels, operation may proceed provided the following conditions are satisfied:

a. The inoperable channel is placed in the bypass condition within 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months .

b. The minimum channels OPERABLE requirement is met: however, one additional channel may be tripped for up to 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months for surveillance testing per Specification 4.3.2.1.

ACTib4 31 tdW 6e number of cPERABt.E channds lessthe fbc Total Wamber of channe.is , twsrore. +he. iWable. channe. l(s) to cPERAsus sto;tus wHWn 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months or be Jn at least HOT STAM D E Y with A +h e. ne xt G hours and. N GY tead hot $HuTDotoy withih the fellodn3 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months .

WOLF CREEK UNIT 1 3/4 3-21a Amendment No. 43.117

TABLE 3.3-4 (Continued) . >

ENGINEERED SAFETY FEATURES ACTUATION SYSTEM INSTRUMENTATION TRIP SETPOINTS a' -

2,5 6

G TOTAL SENSOR TRIP ALLOWABLE n

Z ERROR (S) SETPOINT VALUE Ei A

m FUNCTIONAL UNIT ALLOWANCE (TA)

Ea 7 6. Auxiliary Feedwater (Continued) p b 2) Start Turbine- h

Driven Pumps 23.5 21.18 2.51 2 23.5% of 2 22.3% of

~ narrow range narrow range instrument instrument span span

e. Safety Injection -

Start Motor-Driven Pumps See Item 1. above for all Safety Injection Trip Setpoints and Allowable Values.

f. Loss-of-Offsite Power-Start Turbine-Driven Pump N.A. N.A. N.A. N.A. N.A.

t,' 1---+

w g. Trip of All Main Feed-A water Pumps - Start

Motor-Driven Pumps N.A. N.A. N.A. N.A. N.A.

h. Auxiliary Feedwater Pump Suction Pressure-Low (Transfer to ESW) N.A. N.A. N.A. 2 21.60' psia 1 20.53 psia

7. Automatic Switchover to Containment Sump

a. Automatic Actuation Logic and Actuation Relays (SSPS) N.A. N.A. N.A. N.A. N.A.

b. RWST Level-Low-Low 3.4 1.21 1.86 > 36% of > 35.1% of Instrument Instrument span span Coincident with Safety Injection See Item 1. above for Safety Injection Trip Setpoints and Allowable Values.

G) 4 k.V NtA<wlervolbge. see item 6.a. below G- Tv-se setpomts x Anow.h vatu 2_]

g - Los3.f voltage L 2.) Au+eaha. ActaratEn M.A . M.A. M. A . g,A. g,4, Levn'c 2nd. Ac.ttrated n R 3

( LsELs y bop E5FAs)_

_ _ _ _ _ _ = _ _ _ _ _ _ _

4 ,

U M2 #

TABLE 4.3-2 (Centinued) Page 5 of 7 h

m ENGINEERED SAFETY FEATilRES ACTUATION SYSTEM INSTRUMENTATION ,

SURVEILLANCE REQUIREMENTS !

1 g

g TRIP i

x ANALOG ACTUATING MODES CHANNEL DEVICE MASTER SLAVE FOR WHICH g CHANNEL CHANNEL OPERATI0EAL OPERATIONAL ACTUATIvN RELAY RELAY SURVEILLANCE i q FUNCTIONAL UNIT CHECK CALIBRATi]N TEST TEST LOGIC TEST TEST TEST is AEQUIRED !

" 6. Auxiliary Feedwater (Continued)

c. Automatic Actuation N.A. N.A. N.A. N.A. M(1)(2) N.A. N.A. 1,2,3 Logic and Actuation Relays (80P ESFAS) ,<

d. Steam Ger.erator Water S R Q N.A. fl. A. N.A. N.A. 1,2,3 ,!

j Level-! w-Low .

, e. Safety Injection See Item 1 above for all Safety Injection Surveillance Requirements D f. _L:::-0ffrite ":ucr N.A. R N.A. M N .^ . "^ "^ . 1, 2, ?

w Cw in e ^7 i 4 g. Irip of AII Main N.A. N.A. N.A R N.A. N.A. N.A. I w Feedwa;.er Pumps

5. Auxiliary Feedwater S R M N.A. N.A. N.A. N.A. 1,2,3 Pump Suction Pressure-Low .

7. Automatic Switchover to Containment Sump

a. Automatic Actuation N.A. N.A. N.A. N.A. M(1) M(1) Q(3) 1, 2, 3, 4 Logic and Actuation

[ Relays (SSPS)

b. RWST Level - Low-Low S R N.A. N.A. N.A. N.A. 1,2,3,4 h

w Coincident With Q

l-

?+ Safety Injection See Item 1. above for all Safety Injection Surveillance Requirements.

2 P 8. Loss of Power y a. 4 kV Undervoltage - N.A. Rh N.A. Mh N.A. N.A. N. A.- 1,2,3,4 Loss of Voltage O b. 4 kV Undervoltage -

Grid Druraded Voltage N.A. h N.A. M N.A. N.A. N.A. 1,2,3,4

_ .._- _ _ a e __ ._ __ _ _ _ _ _ _ _ _ _ _ _ . _ _ _ _ _ . _ _ _ _ _ _ . _ _ _ _ _ _ _ _ . _ _ _ _ _ _ .

Attachment IV to ET 98-0072 Page 6 of.7 ,

CURRENT TECHNICAL SPECIFICATION (CTS) INSERTS INSERT A:

TRIP ANALOG ACTUATING MODES CHANNEL DEVICE ACTUATION MASTER SLAVE FOR WHICH CHANNEL CHANNEL CPERATONAL OPERATIONAL LOGIC RFIAY RELAY SURVEILLANCE FUNCTIONAL UNIT CHECK CALIBRATION TEST TEST TEST TES7 TEST IS REQUIRED 6.f Loss of Offsite Power -

Start Turbine Driven Pump

1) 4 kV Bus Undervoltage N.A. R N.A. M N.A. N.A. N.A. 1,2,3

- Loss of Voltage

2) Automatic Actuation N.A. N.A. N.A. R N.A. N.A. N.A. 1,2,3 Logic and Actuation Relays (LSELS and BOP ESFAS) i

"N TABLE 4.3-2 (Continued) w [--l; p ENGINEERED SAFETY FEATURES ACTUATION SYSTEN INSTRUNENTATION Ski i

SURVEliLANCE REQUIRENENTS N_

g <!

p TRIP' 6 X

. ANALOG ACTUATING N00ES Ai CHANNEL ~ DEVICE MASTER SLAVE FOR WHICH g CHANNEL CHANNEL OPERATIONAL OPERATIONAL ACTl8ATION RELAY RELAY SURVEILLANCE q FUNCTIONAL UNIT CHECK CALIBRATION TEST TEST LOhic TEST TEST TEST IS REQUIRED gj

9. Control Room Isolation !

l

a. Manual Initiation N.A. N.A. N.A. R N.A. N.A. N.A. All

b. Automatic Actuation N.A. N. A. N. 4. N.A. N(1) N(1) Q(3) 1, 2, 3, 4 ,

Logic and Actuation Relays (SSPS)

c. Automatic Actuation N.A. N.A. N.A. N.A. N(1)(2) N.A. N.A. All Logic and Actuation w Relays (BOP ESFAS) !

d. Phase "A" Isolation See Item 3.a. above for all Phase "A" Isolation Surveillance Requirements.

w h 10.Solfd-State Load Sequencer N.A. N.A. N.A. N.A. H(1)(2) N.A. N.A. 1, 2, 3, 4' ,

11. Engineered Safety Features .

Actuation System Interlocks

a. Pressurizer Pressure, N.A. 9 Q N.A. N.A. N.A. N.A. 1, 2, 3 l

P-11

b. Reactor Trip, P-4 N.A. N.A. N.A. R N.A. N.A. N.A. 1, 2, 3 i

g TABLE NOTATIONS (1) Each train shall be tested at least every 62 days on a STAGGERED TEST BASIS. j

[ (2)

O Continuity check may be excluded from the ACTUATION LOGIC TEST.

r

03) Except Relays K602, K620, K622, K624, K630 K740, and K741, which shall be tested at least once per 18 months '

O during refueling and during each COLD SHUTDOWN exceeding 24 hours2.777778e-4 days 0.00667 hours 3.968254e-5 weeks 9.132e-6 months unless they have been tested within the previous 90 days. .

~ -

TesNng ef 4heinmc. delg rc is. [rmed. a.5 pwt of ihc. CHA&Et_ cmsome, C(4) .

_ ~ -_ ~ _

h . - __i __ _ _ _ _ _ . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . _ _ _ . _ _ _ _ _ . _ _ _ _ . _

. .. . Attachment V to ET 98-0072 l Page 1 of 12 I t

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l ATTACHMENT V i PROPOSED TECHNICAL SPECIFICATION CHANGES ;

l IMPROVED TECHNICAL SPECIFICATIONS 1

1 1

1

Attactment V to ET 98-0072

~Pags 2 of 12 ESFAS Instrumentation l,. 3.3.2

. ACTIONS (continued)

CONDITION ~ REQUIRED ACTION COMPLETION TIME M. One channel inoperable - -

Note -

I LC0 3.0.4 is not applicable j M.1 Place channel in trip. I hour 8HD

. 1 H.2 Restore inoperable 31 days or during channel to OPERABLE- performance of status. next COT,' which occurs first.

N. One train inoperable - - -

NOTE -

One train may be bypassed for up to 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months for surveillance -

testing provided the other train is OPERABLE.

?

N.1 Be in MODE 3. 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months AND N.2 Be in MODE 4. 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months

, 6+h-hzin(b a .1 Resbv iv>inM fo 4e hears tho P a * . OfYAAStE .cfaius.

OR i e>,2 I % is Plo'bE 3. 54W.s l AMD

+- 1

o. 2. 2. Be . h HobE 4. kc %

WCGS ITS 3.3 29 5/15/97

-,__d

,' " - Attactraent V to ET 98-0072 Pager 3 of 12 ESFAS Instrumentation 3.3.2 SURVEILLANCE REQUIREMENTS

........................................N0TE - - - - -- - - - - - - -

Refer to Table 3.3.21 to determine which SRs apply for each ESFAS Function.

SURVEILLANCE FREQUENCY SR 3.3.2.1 Perform CHANNEL CHECK. 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months SR 3.3.2.2 Perform ACTUATION LOGIC TEST. 31 days on a STAGGERED TEST BASIS SR 3.3.2.3 -

- NOTE - - - --

The continuity check may be excluded.

Perform ACTUATION LOGIC TEST. 31 days on a STAGGERED TEST BASIS SR 3.3.2.4 Perform MASTER RELAY TEST. 31 days on a STAGGERED TEST BASIS SR 3.3.2.5 Perform COT. 92 days SR' 3.3.2.6 Perform SLAVE RELAY TEST. 92 days

$'?h$

SR 3.3.2.7 Perform TADOT. 31 tyr (continued)

WCGS ITS 3.3 30 5/15/97

1 AttachmentVtoET98-0072 Pagd 4 of 12 ESFAS Instrumentation 3.3.2 Table 3.3.2 1 (page 7 of 9)

Engineered Safety Feature Actuation System Instrumentation APPLICABLE MODES OR OlHER SPECIFIED REQUIRED SURVEILLANCE ALLOWABLE FUNCTION CONDITIONS CHANNELS CONDITIONS REQUIREMENTS VALUE"

6. Auxiliary Feedwater (continued)

d. Safety Injection Refer to Function 1 (Safety injection) for all initiation functions and reqdraments.

e. Loss of Offsite Power 1.2.3 2 trains += SR 3.3.2.7 NA NA O 2.1.L%

SR 3.3.2.10 (continued) {

(a) The Allowable Value defines the Limiting Safety System Setting. See the Bases for the Trip Setpoints.

WCGS ITS 3.3 39 5/15/97

1 Attactrrerrt V to U 98-0072 Page'5 of 12 ESFAS Instrumentation B 3.3.2 l l

BASES l

APPLICABLE 6. Auxiliary Feedwater (continued)

SAFETY ANALYSES, LCO, and With the transmitters (d/p alls) located inside l APPLICABILITY containment and thus possibly experiencing adverse environmental conditions (feed line break). the Trip Setpoint reflects the inclusion of both steady state and adverse environment instrument uncertainties. The Trip l Setpoint for the Start Motor-Driven Pumps and the Start Turbine Driven Pumps is > 23.5% of narrow range instrumentation span.

d. Auxiliary Feedwater - Safety Iniection An SI signal starts the motor driven AFW pumps via LOCA sequencer. The AFW initiation functions are the same as the requirements for their SI function.

Therefore, the requirements are not repeated in Table 3.3.2 1. Instead Function 1, SI, is referenced for all initiating functions and requirements.

_ e. Auxiliary Feedwater - Loss of Offsite Power (LOPH A loss of offsite power3to the safeguard buses will be accompanied by a loss of reactor coolant pumping power and the subsequent need for some method of decay heat removal. The foss of gffsite fower h is detected by a voltage drop on each safeguard bus. The LOP is sensed and processed by the circuitry for LOP DG start (Load Shedder Emergency Load Sequencer) and fed to the B0P ESFAS by the relay actuation. Loss of power to either safeguard

. bus will start the turbine driven AFW pump to ensure f cind.o.domah bono ec that at least one SG contains enough water to serve scc blousdaon A as the heat sink for reactor decay heat and sensible Sample, hries u heat removal following the reactor tria. In '

-- addition, once the diesel generators are started and up to speed, the motor driven AFW pumps will be sequentially loaded onto the diesel generator busses.

Functions 6.a. 6.b. 6.c. and 6.e must be OPERABLE in MODES 1, 2, and 3 to ensure that the SGs remain the heat sink for the reactor. SG Water Level-Low Low (continued)

I WCGS ITS BASES B r.3 85 5/15/97

.- - - -. - - ~

'\

" Page 6 of 12 ESFAS Instrumentation B 3.3.2 BASES ACTIONS E.1. E.2.1. and E.2.2 (continued) i l

To avoid the inadvertent actuation of containment spray and i Phase B containment isolation, the inoperable channel should not ;

be placed in the tripped condition. Instead it is bypassed. ;

Restoring the channel to OPERABLE status, or placing the l inoperable channel in the bypass condition within 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months , is 1 sufficient to assure that the Function remains OPERABLE and l minimizes the time that the Function may be in a parth1 trip l condition (assuming the inoperable channel has failed high). The Completion Time is further justified based on the low probability of an event occurring during this interval. Failure to restore the inoperable channel to OPERABLE status, or place it in the

bypassed condition within 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months , requires the unit be placed in ,

MODE 3 within the following 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and MODE 4 within the next !

6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months . The allowed Completion Times are reasonable, based on operating experience, to reach the required unit conditions from '

full power conditions in an orderly manner and without J challenging unit systems. In MODE 4, these Functions are no longer required OPERABLE.

The Required Actions are modified by a Note that allows one l l

. additional channel to be byp:ssed for up to 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months for l surveillance testing. Placing a second channel in the bypass condition for up to 4 hours4.62963e-5 days 0.00111 hours 6.613757e-6 weeks 1.522e-6 months for testing purposes is acceptable

, based on the results of Reference 7.

4 F.1. F.2.1. and F.2.2 j

l Condition F applies to:

. Manual Initiation of Steam Line Ifast close) Isolation:

b f [f' he s j

- P-4 Interlock.

For the Manual Initiation and the P 4 Interlock Functi s,_this action addresses the train orientation of the SSPS. IcrtMLcQ s

(continued)

WCGS ITS BASES B 3.3-97 5/15/97

. Attactinent V to ET 98-0072 Pags7of12 ESFAS Instrumentation B 3.3.2 BASES 6

ACTIONS F.1. F.2.1. and F.2.2 (continued) cf Offsitg fc'cr Fhetien, thig cctic rece;-icc: thc h h

,3 ecg c orip pcovi5ie.. ive a iaiseu wanoci / TT a train or channel is inoperable. 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months is allowed to return it to OPERABLE status. The specified Completion Time is reasonable considering the nature of these Functions, the available

r6Jundancy, and the low probability of an event occurring during this interval. If the Function cannot be returned to OPERABLE 2 status, the unit must be placed in MODE 3 within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months

, and MODE 4 within the following 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months . The allowed Completion i Times are reasonable, based on operating experience, to reach the required unit conditions from full power in an orderly manner and without challenging unit systems. In MODE 4, the unit does not have any analyzed transients or conditions that require the explicit use of the protection functions noted above. 1 G.I. G.2.1 and G.2.2 Condition G applies to the automatic actuation logic and actuation relays for the Steam Line Isolation and AFW actuation Functions.

1 1

The action addresses the train orientation of the SSPS and the master and slave relays for these functions. If one train is l inoperable, 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months are allowed to restore the train to OPERABLE l status. The Cor.cletion Time for restoring a train to OPERABLE status is reasonable considering that there is another train OPERABLE, and the low probability nf an event occurring during this interval. If the train cannot be returned to OPERABLE l status, the unit must be brought to MODE 3 within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and MODE 4 within the following 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months . The allowed Completion Times are reasonable, based on operating experience, to reach the required unit conditions from full power conditions in an orderly manner and without challenging unit systems.

Placing the unit in MODE 4 removes all requirements for OPERABILITY of the protection channels and actuation functions. I 1

l I

(continued)

WCGS ITS BASES B 3.3-98 5/15/97

Attactnent V to ET 98-0072 4

Page 8 of 12 ESFAS Instrumentation B 3.3.2 l BASES ACTIONS N.1 and N.2 (continued) l Condition N applies to the Auxiliary Feedwater Balance of Plant ESFAS automatic actuation logic and actuation relays. With one train inoperable, the unit must be brought to MODE 3 within 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and H0DE 4 within the following 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months . The Required Actions are modified by a Note that allows one train to be bypassed for up to 2 hours2.314815e-5 days 5.555556e-4 hours 3.306878e-6 weeks 7.61e-7 months for surveillance testing provided the other train is OPERABLE.

h@=

SURVEILLANCE The SRs for each ESFAS Function are identified by the SRs column REQUIREMENTS of Table 3.3.2-1.

A Note has been added to the SR Table to clarify that Table 3.3.21 determines which SRs apply to which ESFAS Functions.

Note that each channel of process protection supplies both trains of the ESFAS. When testing channel I, train A and train B must be examined. Similarly, train A and train B must be examined when testing channel II, channel III, and channel IV. The CHANNEL CALIBRATION and COTS are performed in a manner that is consistent with the assumptions used in analytically calculating the regt/ ired channel accuracies.

SR 3.3.2.1 Performance of the CHANNEL CHECK once every 12 hours1.388889e-4 days 0.00333 hours 1.984127e-5 weeks 4.566e-6 months ensures that a gross failure of instrumentation has not occurred. A CHANNEL CHECK is normally a comparison of the parameter indicated on one channel to a similar parameter on other channels. It is based on the assumption that instrument channels monitoring the same parameter should read approximately the same value. Significant deviations between the two instrument channels could be an indication of excessive instrument drift in one of the channels or of something even more serious. A CHANNEL CHECK will detect gross channel failure: thus, it is key to verifying the instrumentation continues to operate properly between each CHANNEL CALIBRATION.

Agreement criteria are determined by the unit staff, based on a combination of the channel instrument uncertainties. including indication and reliability. If a channel is outside the (continued) l _

WCGS ITS BASES B 3.3-103 5/1rfg7 4

A a s,.-- - --~ +A =* a- -----,,se- . . = - en 6-

' ' - ' Attachment V to ET 98-0072 Page 9 of 12 INSERT O.1, 0.2.1 and O 2.2 Condition 0 applies to the Auxiliary Feedwater Loss of Offsite Power Function.

With the inoperability of one or both train (s), 48 hours5.555556e-4 days 0.0133 hours 7.936508e-5 weeks 1.8264e-5 months is allowed to return the train (s) to OPERABLE status. The specified Completion Time is reasonable considering the fact that this Function is associated only vith the turbine-driven AFW pump, the available redundancy provided by the motor-driven AEW l pumps, and the low probability of an event occurring during this interval. If the Function cannot be returned to OPERABLE status, the unit must be placed in MODE 3 within the next 6 hours6.944444e-5 days 0.00167 hours 9.920635e-6 weeks 2.283e-6 months and in MODE 4 within the following 30 hours3.472222e-4 days 0.00833 hours 4.960317e-5 weeks 1.1415e-5 months .

The allowed Ccmpletion Times are reasonable, based on operating experience, to reach the required unit conditions from full power in an orderly manner and without challenging unit systems. In MODE 4, the unit does not have any analyzed transients or conditions that require the turbine-driven AEW pump for mitigation. ,

l i

)

l l

l

i Attactment V to ET 98-0072 i'"' .'Pags10of12- ESFAS Instrumentation B 3.3.2 i BASES SURVEILLANCE -SR 3.3.2.6- (continued)

REQUIREMENTS feedwater pump trip solenoids since that circuitry serves no

required safety function. The Frequency is adequate, based on l industry operating experience, considering instrument reliability and operating history data.

I SR 3.3.2.7 s e, m.nh

! h o d p t ye SR 3.3.2.7 is the performance of a TAD 0T every 3'. d y:. This test is a check of the Loss of Offsite Power function. The trip l g gp g y &

I 3 logic. amec. ed actuatingdevicestgedwithinthescopeofSR3.3.2.7arethe

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! M "^*P"P- "Re set nts y,(uiry41 abo eb es11ts: ttyan64rs]

[ . eri fi durip(CHANNEL C RAT .fThe Fre uency is adequate.

It is based on industry operating experienc c:ncidr"g, in:trr- :qt relidility .end eweting histem date.jotnd is cansstad th the.typica\ reheftvv3 c.ycle. . The. Wip cs.cmat'vn3 devk.cs,

+e. steel _. have ve a.ssec.tated pe tpoiht ,

SR 3.3.2.8 SR 3.3.2.8 is the performance of a TAD 0T. This test is a check of the Manual Actuation functions (SSPS)and AFW pump start on trip of all MFW pumps B0P ESTAS. It is performed every 18 months. Each Manual Actuation Function is tested up to, and including, the master relay coils. In some instances, the test includes actuation of the end device (i.e., pump starts, valve cycles, etc.). The Frequency is adequate, based on industry operating experience and is consistent with the typical refueling cycle. The SR is modified by a Note that excludes verification of setpoints during the TADOT for ma,sual initiation functions.

The manual initiation Functions have no associated setpoints.

SR 3.3.2.9 SR 3.3.2.9 is the performance of a CHANNEL CALIBRATION.

A CHANNEL CALIBRATION is perfor..ed every 18 months, or approximately at every refueling. CHANNEL CALIBRAT4ON is a complete check of the instrument loop, including the sensor. The test verifies that the channel responds to measured parameter (continued)

WCGS ITS BASES B 3.3 106 5/15/97

Attactment V to ET 98-0072 a $ H of 12 LOP DG Start Instrumentation B 3.3.5 4

BASES APPLICABLE The LOP DG start instrumentation channels satisfy Criterion 3 of SAFETY ANALYSES 10 CFR 50.36 (c)(2)(11).

(continued)

LCO The LC0 for LOP DG start instrumentation requires that four channels per 4 kV NB system bus of both the loss of voltage and degraded voltage Functions shall be OPERABLE in MODES 1, 2, 3, MM i

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and 4 when the LOP DG start instrumentation supports safety systems associated with the ESFAS. In MODES 5 and 6, the four stxte<L cete of lhe o ppqttde, cT*ttme, channels must be OPERABLE whenever the associated DG is required de.193 b the. LM to be OPERABLE to ensure that the automatic start of the DG is available when needed. Loss of the LOP DG Start Instrumentation She.dder (Load Se3i.u.m Emegeg/ .

Function could result in the delay of safety systems initiation when required. This could lead to unacceptable consequences during accidents. During the loss of offsite power the DG powers the motor driven auxiliary feedwater pumpst Failure of these pumps to start would leave the turbins driven pump,as well as an increased potential for a loss of decayleat reme. val) through the sec ndary system. _fiFavt<A % mo_ so?Em.6 aweztg en re.c.cipt et o te,ss of volt ap sips. tn>w me Log Gmetc3emcq Lanck Saqusme.uu oa1.q>a$., ce.ky>,

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APPLICABILIlY The LOP DG Start Instrumentation Functions are required in MODES 1, 2, 3, and 4 because ESF Functions are designed to provide protection in these MODES. Actuation in MODE 5 or 6 is j

required whenever the required DG must be OPERABLE so that it can perform its function on an LOP or degraded power to the vital bus.

ACTIONS In the event a channel's Trip Setpoint is found nonconservative with respect to the Allowable Value, or the channel is found inoperable, then the function that channel provides must be declared inoperable and the LC0 Condition entered for the particular protection function affected. Because the required channels are specified on a per bus basis, the Condition may be entered separately for each bus as appropriate.

A Note has been added in the ACTIONS to clarify the application of Completion Time rules. The Conditions of this Specification i may be entered independently for each Function listed in the LC0. l The Completion Time (s) of the inoperable char.nel(s) of a Function l l

(continued)

WCGS ITS BASES B 3.3-134 5/15/97 i

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,Attachrent V to ET 96-0072

- Page 12 of 12 LOP DG Start Instrumentation )

B 3.3.5 BASES ACTIONS (L.1 (continued)

In these circumstances the Conditions specified in LC0 3.8.1, "AC Sources-Operating," or LC0 3.8.2 "AC Sources-Shutdown." for the DG made inoperable by failure of the LOP DG start instrumentation are required to be entered immediately. The actions of those LCOs provide for adequate compensatory actions to assure unit safety.

[L.1 Condition D applies to each of the LOP DG start Functions when the Required Actions and associated Completion Times for Condition A and B are not met when the associated DG is required to be OPERABLE per LC0 3.8.2. In these circumstances the Conditions specified in LCO 3.8.2, "AC Sources Shutdown" for the DG and and offsite circuit made inoperable by failure of the LOP DG start instrumentation are required to be entered imediately. The actions of that LC0 are for adequate compensatory actions to assure unit safety.

SURVEILLANCE SR 3.3.5.1 REQUIREMENTS Not Used.

SR 3.3.5.2 SR 3.3.5.2 is the performance of a TAD 0T. This test is performed I every 31 days. The test checks trip devices that provide j actuation signals directly, bypassing the analog process control equipment. For these tests, the relay Trip Setpoints are ]

verified and adjusted as necess6ry. The Frequency is based on the known reliability of the relays an controls and the multichannel redundancy available, and s been shown to be a@f 4hc - cttnic delough operating exper_1encg re.ty is performed. as CTPR %eJ. 4MOEL. CAtt Ttou (sR,3,3,s ,-M ,

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SR 3.3.5.3 -

)

SR 3.3.5.3 is the performance of a CHANNEL CALIBRATION. ,

The setpoints, as well as the response to a loss of voltage and a degraded voltage test, shall include a single point (continued)

WCGS ITS BASES B 3.3 136 5/15/97

Attachment III to ET 98-0072 Fage 1 of 2 e

l ATTACHMENT III l ENVIRONMENTAL IMPACT DETERMINATION I

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,' Attachment III to ET 98-0072 Page 2 of 2 Environmental Impact Determination This license amendment request proposes to revise Wolf Creek Generating Station (WCGS) Technical Specification 3.3, Engineered Safety Features Actuation System (ESFAS) Functional Unit 6. f, Loss of Offsite Fower-Start Turbine-Driven Pump, in Tables 3.3-3, 3.3-4, and 4.3-2 to create separate Functional' Units for the analog and digital portions of the ESFAS function associated with starting the turbine-driven auxiliary feedwater pump upon loss of offsite power.

Additionally, this request proposes to revise Engineered Safety Features Actuation System (ESFAS) Functional Unit 8.a, 4 kV Undervoltage - Loss of Voltage and 8.b, 4 kV Undervoltage - Grid Degraded Voltage, in Technical Specification Table 4.3-2 to add a table notation to clarify that the testing of the time delay relays is performed as part of the CHANNEL CALIBRATION.

10 CFR 51.22(b) specifies the criteria for categorical exclusions from the requirement for.a specific environmental assessment per 10 CFR 51.21. This ;

amendment request meets the criteria specified in 10 CFR 51. 22 (c) (9) as specified below:

(i) the amendaent involves no significant hazards consideration As demonstrated in Attachment II, the proposed changes do not involve any significant hazards consideration.

(ii) there is no significant change in the types or significant increase in the amounts of any effluents that may be released offsite ,

f None of the proposed changes involves a change to the facility or operating procedures that would cause an increase in the amounts of effluents or create new types of effluents.

(iii) there is no significant increase in individual or cumulative occupational. radiation exposure The proposed changes relate to differentiating between the analog and digital portions of the ESFAS function associated with starting the turbine-driven auxiliary feedwater pump. These changes have no relation to occupational radiation exposure, either individual or cumulative.

Based on the above, it is concluded that there wil) be no impact on the environment reculting from this change ' and the change meets the criteria specified in 10 CFR 51.22 for a categorical exclusion from the requirements of 10 CFR 51.21 relative to requiring a specific environmental assessment by the Commission.

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o 4 e' Attachment VI to ET 98-0072 Page 1 of 1 LIST OF COMMITMENTS The following table identifies those actions committed to by Wolf Creek Nuclear Operating Corporation (WCNOC) in this document. Any other statements in this submittal are provided for information purposes and are not considered to be commitments. Please direct questions regarding these commitments to Mr.

Michael J. Angus, Manager Licensing and Corrective Action at Wolf Creek Generating Station, (316) 364-8831, extension 4077.

CCtfiITMENT Due Date/ Event This proposed revision to the WCGS Technical Sixty days Specifications will be fully implemented within 60 following NRC days of formal NRC approval. issuance of the requested amendment.

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ML20154R932

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