ML20196H933

Proposed Tech Spec Section 3/4.0,providing Provisions to Reset Instrument Channels &/Or Trip Sys,Tripped to Comply W/ Action Statements,In Order to Restore Operability of Associated Instrumentation

ML20196H933
Person / Time
Site:	Fermi
Issue date:	06/29/1988
From:	DETROIT EDISON CO.
To:
Shared Package
ML20196H910	List: ML20196H933 NRC-88-0057, Application for Amend to License NPF-43,revising Tech Spec Section 3/4.0 to Provide Provisions to Reset Instrument Channels &/Or Trip Sys & Remove Requirement to Place Channels &/Or Trip Sys in Unwarranted Tripped Condition
References
NUDOCS 8807060282
Download: ML20196H933 (12)

Text

-

4 -

.. REACTIVITY CONTROL SYSTEMS R00 BLOCK HON! TOR LIMlYING CONDITION FOR OPERATION 3.1.4.3 Both rod block monitor (RBM) channels shall be OPERABLE.

APPLICABIllTY: OPERATIONAL CONDITION 1, when THERMAL POWER is greater than or equal to 30% of RATED THERMAL POWER.

ACTION:

a. With one RBM channel inoperable:

1. Verify that the reactor is not operating on a LIMITING CONTROL ROD PATTERN, and

2. Restore the inoperable RBM channel to OPERABLE status within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />.

Othe Nise, place he inoperable rod block monitor channel in the tripped condition within the next hour,

b. With both RBM channels inoperable, place at leist one inoperable rod block monitor channel in the tripped condition'Nithin 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />.

s )

SURVEILLANCE REQUIREMENTS 4.1.4.3 Each of the above required RBM channels shall be demonstrated OPERABLE by performance of a:

a. CH' FUNCTIONAL TEST and CHANNEL CAllBRATION at the frequencies ar' 'he OPERATIONAL CONDITIONS specified in Table 4.3.6-1.

b. . FUNCTIONAL TEST prior *.o control rod withdrawal when the

- is operating on a LIMITING CONTROL ROD FATTERN.

• An sney.caLte. c.kannat ossy L < rese+ 4e poemt+ +a n+.my assoc. tsked. sath res+ering +ke. Red Eleep. flon,'far k OMMeut sta+us.

I eso7060282 080629 DR ADOCK 050 g 1

)

FERMI - UNIT 2 3/4 1-18

--,,----,yvr. yn,-. - - - - - - , ,-,,-,-r-.--,-.-. , -, , ,-,- y-v.,-y,y-,,-~-m-ee ~.

4---mg-__ p-w ,

,. I 3/4.3 INSTRUMENT ATION 3/4.3.1 REACTOR PROTECTION SYSTEM INSTRUMENTATION LIMITING CONDITION FOR OPERATION 3.3.1 As a minimum, the reactor urotection system instrumentation channels .

shown in Table 3.3.1-1 shall be OPERABLE with the REACTOR PROTECTION SYST RESPONSE TIME as shown in Table 3.3.1-2.

APPLICABILITY: As shown in Table 3.3.1-1.

ACTION: ,

s. With the number of OPERABLE channels less than required by the Minimum OPERABLE Channels per Trip System requirement for one trip system, place the <noperable channel (s) and/or that trip system in the tripped condition Wwithin 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />. The provisions of Specification 3.0.4 are not applicable,

b. With the number of OPERABLE channels less than required by the Minimum OPERABLE Channels per Trip System requirement for both trlp systems, place at least one trip system ** in the tripped conditiofwithin I hour and take the ACTION required by Table 3.3.1-1.

)

SURVEILLANCE REQUIREMENTS 4.3.1.1 Each reactor protection system instrumentation channel shall be demon-strated OPERABLE by the performance of the CHANNEL CHECK, CHANNEL FUNCTIONAL TEST, and CHANNEL CALIBRATION operations for the OPERATIONAL CONDITIONS and at the frequencies shown in Table 4.3.1.1-1.

4.3.1.2 LOGIC SYSTEM FUNCTIONAL TESTS and simulated automatic operation of all channels shall be performed at least once per 18 months.

4.3.1.3 The REACTOR PROTECTION SYSTEM RESPONSE TIME of each reactor trip functional unit shown in Table 3.3.1-2 shall be demonstrated to be within its .

limit at least once per 18 months. Each test shall include at least one channel per trip system such that all channels are tested at least once every N times 18 months where N is the total number of redundant channels in a specific reactor trip system.

l

• An inoperable channel need not be placedIninthese the tripped cases,condition where this the inoperable l

would cause the Trip Function to occur.

l channel shall be restored to 0PERABLE status within Insert.2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> o

• • The trip system need not be placed in the tripped condition if this would cause the Trip Function to occur. When a trip system can be placed in the tripped condition without causing the Trip Function to occur, place the trip system with I

the most inoperable channels in the tripped condition; if both systems have the same nurrber of inoperable channels, place either trip system in the tripped l ,

condition. Ste. Inter +.

i FERMI - UN 12 3/4 3 1 f

4 Ae.1sof srskis s.Gast an.atfor +r.y sys+<,e may g <. re ga4 +, p rm,4 l a s s e c ta hsd .a,'& re s fo r

• k Asse &or Frole c.+ron S} s +s .s

+e a4 j $ + wr ,

Enskoments% 4e DMMMt E

>-- #.- ; g [,

h j(

[',i PAGE 3/4 3-1 Insert for Footnote

• and **

In OPERATIONAL CONDITION 3. 4 or 5, an-inoperable channel and/or trip

. system need not be placed-in the tripped condition provided that all control rods, with the exception of control rods removed per Specifications 3.9.10.1 or 3.9.10.2, are verified to be fully inserted and remain fully inserted.

l l

l l

l

8 TABLE 3.3.1-1 (Continued)

REACTOR PROTECTION SYSTEM INSTRUMENTATION ACTION STATEMENTS ACTION 1 Be in at least HOT SHUTDOWN within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.

ACTION 2

- Verify all insertable control rods to be inserted in the core and lock the reactor mode switch in the Shutdown position W within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />.

ACTION 3

- Suspend all operations involving CORE ALTERATIONS and insert all insertable control rods within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />. t-ACTION 4

- Be in at least STARTUP within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.

ACTION 5 -

Be in STARTur with the main steam line isolation valves closed within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> or in at least HOT SHUTDOWN within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.

ACTION 6 -

Initiate a reduction in THERMAL POWER within 15 minutes and reduce turbine first stage pressure to < 154 psig, equivalent to THERMAL POWER less than 30% of RATED THERMAL POWER, within 2 ncurs.

i ACTION 7

- Verify all insertable control rods to be inserted within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />. ,

ACTION 8

- Lock the reactor mode switch in the Shutdown position within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />. ,

ACTION 9 - Suspend all operations involving COE A'.YERATIONS, and insert all insertable control rods and lot k C;c reactor mode switch in the Shutdown positiofwithin 1 Dour,

y. Tk e. r s a.c.+

• r m e d s. t w o' hr k ***

• f N f l

a'sA In he AM S+mefy/MSMJ%,

o or Rsk.i peHtes +v y<em:4 4*d) Associa+ad w h ees+,er R** s.+ee Prota +r.s t ysF t n ,+ , , ,+ a. , , y epg y g ,,, ,y+,

froot4s4 %+ nti i n s e. ,+a s s ,_ a. , ,+ ,. , g ,,,, ,,

g ,, ,,

i FERMI - UNIT 2 3/4 3-4

1 STRUMENTATION 3/4.3.2 ISOLATION ACTUATION INSTRUMENTATION LIMITING CONDITION FOR OPERATION 3.3.2 The isolation actuation instrumentation channels shown in Table 3.3.2-1 shall be OPERABLE with their trip setpoints set consistent with the values shown in the Trip Setpoint column of Table 3.3.2-2 and with ISOLATION SYSTEM RESPONSE TIME as shown in Table 3.3.2-3.

APPLICABILITY: As shown in Table 3.3.2-1.

ACTION:

a. With an isolation actuation instrumentation channel trip setpoint less conservative than the value shown in the Allowable Values column of Table 3.3.2-2, declare the channel inoperable until the channel is restored to OPERABLE status with its trip setpoint adjusted consistent with the Trip Setpoint value,

b. With the number of OPERABLE channels less than required by the Minimum OPERABLE Channels per Trip System requirement for one trip system, place the 'noperable channel (s) and/or that trip system in the tripped condition % ithin one hour. The provisions of Specification 3.0.4 are not applicable,

c. With the number of OPERABLE channels less than required by the Minimum OPERABLE Channels per Trip System requirement for both trJi systems, place at least one trip system" in the tripped conditiorFwithin one hour and take the ACTION required by Table 3.3.2-1.

"An inoperable channel need not be placed in the tripped condition where this would cause the Trip Function to occur. In these cases, the inoperable channel shall be restored to OPERABLE status within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> or the ACTION required by Table 3.3.2-1 for that Trip Function shall be taken.

C$The trip system need not be placed in the tripped condition if this would cause the Trip Function to occur. When a trip system can be placed in the tripped condition without causing the Trip Function to occur, place the trip system with

! the most inoperable channels in the tripped condition; if both systems have the same number of inoperable channels, place either trip system in the tripped condition.

9. Ants (sesLle <.ksust astfor +erf sy.s% may be rese+

+o p sen:& tes+r assestated .a:h. real er n, r,, tar,,

A <.k k w E ast ru m e n+s+.u +c O!GRA8LE skaks ,

T[RM) Oh11 ? 3/439

~

TABLE 3.3.6-1 (Continued)

CONTROL ROD llotK 1NSTRUWENTAT10N ACTION STATEMENTS ACTION 60 - Declare the RBM inoperable and take the ACTION required by Specificatfor.3.1.4.3.

ACTION 61 - With the number of OPERABLE Channels:

a. One less than required by the Minimum OPERABLE Channels

, per Trip Function requirement, restore the inoperable channel to CPERABLE status within'7 dayspr place the inoperable channel in the tripped condition within the next hour,

b. Two or more less than required by ihe Minimum CPERABLE Channels ~ per Trip Function requirement place at least one inoperable channel in the tripped condIttorFwithin 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />.

ACTION 62 - With the number of OPERABLE channels less than required by the Minimum CPERABLE Channels per Trip Function regirement, place the inoperable channel in the tripped condition within I hour.

( ACT10N 83

- With the number of OPERABLE channels less than required by the Minimum OPERABLE Channels per Trip Function requiremtnt, initiate a rod block. ,

TABLE NOTATIONS ,

• With THERMAL POWER 130% of RATED THERKAL POWER.

• • With more than one control rod withdrawn. Not applicable to control rods removed per Specification 3.9.10.1 or 3.9.10.2.

(a) The RBM shall be automatically bypassed when a peripheral control red is selected or the reference APRM channel indicates less than 30% of

, RATED THERMAL POWER.

(b) This function shall be automatically bypassed if detector count rate is -

> 100 cps or the IRM channels are on range 3 or higher.

l (c) This function shall be automatically bypassed when the associated IRH channels are on range 8 or higher.

(d) This function shall be automatically bypassed when the IRH channels are on range 3 or higher. _

(e) This function shall be automatically bypassed when the IRK channels are on range 2.

l

! (f) These two Source Range Menitors shall be OFERAELE as receired by 5pecificatien 3.9.2.

FERK) - UN112 3/4343

1. An ts of sen k te < k.a nnst bmy e ra ss4 Se (<rm:4 4es% < s ses ta+-sd wNA ce 21, rig %e Cede,( A.4 fle.x E ntfra.. t.4%, 4. oh- AAhE af.+ m.

. INSTRUMENTATION 4' .

SOURCE RANGE MONITORS LIMITING CONDITION FOR OPERATION 3.3.7.6 At least the following source range monitor channels shall be OPERABLE:

a. In OPERATIONAL CONDITION 2*, three.

b. 'In DPERATIONAL CONDITIONS 3 and 4, two.

APFLICABILITY: OPERATIONAL CONDITIONS 2*, 3, and 4.

ACTION:

a. In OPERATIONAL CONDITION 2" with one of the above required source range monitor channels inoperable, restore at least 3 source range monitor channels to OPERABLE status within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.

b. In OPERATIONAL CONDITION 3 or 4 with one or more of the above required source range monitor channels inoperable, verify all insertable control rods to be inserted i the core and lock the reactor mode switch in the Shutdown position within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />.

SURVEILLANCE REQUIREMENTS

4. 3. 7. 6 Each of the above required source range monitor channels shall be ,

demonstrated OPEP.ABLE by:

a. Performance of a:

1. CHANNEL CHECK at least once per:

a) 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> in CONDITION 2*, and b) 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> in CONDITION 3 or 4.

2. CHANNEL CAi.IBRATION** at least once per 18 months,

b. Performance of a CHANNEL FUNCTIONAL TEST:

1. Within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> prior to moving the reactor mode switch from the Shutdown position, if not performed within the previous 7 days, and ,

2. At least once per 31 days.

c. Verifying, prior to withdrawal of control rods, that the SRM count rate is at least 0.7""* cps with the detector fully inserted.

"With IRM's on range 2 or below.

• • Neutron detectors may be excluded from CHANNEL CALIBRATION.

• • • Provided signal-to-noise ratio is > 2. Otherwise, 3 cps.

FERNI - UNIT 2 . 3/4 3-64 g Th< re a e.+o r mode sw :4a e,s La. (Isse,t:s ha S+se+.y /Ho+ %sa hy or deb.I ges;O.4 f, 7 4 c fo rm + =y +r s R. S. u r s e ple n:4e rs k OMRA kE t h+3 .n s.c la+e.I ,;A re ,4..cfq Ras 4 frovMed %s+ all in s<rk kts c.&ol roA $senmsts kily nscrbed.

-4

• r PAGE 3/4 1-1 Insert for Footsete e and **

- In OPEllATIONAL ColC1 TION 3. 4. or 5. en inoperable channel and/or trip systes need not be pieced in the tripped condition provided that all control rods, with the exception of control rode removed per specifications 3.9.10.1.or 3.9.10.2. are verified to be fully inserted and remain fully inserted.

~i I

4 I

h l

i l

l' j

1 i

L

8 TABLE 3.3.1*1 (Continued)

REACTOR PROTECTION SYSTEM INSTRUMENTATION ACTION STATEMENTS ACTION 1 -

Be in at least HOT SHUT 00WN within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.

ACT10N 2 - Verify all insertable control rods to be inserted in the core and lock the reactor mode switch in the Shutdown position W within I hour.

ACTION 3 - Suspend all operations involving CORE ALTERATIONS and insert all insertable centrol rods within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />.

ACTION 4 - Be in at least $TARTUP within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br />.

ACTION 5 - Se in $TARTUP with the sain steam line isolation valves closed within 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> or in at least HOT $HUTOOWN within 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.

. ACTION 6 - Initiate a reduction in THiRMAL POWER within 1$ minutes and reduce turbine first stage pressure to < 154 psig, equivalent to THERMAL POWER less than 30% of RATE 0* THERMAL PowtR, within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br />.

1 ACTION 7 - Verify all insertable control rods to be inserted within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />. ,

ACTION 8 - Lock the reactor mode switch in the $hutdown position within 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />.

ACTION 9 - Suspend all operations involvir:0 CORE ALTERATIONS, and insert all insertable control rods and lock the reactor mode switch in the Shutdown positio fwithin 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />.

1. 7 h f~ " "

a,.' +."e. a * ,f"" >-us - a r..+er, , *.'

W TAs esAs.+*r #88d 8 I 8 *

.,n.c a R ea+.,

r Pr,t.<.+t.. r e f.- Ins +rw. ..A+< h ora AA da8 a k tiu 7

freelds4 4ht all insse+nkie. sost,el rods ramstn full Ins y <rked.

i FERMI - UNIT 2 3/4 3 4 l

l l

l

=

. \

I INSTRUM[NTATION 3/4.3.2 ISOLATION ACTUATION ]NSTRUM[NTATION LIMITINO CONDITION FOR OPERAfl0N 3.3.2 1he isolation actuation instrumentation channels shown in Table 3.3.21 shall be OPERABLE with their trip setpoints set consistent with the values shown in the Trip 5etpoint column of Table 3.3.2 2 and with ISOLATION SYSTEM RESPONSE TlHI as shown in Table 3.3.2 3.

APPLICA81LITY: As shown in Table 3.3.21.

ACTION:

a. With an isolation actuation instrumentation channel trip setpoint less conservative than the value shown in the Allowable Values colue.n of Table 3.3.2 2, declare the channel inoperable until the channel is restored to OPERABtE status with its trip setpoint adjusted consistent with the Trip 5etpoint value.

b. With the number of OPERABLE channels less than required by the Minimum OPERABLE Channels per Trip System requirement for one trip system, place the inoperable channel (s) and/or that trip system in the tripped condition Ywithin one hour. The provisions of Specification 3.0.4 are not applicable,

c. With the number of OPERABLE channels less than required by the Minimum OPERABLE Channels per Trip System requirement for both tri.p systems, place at least one trip system ** in the tripped condittorfFwithin one hour and take the ACTION required by Table 3.3.2-1.

"An inoperable channel need not be placed in the tripped condition where this would cause the Trip Function to occur. In these cases, the inoperable channel shall be restored to OPERABLE status within 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> or the ACTION required by Table 3.3.21 for that Trip Function shall be taken.

• • The trip system need not be placed in the tripped condition if this would cause the Trip Function to occur. When a trip system can be placed in the tripped condition without causing the Trip Function to occur, place the trip system with the most inoperable channels in the tripped condition; if both systems have the same number of inoperable channels, place either trip system in the tripped condition.

9. An tsof srskls ksuel and/or +erf sf% may be res<+

+o y e.e m :e te s + r assee.lskd .0,% res),, m m r,,ta,,,

Ack tre Iastrumenh+r.~ +, ortRAsts a+14,a ,

FERwl Ut11 2 3/4 3 9 t

l

l .

1 I

• TAtti 3.3.61 (Continued)

MROD BLOCK 1h5TRUwtNT AT10N ACTION 51 ATEMEN15 ACTION 60

• Ceclare the R$M inoperable and take the Alfl0N required by Specificatier.3.1.4.3.

ACTION $1

• With the number of OPERA 3LE Channels:

a. One less than re4 wired by the Miniewn OPERAllt Channels

, per Trip Function requirement, restore the inoperable channel to OPERA 3Lt status within*7 dayspe place the inoperable channel in the tripped conditten within the next hour.

b. Two er more less than required by the Minism OPERABLE Channels per Trip function requirement place at least one inoperable channel in the tripped condItierfwithin 1 howr.

ACT30N 82 - With the number of OPERA 8Lt channels less than required by the Minise CPERABLE Channels per Trip Function requirement, place the inoperable channel in the tripped condittorfwithin 2 hour2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br />.

k ACT10N 83 - With the number of OPERA 8LE channels less than required by the Minieve CPIRAILE Channels per Trip Function reewirement initiate a red block.

TAttt NOTATIONS With THERMAL PhtR 133 of Raft 0 THIRMAL P0hTR.

• • With este than one control red withdrawn. Not applicable to control rods removed per Specification 3.9.10.1 er 3.9.10.2.

(a) The RBM sha11 be avtesatically bypassed when a peripheral control rod is selected of the reference APRM channel indicates less than 33 of

, RAT [0 1MIRMAL POWER.

(b) This function shall be estomatically bypassed if deterter count rate is -

> 100 cps or the IRH channels are en range 3 er higher.

(c) This funciten shall be automatically bypassed when the associated IkM channels are en range 8 er higher.

(d) This function shall be auteostically bypassed when the IRM channels are en range 3 er higher. _

(e) This function shall be autosatically bypassed when the IRM channels are en range 1.

(f) These two Source Range Menitors shall be OFIRAltt as receired by Specificatich 3.9.7.

FIRM) W 11 2 3/4343 g As is opes Lie s ka n est ruy eLce a s4 4e prm:4 4e s% < s sula+< d w% re s&ergq ss Coer,\ R. A lless tas+ ram e.tak S. cN AAhn a+ + s.

e

. INSTRUM(NTATION 50UeCE RANCE MONITOR 5 LIMITING CON 0!TICN FOR OPERATION 3.3.7.6 At least the following source range monitor channels shall be OPERABL(:

a. In OPERATIONAL CONDITION 2*, three.

b. In OPERATIONAL CONDITIONS 3 and 4, two.

APPLICABitiTY: OPERATIONAL CONDITIONS 2*, 3, and 4.

ACTION:

a. In CPERATs0NAL CONDITION 2* with one of the above required source range sonitor channels inoperable, restore at least 3 source range

sonitor channels to OPERA 8LE status within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> or be in at least HOT SHUTDOWN within the next 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br />.

l l b. In CPERATIONAL CONDITION 3 or 4 with one or more of the above required I source range monitor channels inoperable, verify all insertable control [

rods to be inserted ilthe core and lock the reactor rade switch in the Shutdown position %1 thin 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />.

SURVEILLANCE REQUIREMENTS 4.3.7.6 Each of the above required source range monitor channels shall be )

demonstrated CPERABLE by:

j a. Performance of a:

1. CNANNEL CHECK at least once per:

a) 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> in CONDITION 28, and b) 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> in CONDITION 3 or 4.

2. CHANNEL CAlllRATION** at least once per 18 months,

b. Performance of a CHANNEL FUNCTIONAL TEST:

1. Within 24 ho Jrs prior to moving the reactor mode switch from the Shutdown position, if not performed within the previous 7 days, and

2. At lecst once per 31 days,

c. Verifying, prior to withdrawal of control rods, that the SRM count rate is at least 0.7'** cps with the detector fully inserted.

"With IRM's on range 2 or below.

• • Neutron detectors say be eac19ded free CHANNEL CAllBRATION.

• • • Provided signal to-noise ratio is 12. Otherwise, 3 cps.

FERMI - UNIT 2 - 3/4 3 64

( The re s sh e mode twt 4s k e,sy Lsptsee): 4ks C4 set.y /M*+ %sahy or Ashst yes;5 es 4e f erForm 4e e+rm soses tsk,t w;4L re ureer its Se.,rss As s M e et4e rs +, ON AAM s k4.f 4 freeM sd %se .It ts e sr4 6ts senteel re e a nu s fu lly in s er fed.

i E

I t

i se

- _ _ _ _ _ _ _ _ _ . _ _ _ _ _ _ _ _