ML20067C248

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Proposed Tech Specs Re Operability & Alignment Requirements for Ctr Control Element Assembly
ML20067C248
Person / Time
Site: Calvert Cliffs Constellation icon.png
Issue date: 02/08/1991
From:
BALTIMORE GAS & ELECTRIC CO.
To:
Shared Package
ML20067C245 List:
References
NUDOCS 9102120002
Download: ML20067C248 (20)


Text

{{#Wiki_filter:. _ _ _ __ _ _ _ _ ____ .__ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ - . _ _ _ _ _ _ _ _ - _ _ _ _ _ _ e MTACitMI:NT PROPOSED CllANGES CALVERT CLilTS UNIT 1 TECilNICAL SPECIFICATIONS 1 INSERT A

                                 +    Excluding the center CEA during Cycle 10.

INSERT B

                                 +    The center CEA may be excluded from the determination of Bank 5 position during Cycle 10, 9102120002 910208 PDR               ADOCK 05000317 p                                PDR
                                                  - . , _ - - . - . - , _                                                                                           - - -       , , - - . . _ . . . = , . . . = . . .

i , ( l, 3/4.1 REACTIVITY CONTROL SYSTEM 5 1 l 3/4.1.1 BORAT10N CORTROL l 3HlffDOWN MARGIN - Tave > 200'F LIMITING CQNQ1 TION TOR OM RAT 10H 3.1.1.1 The 5HtfTDOWN MARGIN shall be equal to or greater than the limit line I of figure 3.1 lb. AFPt1CABitfTY: MODES 3. 2** 3. and 4. ACTION: ' With the SHtJTDOWN MARGlH less than the limit ifne of Figure 3.J .lb imediately initiate and continue boration at 140 gpm of 2300 ppm boric acid solution or equivalent until the required $HUTDOWN MARGIN is restored. SURVE1ttANCE REQM1REMENT$ 4.1.1.1.3 The SHUTDOWN MARGIN shall be determined to be equal to or greater than the limit of figure J.J-lb:

a. Within one hour after detection of an inoperable CEA(s)*and at least -y-t oncs per .12 hours .thertafiar whilm _1be LEA (sJ+Js .icaparable. If the g-inoperable CEA is immovable or untrippable, the above required SNLITDOWN MARGIN shall be increased by an amount at least equal to the withdrawn worth of the imovable or untrippable CEA(s)t W
b. , at least once per 12 hours by verifying that When in 3MODES CEA group withdrawal Specification d.3.6. 1 or 2{is within the Transient*Ins
c. When in MODE.20, within 4 hours prior to achieving rwactor criticality by verifying that the predicted critical CEA position *is
  • within the limits of Specification 3.1.3.6.
d. Prior to initial operation above 37 RATED THERNAL POWER after each fuel loadin by consideration of the factors of a below, with the CEA groups at +g,the Transient Insertion limits of Specification
  • 3.1.3.6.

4 Adherence to Technical Specification 3.1.3.6 as specified in Surveillance Requirements 4.3.3..).1 assures that there is sufficient available shutdown margin to match the shutdown margin requirements of the safety analyses.

                          **      See Special Test Exception 3.10.3.
                          #       With K        2 1.0
                          #       W1th K,effyf < 1.0
                          -H ~.S.n g r4 A                                                                                                         E CALVERT CLIFTS - 11NJT 2                                            3/4 3-]         Amendment No.7J. 37. (f. 71.
88. lH. 130

2 J . . i 1 REACTIVITY CONTROL SYSTEK1 0

                              $HUTDOWN MARGIN - T,y                               200 F L!ti!T!!,3 CONDITION F0x_ QPERATION f                                3.1.1. 2 The $HUTDOW!4 MARGIN shall be 3 3.0% Ak/k.                                                                                                            ll APPLICABILITY: MODE 5
a. Pressuri2er level 1 90 inthes from bottom of the pressur'izer, '
b. Pressurizer level < 90 inches from bottom of the pressurizer and all i sources of non-borated water 1 88 gpm.

1 ACTION:

a. With the SHUTDOWN MARGIN < 3.0% Ak/k, immediately initiate and continue j boration at > 40 gpm of 2300 ppm boric acid solution or equivalent until
                                                                 ~

the required 5HUIDOWN f%RG1H is restored. , b. With the pressurizer drained to < 90 inches and all sources of non-borated water > SS gpm, it.nediately suspend all operations involving g positive reactivity changes while the SHUTDOWN MARGIN is increased to compensate for the additional sources of non borated water or reduce the sources of non-borated water to 1 BB gpm. SURVEllt.ANCE REQUIREMEff75

4. L1. 2 The SHUTDOWN MARGIN shall be determined to be 13.0% Ak/k: l
a. Within-one hour after detection of an inoperable CEA's) ( and at Y least once per 12 hou4s thereafter while the CEA(sfis inoperable. +
                                                .lf the inoperable CEA is imovable or untrippable, the above

'- required SHUTDOWN t%RGIN shall be increased by an amount at least- 4 equal to the withdrawn worth of the imovable or untrippable CEA(s)9 . L b. At least once per 24 hours by consideration of the following factors:

1. Reactor coolant system boron concentration, '
2. CEA position,
3. Reactor coolant system average temperature,
4. Tuel burnup based on gross thermal energy generation,
5. Xenon concentration, and L 6. Samarium concentration.

4 .1.1. 2 . 2 . With the pressurizer drained to 1 90 inches determine:

a. Within one hour and every 12 hours thereafter that the. level in the reactor coolant system is above the bottom of the hot leg nozzles, and
b. Within one hour and every 12 hours thereafter that the sources of non-borated water are < 88 gpm or the shutdown nargin has compensated for the additTonal sources.

gg4 CALVERT CLlTFS - UNIT.1 3/4 1-3 Amendment No. ABi 55

                    -MVERT-e+FFS- -tHfH                                                                                                  M;nd:::t L. 9
  -            . - _ .       _ . .     .         -. -__- - -           . _ - . . . _ -         . . .      - _ . - _ _ = - . - . _ _ - _ - _         __ - .         _-

l I R.t ACTit l'rY CONTROL SYSTM t t .1 ; t MD'J A BL E CONTROL ASSEMBLIES LIMITING CONDITION FOR OPER ATION

                           .%. I ..t.1   The CEA Motion inhibit and all shutdown and regulating CEAs+shall be OPERABLE with each CEA of a gisen group positioned within 7.5 inches                                                                -)(*

(indicated position) of all other CEAs in its group. APPLIC A BILITY: MODES l' and 2* - ACTION:

a. With one or more CEAs* inoperable due to being immovable as a result of excessisc friction or mechanleal interference or known to be 4C untrippable be in at least HOT STANDBY within 6 hours.
b. With the CEA Motion inhibit inoperable, within 6 hours either:
1. Restore the CE A Motion Inhibit to OPERABLE status, or
2. Place and maintain the CEA drive system mode switch in either' the
         ,                                      'Off' or any
  • Manual Mode
  • position andgrully withdraw all CEAs '

[ in groups 3 and 4 and withdraw the CEAs in group 5 to less than g3 5% insertion, or

3. Be in at least HOT STANDBY.
c. With one CEA inoperable # due to causes other than addressed by O ACTION a, above, and inserted beyond the Long Term Steady State Insertion Limits but within its above specified alignment requirements, operation in MODES I and 2 may continue for up to 7 days per occurrence with a total accumulated time of s 14 days per calendar ,

year.

d. With one CEA inoperable
  • due to causes other than adttessed by ACTION a, above, but within its above specified alignment requirements and either fully withdrawn or within the Long Term Steady State Insertion Limits if in CEA group 5. operation in MODES I and 2 m. y continue.

See Special Test Exceptions 3.10.2 and 3.10.4. Y ~10se_d h Y (%

CALVERT CLIFFS - UNIT 1 3/4 1 17 Amendment No.127 l _ . . .

l i RF ACTIVITT CONTROL S% STIN S LD1LIEG CONDITION FOR O P t R_A_llO N

e. With one or more CE Ai" misaligned from any other CE AS in its troup Ml by more than 7.5 inches but less than 15 inches, operation in h10 DES I and 2 may continue, prosided that within one hour the misaligned CEA(s) is either.
1. Restored to OPER ABLE status within its abose specified alignment requirements, or .
2. Declared inoperable. After declaring the CE A+ inoperable. 4" .,

operation in h10 DES I and 2 may continue for up to 7 days per occurrence with a total accumulated time of s 14 days per calendar year presided all of the following conditions are met;

a. The tiler 51AL POWER level shall be reduced to s 70% of the maximum allowable TllERh1AL POWER level for the existing Reactor Coolant Pump combination within one hour, if negatise reactivity insertion is required to reduce TilERh1AL POWER.

boration shall be used.

b. Within one hour after reducing the TilERh1AL POWER as required by a) above, the remainder of the CEAs t in the group with the inoperable CEA shall be aligned to within 7.$ inches t .p'.

3 of the inoperable CE A + while maintaining the allowable CEA .y sequence and insertion limits shown on Figure 3.1 -2; the TIIERh1AL POWER level shall be restricted pursuant to Specification 3.1.3.6 during substquent operation.

f. With one CEA* misaligned from any other CEA t in its group by 15 inches V or more, operation in h10 DES I and 2 may continue, provided that the misaligned CEAtis positioned within 7.5 inches of the other CEAdin its #

group in accordance with the time allowance shown in Figure 3.1-3 The pre-misaligned F[ value used to determine the allowable time to realign the CEA+from Figure 3.1-3 shall be the latest measurement n taken within 5 days prior to the CEA misalignment, if no measurements were taken within $ days prior to the misalignment, a pre misaligned F[ of 1.65 shpil be assumed.

g. With one CEA" misaligned from any other CEA"in its group by 15 inches M or more at the conclusion of the time allowance permitted in Figure 3.13, immediately start to implement the following actions:
1. If the THERh1AL POWER level prior to the misalignment was greater than 50% of RATED TilERh1AL POWER, TilERh1AL POWER shall be reduced to lets than the greater of:
                                           + Im.,o4 g n

CALVERT CLIFFS - UNIT I 3/4 i 18 Amendment No.127 4'

EE ACTIVITY CONTROL SYSTE AtS LIMITING CONDITION FOR OPER ATION 4 a) 50% of RATED TilERh!AL POWER ", b) 75% of the TilERh1AL POWER level prior to the misalignrnent within one hour after exceeding the time allowance permitted by Figure 3.1-3.

2. If the TilERhlAL POWER level prior to the misalignment was s 50%

of RATED TllERMAL POWER, maintain TilERhlAL POWER no higher . than the value prior to the misalignment. If negative reactivity insertion is required to reduce TllERhlAL POWER, boration shall be used. Within one hour after establishing the appropriate TliERhlAL POWER as required above, either:

1. Restore the CEA Y to within the specified requirements, or above alignment +
2. Declare the CEA4 inoperable. After declaring the CEA inoperable, @

POWER OPERATION may continue for up to 7 days per occurrence with a total accumulated time of s 14 days per calendar year provided the remainder of the CEAst in the group with the 9t [' inoperable CEA are aligned to within 7.5 inches of the inoperable CEA while maintaining the allowable CEA sequence and insertion limits shown on Figure 3.1-2; the TIIERhlAL POWER level shall be restricted pursuant to Specification 3.1.3.6 - during subsequent operation.

h. With more than one CEAYinoperable or misaligned from any other CEA in its group by 15 inches (indicated position) or more, be in at least d IlOT STANDBY within 6 hours.

1. For the purpous of performing the CEA+ operability test of TS 4.1.3.1.2, if the CEA has an inoperable position indication channel, the alternate indication system (pulse counter or voltage dividing . network) will be used to monitor position. If a direct position indication (full out reed switch or voltage dividing network) cannot be restored within ten minutes from the commencement of CEA motion, or CEA withdrawal . exceeds the surveillance testing insertion by

                                                                                                                 > 7.5 inches, the position of the CEA shall be assumed to have been > 15 inches from its group at the commencement of CEA motion.

I t T#M A M-

 !-       CALVERT CLIFFS - UNIT 1                           3/4 1-19             Amendment No. 2//, Jf, 127 l

- . _ . _ ~ . -. _ _ - . - . _ - - . _ - , . . _ . . , _ _ . _ _ - . _ _ . - . . . _ . - - 1 lEACTIVITY CONTHOL SYSTEMS SURVEILL ANCE REOUIREMEliTS ____=__ 4.1.3.1.1 The position of each CEA*shall be determined to be within 7.5 incies lp ' (indicated position) of all other CEA: in its group at least once per 12 hovrs except during time intervals when the Deviation Circuit and/or CEA hfbtion Inhibit are inoperable, then verify the individual CEA positions at least once per 4 hours. 4.1.3.1.2 Each CEA not fully laserted shall be determined to be OPERABLE by -y.- inserting it at leut 7.5 inches at leut once per 31 days. 4.1.3.1.3 The CEA hiotion inhibit shall be demonstrated OPERABLE at least once per 31 days by a functional test which verifies that the circuit maintains the CEA group overlap and sequencing requirements of Specification 3.1.3.6 and that the circuit also prevents any CEA from being misaligned from all other CEA: in its group by more trian 7.5 inches (udicated position).+ U

     + Zn5Ed b CALVERT CLIFFS - UNIT 1                    3/4 1-19A             Amendment No, 127

l . i l ' REACT!V!TY CONTROL $YSTEMS ] ( P0$1710N INDICATOR CHANNELS l LIMITING CONDITION FOR OPERATION 3.1.3.3 At least two of the following three CEA position indicator channels i i shall be OPERABLE for each shutdown and regulating CEd ., Y ,

s. CEA voltane divider reed switch position indicator channel, capable

] of deters ning the absolute CEA position within + 1.75 inchess ,

b. CEA
  • Full Out' or ' Full In" reed switch position indicator channel,_

] only if the CEA is fu'aiy withdrawn or fully inserted, as verified by cctuation of the applieble position indicatort and , L 4

c. CEA pulse counting position udicator channel.

e APPLICABILITY: MODES 1 and 2. !; + EU958 ' l' a.- - With a maxiom of one CIA *per group having its voltage divider reed V

switch position indicator channel or its pulse count' ng position i indicator channel inoperable and the CEA(s) with the inoperable
            ,    ,                          position indicator channel partially inserted, either:
1. Within 6 hours .,

A a) Restore the inoperable position indicator channel to l OPERABLE status, or

b) Be in at least NOT STANDBY _ or c) Reduce THERMAL POWER to < 705 of the maximum allowable i THERMAL POWER level for the existing Reactor Coolant Pop con 61 nations if negative reactivity insertion is required to reduce THERMAL POWER, boration shall be used. Operation
' at or below this reduced THERMAL POWER 1evel may continue
provided that within the next 4 hours either:

l 1) The CEA group (sfwith the inoperable position indicator l-t-- is fully withdrawn while maintaining the withdrawal sequence required by Specification-3.1.3.6 and when this CEA group reaches its fully withdrawn position, the " Full Out" limit of the CEA with the inoperable position indicator is actuated and verifies this CEA to be fully withdrawn. Subsequent to fully withdrawing this CEA group (s), the THEMAL POWEA level may be returned to a

                                                            -level consistent with all other applicable specifications and operation may continue per Specification 3.1.3.3 above;-

or

2) The CEA group (s[with the inoperable position indi-cator is fully inserted, and subsequently maintained fully inserted, while maintaining the withdrawal sequence and THERMAL DOWER level required by Specifica-( tion 3.1.3.6 and when this CEA group reaches its fully
       %                                                        ~
                                 + 5.ndert @                                                                                                            --K-L                                CALVERT CLIFFS - UNIT 1                          3/4 1-21                      Amendment'No. 32, 73, 84, ff, 108 -

E_i___________._--.__ _ _ _ _ _ _ - . _ . _ . . . _ . _ .._ . _ . _ _ _ 1,_ _

REACTIVITY CONTROL SYSTEMS P0$17!0N INDICATOR CHANNELS LIMITING CONDITION FOR OPERATION _ inserted ~ position, the " Full In" limit of tMe'CEA with the inoperable indicator is actuated and verifici'this CEA to be fully inserted. Subsequent operation shall be within the limits of Specification 3.1.3.6, and may continue per Specification 3.1.3.3 above.

2. or, if the failure existed before entry into MODE 2 e occurs prior ,

to an "all CEAs out" configuration, the CEA group (s ith-inoper- 4 able position indicator channel must be moved to the " Full Out" position and verified to be fully withdrawn via a " Full Out" indi- ' cator. These actions must be completed within 10 hours of entry into MODE 2 and prior to exceeding 70% of the maximum allowable THERMAL POWER level for the existing Reactor Coolant Pump combina-tion. The provisions of Specification 3.0.4 are not applicable. Once these actions are completed, operation may continue per ,

        .                                            Specification 3.1.3.3 above
b. With more than one CEA*per group naving its CEA pulse counting position
  • indicator channel and either (1) the " Full Out" or " Full In" position indicator, or (2) the voltage divider position' indicator channel inoper-able, operation in MODES I and 2 may continue for up to 24 hours provided
     . 1                                 that for the affected CEAs, either:
1. The CEA voltage divider reed switch position indicator channels are OPERABLE, or ,
2. The CEA " Full out" or " Full In" reed switch position indicator channels are OPERABLE, with the CEA fully withdrawn or fully inserted as verified by actuation of the applicable position indicator.

L SURVE!LLANCE REQUIREMENTS . 4.1. 3. 3.1 Each required CEA* position indication channel shall be detemined to

  • be OPERABLE by detemining CEA positions as follows at least once per 12-hours, by:
a. Verifying the CEA pulse counting position indicator channels and the CEA L voltage divider reed switch position indicator channels agree within L 4.5 inches, or i b. Verifying the CEA pulse counting position indicator channels and the CEA l " Full Out" or " Full In" reed switch position indicator channels agree
                                            -within 4.5 inches, or L
c. Verifying the CEA voltage divider reed switch position indicator channels and the CEA " Full Out" or " Full In" reed switch position indicator channels agree within 4.5 inches.

4.1.3.3.2 During time intervals when the deviation circuit is inoperable, the above verification of required CEAtposition indicator channels shall- be made at # 1 east once per 4 hours.

                                + Iesuv A Amendment No. gg, N, pf, PO g

CALVERT CLIFFS - UNIT 1 3/41-22 l: L y . ..-.;. . . , . . . _.a . _ _ _ . . _ _ _ _ _.._.~__--____.__._u.__..__ - , _ _ . _ . _ _ _ _ _ , . , . - , . -

REACTIVITY CONTROL SYSTEMS [ .

   /    . CEA 000P TIME LIMITING CONDITION FOR OPERATION The individual full length (shutdown and control) CEA+ drop           4 time 3.1.3.4 from a fully withdrawn position, shall be f 3.1 seconds from when the electrical power is interrupted to the CEA drive mechanism until the CEA reaches its 90 percent insertion position with:

f 0

a. T,yg 2 515 F, and
b. All reactor coolant pumps operating.

APPLICABILITY: MODES I and 2. ACTION: a. With the drop time of any full length CEA* determined to exceed the + above limit, restore the CEA drop time to within the above limit prior to proceeding to MODE 1 or 2. b. With the CEA drop times within limits but determined at less than full reactor coolant flow, operation may proceed provided THERMAL POWER is restricted to less than or equal to the maximum THERMAL POWER level allowable for the reactor coolant pump combination operating at the time of CEA drop time determination. 7 SURVEILLANCE REQUIREMENTS 4.1.3.4 The CEA drop time of full length CEAs#shall be demonstrated through h measurement prior to reactor criticality:

a. For all CEAs following each removal of the reactor vessel head, j
b. For spuifically affected individual CEAs following any maintenance  ;

on or modification to the CEA drive system which could affect the r drop time of those specific CEAs, and

c. At least once per refueling interval, I

l i l ' I I C -

                 +     3.rcert @

AmendmentNo.J2HJU/!f CALVERT CLIFFS UNIT 1 3/4 1 23 J.xt#w k Ilf### '

               -CAL"ERLcuf" = TWIT =t -

REACTIVITY CONTROL SYSTEMS SHUTDOWN CEA INSERTION LIMIT LIMIT!NG CONDITION FOR OPERATION 3.1.3.5 All shutdown CEAs shall be withdrawn to at least 129.0 inches. I APPLICABILITY: MODES 1 and 2**. ACTION: With a maximum of one shutdown CEA withdrawn, except for surveillance testing pursuant to Specification 4.1.3.1.2 to less than 129.0 inches,- l within one hour either:

a. Withdraw the CEA to at least 129.0 inches, or j
b. Declare the CEA inoperable and apply Specification 3.1.3.1.

SL'RVEILLANCE REQUIREMENTS 4.1.3.0 Each shutdown CEA shall be determined to be withdrawn to at I least 129.0 inches:

a. Within 15 minutes prior to withdrawal of any CEAi"in regulat- K-ing groups during an approach to reactor criticality, and
b. At least once per 12 hours thereafter.
            ' ee S  Special Test Exception 3.10.2.
             #With K,ff 3,1. 0 4
             + Lwb A

- CALVERT CLIFFS-UNIT 1 Amendment No. 28 CALVERT CLIFFS-UNIT 2 3/4 1 24 Amendrent No.13 1

7 J

                                       . REACTIVITY        CONTROL SYSTEMS REGULAT!NG CEA INSERTION LIMITS,

{!MITING CONDITION i L A OPERATION 3.1.3.6 The regulatigngCEA+ groups shall be limited to the withdra'wal sequence._g and to the insertion Ifmits shown on Figure 3.12 (regulating CEAs are considered to be fully withdrawn in accordance with Figure 3.1 2 when withdrawn l to at least 129.0 inches) with CEA insertion between the Long Tem Steady State Insertion Limits and the Transient Insertion Limits restricted tot

a. 1 4 hours per 24 hour interval,
b. ~
                                                            < 5 Effective Full Power Days per.30 Effective Full Power Day interval,and
c. 1 14 Effective Full Power Days per calendar year.

6 APPL.!CABILITY: MODES 1* and 2*f. ACTION:

4. With the regulating CEA* groups inserted beyond the Transient . g Insertion Limits, except for surveillance testing pursuant to Specification 4.1.3.1.2, within two hours either:
1. Restore the regulating CEA groups to within the limits, or
2. Reduce THERML POWER to less than or ecual to that fraction of RATED THERMAL POWER which is allowet by the Cr.A group position using Figure 3.1-2.

l

b. With the regulating CEA f groups inserted between the Long Term -%-

Steady State Insertion Limits and the Transient Insertion . Limits for intervals > 4 hours per 24 hour interval, except during operations pursuant to the provisions of ACTION items

c. and e. of Specification 3.1.3.1, operation may proceed provided either:
1. The Short Ters Steady State Insertion Limits of Figure 3.1-2 are not exceeded, or
2. Any sub6Muent increase in THERMAL POWER is restricted to 1 5% of RATED THERML POWER per hour.
  • See Special Test Exceptions 3.10.2 and 3.10.4.

f Wi th K,f f .>.,1,0. . t "Irsbert D CALVERT CLIFFS - UNIT 1 3/4 1-25 Amendment No. 28,108

  - - - . - -              ,             - . , , ,,                             ~-o.,,,_.w ir,y,                 -
                                                               --w-...-rwr                    .,  y.    , , , + , - - . = , _ , . -r_-._m,--
  ~~':: 1 ..T.: .... :: = = =                                                                                              ....

REACTIVITY CONTROL SYSTEMS l-LIMITING CONDITION FOR OPERATION (Continued) . 'J

c. With Steadythe regulating State Insertion CEA L ksits and the Transient Insertionroups inse Limits for intervals > 5 EFPD per 30 EFPD interval or > 14 EFPD per calendar year, except during operations pursuant to the provisions of ACTION items c. and e. of $pecification 3.1.3.1. either: ~

Restore the regulating groups to within the Long Tem l

1. i Steady State Insertion Limits within two hours, or
2. Se in at least HOT STAND 6Y within 6 hours.
                                                                                                                                                                                                                           .                        1
                                             $URVE!LLANCE RE00!REMENTS 4r-4.1. 3. 6                    The position of each regulating CEA* group shall be detemined to be within the Transient Insertion Limits at least once per 12 hours except during time intervals when the PDIL Alam Circuit is inoperable, then verify the individual CEA positions at least once per 4 hours. The accumulated times during which the regulating CEA groups are inserted beyond the Steady State Insertion Limits but within the Transient Insertion                                                                                                                (

Limits shall be determined at least once per 24 hours. l l

                                                + s.nsut @                                                                                                                                                                         4 CALVERT CLIFFS - UNIT 1                                                                         3/4 1-26

_ . . _ , , _ _ . _ , . . , . . , _ _ . . . . _ _ _ , _ , _ _ _ . . . _ . . , . , _ _ _ . , _ . _ . , _ _ _ . _ _ . , . _.m.

_ _ _ _ _ . _ _ _ . - _ . _ _ - - . _ _ _ _ . _ _ _ . s___ e a POWER DISTRISUTION LIMITS l3/4.2 LINEAR HEAT RATE LIMITING CONDITION FOR OPERATION 3.2.1 The linear heat rate shell.not exceed the limits shown on Figure 3.2-1. ADPLICABILITY: MODE 1. ACTION: With the linear heat rate exceeding its limits, as indicated by four or -

                  ,           more coincident incere channels or by the AX1AL SHAPE INOL.:' outside of the power dependent control limits of Figure 3.2-2, within 15 minutes initiate corrective action to reduce the linear heat rate to within the
          .                    limits and either:
a. Restore the linear heat rate to within its l'imits witnin one hour, or
b. Be in at least HOT STANDBY within the next 6 hours.

SURVEILLANCE REOUIREMENTS 4.2.1.1 The provisions of Specification 4.0.4 are not applicable. 4.2.1.2 The linear heat rate shall be determined to be within its limits by continuously monitoring the core pcwer distribution with either the excore detector monitoring system or with the incere detector monitoring system, 4.2.1.3 Excore Detector Monitorine System - The excere detector moni-tcring system may oe useo for monitoring the core power distribution by:

a. Verifying at least ence per 12 hcurs that the full length CEAs* '*"

are withdrawn to and maintained at or beyond tne Long Term l Steady State inse'rtion Limit of Specification 3.1.3.6.

b. Verifying at least once per 31 days that the AX:AL SKAFE INDEX alarm setacints are adjusted to within the limits shcwn on Figure 3.2-2.  :

{

                             + Ime a                                                                                                        +

CALVERT CLIFFS - UNIT 1 3/4 2-1 Amendment No. 27,33

                   ,       e
                 .                                                                                                              j POWER DISTR: E '.'T I C': Liv'T5 TOTAL PLA'J'. RA;;k. PEAR.ING FA 70R Th LIM! TIN 3 C0CITION FOR OPERATI0'l T           I 3.2.2.1 limited toThe      < 1.70.calculated value of F*#, defined as F*# =F *#(1+TQ ), shall be APBLICABILITY: MODE               l'.

I a CT! 0'l: With F'xy > 1.70, within 6 hours either: l

a. Reduce THERMAL POWER to bring the combinatier cf THERfiAL POWER and F' y to within the limits of Figure 3.2 3a and witheraw the full length CEAs# o t or beyond the Long Term Steady State g Insertion Limits of Specification 3.1.3.6; or
                        !                 b. Be in at least HOT STANDBY.

SURVE!LLANCE REOUIREMENTS 4.2.2.1.1 The provisions of Specification 4.0.4 are not applicable. i

4. 2. 2.1. 2 F*3# shall be calculated by the expression*# F' =F *#(1+T4 ) and T

F xy shall be determined to be within its limit at the following intervals:

a. Prior to operation above 70 percent of RATED THERMAL POWER-a f ter each fuel leading,
b. At least once per 31 days of accumulated operation in MODE 1
                              -               and
c. Within four hours if the AZI!!UTHAL POWER TILT (7 ) is > 0.030.

9

                     'i
                           'See Special Test Exception 3.10.2.

p

                           + 3.nsert                     @                                                      :

CALVERT CLIFFS - UNIT 1 3/4 2-6 Amencment No,'32, 33, 42,y/t, p 3 e

POWER DISTRIBUTION LIMITS - 1 l SURVEILLANCE REQUIREMENTS (Continued) T 4.2.2.1.3 F xy shcIl be determined each time a calculation of F xy is required I by using the incore jetectors to obtain a power distribution map with all full length CEAs at or above the Long Term Steady State Insertion -X-Limit for the existing Reactor Coolant Pump combination. This determina ~ tion shall be limited to core planes between 15% and 85% of full core ' height inclusive and shall exclude regions influenced by grid effects. T 4.2.2.1.4 T qshall be determined each ime a calculation of Fxy is required l and the value of Tqused to determine F xy shall be the measured value of q. l \ l g

                  + 2n se.d @                                                                    W CALVERT CLIFFS-UNIT 1                                   Amendment No. 27,77,71 3/4 2-7 i

l

POWER DISTRIBUTION LIMITS TOTAL PLANAR RADIAL PEAKING FACTOR - Fh LIMITING CONDITION FOX OPERATION 3.2.2.2 The value of N presently used in Specification 4.2.1.3 shall be in ~ accordance with Figure 3.2-3b. APPLICABILITY: MODE 1 when operating in accordance with Specification 4.2.1.3. ACTION: With the value of N presently used in Specification 4.2.1.3 exceeding the limit shown in Figure 3.2-3b, within 6 hours either:

a. Reduce the value of N used in Specification 4.2.1.3 to within the limits of Figure 3.2-3b; or b.- Be in at least HOT STANDBY.

SURVEILLANCE REQUIREMENTS

 ^

4.2.2.2.'l The provisions of Specification 4.0.4 are not applicable. . T

                  '4.2~2.2.2      F xy shall be calculated by the expression F          =F xy(1+T)andN q

shall be determined to be within its limit by monitoring F*Y at the following inter 1s: -

                         -a. Prior to operation above 70 percent of RATED THERMAL POWER l                              af ter each fuel loading,                           .
b. At least once per 3 days of accumulated operation in MODE 1.

4.2.2.3- F xy shall be. determined each time a calculation of F[y is required by using the incore detectors to obtain a power distribution map with all full length CEAs t at or above the Long Term Steady State Insertion Limit for the

                                                                                                           -fq -

existing Reactor Coolant Pump combination. This determination shall be limited to core planes between 15% and EFT of full core height inclusive and shall

                  ~ exclude regions influenced by gr- tffects.
                                                          ~

4.2.2.2.4 Tqshall be determined each ime a calculation of Ffy is required and the value of Tqused to determine F,y shall be the measured value 'of Tq .

                   +      "In:H'rt @                -

g CALVERT CLIFFS - UNIT 1 3/4 2-8 Amendment No. 71

j (: POWER DISTRIBUTION LIMITS TOTALINTEGRATEDRADIALPEAKINGFACTOR-Ff _ LIMITING CONDITION FOR OPERATION 3.2.3 The calculated value of FTr , defined as FT = F (1+T ), shall be limited to ,< 1.650. r r q APPLICABILITY: MODE 1*. ACTION: With Ff >-1.650 within- 6 hours either:

a. B'c in at least HOT STANDBY or
b. Reduce THERMAL POWER to bring the combination of THERMAL POWER and T

F to within the limits of Figure 3.2.3c, withdraw the full length [ CEAs*to or beyond the Long Term Steady State Limits of Specification fi T 3.1.3.6. and insert new value of F in BASSS; or

c. Reduce THERMAL POWER to bring the combination of THERMAL POWER and
  -{                                                         ~
                                          . Ff to within the limits of Figure 3.2-3c and withdraw the full length                I CEAs+to or beyond the Long Term Steady State Insertion Limits of Specification 3.1.3.6.       The THERMAL POWER limit determined from
                                                                                                                                +

Figure 3.2-3c shall then be used to establish a revised upper THERMAL I POWER level limit on Figure 3.2-4 (truncate Figure 3.2-4 at the allowable fraction of RATED THERNAL POWER determined by Figure 3.2-3c) and subsequent operation shall be main.tained within the 3 reduced acceptable operation region of Figure 3.2-4. SURVE!LLANCE REQUIREMENTS 4.2.3.1 The provisions of Specification 4.0.4 are not applicable. 4.2.3.2 Ff shall be calculated by the exprission Ff = F r(1+Tq) and Ff shall be determined to be within its limit at the following intervals:

a. Prior to ' operation above 70 percent of RATED THERMAL POWER afte; each fuel loading,
b. At least once per 31 days of accumulated operation in MODE 1, and k c. Within four hours if the AZIMUTHAL POWER TILTq(T ) is > 0.030.

IFee Special T st Exception 3.10.2. v,

                  + Intred @A                                                                                                   ^

CALVERT CLIFFS - UNIT 1 3/4 2-9 Amendment No. 32, 33, 29, 4 , 71 8 8

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

      ~

SURVEILLANCE REQUIREMENTS (Continued) T 4.2.3.3 F rshall. be determined each time a calculation of- F p is required byusingthe11ncorejetectors-toobtainapowerdistributionmapwith R-all full-length CEAs at or above the Long Term Steady State Insertion Limit for the existing Reactor Coolant Pump combination. T l 4.2.3.4 T -shall be detennined each time a calculation of- F r_ is required q and the value ofq T 'used to determine Ff shall be the measured4value of T e F

                                                                                                                                                                   'r
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as 4' A. t' ('

                              + 2nsert A                                                                                                               f Amendment No; 21. 32 CALVERT CLIFFS - UNIT 1                                          3/4 2-10

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               ,.y
                .             \'

j j l/a.10 SPECIAL TEST EXCEDTIONS f l! SFUTDOW'1 MAD.3IN; )

                       -l!  i I

l LIMITING CONDIT!CN FOR OPEDATION I- . 3.10.1 The SHUTOOWN MARGIN requirement of Specification _ 3.1.1.1 may be suspended for measurement of CEA worth and shutdown margin provided reactiv-ity ecuivalent to at least the highest estimated CEA worth is available for trip insertion from OPEDASLE CEA(s). APPLICABILITY: MODE 2.

   .-                            ACTION:

T

                                        -a. With any full length CEA       not fully inserted and with less than thi above reactivity equivalent available for trip insertion.

p

          .-                                   immediately initiate and continue boration at > 40 gpm of 2300 ppm boric acid solution or 'its equiv lent untiT the SHUTDOWt' i!-i                 -MARGIN required by Specification 3.1.1.1 is restored.                            '

b.- With all full length CEAsiinserted and'the reactor subcritical -)(-- by less than the above-reactivity equivalent, imedia.ely-initiate and continue beration at > 40 gpm of 2300 ppm boric i

   -(,                                         acid solution or its equivalent unTil the SHUTOOWN MARGIN                       ,

required by. Specification 3.1.1.1 is restored. , 4 SURVEILLANCE REOUIREMENTS 4.10.1.1 : The _ position of each full length CEAIrequired either partially or -)4 - L fully withdrawn shall=be' determined at least once per 2 hours. 4.10.1.2 Each CEA Y not fully inserted shall' be demonstrated capable of full  %- insertion when tripped from at least the 50% withdrawn position within 7 days crior to reducing the SHUTDOWN MARGIN to less than the limits of-  ! Specification 3.1.1.1. j i l i I+ 5nd &  ! W il CALVERT CLIFFS - UNIT'l 3/4 10-1 Amendment No. 22, /2,104 9 l:-}}