-

REACT nliY COMiROL SY51 EMS

ODSHUTDOWN MARGIN - Tava 1

-

j .. LIMITING CONDITION FOR OPERATION

_ . . .

A [,3.1.1.2. | The SHUTDOWN M RGIN shaTT be > 3.0% ak/k. . .

. . . . - ... ..- .... . . . . . . . . . -. . . .

~ ~ " ' ~ ~ ~ - ~ ' ~ " ' ' ' ' ~ ~

APPLICABILITI5 MODE 5. . .

..

gr. Pressurizer level ,> 90 inches from bottom of the pressurizer.,

D T.;;;;rt:;r 1 v; 3 .C in;h;; fr;.- b;;t:r :' th: pr:::uri::r :hi :11*-

- ::urce: : f ;..- ww. ; t . i - w . m ; os spa..

~

I ACTION: -

_ . - . ...

With the SHUTDOWN MARGIN < 3.0% ak/L,. immediately initiate and continuea.boration at 3,~40 gpm.cf 2300 ppm boric acid solution or equivalent untilthe required SMUTDOWN MARGIN is restored. . .

,.

- 5. ue.w .w. 7. : 3 5 ;, ,, , ; ,,,; _ :, ;; ; , , , , , ,, ,,; , , , , ; ;, ,7,,,,,... --

,,,,

b: i' a d v= - ' 22 ;;m, 'm::di::::. :;: d C.' :;;r::f:n: '-":'"'ng'

.h> il . .;.m Invivuna nnnuin is increcac.. ,.;, p::i ti": :::ti"'t" :h: ;;; . . - -

idd''#:n:1 ::..... .f ...n-;c :::d .:::r :: c....e.c.r r:n::tc #r '5- .

*a < ocs s nn .kn-s' a A wa me-. .7. ,7.the can-ame a

SURVEILLANCE REOUIREMENTS'''-~ -~ - - ' ~ --

,m_,

. _ _

4.1.1.1,lThe SHUTDOWN MARGIN shall be determined to be 3,3.0% Ak/k: [.

=-

.:::. :: i-.-

-.-

.

Within one hour after detection of an inoperable CEA(s) and at,

a.least once per 12 hours thereafter while the CEA(s) is ino.perable.-

If the inoperable CEA is immovable or untrippable, the aboverequ. ired SHUTDOWN MARGIN shall be increased by an amount at leastequal to the withdrawn worth of the immovable or untri'ppable CEA(s).

.

b. At least once per .24 hours by consideration of the followingfacto rs :,. ' -;_ - .; _;_ .,

-

! 1. Reactor coolant system boron concentration,2 '. CEA position,-

3. Reactor coolant system average temperature,4. Fuel burnup based on gross thermal energy generation,5. Xenon . concentration, and

i6. Samarium concentrat. on..

. . ... w;t:rm.::-,

w.....c.4. n1La cae pressus.asi w.m.new .a 2 su invoc2. . .-

"' thin;b.;'et'~ :nd :v;. , ^ ovui s .Lc4 cs itmi .ha. :h; 1:::12-

.2 above one L v . .. ... cf thela 'be :::t;r ::51:nt ;;;tm...

ha+ 1am a n. _ ,_1 . e , .s a. A _.

..

-. ,

=~

,

,", G ; 3; _

* Man hOffP 2nd auswu 1] b; 7; ,,,g c ,,,g, , , ,

=--, , _ , ,h, Uithia .

37 naa knr='ad water are _< AA aa- c 'ha e'"'d-u" --.4a 5=<..

~"= '''''*- ' --" -='o c-"v-"c='ad in" -- - -- - - - ----

810327060 - -

CALVERT CLIFFS - UNIT 1 3/4 1-3 Amen'dment No. 48'

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

'. REACTIVITY CONTROL. SYSTEMS''

SHUTDOWN MARGIN - T,y, < 200 F_,

. .

sE .__ LIMITING CONDITION FOR OPERATION-

W'_

3.1.1.2,1The SHUTDOWN MARGIN shaTT be > AMIS ak/k . . |- .-- -- ... - . . . . . . . . _ _ . . . . . . . . . , , ,, ,

" -- ~ ~ ' -"" - '~" ' - ~ - - - -

APPLICABILITY:. MODE 5

t. ':: r #::r i .d OC # $ c. $.; ' .~. .:.. vT .. r d i m .4. Pressurtzer level '< 90 inches from bottom of the pressurizer and all-

sources of non-borated water < 08 gpm..w

ACTION:-

.

. . . __ E .'

49With the SHUTDOWN MARGIN < h:tS ak/k,. immediately initiate and continuea.boration at >.'40 gpm.of 2300 ppm boric acid solution or equivaient until

. . |the required SHUTDOWN MARGIN is restored. ,.

.=:...b With the pressur$;ptr drained to < 90 inches and all sources of non-

.t borated water > 60 gpm, immediately suspend all operations involving_

~

.,. 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 < 46 gpm.- ~ vy

i ~' SURVEILLANCE REQUIREMENTS'~"- - - ' ~ - " - - --

EEE - %:r>EEEF

.

4.1.1.2.t The SHUTDOWN MARGIN shal1 be. determined to be peOS ak/k: -

.

! '. . .

. . .

. . .ne hdur' after- d' tection of an inoperable CEA(s) and at. ..

'

a. Within eleast once per 12 hours thereafter while the CEA(s) is inoperable..

If the inoperable CEA is immovable or untrippable, the aboverequired SHUTDOWN MARGIN shall be increased by an amount at leastequal to the withdrawn worth of the immovable or untri' pable CEA(s).

-

p

b. At least once per .24 hours- by consideration of the followingI factors: - ; ,e

_,

1. Reactor coolant system boron concentration,2. CEA position,-

3. Reactor coolant system average temperature,4. Fuel burnup based on gross thermal energy generation,5. Xenon . concentration, and6. Samarium concentration. .

.

,

4.1.1.2.E With the pressurizer drained to < 90 inches determine:_,

Within one hour and every 12 hours thereafter that the levela.in the reactor co61 ant system is above the bottom of the

~

-hot leg nozzles, and

E=E.b. Within one hour and every 12 h,oyrs thereafter that the sources*

ss= of non-borated water are < 40 'g'pm or the shutdown margin has'-

_

compensated for the additional sources.,

'

''

CALVERT CLIFFS - UNIT 1 3/4 1-3 Amendment No. 48_ __

- - - - - ,-- ,- -

q jp qy;p-

C

i .-

TABLE 3.3-1 (Continued)_'

g .

GREACTOR PROTECTIVE INSTRUMENTATIONg

.-t .

n .

C' HINIMUM* *- -

iAPlLICABLETOTAL N0. CilANNELS CllANNELS3' '

..

FUNCTIONAL UNIT 0F CilANNELS TO TRIP OPERABLE H0 DES ACTION.. * '-

,

'

E 11.' Wide Range Logaritinic Neutron - '/'

'

-i Flux Monitor'

'

.

a. Startup and Operating--Rate'

of Change of Power - liigh 4 : 2(d)~

3(f) 1, 2 and * 27..

,g ..|.,-

::'' b.' Shutdowr)' ri sc :A- 4 0 'i. 2 3, 4, 6 3.z, ..

3's) I,'. vi 9 r~ c .- SL Wn~ ~ 6:/&fr A4~ ,C.. O :* ~- -

. 12, Reactor Protection System i .6 1 : 6 1, 2 * 4,

,- *.

' '

- Logic Matrices 3. ..

.- . . . . .

"'

'13. Reactor Protection System 4/Hatrix 3/ Matrix 4/Hatrix 1, 2* 4'

Logic Matrix Relays - -.

R -

''

14. Reactor Trip Dreakers 8 6 0 1, 25' 4

.

.

*.

8

t

0

. , . . _ . . . . . . . . . ..

..

-

$

. |-,

. .

.

TABLE 3.3-1 (Continued)h ..

2"_. TABLE NOTATION _

;I

1rWith the protective. system trip breakers in the closed position and -!|the CEA drive system capable of CEA withdrawal. I

The provisions of Specification 3.0.4 are not applicable. , f'#'

(a) Trip may be bypassed below 10-4 of RATED THERMAL POWER; bypass shall'

be automatically removed when THERMAL POWER is > 10' of RATED- '

THERMAL POWER.

(b) Trip may be manually bypassed below 685 psia; bypass shall .be --

automatically removed at or above 685 psia._

| (c) Trip may be b'ypassed'below 15% of RATED THERMAL POWER; bypass'

! shall be automatically removed when THERMAL POWER is > 15% of'-

RATED THERMAL POWER.

(d) Trip may be bypassed below 10-4% and above 12% of RATED THERMAL

| POWER. ,

_ (e) Trip may: be bypassed during testing pursuant to Special Test Excep- i.

EE tion 3.10.3.'

!_=- -

_

(f). There shal;l be at least two decades of overlap between the Wide =|

L ~ Range Logarithmic Neutron Flux Monitoring Channels and the PowerRange Neutron Flux Monitoring Channels. ;

*

_

ran N V:Je .6 - fu (L s < 4 . // L a ,A ..:J s w:14 e ah,wwi w

M s:H */er_f, ne suudoe d least M w:<..J-< LaGry

6 f:each is - 4:e.</ :, He en f of a. :., ,2 .,e f. 1

1 -.- w :...

.

N

E=

.

.

Fa=u

;

ACTION STATEMENTS '

.

ACTh0N1 With the' number of channels OPERABLE one less than-

required by the Minimum Channels OPERABLE recuirement,restore the inoperable channel to OPERABLE status within!

!

48 hours or be in HOT STANDBY within the next 6 hoursand/or open the protective system trip breakers.

With the number of OPERABLE channels one less than theACTION 2 -

Total Number of Channels, STARTUP and/or POWER OPERATIONmay proceed provided the following conditions are satisfied:

The inoperable channel is placed in either the bypasseda.or tripped condition within 1 hour. For the purposesof testing and maintenance, the inoperable channel may

>

be bypassed for up to 48 hours from time of initial loss'

of OPERABILITY; however, the inoperable channel shall

$5then'be either restored to OPERABLE status or placed in

'__

!the tripped condition.~

ess.L, =

|CALVERT CLIFFS - UNIT 1 3/4 3-4 , Amendment No. 48

.

.

I

|

|

l

.

----_

|

9 a.'4-nre Ga s ad !!tc 1c C- To-

-

,

1

TABLE 3'.3-1 (Continued).

',

,,,,,;,,,,, .

:ACTION STATEMENTS'

,._

EE~~

- s..

.

~b. Within one hour, all functional units receiving aninput from the inoperable channel are also placed inthe same condition (either bypassed or tripped, asapplicable) as that required by a. above for the .

' inoperable channel.,' '

-

- c. ( The Minimum Channels OPERABLE requirement is met;.

._ however, one additional channel may be bypassed fer

.up to 48 hours while performing tests and maintenance

- - . on that channel provided the other inoperable channei[_ is placed in the tripped condition.

With the number' of channels OPERABLE one less than required~

ACTION 3 -

.

by the Minimum Channels OPERABLE requirement, verify compli-= - ance with the SHUTDOWN MARGIN requirements of Specification..

3.1.1.1 or 3.1.1.2, as applicable, within I hour-

and a.t least once per 12 hours thereafter.:-

.

With the number of channels OPERA 5LE one less than recuired '

ACTION 4 -

by the Minimum Channels OPERABLE requirement, be in HOT,

- '

L'. ' STANDBY within 6 hours; however, one channel may bebypassed for up to I hour for surveillance testing per._, .

==.== . ; .

._ Specification 4.3.1.1..

-

.- .-.

. . .: g-.

VY S~ - i!a:K /*a Nh;*- M reg .i.< / d. w &A; - m.g/~

9- %:4. Acs :M ma v.etc < ,.s s , 4,q a..,...

. .

~ - !.c..a nt m g nur he .ch w d f W w m: R __

' #'#'

|j,,y ,,c.. p:a.oq k va@*e : 4 ad d '~*~

. .. -

. : .

p .yk 4'~ ,-

>_

, .:-

-_

'. ;- ;, ~.

| .- ..

,...

-

L .

..,

- --

*

T - - _ :- } .

' " ,

=_

|. i h E. : ' p. ; .

:- -..'

.~. - i, 3. 7. ?-

.

.'., .

i

- -; ,- .

. -*. ,, .

. .. ,

*-

.,: :> ~ .. ;|> . -.

.~

*

.u .a ,

.. ,.

-. .

. :c. .. ,

. -

Q *

CALVERT CLIFFS - UNIT 1 3/43-55~

.

.

e- ,m ---

II }i l! W||'"'

y ji~ '

-

'

TABLE 4.3-1 (Continued)_-

9h REACTOR PROTECTIVE lilSTRUMENTATION SURVEILLANCE REf)UIREMENTS

-

Fi.,.: . -.

CllAllHEL H0 DES IN WillCilI >- .; : ;..c,

C CilANNEL . CllANNEL FUNCTIONAL SURVEILLAtlCE

FUNCTIONAL UNIT . 1 i., a:..,,,,.,. ,CilECK CALIBRAT10H_ TEST REQUlitED;j -

"' -

,

S/U(1) 1, 2, 3, 4 -

R(5)E 11. Wide : Range Logaritimile Heistron:.. ; S

. ,t, 'i' '..f

.,

F 5 and *-

''

A Flux Honitor ,5: : ,

* .- t, r i. ';, y, ' '# ,, .-*

Nb l- '''a

12.. Reactor Protection System .

N.A. H and S/U(1) - 1, 2-

N.A. .

i ,Logic Hatrices ,, g ,,. .,.

- .

li i . ..a- .

'' *

.13,' Reactor Protection System '. H and S/U (1) 1, 25: Logic Matrix Relays J... H.A. fl. A.

, . .

.- .

R 14. Reactor Trip ilreakers ; ii; N.A. H.A. H 1, 2 and *'

'..

.b Y' O c,

* -

ton ' :e. .e. |g. p((,) st/1e .

l ^'d *

C.;/o'& ;h A'~~b ||<* . . s

.

.

- .. ..

.

.

'.

.

%

'IIII' dim _ _ _

g __ [- * - - -

-.

,'

.- ., ,

C

5=*

TABLE 4.3-1.(Continued)

TABLE NOTATION,,

! * With reactor trip breakers in the closed position and the CEA-

L drive system capable of CEA withdrawal.

(1) If not performed in previous 7 days.-

t

(2) Heat balance only, above 15% of RATED THERMAL POWER; adjust-

" Nuclear Power Calibrate" potentiometers to make the nuclearpower signals agree with calorimetric calculation if absolute,

difference is > 1.5%. During PHYSICS TESTS, these dailyi calibrations of nuclear power and AT power may be suspendedj provided these calibrations are perfonned upon reaching each

major test power plateau and prior to proceeding to the nextmajor test power plateau.

| (3) Above 15% of RATED THERMAL P0 ER, recalibrate the excore-

i detectors which monitor the AXIAL SHAPE INDEX by using theincore detectors or restrict THERMAL POWER during subsequentoperations to < 90% of the maximum allowed THERMAL POWER level

_ with the existing Reactor Coolant Pump combination.'

EEE

E (4) Above 15% of RATED THERMAL POWER, adjust "aT Pwr Calibrate" --

potentiometers to null " Nuclear Pwr - AT Pwr". During PHYSICSTESTS, these daily calibratio'ns of nuclear power and aT power

j may be suspended provided these calibrations are performedupon reaching each major test power plateau and prior to pro-

. ceeding to the next major test power plateau.'

(5) Neutron detectors may be excluded from CHANNEL CALIBRATION.-

|

(g) gJ </m &pm|Y**y=** ^ &*~ W W U'

) #.

2.

.

*.

' '

.

c==-

G.,

,CALVERT CLIFFS - UNIT 2 3/4 3-9 Amendment No. 6

- .- .- .

.'.

i3.9.2 As a minimum, two source range neutron flux monitors shall be operating, each

with continuous visual indication in the control room and one with audible indication in

the containment and control room. At least two source range neutron flux monitors shall

have alarms capable of alerting the coerator at least 30 minutes before criticality in the

event of an inadvertant boron dilution.

!

APPLICABILITY: MODE 6.

||

ACTION:

a. With less than 2 source range flux monitors operable, immediately suspend all

operations involving CORE ALTERATIONS or positive reactivity changes.

|

b. With less than two source range flux monitor alarm functions operable.

monitor RCS boron and/or at least two WRLC signals at a frequency such that the

operator will be alerted at least 30 minutes before critiricality is reached in the

event of an inadvertant boron dilution.

c. The provisions of Specification 3.0.3 are not applicable.

1

!!

._ ______

*. .

- -. .

~

REFUELING OPERATIONS

INSTRUMENTATION, .

.

~

LIMITING CONDITION FOR OPERATION <

-

x

:1.9.2 minimum, two source range neutron flux monitors s e

perating, e with continuous visual indication in the roomo

i.nd one with aud indication in the containment an trol room .

APPLICABILITY: MODE 6.~

-

. . .,

ACTION: . s ; ,- ;- -: - , ' :- .;

k ith the requiremehts of above spec cation not satisfied,insnediately suspend operations involvin RE ALTERATIONS or

*

p ositive react y dhanges. The provisions of ification..0.3 are applicable. y

,

'

_

>, z . --. _ . . .

> . . . .. . ....

.. :t .

' . * ' * 7-. .

..,.~

.'s.. ... ' . (..

, ' .- ' . . J: .-

:. . . . ...

..

_*

. _.n:.... -

. .

'

SURVEIll.ANCE REQUIREMENTS.

~

._. .. .. . _..,

_; .

,

. __ . 7_ _ ,

4.9.2 Each source range neutron flux monitor shall be demonstratedOPERABLE by perfonnance of-

-- ..

a. A CHANNEL FUNCTIONAL TEST at least once per 7 days.

b. A CHANNEL FUNCTIONAL TEST within 8 hours prior to the initial! start of CORE ALTERATIONS, and|

| c. A CHANNEL CHECX at least once per 12 hours during CORE

| ALTERATIONS.

- oL AJJada.6f s/ '~t%< abru setpi.J f. 's;z ree- A4 &* MedeW

y+p.s a+ fou?~o~a )<.~ sv A, s.

.

r

|

| C;.

CALVERT CLIFFS - UNIT 1 3/4 9-2

- - _ . - , __ _ . .-