ML20205A306

Rev 2 to Emergency Operating Procedure EOP 580, Containment Control Emergency Procedure

ML20205A306
Person / Time
Site:	Millstone, Haddam Neck, 05000000
Issue date:	05/20/1988
From:	Kraemer R, Palmer R CONNECTICUT YANKEE ATOMIC POWER CO.
To:
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ML20204H467	List: A07413, Forwards Specific Emergency Operating Procedures for Use During Incident Response Ctr Activation ML20204H704 ML20204H734 ML20204H868 ML20204H928 ML20204H963 ML20204J027 ML20204J039 ML20204J092 ML20204J109 ML20204J115 ML20204J120 ML20204J128 ML20204J133 ML20204J139 ML20204J147 ML20204J497 ML20204J543 ML20204J565 ML20204J627 ML20204J633 ML20204J638 ML20204J642 ML20204J659 ML20204J669 ML20204J685 ML20204J707 ML20204J733 ML20204J739 ML20204J746 ML20204J767 ML20204J781 ML20204J786 ML20204J814 ML20204J824 ML20204J849 ML20204J853 ML20204J865 ML20204J878 ML20204J902 ML20204J914 ML20204J920 ML20204J939 ML20204J947 ML20204J954 ML20204J958 ML20204J965 ML20204J975 ML20204J982 ML20204J994 ... further results
References
EOP-580, NUDOCS 8810250462
Download: ML20205A306 (43)

Text

I i 1

STATION PROCEDURE COVER SHEET 4 A. IDENTIFICATION Number: E0P 580 Rev. 2 l

Title:

CONTAINMENT CONTROL EMERGENCY PROCEDURE Prepared By: R. KRAEMER

) B. REVIEW

! have reviewed the above procedure and have,fnund it to be satisfactory.

TITLE $1GNATURE- DATE DEPARTMENT HEAD k f/2.e/Vg AL4a / /

R& ~ .. '

JA

/ '

L

)

C. SPECIFIC UNREVIEVED SAFETY QUESTION EVALUATION REQUIRED:

Modifies intent of procedure and changes operation of systems as described in design documents. YES [ ] NO [

(If yes, perform written USQ determination and Safety Evaluation, and contact Manager,, Safety Analysis Branch to determtro need for Integrated Safety Evaluation.)

ENVIRONMENTAL REV!EW'REQUIREO (Adverse environmental impact) YES [ ] NO[Q' O. SPECIFIC SAFETY EVALUATION REQUI MO Affects response of safety systems' performance 4 of systems which may have been creafted.in the safety analysis or non-credited systems which /

may indirectly affect safety system response. YES [g NO [ ]

(If yes, perform written Safety Evaluation and contact Manager, Safety Analysis Branch to determine need for Integrated Safety Evaluation.)

E. INTEGRATED SAFETY EVALUATION REQUIREO YES [ NO [ ]

F. PROCEDURE REQUIRES PORC/50RC REVIEW (In addition to review, items with a YES response must be documented in the PORC/SORC reeting minutes.) YES [ NO [ ]

G. ( SORC APPROVAL PORC/SORC Meeting Number /- 88-9 I H. APPROVAL AND IMPLEMENTATION The attached procedure is hereby approved, and effective on the date below:

f21 g S t a'yfeh/Te r We /U n i t S up e r i n t e nd e n t r/ x h s Effective Date SF301/9/s/SES/87-12/lof1 85)10250462 981007 PDR ADOCK 05000213 P pop

1. 1 1 .

i 4

E0P 580 Rev. 2 I 1 Attacnment 3.4 '

'Q

^

1 Paragraph 3.4 STEPS OBJECTIVES .

Operate OW Cooling Reduce Drywell Temperature f

V If Temperature Reaches Assure Core Cooling RPV Saturation, Flood RPV v

5 pray Orywell Reduce Drywell Temperature Before 281*F

\

w 1 If Temp. Can't Be Teminate Energy Addition Maintained < 281'F Depressurize RPV 1

]'

l , r l

-/

l k

1 l

l

/A F j

.CP 'du .antainment .antro.

duppression Poo: nater Levei

t>Qt  ;

V' ,

en

.,* ! Containment Control E0P 580 Page 1 Rev. 2 O .

Unit 1 - i CONTAINMENT CONTRUL THERGENCY PROCEDURE PAGE NO. EFF. REV.

1-16 ~ 2 3a,3b,4a,5a,6a,6b,7a,8a,9a 10a 11a,12a,12b,13a,14a 15a Attachment 3.1, 3.2, 3.3, 3.4 2 ENTRY CON 0!TIONS:

Suppression Pool Level > 13.8 ft.

Suppression Pool Level < 13.5 ft.

Drywell Pressure > 2.0 psig.

Suppression Pool Temperature > 90*F.

Drywell Temperature > 150*F.

Moni tor / Control

. 'i Suppression Pool Level  :

Step 3.1 ~

Monitor / Control

Suppression Pool Temperature Step 3.3 Monitor / Control Monitor / Control Containment Pressure  : Orywell Temperature i Step 3.2 Step 3.4 i

+

References:

1) Emergency Procedure Guidelines, Millstone Unit One J 2) Emergency Procedure Guidelines, Appendix B j 3) Emergency Procedure Guidelines, Appendix C

4) ACP-QA-3.02 Attachment A O 5) Emergency Plan Implementing Procedure. EPIP 4701 ECP 530 Cantainment Control

a'  ?

., Containment Control E0P 580 Page 2 Rev. 2

\-- 1. PURPOSE The purpose of this procedure is to control primary containment  !

temperatures, pressure, and level.  :

2. ENTRY CONDITIONS 2.1 Suppression Pool level above 13.8 ft. (CRP 925 LA 1630 A, B)

2. 2 Suppression Pool level below 13.5 ft. (CRP 925 LR 1630 A, B) 2,3 Orywell pressure above 2.0 psig. (CRP 903 Containment Pressure)

I 2.4 Suppression Pool temperature above 90*F. (CRP 903 Channel A, B)

I 2.5 Orywell temperature above 150'F. (CRP 903 TI 1602-6A or 68)

3. OPERATOR ACTIONS j NOTE:

For Containment degraded conditions, refer to EPIP 4701

() for Incident Assessment ar.d Classification.

The steps can and should be performed concurrently with each other J as the entry conditions dictate and concurrently with the procedure 4

from which it was entered.

] Suppression Pool Water Level - - - - - - - - Step 3.1 i O rywe l l P re s s u re - - - - - - - - - - - - - - S tep 3. 2 Suppression Pool Temperature - - - - - - - - Step 3.3 Orywell Temperature - - - - - - - - - - - - Step 3.4 i

i

!O E0P 580 Containment Control

Containment Control E0P 530 Page %

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NPSH Requirements for Core Sprr.y Pumps

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NPSH Requirements for LPCI Purps EOD 580 Containment Control Suppression Pool Water Level

4 Containment Control E0P 580 Page 3a Suppression Pool Water t.evel Rev. 2  ;

C'

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Flow Rate (GPM) l Os NPSH Requirements for LPCI Pumps t,

20P 580 Containment :antro' Suppression Nol '4ater '.evel t

I

Containment Control E0P 580 Page 3 Suppression Pool Water Level Rev. 2 10 V

I 3.1 Monitor and Control Suppression Pool Water level (CRP 925 Suppression Pool wide range level inst.). l nannannannannanannananamanannamannannamananannaan.==== nan ...annamananan.

CAUTION Observe NPSH requirements for pumps taking a suction from the Suppression Pool. If it can be determined that Drywell Pressure (CRP 925 PR 1602-9) did not exceed 10 psig at any time, then use NPSH requirement curves for non-LOCA condition (see Figures Ic and Id, page 3b), otherwise use the curves for LOCA condition (see Figures la and Ib, page 3a).

mannansmans==nannamanamannanannananamanannannannamannanan==mananamanana.

3.1.1 Maintain Suppression Pool water level between 13 8ft and 13. Eft (CRP 925) 3.1.2 IF, Suppression Pool water level is below 13.5f t THEN initiate Suppression Pool make-up by opening A or L Core Spray test line valves (1-CS-21A or B) OR opening 1-MW-92A, B, C, or 0 (LPCI pump suctions f rom the CST).

r40TE:

The core spray keep-full system will not provide make-up water if the associated core spray pump is running, a

4 i

i

!O I

l

! E0P 580 Containment Centrol Suppression Pool Water Level

~

Con 9ainment Con %rol Suppression E0P 580 Page ea Fool dater Level Rev. 2 Figure 2

1. Reference Procedure Step '

a. 3.1.3 30 . . . . . . , .._ . . .

i _ , . .... . . . .

i

. t w

- i 25 ,

'E i

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/ / IN 'lWIS AREA 'I / / / /-

0

' ' l Y 'I  ! l~ ! l~

0 5 10 15 20 25 30 35 40 45 50 55 8T}c(DF)

, HEAT CAPACITI LEVEL LIMIT OJRVE ATyg ('F) is the amount by which the lleat Capacity 'Mrte.rature Limit mst be de-rated to cxxpensata for a Supressicn Pool Lawl lower than that allowed by 'Nchnical Specificaticns.

ATg ('F) = Supressim Pool 'Itrperature Limit fran ICIL Curve (Fig.8, Page 13a) rtinus actual Supressicn Ptol Tirperature.

O ECP 530 Contain. ment Cor. trol Suppression Pool Water Level

Containme" Control E0P 580 Page 4 Suppression Pool Water Level Rev. 2 CAUTION Cooldown rates > 100*F/hr may be required to accomplish this step.

.....................................c.................................. .

3.1.3 E Suppression Pool water level (CPP 925) cannot be maintained above the Heat Capacity Level Limit (see Figure 2, page 4a)

THEN, GO TO E0P 570 "RPV Level Control" AND E0P 572 "Reactor Power Contr F AND E0P 577 "Emergency RPV DepressurTiition" and execute concurrently with this procedure.

O O

E0P 530 Containment Control Suppression Pool Water Level

Containren2 Coro1 Suppression E0P 580 Page Sa Pool Wa2er Level Rev. 2 Figure 3

1. Reference Procedure Step

a. 3.1.4

b. 3.1. 5 .

30 .

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..f

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4 . _ _ . . . . .. . _ . .. ,

m, . . . ... ... .. . . .

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10 i i ' '

O 100 200 300 400 500 600 700 800 900 1000 1100 1200 RPV Pressure (psig)

S1PPRESSICN POOL lilAD 1DUT CimT O

)

(OP 580 Contairment Control Suppression Pool Water Level

1

, l 4

Containment Control E0P 580 Page 5 Suppression Pool Water Level Rev. 2 I

puTION {

Cooldown ratis > 100*F/hr may be required to accomplish this l step. l l

3.1.4 JF Suppression Pool .ater level (CRP 925) cannot ce maintained below the Suppression Pool Load Limit (see Figure 3, page Sa)

THEN maintain RPV pressure below the limit.

NOTE -

! At the time of E0P-580 implementation, "Primary 1 Containment Water Level" indication was not available at the Millstone Unit 1 Plant. Therefore Suppression l Pool Water Level (CRP 925 LR 1630 A, 8) is used in the execution of steps 3.1.5 and 3.1.6.

I 3.1.5 IF Suppression Pool water level (CRP 925) AND RPV ,

pressure can not be restored AND maintained celow The 3 Suppression Poc1 Load Limit (see Figure 3, page Sa) s THEN GO TO E0P 570 "RPV Level Control" AND i E0P 572 "Reactor Power Contro F AND E0P 577 "Emergency RPV DepressurTiition" and execute concurrently with this procedure.

a 3.1.6 IF the Primary Containment water level reaches

3. 2 f t.

i l THEN terminate injection into the RPV from sources external to the Primary Containment, irrespective of whether adequate core cooling is assured.

i iO l

I 40P -30 Centaine:ent. :a wrol Suppression Pool water Level

ContainN nt Control E0P 580 pr;e 6b Suppression Pool Water Level Rev. 2 -

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NPSH Requirements for Core Spray Pumps Figure ld

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t~ = = - ==2..==L-- - 1 = = =_; - - : -- . = : _= : 2 _ : = i: _-i= , u._ = _ t : =.r.

3 == :;. .== = :-- : = :- --- ? _== c :-- . =.=

- _ . ;_: _:= _ ._=:.- _ _ . - . __ M:---=._..=:==..--:_._- __..p_  :

__ .i_ _ i----===--.---::+_k..

__.:-~~*.=-1 . , .. = : u -- - _= .- = === v------:: - - . _ . ; ---  :-_ :.=.

a 50 - - - -

,:= - - - - - - - -

1000 2000 3000 4dOO 5000 6'000 Flow Rate (GPM)

NPSH Requirements for LPCI Pumps E0P 580 Containment Control

.ar :t . nM ,R m '. m '

i-

i

. Containment Control E0P 580 Page 6a  !

Suppression Pool Water t.evel Rev. 2 l t

i 1

( Ficure la a :_..__-.--

s -- -:- : r - . . : . - - - _ . . . . . . r. :t -

. . . . _ . _ . _:.._._:---;._-_=._--__m

_.a 7-"O YJ:-~2:, ~: : ri: : *-- ----r :. =. _ ==_: :: :- _ 2_-_-d fa . 12 t r-2$Q =-

--_,.__._._'___,;------q__._._=.g__--_-----__"_

~g b_ ,___ _.3. . . _.

O_ _

l CD CTG --- _Z_

] o.

- - - = -

= w e s3 G -

_ m - -.- - _-- --_ -.,w

. _ E- 6 MG*t .

1 p 200 -

D__=._S_R, $Lg.

w.

-N-J s_-

-acku m

_ ._ =

y i_ _ _ . _ _ _ {\_ ;. % _]

s_ __

a . .. __ __

4_____ __

y

. __m____. _

-..____m y -~~-

,_.-. .-w__.

150

--" - - -~

~ _____ _ .__ __ _ _ _ . ._--- t, _

< o R_- -= = = = - - ~ ~ .

SQi i-_.

, o ---- - - - - i a

5- t .

li m:- __

.___.2_ -- : -

3 ___-. __ ; _

q 1 -.

n 100 rz- - _ _ _ . . _ _ _ =

a _

_; ____ _ r __ _.

j n

_ - L_

N +- _

~

l

c. --

_=._:==.__-

a - -

+

3 -t i n 50 -

L--- . . -- .- 4-- - - -

u

• i i < i

} 1000 2000 3000 4000 5000 6000 Flow Rate (GPM)

NPS)f Requirements for Core Spray Pumps 4

I j Ficure Ib -

l C 250

-~

o~

j ~

!MI mwu c._

' i ~~~ ~ + - -

-C

. mL

'vvv OIICU5=

e  %. =

$ 200 NDI ~

~

~

g E==. =--- v- -- --

~

7 __m_ g  %-

3 n

[0,-p_514 -

HN, -. _ . l_.__

l . =

~

\

s 150

- '-~

+ P:- -- T .-

g _

.______y.

c. -

~==-

._ _-_m_ _ . . - --- 4 -.

._- 6 c - - - - - - - - - . - '

o _1~~ _

-- n _ ;-. -+! ._.: _~f: _

^

. _;__ i .--

~~-~ ~ ~ ~ - ~ "

- _ _te- = -l

" ~~-~

~=

100 f__ _ __'5_ ', = _".._ --- ___ _ --

n _ , _2 -

n y

r::: .__ __;=.__.g: ;=--s .aacy w p = -.

w -_.._ .. , =.._t._= _n : _ _._._ _r-

,_=.:-+ ___-.

T =;.

_ _ . _ _ _.__ - _.t.__--

=-_-.-.-+t_

c, - - - ---t---- -

.u_t.a n.- - -- r- -+ - --- = : ar.

g -: __ _ . ._m_- _..-_.l_._- ___ . _ . _ 4. ---2L + :: =t - * -- t -- ==

== = - --'  :-

=5 -:T :-E:-a=== - . ;e===a c==  :

n 50 z- = = 1- -

r-1 I i l 4 1000 2000 3000 4000 5000 6000 Flow Rate (GPM)

NPSH Requirements for LPCI Pumps E0P 580 Containment Control Superession Pool Witer Level

)

Containment Control E0P 580 Page 5 ,

J Primary Containment Pressure Rev. 2 j

O 3.2 Monitor and control Primary Containment Pressure.

1 j 3.2.1 Sample the Primary Containment atmosphere.  !

k NOTE Venting is permissible prior to obtaining sample. A sample should be taken as soon as possible after venting

. is initiated.

1

~

3.2.2 IF Orywell temperature is below 212'F, l l

[CRP 903 TI 1602-6A or 68) 4 THEN vent the Primary Containment with the 58GT system per OP 311.

I CAUTION

-l Observe NPSH requirements for pumps taking a suction from the

Suppression Pool. If it can be determined that Drywell Pressure (CRP 925..PR 1602-9) did not exceed 10 psig at anytime, then use ',nc

] NPSH Requirement Curves for non-LOCA condition (see Figures Ic and i

j

^ Id, Page 6b), otherwise use the curves for LOCA condition (see

Figures la and Ib, Page 6a).

CAUTION j

l If continuous LPCI injection is required to assure adequate core

cooling, do not divert all LPCI pumps from the injection mode.

i d

l 3.2.3 IF,Drywell pressure (CRP 925, PR 1602-9) exceeds 15 psig.

i THEN rapidly depressurize the RPV using E0P 577

! 'TErgency RPV Depressurization", concurrently with

]

this prncedure.

3.2.4 BEFORE Orywell Pressure (CRP 925, PR 1602-9), reaches

)

the Pressure Suppression Pressure Limit (see Figure 5, Page 7) AND l IF Suppression Pool water level is below 22.2 feet I {&RP925)AND I

I IF, adequate core cooling is assured,

' THEN initiate ;uppression Pool Spray and maintain Drywell Pressure above 20 psig.

609 280 !antainmen; ::ntral Primary Containment Pressure

E0P 580 Page 73 containu nt Control Primary Contranment Pressure Rev. 2 Figure 4 t

1. Reference Procedure Step  ;

a. 3.2.5 300

u. >

e., '

' ~

, i 1

. i

~

250 i' '

! s ~

g.

i , ,

,, p D a +:'

F S-200 ,

' i

/g .

l p e, ,

f , . ,

6 i .I~ i3 E 150 e 7 .

l __q f i. 4 . . .. . ,

100 I

! Spray i.s Permissible -

E 7* --

i

/ ii in this Area Only W

1 E 50 l t

~ ., _ _ _ _ . . I 0 ,r i

~

i I

0 5 10 15 20 25 30 35 40 45 50 55 60 Drywell Pressure (psig) i IRYhT1L SPRAY _ INITIATION PRF.MRE LIMIT QJRVE l Fioure 10 300 . ., . . .. _y ._.a.__. . .,... . 4 7

, _ . . . . .. _ _ _ _ 9, . . . ...3.._.

.-.r _

1 250

i H __. . . .

g . . .

g . . . . .

. . . = _ . _ _ . . _... .. ..

g 200 ,,, __ , , _ _,_

~ .. ,_ _ _. .__ . . . . . . . _

...u_

o .. . .. . . _ . . _ . . _. .. ._... 4

...j .__...j..... q..._

....d..... . . . .

__ .4.....A

......]

...3...<3_.... .

.._.3..._,

... 4 .. . ,.

aj 100 <

Spray is Msible - .< _- ... . _< ..-.l'...... . . . . , . . . . t.

. in tMs hea My 4 .._. _ , . . . - _ . . . . - .. _- . 1 _- . . . ,- .'.. .' 's ' - i 50

. . , . _ _ . .. . . _.... . ....J.... ... 4....

. . . _ . . __ ..... .._.. . . . . 1 ... . j

..4 . . . . . . ... .. .

3

....l . . . ......

0

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

O 5 10 15 20 25 30 35 40 45 50 55 60 Drywell Pressure (psig)

DRWELL SPRAY INITIATICH PRI.SSURE LD'IT CJRVE

0P ~2 0 *antale.eent Oantrol

?rimary ;vntainment $ressura

Containment Control E0P 580 Page 7 .

Primary Containment Pressure Rev. 2  !

O .................cc....................................................a CAUTION

~

If continuous LPCI tnjection is required to assere adequate core lIj cooling, do not divert all LPCI pumps from the injection mode, a .........nm...... anna.=nen.nnamanamme am...mmmmann.m.m nna.......ana..

3.2.5 !F,Drywell pressure (CRP 925 PR 1602-9) exceeds the Pressure Suppression Pressure Limit (see Figure 5, below) AND Suppression Chamber air temperature l (CRP 903) and Drywell pressure (CRP 925) are below i the Drywell Spray Initiation Pressure Limit (see Figure 4, page 7a) AND Orywell temperature (CRP 903 TI 1602 6a or 6b) and Drywell pressure (CRP 925) are below the Drywell Spray Initiation Pressure Limit (see Fig. 10, page 7a), AND Adequate core cooling is assured.

THEN initiate Drywell Sprays and maintain Drywell pressure above 20 psig.

l 1

Fiaure 5 60 l  %, N N N---\-

_ A \ __

l  : e nesoas s. Nservaasszew

.. N enassums a oo w t CPERATE .

\X x X-f50 {X'y 'XL{xxX A x m ms ARIA

\,

\_] ,

x i g 4n x xi i i -

a N \ i'Q '

g .--

g 30 ,  ; ,

-  : l ' ---

20 .,, , , ., , s

, l1 ,. r ,.

,DO NOT Cr RATE 10

'''''/

D wesu enorrcTzow ;' , ',- , ' .' ' !'

, / ./ l 7 ,

,' span s xx xxzs O'

c-- ,

LIxIT

f . i

/ . :f ' '

ggg3 M n < i li ).i/ ?! l l l'l a 1 i , /.!

O 5 10 15 20 25 30 35 40 45 50 55 60 Suppressien Pec1 Water level (Ft.)

FRESSi1RE SL'PPRESSICN FRISSLW LDiIT CLTNE EP 580 Containment Control Primary Containment Pressure

E0P 580 Page 8a i Coatainment Coatrol Primary Containment Pressure Rev. 2 i I

Figure 6 Reference Procedure Step 3.2.6 1

-gY -

h-[D0 N OP5ATEY ~,Ir[ ,I '

- << y- w ,, , .

/ y 60 __j2 j u _ps... . . . _p, _ j. j q

~

3 c i h A E -r 1 3 40 i ,

=

U -

+ r i

2:  ;

~

=D 30 l

. I 20 i

10 '

i 0 .

1 0 5 10 15 20 25 30 35 40 45 50 55 60 Suppression Pool Water Izvel (Ft.)

PRDtARY COSTAIMBT DESIGN PRESSURE NT 1 O l

E0P 580 Containment controi Primary Containment Friswre

Containment Control E0P 580 Page 8 Primary Containment Pretsure Rev. 2 i

\ 3.2.6 IF Suppression Chamber pressure (CRP 925) cannot be FIiintained below the Primary Containment Design Pressure (Figure 6, page 8a)

THEN perform E0P 578 "RPV Flooding" concurrently with I this procedure.

O O

iOP 530 Contalnnent Control Primary Containment Pressure

Con 2ainment Control E0P 580 Page 9a Primary Containmeng Pressure Pev. 2 Figure 7

1. Reference Prot:edure Steps

a. 3.2.7 l i

b. 3.2.8 ,

70 - - - -

s s s s s .- - -

7 s s 1- 1i 11- / e / e' e s . / , /

1 1 s ,~ DO NOT OFDATE fi ._/-.. 1 -.

60 s IN 1HIS MEA #a--~7 s' ~

-- - se.-. s. .. / . _ f...- /s f. f.

e4 = .

1 w

50 ,

l I

g 40 >

1 0 l  ! l i i 2: . i

, 30 i i

~

i i r l l 20 i

l f 10

=

1

. . 1 i 0 --

0 5 10 15 20 25 30 35 40 45 50 55 60 Suppression Pool hinter Level (Ft.)

FRDMRY CONTAIMENT P8M9fRE LDUT QJRVE _

O E0P 580 Centairnent tant.r,1 Primary Contairment Pressure

.- Containment Control E0P 580 Page 3 Primary Containment Pressure Rev. 2

(/m) 3.2.7 1FSuppressionChamberpressure(CRP925)cannotbe maintained below the Primary Containment Pressure Limit AND (see Figure 7 page 9a).

The Suppression Pool water level (CRP 925) is below 22.2 feet, THEN initiate Suppression Pool Sprays, regardless of whether or not core cooling is assured and maintain Drywell pressure (CRP 925 PR 1602 3) above 20 psig.

O O

iOP 530 !antainment :entr:i Primary Containment Pressure

Containcent Control C0P 530 Page 1Ca Frisary Containment Pressure Rey, 2 Ticurs 4

1. Reference Procedure Steps 300

-. .-._a.

-1.....

,, .. 4...., . .. -- ..___: __ . . . . ,

u. ..._4_...- _.

__4 . . ,

o~ - - . , ... , _ __ -

a . __. -._m.

250 ---~~ -

i

- ---'d- -'-

- I -_=.- -m

_w. . . .

1 g ... ..;

"- ~-*- -

.4 '* ' - __.

-! ._ - 1.

w 200 1----+--- -

i --~' - - '

. y .. _ . . _

,_.A.__.,

~ ~

-+ ---

150

=

---

t <

' .". . . e .-

3... - -

4 _ ._ _

3

_. 1 O

100

--t-

- - . Spray is Pemissible .-+4-

_ +.

c -

o . --*

in this Area Ch1 '..

. . -.4 *'

1

= i.

M I

r _ 1- I 0 50 ----d-- i i -

I i w -

_- ._,4 -

.= 4  ;

_..g..._

y' ,.._.

-"~ ~ ~

--4 H.. ""---' - - ~ ' " - - - =

~ .

j 0 ' -

0 5 10 15 20 25 30 35 40 45 50 55 60 Drywell Pressure (psig)

Im>T:LL SPRAY INITIATICN PRESSLRE LDf1T QME .__

Ficure 10 300 -

... 4._ -.. ...

.. . . . . _ . . . . . - .- ..a

. . . _ . . - -- 4 _ - . _ -

, . . . . . . - - - _4 ,  :. ._a -

250  :

u, . .. _ _- , . . _ __ . .

= __. 4 ,

..... a_ _-

P . . , ._ a i

. 200 ...,..

... c.; .-- _ _ _ _ . . .

. . . . . . o .. ., . . , , _ _ . . ...a.... .. . ...,

i 150 -== . ,

, j . . _ , ....... .,....,

s . . .. .. . . . - .,_-_. ...., . . . . . . . . , ... , ..

100 Spray is Permissible 4-..< ----4.--- 4 -

w .. . . . , . . . , . . . _ - . . . . . - ....3--

in tMs Area Ch!

I . . . . ~ . ' .-_ _~..~.

. _,..~_~.'.7..-"...'

...~.'...' .

t So .._. . .., . ..,...,

4 .. ,

I I

....{..... ... 4... ........., ....l. . , . . . . . . . .

4.... ...... .., .......... ... . ..

Of' l

l 0 5 10 15 20 25 30 35 40 45 50 55 60 Dr)vell Pressure (psig)

I rm%'EIL 3FFAY INITIATICN FFISSLTI LD'IT OME _

l t

b. 0 0 k$) * *

• a .' .* T e 1 *. $ 3 F *. " )

' mary hntair: en'. ? ssure I i

L

.- j i

.,- Containment Control E0P $80 Page 10 .

Primary Containment Pressure Rev. 2  !

O 3.2.8 Suppression Chamber pressure (CRP 925) can not be IF,intained below the Primary Containment Pressure i'

ma Limit, ANO (See Figure 7 Page 9A)

IF Suppression Chamber temperature (CRP 903) and  :

6rywell pressure (CRP 925) are below t.he Drywell Spray Initiation Pressure Limit (see Figure 4 page 10a) AND IF Orywell temperature (CRP 903 T! 1602 6a or 6b) and Frywell pressure (CPP 925) are below the Drywell Spray Initiation Pressure Limit (Fig. 10 page 10a),

THEN initiate Drywell Sprays, regardless of whether or not core cooling is assured and maintain the Drywell Pressure (CRP 925, PR 1602-9) above 20 psig.

O 1

l O

iCP i30 Containennt :entrol Primary Containment Pressure

Con %31rren% Control E0P 500 Page lla Primary ConQafn. men 2 Pressure Rev. 2 Figure 7

1. Reference Procedure Steps '

i

a. 3.2.9 l 70 _ _

Z- ~~.' ~IDO N OPERITE [-~ _r/. /

._ .. _ __I _.

1 -

I

/ - f[

60 f -

.--sa..

IN 1HIS MIA s ../....

~~

--- / - - / _.)

g .. -

/..__ / . /.,

50 $-

~~

7c. 4

} M

~

' 1 e >- i g 40 *-- i

, i e

U _ I ,

g , . . .

j

- 30 i

,.. 1 I . i 20 1.

10

- - ~ ~ - -

' d '

'- - - -' - - ~

0 '-

---1 - -' +------- d 0 5 10 15 20 25 30 35 40 45 50 55 60 Suppression Pool Water Level (Ft.)

PRD%RY CCSTAIMST PRESSJRE LDfIT 1%T O

=, m m ..,,..m ,,

3 * ' 9J ry . J n t J 1.13 e n ; #945W*?

il l

.' Containment Control E0P 560 '

Page 11 Primary Containment Pressure Rev. 2 ,

i g  ! !

ll nennennemamenanmananmaananamannamannanamanamnemanennenmaneamannamannanne ;j I CAUTION 'i j Defeating isolation interlocks may be required to accompitsh i 1

this step.  :

, s matteatet*AemeemaAAAAAAAmamentattttta22324424AtmeAtaA49tenementhettatate [

l l

1 4

3.2.9 !F Suppression Chamber pressure (CRP 925) exceeds the

. Ff tsary Containmeitt Pressure Limit (see Figure 7, page lla)  ;

i THEN vent the Primary containment (0P 311) to reduce a:d maintain pressure below the Primary Containment i Pressure Limit. j l

1 I i- i i

t l-t 1

l ll I

l  !

l i 1

)

. I

! i

l 4

1 I i 1 l I 4

4 I

l 1

4 l

i  !

i l

f I

i l

! (

! 209 130 u ntainevnt b ntrol

Primary Containment Pressure I

ContainFont Control ECP 5'O No Mb Suopression Pool Temperature Rev, 2 Figure lc

==s = + m=&= : n --

= . . . . = . . . . - - -c. + :.==-

a n + =- M _= : =h== = , =_= =y

,-Q 4y -

-= = ==.._= - . ----- : == :u. . .

.- . =. .. = = : = = - :: -

_ :: _ = =..-

.m t= '.= 2 ==_ J=- : := = _ ; L. : ._ : . ; _ . z- .

=g p g === - = =e --- _ -- : .

a, -

= w'-'^  := t _ = . _ .: =;. tc u r ---

2 Oa =.* =

.n _.  :

. -'=

..---..T.~"=--'*.i.. 4.._. .

. . . :T -* ~~==0 =:

.._-..._=__..~~=-......_,q

=1* -' ~. .; ' J . _

....__n_;=--'_

= r:= _ .

. =, =: u =.' . .

~

k T. * = [-k

= : = =- - - . -

_==.5.N....__-__=_-=_,....._- .. . __.____ _ __ . ., -_"=-

.OO __

_ = ==r . . .- u. _= := =t=.,CQsgg =__ -

g -

= - = = = . n== ..=.: . . ,

w _=_==_=_,_m____=_

= == = = =: = - ==. c - :== r _;=  ; v==3.=_1_=_=._

= :.__= _=. .;;==r _ .=_r=__=_ = _= =_ _

._=_.__r._=_._=__.=_u_____x_._ I

.= p t :_  :=  : .;

y :r=.Q -- p %. - : = =  : - =e-_ _ ~;=~. :_._

s _--- =_zt_=- =r.z=: . - _ _ _=

.__ _= =_ r_: :, .r_: __= z r_ --. :-

'"._'; _-i "_ :*'--]='. = *= =: ? : :. : _. :_==: 2=---..- L : n i== ;_ :; n 1- _ ._--

=-

7 . . _

t'="======

150 _ .-____ ._. ,- _ = _g= . _=- _t== _. _. =_-:: - =- ::====_ :.~ ==: ==_=_= .,:. =?_ _. :.- , . _: . , ==- . L==:. :

.' =_ :

_= _ _ _ . _ _._2.=.=.__>.=_;_==_=.r_.2 __=_, . -

g n ===. = g: := = = = = _; =: = _ y===n= . ==; =--:r= . ==

= = , =: _: .-- _ =- t 2= ;= 4. =_ . _ _

6 =-- = == - = ,=:=._.L*- a- ===. ^ = =:=: =:=. ; = =4==

==t= == :== .

. r -- - -

.. . . . - .. . ^~.: =a : =. .. '^-

.; . === * ^ '_5._ .=- ..= _ $. . .

. - T .

-.L ---'. = .

c _== = t = .: :_ .= v= w.-.. . ==

=

. = - . = = = - . : =:=r = = :_ == = = = - - = =,: = :== : = = : : = == =

- - - - - - =- -::=

=====_

=-

.o.

. 100 ===_.=..-._1---~=r.====-..===_========:-==_

===:==._-_--:=_.=_====_=_=-

m

= . _ . = = . = : _= = : = _=_ _. .

m

========--::=======_= == = u = :: : .:t= . = _ . . = . uu :

zA_

4 ~ =: = = r m :. =. r= = :.: : = =.= -" : = - - =_ :-. :: _

.._.....L_====.:=.=:r=. - -- ;. :_- .=-._A..  : -- _ == t :- = =:-- r= =. t: =_-: ;: === _ : - --

_.= . _ _ = . = . _ = . = _ = . . = = . _ . _ = - . = = =. .===. .. =_ == ._ = , = - - . . . . - -==..=.._=_+..:====p= =.

W _-= _ . . -

9 m. ==. ._+. i=. E. =_E.7_= __=.E. _i = =. = = =:_=_=_. T l_i.,_s_ _= -^ =.. _,: ;= .; E. L. ;=_ .= = = T2.~,~_~

==E. -==-__=1.= _ . - __ -

=.

, ___- =.__.. . = . , = . _ _ _ = _ . -

=====m-----==f-=--==--,_. --r_

n 50 - ., r--= .

1050 2000 3000 4000 5 BOO 6000 Flow Rate (GPM)

NPSH Requirements for Core Spray Pumps

,O Fi_gure ld a _- _.

. _- .__. r . .._ - _ m ._ __.5=..__..._____.= l

= = v = =_ - -_:=q=== ===._==x==== ._ =_:r==__

= = = r.=.a ,

== =:. = -- -- - - =. :_- v

====:;- t=,; 5,5_ =:=.==- =_ _= =-_.= _= ; =_:=.===:=: =T.==:=

r- r=====

250 = = = = = ' = ======= = +. =  : = L r =  : . =-  ::  ::_= ;L=1 = r V==:

==r==t=====----=====r=.===e=2=-

u. . = p====1======:==

= = = = == = = .x. =_: ==_,._== =u== : = ; __ = t .= . =_ : _ _ l

--- - = 1 ====.==:=====.

, - = = = = =

0-

'=. y gg1= _. 2 __ =_ : ===u.___

==~-- ----t  := -----_: -- - =,y=. = = =: :-

n.I = = =:w =-=: u

- =: ---

=

==.==_====.u=:=--_i===a.~- 'y =,,,y= &_ -.k &_ &.:;-- t 3- - -

a

=l p w:= n ; ..==:._ __ . _ _ _ t a _ _ .f =. = == =r_ ._ . . . =. . . ._ := W-- ( T C o . . . . ._

v *OO .

. ' ~ ~ * ~ . ~===..2.=*.=_=.==..: = -==._;_.==..t======.

.t. g_'~. _ _ ._. . _. _. _=w- . _ == _=. =

=~$;:: = .

_ =: _=_= _-=. t =Tm_=_y =.ww,- ,=: u., .==4.== = =,. . _

U

=. . _. 1 :::c ._ . ~ = r - --,. - . - - - . - .

= . ,- ,.

..=======;.

+x- 9:= =-= == : , =-

, :=.r_=_=_=._=._=_::~_==_.=._.==_=..

..-.:=._==:=_=__=_=.__=-___==_=_:=_=_==.=.-_--

a, - + .= ._ ;w===

zo._ p g=-- a=a _ _ -

g = . -

= - -- - . -. a.1. ===

==_== =r .==w== -

x =

=_r ,..===it--;---

• P' 1:'~~-  :=*--k--* C{ =- =~ -*- - - { .-- _ k. _ . _ . _ . =  : _ T

1. . __ . 6

~ ,150 =_..=_*._-:t.'_-i__=.=__==_=_ = == t._= = = = = _ * = _ = _ = = . = . = . . = . = = = = _ = = = = = = . = _

j o =L* ==t=*=*==~*===*=====*=-=

o = L. .:= == =!= == ==== == = = : =_ ,

c. =--_=..,_=---=_i=_=_=_:.._

:= = r = : = : == - : =_ . . =.====. =: == :-- . =. = =:===:=

_ =:_=_.__

_ r m _ =- __ r- -. =: 2 =. =. . . i

=..=-T-.... . - . .. -.-. . -_4._.

.=._=.-===..-.._z=-r=--n-= . _

~...p

.===-1======r=. =_: == =. 4 _ _ _ . .

I, c = =-- t = t

_=_._=.=_q;_=m. r_t: __.___.e_._-.--..~_.__ _ _ _. . e. _:_,. . . . . . t O =..._=_;__- ._

=_ - l - .- _ _ T. ..=_4=_=.=._=._p_=.=.t=_._= . , ..

i

.t-.. -t... *g

• g--.--- w .. - . , . - .. _-. . -

m 100 P_.-~==t 2EEEI .-~i'..."_ !*:. . .W- 4~ 'M 4=E. , . . -. . . -. +

N " . '~=E' g . _ . ' . . .

c = = =, ::==

r- t ==1= i- - =+,

._l===._ == ====.=. .=-=.M:n = r- m .=  : _= =;-

_=,=r = = :y= ==+r:D m:= > : 2 =

y - - - - . . . . . . . _ - . , , w

--.__-_-_.-____=..__-.:-...-+_=+r.---j.-.

--=__ ._._

. -- = r _. :- . ,-

>- s.

1 W

% .~-.t_.=.'.=~.*'.=--1:.

- -::=_ = :.-- : - ~= L : - :~ = - = :: - . -- = . -- u {. = . f, . _ * . :. : : :

. 5: = : : .==_=L!_: .}. .'  :'_ -

r-- ==:, .:=.=_ =. . _ =r==m . ., ..:c, . . ..r:...,-._...-t._-_.--. u r- - .. : : - .-= v z '_= :.:--.- - --

2 r:

M y-Q - - ==:. :.== = a. .

1000 2000 3000 4dOO 5000 6'000 Flow Rate (GPM)

NPSH Pequirements for t.PCI P'W ECP 530 Contairrent control c ., . ~ . . , , , , n- u. ,. i - m. . . m r.

Containeent Control E0P 580 Page 12a f!

Suppression Pool Temperatur e Rev. 2

. \

I 4

a jl s Ficure la 1

- . . =; _-

1. == : =- A r. = : . . . . , . 3 - u -- --

. , = M m : rn :~ : .1

• t = = = :=: ; = . :--~ a: = =

-+.==-t_ _.

=- = =~

..._=e 1' C

• • )

2=0 5=E==W N U UR*M M~=Mn===~=UTF== 3 1

-  ;-.,==h- = = ,7 ==.=- = n. - =,t.=.= == = =.:. = .. ~.(m ==g = = m- =r: =====. -:- *-

Q-m=_-g; 5 ===.: = =: ,

- - - - - + - ~

=: u o e n ====- _:. ==:.=r=,.g=_=p==: 24.,. =. h=:=4=n - i__=., , .

.i .

--. m -

= -_ . ~._ . 3 .. ._m e., v_, . __ = . b. - .__-.___

--=t===.- _

== . >

,$' gg.g====g=.

=:===.2 . . .r

=4QPN

= G-=- a--- _=.e; : .. =.. = . - ==-4 ' f e 200 y - s =w + =_'E==_a _r= _iEI=-

C,Q, >$Y _ w--

I~~= ==-

e= = = = =~

~ ---

==w -. t =--_5.=- = = . ~4.9. ==. -= ,

u .  := =

,o ~.

m r--c _

t

=.. =__=r__g_-__ _g

.1. __,3. _ -}c.__. =,Q=3_=._.:_=.

p_3_ _:-_ __ 2___ m

_=  ; r_=g=__j _

._;7-__.- _ . . . . ,7._-_._ ___ _ , -  ;. ..,;.- - -

.. 7_-..--

p.----.

l =_ ;= " =L . - . .

an-~~* = ._=.._-._..,~;3-_1_ 3 , - u- 4 . - =.t--- :g_; =-;. , s

- . g -.--y-y =_ --

._-. g__ . 4=_-- .

_m g_

150 = = e=

==-t= ==- =

-=__=_+;=====..-.

y_=-=.y. --.-e--= r-=._-.=. =^ 7=.; ._;; g ; , ; ;-

.=; _ ; .$_- - ; y. .

\--.== 1, ._.-r=r a

=

• 1

== = =.e =1-==_, ==__+t..;.-. _ a = .-_ r_- = ~-

c. r-1x r~I== =q: =Ea==ai s==t- L.ar$- -

e==2E=t- n =- -"mr"E= == 1=== x=&

i + --  : I i

i i

g ~ - r - ; ==3=5=_,g== =. =- - - x.=- u. =-. ..:=. . =_5= =.. =.__ 3 .g .;=-; ====g = :=.-2_-- = ==_ 3_3 }

.-. .-- -----n- _ _

~.

=.__=_2 =,u__  :

+ 100 -

. - = =_:_.. =- 2  :-2 = =_r == = - =r-==v===2 a =a -=wr ==-

a -

__===._.,-___.__,_.___....,-.=._=_=g.==r=-1=c----..__....._._-_--,_.g__..___=_

. . 3 .

n --E ._ -

o _+=A- -

~ - t- m .

I W a, ____.__.,._

_- ,. d___ .i _ q w _Tn = _h=-

=_r=*.:t_=-===-

._ _ m_

. 1 71-- : =p _w . _ _ +_=. u m- _ .y.m_

, o,

+- -

r == _==_._ _-. : _

p__._-_-

m -___2 L_ _t . - + - -

u-- - m.e:=g--a __ m I

', w - . - --

n 50 +====s,--

a t

e

! 1,000 2000 3000 4000 5000 6000 Flow Rate (GPM) i NPSH Requirements for Core Spray Pumps i 1

1 Fiqqrn__lb j

.._ j -- v - m :axt=.-,==- u=p%g_,_ r,_ _

_ m ,

= =_d i C 250 Z_r-

-q-==+. er- _%.w. = -

n _m =*f ug=n3I_EL _ 2=_

__a-- ,

l o

4

.g=== y ~ =>=. --; ;;:- g5g 3gg z y.g.g i

g E

=g. . ,c

=

>_ -- gG. _

r=._..==.E=_. : .:-- ses

.__, r saa r==

C .g

-.q; =~=. _

%2=

~

-+- - e m m,=pqqh p -

___p===--

W j _ _ _

._p3irgt= _'

ads @s :t~ =i-- u-

. _7.=~ . _

, y 200 EEj D _ _

~

r- .

-e=

~_

_.- =_ .- I

=w=-- 4_;1.

---_ m _g2

-> 3 g

c - - - ..=;.g-= r : =.r l pU - .

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.- r. - + _

-.e--

.g t .. _ , - . - _

Ny 4 7 msss an==

-+

s l"E 2.2 -  :

~

%T

- - m . m - .'-_ _-

p = w,.3an . - - _ .v== =___

150

.' s _; l n -

y --- - _ . .. = .,= w === -.. .= -

_____ . . =

w

=2== = = - - - -

i 5 - : - - --. -- i r=: '

e j

c. w _, _-- r y{_

=2. .=_ =-- g=._.=.;. g_ .e.=_ d -_:.-.+_._ .=E *z .7_ 2 -- g_=_,=.g.L-__

g ==;.

c m - - . _.__-..

.-,.w._..- ,

.____: w _ s=1=r3=== -t=2:= t_ up---

=._-

_==t= =

,_. w-4:.--.=. _ . __=q ==g. =- _..a r- 1 i o .

• 100 M. E j a = _ ' = _=I_'-_

w={"_ _ =_C:d_I=P._=._5..m

_.-. t E_ d__.t_3_ h__ =_2= 1 =E E = ! =.. _ D. . . = _.-

r--* l =:=:=::.: r-- =. . ~' --- ^ } - . $n: - e =: .:-

Q ==-.*=L=..1 J_ _ =_: =-k.=.4 ==1- ==s.~

) y - - ._.- ===< ~ '

u =_ ~_--l==.p=-t~===r -=- ~-p-~=--__ - - - ~t==t:-)=.=~ =.-?2f_ . .=t===-W==.-y:

1 ==u =_.m==a:==

a, .

= .; =_;g-_ -___r _g 73u- _

== . . a. _._ r - --F ,--

] n .. .. -- . _. ; 3--g_. ;_3 3.3 yn . ,_ __;__ 3 _

=r=== =-T=w y -- . . - . . - - - - - - . = _

== '

n 50 _ ~. _ ; _- *z_.q-_ _- u======={5====y"-=.=_*.=_x.rt===-===*====-""---- s [

I 4 I I i 1000 2000 3000 4000 5000 6000

) Flow Rate (GPM)

NPSH Requirements for LPCI Pumps ,

t i

i i CP 53C 2Pool Suppression ntai. N7terture SW -

j l 4

1 2

i!

Containment Control E0P 580 Page 12  !

Suppression Pool Temperature Rev. 2 {!

p O 3. 3 Monitor and Control Suppression Pool temperature by performing the following:

'r 3.1.1 Attempt to shut all SRVs which are not required by reducing Rx rectre, flow. .

i 3.3,2 IF the recire, flow is at a minimum ANO the SRV Fimainsopen, l EEN scram the Rx. l CAUTION ,

If continued LPCI is required to assure adequate core cooling, do  !

not divert LPCI pumps from the injection mode. l 3.3.3 Initiate Suppression Pool cooling (OP 322) before Suppression Pool temperature (CRP 903) reaches 90'F. ,

3.3.4 BEFORE Sul,pression Pool temperature (CRP 903) reaches 110'F for any reason,  !

O THEN scram the reactor per ONP 502 "Emergency Plant Snutdown".

i l

3.3.5 IF any control rod is not inserted beyond position l 6I, and Suppression Pool temperature (CRP 903) '

reaches 110*F,  !

THEN GO TO E0P 572 "Rx Power control" step 3.5 and perform concurrently with this procedure.

........................................................................ )

l CAUTION  !

Cooldown rates greater than 100*F/hr may t,e required to accomplish steps 3.3.6 and 3.3.7 CAUTION Observe NPSH requirements for pumps taking a suction from the Suppression Pool. If it can be determined that Dry ell pressure (CRP 925, PR 1602-9) did not exceed 10 psig at anytime, then use the NPSH requirement curves for non LOCA condition (see Figures Ic and id, Page 12b), othenvise use the curves for LOCA condition (see Figures la and ib, Page 12a).

O ........................................................................

0P 550 containment

:nts: 6 Suppression Pool Temperature

Con ta in.T.:n t Control Supprossion EC2 580 Pcgo 13c

, Pool Tc.T.paraturo ROV. 3 ,

Figure 8 i i

1. Reference procedure Steps

a. 3.3.6 *

"O

/ /

-- , /

/ [s. / f.-_

'- ~ _- / -f. f. - _

g_-

t

/

DO NCir CPEPATE u.

b _ __

~'

_ _ . . IN 111IS AREA ---- -_

'00 e

i.

v3 I ~

s

/ = _

l. r---

/ f. _- / s 6

8 1 i _

s s fj s

/ f;s i /

fa ISO ~

i

~

_ ._'~!- / -

f.- ,J, 1~/--

.3  !

i i f

./

f  !/

n g7e W

S 160 -

. _ _ l

i i

- < i 1

~

~ ** i

. i .

' ' ' t t

150 0 100 200 300 400 500 600 700 800 900 1000 1100 RW Pressure (psig)

KEAT CAPACITY TUteERA*tTI 1.BtIT CUR \T s

W G 6e W G44 40We e Suppres '.cn Peel Tempersture

l 4 i

. Ccntain ent :n:rol i;P id0  ; age .3 ~

Suppression Pool Temp 0rature Rev. 2 l O 3.3.6 IF the Suppression Pool temperature (CRP 903) cannot ,

Ei maintainad below the heat Capacity Temperature Limit of Fig. 8 (see page 13a), - - -

THEN maintian RPV pressure below the Heat Capacity ,

TeFperature Limit of Fig. 8 3.3.7  !" Suppression Pool temperature (CRP 903), AND

~ ""5j REV pressure cannot be maintained below the Riat Capacity Temperature Limit of Fig. 8 I

THEN GO TO E0P 570 "RPV Level Control" AND E0P 572 "Reactor Power Contr5T" AND E0P 577 "Emergency RPV DepressurTiation",

and execute concurrently with this procedure.

O l

l .

t P

O I:0 id0 ;a9:li *en: . .: c , ,

suppressicn Pcol iemperature

T 0:ntai.=en Centrol COP 230 Page 14a ,

Dryvell Te=perature Rev 2 ,

Z1qure 2 l 1. Reference Procedure Step (s)

a. 3.4.2 ,

\ x!,\s x- k _x-

- !\ I\ ' x -y N_- N

. x

' ' T DO ?CT CPERATli

\ \ x kb-600

,_ 7 A _._'_ xp y

1 t IN THIS AFIA t 500

._ __\_ \g 1 i l g ,

o -

N' 1 g 400 c; i i

1

, .-L  ;  ;

t i '

g . ,- ,

300 se i 1 i

- 7 i i I i _ 1 i I t- L  !

! l t

= 200 l i

i

c. 100 . -

I 1

i . I f I~ T

• i O

i 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1

RW Pressure (psig) l RW SA1UPATIC*4 TUGDATUPI CUWE

• 1 l

l l

l l

i l

l l

l l

l EOP 580 contain=ent l

control Drywell Te=perature 1

l l

r Containrtent Control Crywell Tegerature (CP $60 Page 14 Rev. 2 ',

n ';

NOTE II li Orywell cooler fans will trip on high Drywell pressure or i!

i tow low RPV Level. To resta t coolers refer to OP 327 L

! step 7.6.3. ,f 3.t Monitor and Control-Drywell Temperature, f

3.4.1 IF Drywell temperature exceeds 150'F (as read on CRP (

933 TI 1602-6A or ES) and Drywell Pressure (CRP 903, t P! 1602 10) is less than 5 psig i THEN operate all available drywell coolers. l nansasanamaannammanamanaamannamanmaaaaaaaaaaaaaaaaaaaaaaaaaaaaaananamaan $

i  !

CAUTION f

Wrenever drywell temperature near the instrument reference leg  !

vertical runs (CRP 903 T! 1602-5A) exceeds the teaserature in the '

i table and the instrument reads below the indicated level in the

] table, the actual RPV water level may be anywhere below the  !

elevation of the lower instrument tap. i

]

Narrow Wide Narrow Wide t j Drywell Range Range Range Range l Temp. Yarway Yarway GEMAC GEMAC

-50 i 150*F -325 0 -52 200*F-

-49 -317 0 -45 ,

250*F- -47 -307 '

0 -38 i 300* F- -44 -296 0 -29 l 1 350*F~ -41 -283 0 -19 ,

) 400'/~ -38 -269 0 -7 '

1 450'F~ 34 -253 0 6 j 500'F~ -30 -233 0 21  !

550*F~~

-26 -210 0 40 anneaaaaaaaaaaannaamaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaannemanna

]

NOTE l

When Dr>well temperature reaches the RPV Saturation Temperature RPV level instrumentatiert will f all due to refertnce leg flashing.

3.4.2 IF the Drywell temperature (CRP 903 T! 1602 6A or 68) reaches the RPV Saturation Temperature, (see Figure 9, page 14a)

THEN GO TO E0P 578 "Emergency RPV Flooding" AND E0P 570 "RPY Level Control" AND E0P 571 "RPV Pressure Contro F AND O TCP 572 "eesctor oower control" ~

and execute concurrently with this procedure, iCP i30 .'ontat ment Contro6 Orywell Tegurature

s Cont 3fnment Contr31 E0P 580 Paga 15a Dry ell Temperature 't e v . 2 Ffoure 4

1. Reference Procedure Steps

a. 3.4.3  ;

i 300 '

g - --.

.,,i

. i.

,,i , , .

l g, . .. ,

2FO .

i i,i

.l' - '.

i. i

. '.' g M '" --

I 'i: ,.

l'i. ll .

s %_. ,,,.. .. ., ,

i e ,fyn,y i

, ,i +

e , 9

.,4 6 g f . 6 i . )

i . # . t ,i , ,

.q , ,

, i,.

, , -. i,

,ii.

, . .. f- , .. ., . ,. ,, ,

l 150 . > >e i .

,,2-  : ,

.f . . . i ii .. .i.. .ii. ... '

_/,  ! ,,e 100

Spray is Pemissible c

o

., 3 ,

f e' ,.. i.

i i in this Ares Only -<

, , . i , 3 i_ i , ,i .

W I ' F 50 1 . . < >. . .

2 . . .

i ,' . ,

E.

. 4:.-  : .: ,. ,

- -- =. .

d 0 0 '5 10- 15 20 25 30 35 40 45 50 55 60 Drywell Pressure (psig)

DRYWF1L S? RAY INITIATICH PRESSURE LIMIT GRVE __

Fiqure 10 300 , . . . . .- .

.. .. .sw _

<- 7, . - - - -

L -- b h '

250 \x .

i -

6 x , , ..

e., -. - x i , . -.

y 200 ~ . .. ...

x.

.a . . -

g .-. - ._.3.q _-

n- . . . , . - . . . . . . . . - - . .

t-..

= - - - -

' . -. y . .4 ....-. i F -- _.

100 Spray is Permissible O .- ,

'.'". Z in this Area Chiy -

50 ,, ,

-u..u... .. .-.

..-6..

i

, %.+ .-

. ..-.a . . . .. . . . . . .-..

. . . - . . -. . d ._ . . _

~~-

~ ~ 4-

'~, - - - --'-

0

'-~~~ , i"- -

15 20 25 30 35 40 45 50 55 60 0 5 10 Drywell Pressure (psig)

_ DRYWELL SPRAY INITIATICN PRES.5URE LIMIT CRQ ECP 580 Contatnment Control ]rf. ell Tocerat.uru k

Containment Control Drywell Temperature E0P 580 Page 15 Rev. 2 g .xx,xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx,xx,,,,,x,,,,,A CAUTILN If continued LPCI is required to assure adequate core cooling, do not divert LPCI pumps from the injection mode.

• AR A A AP A A A A A A**** A A A A A A****** A A A22R A A A A A A A A A A A A A A A A A*** A A A A A A ** A A A A 3.4.3 IF Drywell temperature (CRP 903 TI 1602-6a or 6b) approaches 281*F, M Drywell pressure (CRP 925, PR 1602-9) exceeds the Pressure Suppression Pressure Limit (see Figure 5 below), AND Suppression Chamber air temperature (CRP 903) and Drywell pressure are below the Drywell Spray Initiation Pressure Limit (see Fig. 4 page 15a), AND IF Orywell temperature (CRP 903 TI 1602-6a or 6b) and Drywell pressure (CRP 925) are below the Drywell Spray Initiation Pressure Limit (Fig. 10 page 15a)

THEN initiate Drywell Sprays and rpaintain Drywell Pressure above 20 psig.

m

)

' FIGURE 5 60 x x x __ x x x s - -

\~ .A I\ 4% iN .N ' \~

3 DO E OPERAE -  ! $T

~- PRESSURE SUPPRESSION PRE 8SURE N\

3 -' 'tzxzy N N { g g3 g

\ \x 50 m x AAx ,x . _ . x __

3 ---Ax' 'ss N s' /  : ,

e 40 -

l hdx i'x- f[ .

l j 30 '

y

p. 20 s,,.i. 1 .,1 ,, ., . ., ,. 1 . ,

^

1. './; fi , . /,/. l DO NOT OPERATE 5 ' ' '

10 h NPSE PROTECTION /; /

./, f,. f' 8 PRAYS IN THIS ,

' , : ,i -

g LIMIT

'I ' ' ^/ i I I I '/

I/l /:

' ! '/ I/

! * ^ /

0 40 45 50 55 60 15 20 25 30 35 O 5 10 Suppression Pool Water Level (Ft.)

PRESSthE SUPPPISSICN PDISSURE LIMIT CURVE E0P 580' Co'ntainment Centrol Orywell fa-oer nure

s

/ Containment Control Orywel1 ' Temperature 20P 5a0 Page 16 i Rev. 2  !

'I I

3.4.4 IF Orywell temperature (CRP 903 TI 1602-6a or 6b) i cannot be maintained below 281*F THEN GO TO E0P 570 "RPV Level Control" AND ,

E0P 572 "Reactor Power ControTW AND  !

E0P 577 "Emergency RPV Depressurization" .

and execute concurrently with this

- procedure.

! RK:1fg i

e 1

J i

1 .

1 iO 1

i I

i

)

5 l

i l

i l

l l

t I

I

'O E0P 330 Ountainment Control Orywell Temperature

I

'.' 20P 580 Rev. 2 i

-s Attacnment 3.1 .

Paruaraph 3.1 STEPS OBJECTIVES  ;

Maintain Level Between Control level within 13.8 ft and 13.5 ft normal limits if If Level Can't be Maintained Maintain sufficient heat

> HCLL, Depressurize. RPV capacity IP If Level Can't Be Maintained Limit dynamic loads

< Suppression Pool Load Limit Maintain RPV pressure below the limit

1F If tevel/ Pressure Can't Prevent further reduction f- Maintained < SPLL, of operating margins

( Oepressurite RPV

[

O .

When Level Reaches 22.2 Avoid containment failure f t, Terminate All Injection f

1 l

i l

i I

i l

1 i 509 530 ;cntainment ;antroi Suppression Pool Water Level

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

9 EOP 3a0 Rev. 2 f\ 'S Attacnment 3.2 4

' -) Paragraph 3.2

, STEPS OBJECTIVES l

t Operate Pressure Control Reduce Pressure Systems and SBGT r

v If Drywell Pressure Exceeds Prevent Chugging -

15 psig, Depressurize RPV V

Operate Suppression Chamber Reduce Pressure Sprays Before Drywell Pressure reaches the Pressure Suppression Pressure Limit U

If Pressure Exceeds Pressure Prevent Chugging Suppression P' essure Limit and Suppression Chamb. Air Temp, Drywell Temp and Drywell Press. < OSIPL, And Core

[- s Cooling Assured Initiate Drywell Spray V

If Pressure Can't Be Maintained Terminate Energy Addition

< Primary Containment Design Pressure, Flood RPV V

If Press Can't Be Maintained Reduce Pressure

< PCPL and Supp. Pool level

< 22.2 Feet, Initiate Supp.

Pool Spray ,

W

• If Supp. Chame. Press Can't Reduce Pressure 8e Maintained < PCPL And Supp.

Chamb. Temp, Drywell Press And Drywell Temp < OSIPL, Initiate Drywell Spray 4

If Pressure Exceeds the PCPL, Reduce Pressuro Vent the Containment b> s- .

iOP ISO :antainment .antroi Suppression Poot mater Levei

~..n

i E0P 560 Rev. 2

~

Attacnment 3.3 Paragraph 3.3 STEPS OBJECTIVES l

t Close Any 50RV Terminate Heatup I

u Operate SP Cooling Reduce Temperature U

. Scram @ 110*F Preserve Emergency Heat Sink

)

i w

Maintain Assure Continuous stable SP Tem./RPV Press. Steam Condensation Below HCTL 1

4 9

Depressurize Depressurize Before Additional i HCTL Exceeded Heat Capacity is Lost

!O 1

l i

i I

i t

l 1

iO l

1 IOP 380 Containment :;ntrni l

! iuppression / col Water .evel l

t

Docket No. 50-336 A07413 Attachment 3 Millstone Nuclear Power Station, Unit No. 2 Emergency Operating Procedures October 1988 1

r L &vw ,

• 2500 UNIT 2 EMERGENCY PROCEDURES INDEX (Procedures require PORC review)

EMERGENCY OPERATING PROCEDURES NUMBER TITLE REV. EFF. DATE

, E0P 2525 Standard Post Trip Actions 3 08/03/88 E0P 2526 Reactor Trip Recovery 2 08/03/88 E0P 2528 Electrical Emergency 2 08/03/88 E0P 2532 Loss of Primary Coolant 4 08/03/88 E0P 2534 Steam Generator Tube Rupture 5 08/03/88 ,

E0P 2536 Excess Steam Demand 4 08/03/88 i

E0P 2537 Loss of All Feedwater 4 08/03/88 l

E0P 2540 Functional ~ Recovery 5 02/20/88 . I t

E0P 2540A Functional Recovery of Reactivity Control 2 08/03/88 l

E0P 2540B Functional Recovery of Vital 2 08/03/88  !

Auxiliaries (AC and DC Power)

/

E0P 2540C Functional Recovery of RCS 3 08/03/88 Inventory and Pressure  !

E0P 25400 Functional Recovery of Heat Removal 3 08/03/88 ,

E0P 2540E Functional Recovery of Containment Integrity 2 06/20/86 l i

I r

Rev. 127 08/02/88 Page 1 of 1 J

2500 UNIT 2 EMERGENCY PROCEDURES INDEX

(* Procedures require PORC review)

ABNORMAL OPERATING PROCEDURES NUMBER TITLE REV. EFF. DATE AOP 2551 Shutdown From Outside the Control Room 4 03/25/87 AOP 2552 Cooldown From Outside the Control Room 2 05/16/84 AOP 2553 Plant Cooldown Using Natural Circulation 2 05/27/87 A0P 2556 Oropped CEA Recovery 3 02/04/88 AOP 2558 Emergency Boration 0 01/07/84 ONP 505/ Fire 1 05/30/85 AOP 2559 AOP 2560 Storms, High Winds or Hida Tide 2 01/28/87.

A0P 2562 Earthquake 1 09/14/84 A0P 2563 Loss of Instrument Air 3 04/01/87 AOP 2564 Loss of RBCCW 0 01/07/84 i

AOP 2565 Loss of Service Water 0 01/07/84 AOP 2568 RCS Leak 2 05/27/87 AOP 2569 Steam Generator Tube Leak 2 04/01/87 AOP 2571 Inadvertent ECCS Initiation 1 07/30/86 AOP 2574 Loss of Condenser Vacuum 1 03/15/84 AOP 2577 Fuel Handling Accident Inside Containment 2 05/30/85 AOP 2578 Loss of Refuel Pool and Spent Fuel Pool Level 0 02/25/85 AOP 2579A Contingency Fire Procedures for 2 07/23/87 Hot Standby Appendix "R" Fire Area F-1 A0P 2579AA Fire Procedures for Cooldown and 1 07/10/87 Cold Shutdown Appendix "R" Fire Area F-1 A0P 25798 Contingency Fire Procedures for 1 07/10/87 Hot Standy Appendix "R" Fire Area F-2 AOP 25799B Contingency Fire Procedures for Cooldown and 1 07/10/87 Cold Shutdown Appendix "R" Fire Area F-2 Rev. 127 08/02/88 Page 1 of 3

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, UNIT 2 EMERGENCY PROCEDURES INDEX  !

(* Procedures require PORC review)

ABNORMAL OPERATING PROCEDURES i NUMBER TITLE REV. EFF. DATE I

k A0P 2579C Contingency Fire Procedures for 1 07/10/87 Hot Standby Appendix "R" Fire Area F-3  ;

AOP 2579CC Contin ^gency Fire Procedures for Cooldown and 1 (>7/10/87 Cold Shutdown Appendix "R" Fire Area F-3 ,

AOP 25790 Contingency Fire Procedure for 1 07/10/87 i Hot Standby Appendix "R" Fire Area A-3

• L AOP 257900 Contingency Fire I rocedures for Cooldown and 1 07/10/87 l Cold Shutdown Appendix "R" Fire Are A-3 AOP 2579E Contingency Fire Procedures for 1 07/10/87 Hot Standby. Appendix "R" Fire Area A-5 .  ;

AOP 2579EE Contingency Fire Procedures for Cooldown and 1 07/10/8'7 Cold Shutdown Appendix "R" Fire Areas A-5, ,

A-9 and T-4 5

AOP 2579F Contingency Fire Procedures for 1 07/10/87 Hot Standby Appendix "R" Fire Area A-S AOP 2579FF Contingency Fire Procedures for Cooldown and 1 07/10/87 Cold Shutdown Appendix "R" Fire Areas A-6, and A-10 .

AOP 2579G Contingency Fire Procedures for 1 07/10/87 Hot Standby Appendix "R" Fire Area A-9 AOP 2579H Contingency Fire Procedures for 1 0*i/10/87 Hot Standby Appendix "R" Fire Area A-10 A0P 2579I Contingency Fire Procedures for 1 07/10/07 Cold Shutdown Appendix "R" Fire Area A-14 AOP 2579J Contingency Fire Procedures for 1 07/10/87 Cold Shutdown Appendix "R" Fire Area A-15 AOP 2579K Contingency Fire Procedures for 1 07/10/87 Cold Shutdown Appendix "R" Fire Area A-18 AOP 2579L Contingency Fire Procedures for 1 07/10/87 Hot Standby Appendix "R" Fire Area T-2 AOP 2579LL Contingency Fire Procedures for Cooldown and 1 07/10/87

. Cold Shutdown Appendix "R" Fire Area T-2 Rev. 127 08/02/88 Page 2 of 3

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.. j 2500 UNIT'2 EMERGENCY PROCEDURES INDEX

(* Procedures require PORC review)

ABNORMAL OPERATING PROCEDURES Il NUMBER TITLE REV. EFF. DATE ,

t A00 2579H Concingency Fire Procedures for 1 07/10/87 Hot Standby Appendix "R" Fire Area T-4  ;

AOP 2579N Contingency Fire Procedures for 1 07/10/87 }

Hot Standby Appendix "R" Fire Area C-1 ,

i AOP 2579NN . Contingency Fire Procedures for Cooldown and 1 07/10/87 l Cold Shutdown Appendix "R" Fire Area C-1  ;

.[ AOP 2579P Contingency Fire Procedures for 1 07/10/87 Hat Standby Appendix "R" Fire Area I-1 j AOP 2579PP Contingency Fire Procedures for Cooldown and 1 07/10/87 ,

Cold Shutdown Appendix "R" Fire Area I-1 . .

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