ML18026A512

Forwards Draft Symptom Based Procedures Per NUREG-0737,Item I.C.8 Requirement

ML18026A512
Person / Time
Site:	Susquehanna
Issue date:	03/04/1981
From:	Curtis N PENNSYLVANIA POWER & LIGHT CO.
To:	Youngblood B Office of Nuclear Reactor Regulation
References
RTR-NUREG-0737, RTR-NUREG-737, TASK-1.C.8, TASK-TM ER-100450, PLA-650, NUDOCS 8103100523
Download: ML18026A512 (48)

Text

REGUI ATORiNFORMATION DIGTRIOUTION 8TEM (RIOR)

+-

.'E'CCESSION NBR:8103100523 DOC ~ DATE-: 81/03/04 NOTARIZED'O D

FACII.'.50 387 Susquehanna Steam Electric Station~

Unit 1g Pennsylva 50 388 Susquehanna Steam Electric Station~

Unit 2i Pennsy'Iva 05 00388 AUTH INANE AUTHOR AFFILIATION CURTISiN.N.

Pennsylvania Power 8 Light Co<

RECIP ~ NAME" RECIPIENT AFFILIATION YOUNGBLOODpB,J, l.icensing Branch 1

SUBJECT:

Forwards draft symptom based procedures per NUREG. 0737,Item I.C,8 requirement.

DISTRIBUTION CODEA A046S COPIES RECEIVEDILTR ENCL SIZEe TITLE:: Response to NUREG 0737/NUREG 0660 TMI Action Plan Rgmts (OL's)

NOTES!Send ILE 3 copies FSAR L all

amends, Send ILE 3 copies FSAR 8 all amends'5000387 05000388 RECIPIENT ID CODE/NAME'CTION YOUNGBLOODg B 05 INTERNAl.: A/D CSC SYS

?7 A/D FOR TECH 32'/D LICENS 16 A/D OP REACT 15 A/D RAD PROT 26 DEP DIRE DHFS 29 DIRECTORS'E<

21 DIRECTORS'L 14 DIRECTOREDST 30 OELD PDR 02 COPIES LTTR ENCL' 7

1 1

1 1

1 1

1 1

1 1

1 1

1 1

1 1

1 1

1 0

~

1 1

RECIPIENT'D CODE/NAME A/D CLS ENG 22'/D GEN PROJ 31 A/D MLQ ENG 23 A/D PLANT SYS25 A/D SAFETY AS17 0IR g EM PREP 33 DIRECTORS'HFS28 DIRECTORS'SI 24 ILE 12 OR A

SS BR 18 01

,COPIES LTTR ENCL 1

1 1

1 1

1 1

1 1

1 1

1 1

1 1

1 2

2 3

3 1

1 EXTERNAL: ACRS NSIC 34 04 16 16 1

1 LPDR 03 1

1 TOTAL NUMBER OF COPIES REQUIRED:

I.TTR 50 ENCL 49

'L

• r P,

I l

ll I

~

- R,(

J I

I' Y

~

~,

't

03 Z Oo gott

~

~

Ã

,/

/

t 4 cthe ++cd, 'Rsvp'j 4+4*0:A~pt <N>~~ C p sh'V~X44$ ?>fat A..

h ) v'h t PEiWSYLVA'.tIA PO~eER h L GHT CO~PA.iY h-I-SUSQi:"C W SA L.eiiS 1

~F I

• .. "'ROCEu-..- APPRA"AL FOPii'.'

c h

eh TITLE:

'O&0-021 LEVEL CONTROL Effective Date

REVISION, 0

PAGc. 1 OF 4

Af PORC R~Z-i RZQuIRR YES (

) iO(

)

Meeting.'.~er ORIGIA'~aTOR.:-

P. E. Taylor.

h I

APPROVE SECTIO'.e DATE

'ii:-'.D=~T OF 2~

e 1.

~

ENTRY CONDITIONS h

U ~

h hhhhh r"-

h The entry conditions for this procedure

~an of the following:

a.

RPV water level. less than +13".

b.

Drywell pressure greater than 1.69 psig.

~

Ce An isolation condition exists which requires or initiates reactor scram (Group I, II, VI, VII gsolations).

2.

OPERATOR. ACTIONS CAUTION NOTIFY SHXFT SUPERVISOR TO CLASSXFY THE EVENT AND XNXTIATE PKRGENCY PLAV 2PLEMKVXNG PROCEDURES IF APPROPRIATE.

2.a.

CONFIIQl initiation of a reactor scram and PERFORM EO-00>>001, Reactor Scram, concurrently with this procedure.

2.t.

CONFIRM initiation of sFsten isolations consistent eitth FOR:.I AOCO CJI t-tso-. I -p,lant patanetets.

Page 1 of 1

EO-00-021 Revision 0 Page 2 of 4 2.c.

CONFIRM automatic initiation of ECCS systems and SBGT system consistent with plant parameters.

2.d.

CONFIRM diesel generators start consistent with plant parameters.

~ a I '

~

h P

a ~

z

%F%

V t4, ~

,r I

V

'I 4

~'s EO-00-021

. Revision 0 Page 3 of 4 CAUTION AVOID RPV HIGH MATER LEVEL TRIP (+54") OF FM PUMPS,

RCIC, AND HPCI.

. a 4~~ <<~C A

"P 2.e.

RESTORE and EQNTAIN RPV water level between

+13" and +54" with one or, more of the following systems:

1.)

Condensate/Feedwater'er OP-44-001 - 1076 to 0 psig 2.)

CRD per OP-55-001 -,1076 to 0 psig.

l.

INCREASE flowrate to maximum, OPERATE two pumps if possible.

r 3.)

RCIC per OP-50-001 - 1076 to 60 psig (600 gpm)

E 4.)

HPCI per OP-52-001 - 1076 to 110 psig (5000 gpm) 5.)

. CS Loops A and B per OP<<51-001 - 455 to (0 - 6350 0

psig.'pm/loop) 6.)

LPCI Loops A and B per OP-49-001 - 455 to 0 psig.

(0 - 21,300 gpm/loop) 2.f. If RPV water level can be restored and maintained above +13".

Then it is determined that an emergency does not exist ENTER appropriate GO-as determined by the Shift Supervisor.

2.g. If Then RPV water level cannot be maintained above +13" MAINTAINRPV water level above 0" on Fuel Zone Indicator

t"

- ~

~ ~

W

~

V Q

~

I V

t

'i

~

~

~

'E. E, t

V'r E'E I t,.'O-00"021 Revision-0 Page 4 of,4 rr i

E 2.h..If RPV water level cannot be maintained above 0" on Fuel Zone Indicator.

il ENTER EO-00-024 Level Restoration 2.i. If

,: SRV's are cycling VV V

Then

'anually open one SRV and reduce RPV pressure to below 926 psig.

E E

~

r AND Start RCIC to minimize SRV cycling.

2.j.

When RPV water level has stabilized Then'.

ENTER E0-00-022, Cooldown.,

3.

DISCUSSION This proceduxe provides the direction necessary,to restore and stabilize RPV water level.

4.

REFERENCES a v EO-00-001 Reactor Scram

b. 'O-00-022 Cooldown c ~

EO-00-024 Level Restoration d.

OP"44-001 Condensate and Feedwater System e.

OP-49-001 RHR System f.

OP-SO-001 Reactor Core Isolation Cooling System g.

OP-51-001 Core Spray System h.

OP"S2"001 High'Pressure Coolant Injection System OP-55-001 Control Rod Drive Hydraulic System

t

~

T.

PWYtSYLVMXM-PQ~~i -5 LIGHT C ~PA'.iY SUSa t:-<~Z~ SA l I"8 1 ~

C

"=-."-'--". '

'ROC u

-..= APPROVAL FO'P~~:

F

. ~

TITLE:

.EO&0<<022 COOLDOWN Effective Date RmlSIQ:;

0 XaGE a OF 4

..;;PORC RKX:-i R:-QUIPU:

'-ES ( );iQ (

)

haeting.'u~rer

.'RIGINATOR:

P. E.

Taylor,:;-'PPROV~~

SECTS.G'ATE

~iT=.D='.I 0= Z~

~

~

This procedure is entered from level has been stabilized; 2'PERATOR ACTIONS --..

E0-00-021, Level Contxol, after the RPV water r

CAUTION DO NOT SECURE OR PLACE AN ECCS IN MANUAL LMODE lRTLESS, BY AT BREAST TWO INDEPENDENT INDICAITONS, (1). MISOPERATION IN AUTOMATIC IS CONFIRMED, OR (2)

ADEQUATE. CORE COOLING IS ASSURED.

IF AN ECCS IS PLACED IN MANUAL, IT WILL NOT INITIATE AUT(RUSTICALLY.

MAKE FREQUENT CHECKS OF THE INITIATINGOR CONTROLLING PAEUQKTER... WHEN. MANUAL'PERATIONIS NO LONGER REQUIPZD, RESTORE THE SYSTEM TO AUTOMATIC/STANDBYMODE IF POSSIBLE.

r

~

2.a. If Then High drywe11 pressure (1.69 psig) is present while depressurizing the RPV and RPV level can be maintained'bove

+13 inches using the high pressure systems PREVENT infection from the CS and LPCI systems prior to reaching the RPP pressure at which they

'will in)ect.

When the high drywall pressure condition clears, RESTORE

~ CS and LPCI to the standby condition.

r ~

HH AD-CO&01-1 Rev 1

age 1 of I

EO"00"022 Revision 0 Page 2 of 4 2.b. CONTINUE HAXHTAININO RPV water level between 0" on Fuel Zone indicator and +54" with one or more of the following systems:

1.)

Condensate/Feedwater per OP-44-001 -

1076 to 0 psig 2.)

CRD per OP-55-001 - 1076 to 0 psig a.)

INCREASE flowrate to maximum, OPERATE TWO pumps if possible.

3.)

RCIC per OP-50-001 - 1076 to 60 psig (600 gpm) 4.)

5.)

6.)

HPCI per OP-52-001 - 1076 to 110 psig (5000 gpm)

CS Loops A and B.

. 455 to 0 psig (0 - 6250 gpm/loop)

LPCI Loops A and B per OP-49-001 -

455 to 0 psig (0 - 21,300 gpm/loop) 2.c. If Then high suppression pool water level (23'") exists OR low CST level 3'7.5" exists CONFIRM automatic transfer of HPCI and HANUAJLY TRANSFER RCIC suction from the CST to the suppression pool.

2. d. If Then RPV water level cannot be determined or maintained above 0" on Fuel Zone indicator ENTER E0-00-024, I,evel Restoration 2.e If Then SRV's are cycling MANUALLYOPEN one SRV and REDUCE RPV pressure to below 926 psig.

START RCIC to minimize SRV cycling

1 1

EO-00"022 Revision',0 Page 3 of 4 I

2.f. DEPRESSURIZE and COOLDOWN the RPV at less than 100 F per hour per GO-00-004.

1.)

Pressure reduction may be augmented in accordance with E0-00-026.

CAUTION DO'NOT DEPRESSURIZE THE RPV BELOW 110 PSIG UNLESS MOTOR DRIVEN PUMPS SUFFICIENT TO MAINTAINRPV MATER LEVEL ARE RUNNING AND AVAILABLEFOR INJECTION.

<<<<<<'S 2.g. Shed Then 2.h. If Then the RHR shutdown cooling interlocks clear

- INITIATE the shutdown cooling mode of RHR.:

the RHR shutdown cooling mode cannot

'e established and further cooldown is required CONTINIJE to cooldown using one or more of the systems used for depressurization.

MAINTAINRPV water temperature above 70 F.

2.i. If 3.)

4.)

5.)

RPV cooldown is required but cannot be accomplished PERFORM the following:

INITIATE suppression pool cooling mode of RHR.

CLOSE the RPV head vents, MSIV's and main steam line drain valves if open.

OPEN one SRV.

SLOMLY RAISE RPV water level to establish a water flow path through the open SRV back to the suppression pool START one CS or LPCI pump with suction from the suppression pool.

~v

~

~e' I

E P

4 a* te

~ ~

EO"00"022 Revision 0 Page 4 of 4 6.)

When Then injection is established STABILIZE RPV pressure below 250 psig.

a.) If RPV pressure does not stabilize below 250 psig Then OPEN another SRV 2.j.

CONTROL suppression pool temperature to MAINTAINRPV water temperatures above 70~K.

2.R.

When plant conditions permit, PROCEED to cold shutdown in accordance with GO-00-004, Reactor Shutdown from Minimum Power Operations to.

Cold Shutdown Conditions.

3.

DISCUSSION This procedure provides the direction necessary to depressuirze and cooldown the RPV to cold shutdown conditions while maintaining RPV water J.evel within a satisfactory range.

4.

REFEKHCES a.

EO-00-021 Ievel Control b.

EO-00-024 Level Restoration c.

EO-00-025 RPV Pressure Reduction (preferred methods) d.

60-00-004 Reactor Shutdown from Minimum Power Operations to Cold Shutdown Conditions e.

OP-44-001 Condensate and Zeedwater System f.

'OP-49-001 RHR System g.

OP-50-001 Reactor Core Isolation Cooling System h.

OP"51-001 'ore Spray System OP-52-001 High Pressure Coolant Injection System OP-55-001 Control Rod Drive Hydraulic System

4 ~

~~ >> : ~-~-',-.-

r-':J- ~i" ~~a<-,r.".f,"1.,;:=.;:.~ ~-:~

.i"rr:-.:.~i :.~

<<~'>>

-. ~

~

ihFC..;

i-~

-~ i., A~P-irr~vfp';~i'!<~~'. V<<<>> Yet.'~>a'. a~~~~.

I I

v

'BiYSX~%AYIA PO~~R h Lar~HT'O~~AXY'"

tt f

Yy' PROC=u....=. APPRl"'AL FO.i V

I Effective Date.

TELIC:

EO&0&23 CONIMNMENT CONTROL REVISION PAGE X. 'OF 0

1,0 PORC R~

ORIGIiUaTOR:

P.

E;. Taylor

'I Haeting.'iver 4

APPROVE%

SECli+

DATE

'L

/

t

~

I 1,

ENTRY CONDITIONS The entry conditions for this procedure are

~an of the following:

1.

Suppression Pool Water Temperature above 90'F.

2.

Drywell AtaqspIIere Temperature above 135'F.

3.

Drywell Pressure abov'e 1.69 psig.

4.

Suppression Pool Water Level above 24'.

OPERATOR ACTIONS CAUTION IRRESPECTIVE OF THE EVXRY CONDITION, ENTER THIS PROCEDURE AT STEPS 2.a, 2.b, 2.c, AND 2.d AND PERFORM THESE STEPS CONCURRENTLY WITH ONE ANOTHER.

,CAUTION NOTIFY SHIFT SUPERVISOR TO CLASSIFY THE EVENT AND INITIATE EMERGENCY KAN-IMPLEMENTING PROCEDURES IF APPROPRIATE.

~

~

AD-CQWOI-I, Rev.

1 Page 1 of 1

~5 F

~ i'

~

1 I

/,>

EO"00-023'evision 0 Page 2 of 10 C'.a.

MONITOR and CONTROL su ression ool water te erature 1)

CLOSE any SRV's that are stuck open per ON-83-001, Inadvertaat Openiag of a Safety/Relief Valve 2)

If

'a stuck SRV cannot be closed withia-2 minutes SCRAM the reactor and.PERFORM E0-00-001, Reactor Scram, concurrently with this procedure.

.r h

CAUTION DO NOT DIVERT RHR PUMPS FROM THE LPCI MODE IF CONTINUOUS'LPCI OPERATION IS REQUIRED TO ASSURE ADEQUATE CORE COOLING.

3)

If 4) lf Suppression'ool water temperature, reaches 90oF START all available suppressioa pool cooling.

Suppression pool water temperature reaches 110oF Thea SCRAM the reactor and PERFORM EO"00-001, Reactor Scram, concurrently with this procedure.

CAUTION DO NOT DEPRESSURIZE THE RPV BELOW'110 PSIG UNLESS MOTOR DRIVEN PUMPS SUFFICIENT TO MAINTAINRPV WATER LEVEL ARE RUNNING AND AVAILABLEFOR INJECTION.

CAUTION COOLDOWN RATES ABOVE 100 F/HR MAY BE REQUIRED TO ACCOMPLISH THIS STEP.

a t

a van*, a' p

<<aa h,

a a

s 4 a

~ v e

a s

p h

EO-00"023

=.

'evision 0

Page 3 of 10 A

a a

aa 5)

If

,.'hen Suppression pool water temperature" cannot be maintained below the Heat Capacity Limit, Figure EO-00-023 MAINTAINRPV pressure below the limit, using E0-00-026.=

CAUTION pl DO NOT DEPRESSURIZE THE RPV BELOW 110 PSIG UNLESS MOTOR DRIVEN PUMPS SUFFICIENT TO MAINTAINRPV WATER LEVEL ARE RUNNING AND AVAILABLEFOR INJECTION.

CAUTION COOLDOWN RATES. ABOVE 1004F/HR MAY BE REQUIRED TO ACCOMPLISH THlS STEP.

6)

Then a

If".-

. Suppression pool water temperature

".'nd RPV pressure cannot, be maintained below the Heat Capacity LimitpFigure EO-00-023-1.

'\\

'OPEN all ADS valves.

a)

If Then b)

If Then all ADS valves cannot be opened OPEN other SRV's until a total of 6 valves are open.

less than 3 SRV's can be opened RAPIDLY DEPRESSURIZE the RPV per E0>>00-,027.

I*

WC k

~t'5

~

a~ ~'c niY'wl w~~, W:4',c~j~iKj%,.ti~N s.~

i, I

~

't

.1 l.

A

I A l

'5

%C, "h

EO-00-023' Revision 0 Page 4 of 10 2.b.

MONITOR and CONTROL D ell Te erature 1)

If Then drywell temperature exceeds 135 F.

OPERATE all available drywell coolers

~ I

~

CAUTION

'WHENEVER DRYWELL TEMPERATURE EXCEEDS THE TEMPERATURE IN THE TABLE, THE ACTUAL RPV WATER LEVEL MAY BE ARMED BELOW THE ELEVATION OF THE LOWER INSTRUMENT TAP WHEN THE INSTRUMENT READS BEIOW THE INDICATED LEVEL IN THE TABLE.

Drywell Temeeratue (later)

(later)

(later)

(later)

(later)

Indicated Level (later)

(later)

(later)

(later)

(later)

Instrument Shutdown Range (0 to +400 in.)

Upset range (0 to +180 in.)

Wide range

(-150 to +60 in.)

Narrow range (0 to +60 in.)

Fuel zone

(-150 t'o +50 in.)

CAUTION t

DO NOT DIVERT RHR PUMPS FROM THE LPCI MODE IF CONTINUOUS LPCI OPERATION IS REQUIRED TO ASSURE ADEQUATE CORE COOLING.

2)

If Then drywell temperature reaches 340 F SHUTDOWN the Recirculation Pumps and the drywell cooling fans INITIATE drywell sprays

a aac m

, r a

'I II 1

r r,'l I

a ~

I a i EO-00-023 Revision 0

Page 5 of 10

~

a r

~

3)

If Then drywell temperature near the RPV level instrument reference l.eg vertical runs reaches the RPV saturation limit Figure EO-00-023-2 ENTER EO-00"025 RPV Flooding

.. CAOIION

,r DO NOT DEPRESSURIZE THE RPV BELOW 110 PSIG UNLESS MOTOR DRIVEN PUMPS SUFFICIENT TO MAINTAINRPV WATER LEVEL ARE RUNNING AND AVAILABLEFOR INJECTION.

CAUTION COOLDOWN RATES ABOVE 100 F/HR MAY BE REQUIRED TO ACCOMPLISH THIS STEP.

4)

If

'drFwell temperatnre cannot be maintained below 340oF Then a)

Then OPEN all ADS valves all ADS valves cannot be opened OPEN other SRV's until a total of 6 valves are open b)

If Then less than 3 SRV's can be opened RAPIDLY DEPRESSURIZE the RPV per EO-00-027

~

~

~

~

, g g ~

2.c.

MONITOR and CONTROL primary containment ressure with the followin s stems as re uired:

EO"00-023'evision 0 Page 6 of 10 P

St CAUTION START THE HYDROGEN RECOMBINER SYSTEM PRIOR TO PRIMARY CONTAINMENT HYDROGEN

'CONCENTRATION EXCEEDING 3.3 PERCENT BY VOLUME.

ELEVATED SUPPRESSION CHAMBER PRESSURE MAY TRIP THE RCIC OR HPCI TURBINES ON HIGH EXHAUST PRESSURE.

VENT the primary containment through the SBGT System

~onl when the drywell temperature is less than 2124F per OP"70-001, Standby Gas Treatment System.

ENSURE Chemistry samples and analyses primary containment atmosphere prior to venting.

CAUTION DO NOT DIVERT RHR PUMPS FROM THE LPCI MODE IF CONTINUOUS LPCI OPERATION IS REQUIRED TO ASSURE ADEqUATE CORE COOLING.

2)

INITIATE suppression pool sprays 'before Suppression chamber pressure reaches the Suppression Pool Spray Limit, Figure EO-00-023-3 CAUTION DO NOT OPERATE THE'REACTOR RECIRCULATION PUMPS OR PRIMARY CONTAINMENT VENITLATION FANS WHEN SPRAYING THE DRYWELL.

b V

7

'x b

a b' hEO-00-023 Revision 0

Page 7 of 10 b

b x

a 1

'b x

sbr f as~

rx'.

~

u;

'b 4) lf Then suppression chamber pressure cannot be maintained below the Pressure Suppression Limit,'. Figure E0-00-023-4..

-b ENTER EO-00-025 x

3)

SHUTDOWN the Recirculation Pumps and the Drywell Cooling Fans and INITIATE drywall sprays before suppression chamber pressure reaches the Pressure Suppression

, Limit, Figure EO-00-023-4 x

b

\\

b-bb

~

xx I

x

"EO"00"023 Revision 0 Page 8 of 10 2.d. Monitor and Control Su ression Pool Water Level MAINTAINsuppression pool water level between 22'nd 24'.

ENSURE Chemistry samples and analyzes suppression pool water level prior to discharging 2)

If Then 3)

If a high suppression pool level of 23'5" exists OR low condensate storage tank level (3'7.5") exists CONFIRM automatic transfer of HPCI and manually transfer RCIC suction from the CST to the suppression pool.

the suppression pool water level is above 24'hen adequate core cooling will continue to be assured TERMINATE injection into the reactor vessel from sources external to the primary containment.

CAUTION DO NOT DEPRESSURIZE THE RPV BELOW 110 PSIG UNLESS MOTOR DRIVEN PUMPS SUFFICIENT TO MAINTAINRPV WATER LEVEL ARE RUNNING AND AVAILABLEFOR INJECTION.

CAUTION COOLDOWN RATES ABOVE 100 F/HR MAY BE REQUIRED TO ACCOMPLISH THIS STEP.

4)

If Then suppression pool water level cannot be maintained below the Suppression Pool Ioad Limit, Figure EO-00-023-4 MAINTAINRPV pressure below the limit per EO-00-026

EO-00"023 Revision 0 Page 9 of 10 CAUTION DO NOT. DEPRESSURIZE THE RPV BEIOW 110 PSIG UNLESS MOTOR DRIVEN PUMPS SUFFICIENT TO MAINTAINRPV WATER LEVEL ARE RUNNING AND AVAILABLEFOR

'NJECTION.

CAUTION COOLDOWN RATES ABOVE 100oF/HR MAY BE REqUIRED TO ACCOMPLISH THIS STEP 5)

If Then a)

If Then b)

If Then suppression pool water level and RPV pressure cannot be restored or maintained below the Suppression Pool Ioad Limit, Figure EO"00-023"4.

OPEN all'ADS valves.

- all ADS valves cannot be opened OPEN other"SRV's until a total of 6 valves are open.

less than 3 SRV's can be opened RAPIDLY DEPRESSURIZE the RPV per E0-00-027.

6)

If Then primary containment water level reaches 122.4 feet TERMINATE injection into 'the RPV from sources external to the primary containment.

3.

DISCUSSION This procedure provides the direction necessary to control primary containment temperatures,

pressure, and level.

This procedure is performed concurrently with the procedure from which it is entered.

T

'I T,

~

~

4 T

1

<<Ig PT

\\

<<T~b 3

<<<<'Ta I<<ev I

T

,. ~

'EO"00"023 Revision 0-Page 10 of 10 4.

REFERENCES

<<% <<t'.

=

EO-00-001 Reactor Scram b.

EO-00-025 RPV Flooding c.

EO-00-026 RPV Pressure Reduction - (Preferred Methods)

~,,'.

~

'I EO-00-027 RPV Pressure Reduction - (SRV Failure) e.

ON-83-001 Inadvertant Opening of a Safety/Relief Valve f.

OP"70-001

= Standby Gas Treatment System

FIGURE EO 00 023 -

2 RPV SATURATION'IHTT 55 50

~ X CPpl 4J Cl 45 C

Ol8 4

Q LI NC Cl I

C Ol CO Cl Ol C6 0

4J Q

Cl Q

40 35 30 RPV saturation limit 200 0 1 0 200 300 4

0 500 600 700 800 900 1000 RPV Pressure (psig)

(qo

nr

'n

~.-

1,,

n, PICTURE EO 00 023 3

E J

n

~,'n 4'

'J, SUPPRESSION POOL SPRAY LIMIT gn 55 n.

Jnjn

/ /, ~/

50 45 40 S4 35 CD o

30 r

r r

/

J

/

/

J

/

//

r s'

r

/

~.

r r

/

r r

J J

/

.I

/

/

r Jr J

/

~

I, J

r J

J 25 20 Suppression Pool Spray Limit 1520 35 40 45 Suppressi6n Pool Level (ft.)

50 55

r.

r'I

~ '

~

4 r

7

'r

~

E I

r r

p

~

~

~ r v

a I

r r

FIGURE EO - 00 023 - 4 PRESSURE SUPPRESSION LIMIT r

~ rI rr rh 55

/

4 50 7"

45 g

40 35 o

30 r

r/

rF r

r I/

/

1

/

Fr F

/

/

r'5 20 Pressure Suppression Limit 15 20 35 40 45 Primary Containment Water Level (ft.)

50

3

~

~

PENNSYLVANIA POWER

& LIGHT COMPANY SUSQUEHANNA SES UNITS 1 & 2 PROCEDURE APPROVAL FORM s t~

4'<<<<<< <<

~<<

<.-",4j V

.<<p<< 'P 4~.k"

'<<'g j'."3 f<<-

~V i,fg,*

C<<

TITLE:

EON0-024 LEVEL RESTORATION Effective Date REVISION PAGE 1 OF 12 PORC REVIEW REQUIRED:

YES (

)

NO (

)

Meeting Number ORIGINATOR'. E. Taylor APPROVALS DATE PENDENT OF PLANT l.

ENTRY CONDITIONS This procedure is entered from E0-00-021, Level Control, or E0-00-022, Cooldown when RPV water level cannot be maintained above 0" on the Fuel Zone indicator.

2.

OPERATOR ACTIONS 2.a.

LINE UP for injection and START pumps in 2 or more of the following injection systems:

l)

Condensate per OP-44-001 2)

CS Loop A per OP-51-001

~

3)

CS Loop B per OP-51-001 4)

LPCI Loop A per OP-49-001 5)

LPCI Loop B per OP-49-001 FORM AD&0&01-3, Rev.

1 Page 1 of 1

I I

-~ '

LL<<C I,

r.

~ 5

<<r

~ <<

~

I

'\\

I LL Lr I

I E -00"02$

1, ~

I 2.b. If Less than 2 of the injection systems can be lined up -...

Revision 0-Page 2 of 12

<<L<<mr Then COMMENCE LINING'UP as many of the following alternate injection systems as possible:

1)

RHR Service Water-cross tie by assuring the RHR Service Water System is in operation and

" then opening HV 12 FO 73.(ASrB)'and HV 12 FO 75 (AGB) when injection is '.

' 'alled for;,

I 1

I 1

I I,'I

~

I 2)

I SBLC Boron Tank to reactor per OP-55-001, Standby Liquid Control System "1

3)

ECCS Keep-Full System, by confirming

. the Keep-Full System is lined up and assuring the condensate transfer header is pressurized per OP-37-001 1

~

~

~

~

4 P

,1 l

8 (5

<<r

'l

, '1 a

"1

'rv 5

EO-00-024 Revision 0 Page 3 of 12

'.c. Monitor RPV water level and pressure

'*+r k<<

J P

\\,,

i~

2)

If Then RPV water level trend reverses OR 4

RPV pressure trend reverses OR K

RPV pressure changes region (in Table EO-00-024-1) 7 RETURN to Step 2.c. of this procedure REFER to Table EO"00-024-1 below to determine the step to enter for existing RPV level and pressure conditions 3)

~ 4 Then at any time RPV water level cannot be determined arid't'east one normal

- or alternate injection system is lined with.at least one pump running ENTER E0-00-025, RPV Flooding (unless otherwise specified).

up TABLE EO-00-024"1 RPV PRESSURE REGION Greater Than 455 High 455 to 110 Intermediate Less Than 110 Low'PV LVL INC.

2.d.

2oee 2.f.

RPV LVL DEC.

kg.

2.h.

~

A

'f-~

NL L

, "7 I

~

I I

EO-00-024 Revision 0

Page 4 of 12 2.d.

RPV level increasing and RPV pressure greater than 455 psig (Hi h Re ion)

~ +

I V

1)

ENTER E0-00-021, Level Control at Step 2;e

~

~

~ '

>>s r

'r r

• t>>

r r

I 2.e RPV level increasing and RPV pressure between 455 and 110 si (Intermediate Re ion)

>> er EO-00"024 Revision 0

Page 5 of 12 CAUTION DO NOT DEPRESSURIZE THE RPV BELOW 110 PSIG UNLESS MOTOR DRIVEN PUMPS SUFFICIENT TO MAINTAINRPV WATER LEVEL ARE RUNNING AND AVAILABLEFOR>>

INJECTION.

'>> ~

CAUTION COOLDOWN RATES ABOVE 1004F/HR MAY BE REQUIRED TO ACCOMPLISH THIS STEP.

1)

. If Then a)

If Then b)

If Then 2)

If Then.

RCIC, and HPCI are not available AND =-

.'PV pressure is increasing OPEN all ADS valves.

all ADS valves cannot be opened OPEN other SRV's until a total of 6 valves are open.

less than 3 SRV's can be opened RAPIDLY DEPRESSURIZE the RPV.

per EO-00-027 HPCI and RCIC are not available

.AND RPV pressure is not increasing ENTER E0-00-021, Level Control at Step 2.e 3)

When Then RPV water level reaches

+13" ENTER E0-00-021, Level Control at Step 2.8

e h.

h 2.f. RPV level increasing and RPV pressure Iess Than 110 psig Low Re ion) r

"".~ ~

f

~ p

~

e 1

t, a

h ar h.'

I h

I

~ - ~

EO"00-024

, Revision 0

Page 6 of 12

\\

h,he,

, CAUTION COOLDOWN RATES ABOVE 1004F/HR MAY BE REQUIRED TO ACCOMPLISH THIS STEP.

h I Ch h

h 1)

If RPV pressure is increasing

<<j

~

'hen a) b)

2)

When If Then Then OPEN all ADS valves.

h all ADS valves cannot be opene'd OPEN other SRV's until a total of 6 valves are open.

less than 3 SRV's can be opened RAPIDLY'EPRESSURIZE the RPV per EO-00-027-RPV level exceeds 0" on the Fuel Zone indicator

<<*a Then ENTER E0-00-021, Ievel Control at Step 2.e..

s C

",,i" aa s

s Rg /~set,

eaa d

s*-

EO-00-024-'

~

evision,0 Pa e

7 of 12, e

a I

a s

~

a a

ass g

2.g.

RPV level decreasing and RPV pressure greater than 110 psig (Intermediate/Hi h re ion) 1)

If Then HPCI and RCIC are not operating RESTART HPCI per OP-52-001 and RCIC per OP-50-001

'CAUTIOI-.;:,

DO NOT DEPRESSURIZE THE RPV BELOW'10 PSIG UNLESS MOTOR DRIVEN PUMPS SUFFICIENT TO MAINTAIN.RPV WATER LEVEL ARE RUNNING AND AVAILABLEFOR INJECTION.

CAUTION COOLDOWN RATES, ABOVE 100 F/HR MAY BE REQUIRED -TO ACCOMPIISH THIS STEP.

2)

If" s

I CRD is not operating BUT s s h

~ v v Then a)

If b)

If Then at least 2 normal injection systems are lined up for injection with pumps running OPEN all ADS valves.

all ADS valves oannot be opened OPEN other SRV's until a total of 6 valves are open.

less than 3 SRV's can be opened RAPIDLY DEPRESSURIZE the RPV per EO-00-027

Y'cN

. - = ~. -~'..".

A h

3)

If J

I}.

j v h r

CRD is not operating r

w c.

+e phd t

EO;00-024',

Revision.0 Page 8 of 12 S

y, 0

~

I'

'I a

1 4)

When No normal injection system.is lined up for injection with at least one pump running.

/

'TART pumps in alternate injection...-,

systems that are lined up for injection.

= the RPV watez level drops to 0" on the Fuel Zone Indicator.

f CRD not operating, and a)

When No alternate injection system is lined up for.injection with pump running PERFORM-the following steps:

l RPV water level drops to -75" on the Fuel Zone Indicator g

~

r p'

C OR RPV water level cannot be detezmined Do Not enter E0-00-025, RPV Flooding) b)

Then OPEN one SRV As RPV pressure decreased, open additional SRV's as required by Table EO-00-024"2, (alphabetical

. opening sequence if possible).

~

~

1

~.:

~

RPV Pressure (PSIG Above 800 Between 800 and 500 Between 500 and 350 Between 350 and 250 Between 250 and 175 Between 175 and 125 Below 125 Table E0-,00-024-2 Total No. of SRV's en 3

4 EO"00-024 Revision-0 Page 9 of 12 CAUTION DO NOT DEPRESSURIZE THE RPV BELOW 100 PSIG UNLESS MOTOR DRIVEN PUMPS SUFFICIENT TO MAINTAINRPV WATER LEVEL ARE RUNNING AND AVIILABLEFOR INJECTION.

CAUTION COOLDOWN RATES ABOVE 100 F/HR MAY BE REQUIRED TO ACCOMPLISH THIS STEP.

5)

If the RPV water level drops to 0" on the Fuel Zone Indicator Then CRD is operating, or a normal injection system is lined up for injection with pump running; or an alternate injection system is

'lined up for injection with pump running OPEN all ADS valves.

I!,

J I'

J I

t""

a

~

J!

r va A'.-;";

D ",

t ZO"00"024 Revision 0 Page 10 of 12 a) all ADS valves cannot be opened VVi

~v ve d I

I av 't J~

ah-t-VVI' b). If OPEN other SRV's until a.total of 6 valves are open.

JI less than 3 SRV's can be opened RAPIDLY DEPRESSURI2Z the RPV per. E0-00-027,

th h

~

I

'4

sa EO-00"024 Revision 0

Page ll of 12 2.h.

RPV level decreasing and RPV pressure less than 110 psig low re ion)

No injection system is lined up for injection~i>$

at. least one pump running START pumps in the alternate injeciton.

systems that are lined up for injection CAUTION COOLDOpiN RATES ABOVE 100oF/HR MAY BE REQUIRED TO ACCOHPLISH THIS STEP.

2)

If Then a) 'f b)

If Then 3)

If RPV pressure is increasing OPEN all ADS valves All ADS valves cannot be opened OPEN other SRV's until a total of 6 valves are open.

less than 3 SRV's can be opened RAPIDLY DEPRESSURIZE the RPV per EO-00-027 RPV pressure is not increasing RPV water level drops to 0"'on the Fuel Zone Indicator Then OPEN all ADS valves.

.a)

If Then all ADS valves cannot be opened OPEN other SRV's until a total of 6 valves are open.

b)

OPERATE CS with suction from the suppression pool.

'4 4

E

-/ f

~,

~,-

~

4*

g r

I WP C

EO-00"024 Revision'0 Page 12 of 12 c)

. When either CS Ioop A or B is operating with suction from the suppression pool Then RPV pressure is below 105 psig TERMINATE injection into the

. RPV from sources external to the'primary containment r;

~~

~"

1

3. DISCUSSION, '.;.

This procedure provides the direction necessary to restore the RPV water level to.above the top of the active fuel while'aintaining an increasing or stable trend.

4.

REFEZKNCES a."

EO-00-021 Level Control a

b.

EO-00-022 Cooldown c.

EO-00-025 RPV Flooding d.

EO-00-027 RPV Pressure Reduction -

(SRV Failure) e.

OP-37-001 Condensate and Refueling Water Transfer

. f.

OP-44-001 Conden'sate and Feedwater System g.

OP-49-001 RHR System h.

OP-50-001 Reactor Core Isolation Cooling System i.

OP-51-001 Core Spray System j.

OP-52-001 High Pressure Coolant Injection System k.

OP-53-001 Standby Liquid Control System

e f '

VANIA POWER 6'LIGHT COMPANY

'. SUSQUEHANNA SES UNITS 1 6 2

'ROCEDURE 'APPROVAL" FORM

',C C

Effective Date TITLE:

EO&0-025 RPV FLOODING REVISION 0

PAGE 1 OF 5

PORC REVIEW REQUIRED:

YES (

)

NO (

)

Meeting Number ORIGINATOR: '

P.

E.- Tay1or APPROVALS:

DATE' ERINTE'RENT OF PLANT DATE

~

I>>

1.

ENTRY CONDITIONS

~ ~

This procedure is entered from EO-00-023 Containment Control or EO-00-024 Level Restoration when:

RPV water level cannot be determined OR

.Drywell temperature near the RPV level instrument reference leg vertical runs reaches the RPV Saturation Limit OR Suppression chamber pressure cannot be maintained below the PressureSuppression Limit.

FORM AD0&01-1, Rev. 1 Page 1 of 1

2.

OPERATOR ACTIONS EO-00-025 Revision 0

Page 2 of 5 CAUTION DO NOT PRESSURIZE THE RPV BELOW 110 PSIG UNLESS MOTOR DRIVEN PUMPS SUFFICIENT TO MAINTAINRPV WATER LEVEL ARE RUNNING AND AVAILABLEFOR INJECTION.

CAUTION COOLDOWN RATES ABOVE 100F/HR MAY BE REQUIRED TO ACCOMPLISH THIS STEP.

2.a.

OPEN all ADS valves 1)

If Then 2)

If Then all ADS valves cannot be opened OPEN other SRV's unitl a total of 6 valves are open less than 3 SRV's can be opened RAPIDIY DEPRESSURIZE the RPV per EO-00-027 2.b. If Then at least 3 SRV's are

open, CLOSE the following valves:

1)

MSIV' HV-41-F022A(B) (C) (D) and HV-41-F028A(B) (C) (D) 2)

Main steam line drains HV-41-F016 and HV-41-F019 3)

HPCI isolation'valves HV-55-F002, HV-55"F100, and HV"55-F003 4) 5)

RCIC isolation valves HV-49-F007, HV-49-F088, and HV-49-F008 RHR steam condensing isolation valves HV-51-F051A(B) and HV-51-F052A(B) 6).

RWCU isolation valves HV-144-F001 and HV-44<<F004

~

0

~

~

~

(

I I

f )

A t

4

r p <"5~ ~, 4),.sjwa4)iap+ias~l<<,nwa <'c>pi~:~++~>>.+i v,>>i 4wfij~o illa $ ry'w

• 1A A

F t

1

~)'

4 EO"00-025

. Revision' Page 3 of 5 2.'c.

INJECT water into the RPV with.all of the following:

1)

CRD per OP-55-001

'2)

Condensate Pump(s) per OP-44-001 ke ~

bi 4*

3) 4)

5)

~

6) 2.d. If Then CS Loop A per OP-51-001 CS loop B per OP-51-001 LPCI L'oop A per OP-49-001 LPCI.loop B per OP-49-DD1-RPV pressure stabilizes within 7 minutes CYCLE one SRV closed then OPEN to determine the single SRV pressure rise.

\\

2.e. If RPV pressure does not stabilize within

~ 7 minutes P

~

OR Single SRV pressure rise is less than (later) psig Then INJECT water into the RPV with ALL of the following:

RHR service water cross-'tie by assuring the RHR Service Water System is in operation and then opening HV-12"F073A(B) and HV-12"F075A(B) 2)

SBLC Boron Tank to Reactor per OP-53-001 3)

ECCS keep full system by confirming the keep-full system is lined up and assuring the condensate transfer header is pressurized per OP-37-001.

2.f. If Suppression chamber pressure exceeds the Primary Containment Pressure Limit, Figure EO-00-025-1 Then VENT the'rimary containment in accordance with OP-73-001 2.g. FILL all RPV level instrument reference legs

, ~

, ~, PAL,<<, ~

t ~

"~

<>023 when it is required to depressurize the RPV using preferred methods at a continuous rate.

2.

OPERATOR ACTIONS CAUTION DO NOT DEPRESSURIZE THE RPV BELOW 110 PSIG UNLESS MOTOR DRIVEN PUMPS SUFFICIENT TO MAINTAINRPV WATER LEVEL ARE RUNNING AND AVAILABLEFOR INJECTION.

FORM ADWOWOl-l, Rev.

1 Page 1 of 1

~ g

~

l 2.a. Main Condenser Available EO-00-026 Revision 0

Page 2 of 3 1.)

Use bypass valves to DEPRESSURIZE and COOLDOQN at the RPV, per GO-00-004.

2.)

Pressure reduction may be augmented with one or more of the following systems a.);HPCI per OP-52-001

" b.)

RCIC per OP-50-001 c.)

Other steam driven equipment (1)

Steam Jet Air Eje'ctors per OP-43-001 (2)

Steam to Reactor Feed Pumps per OP-45-001 (3)

Steam to Steam Seal Evaporator per OP-92-001 (4)

Main Condenser Deaerating Steam per OP-44-001 Reactor Water Cleanup (Recirculation Mode) per OP-61-001 Main Steam Line Drains Reactor Water Cleanup (Coolant Rejection) per OP-61"001.

ENSURE Chemistry samples and analyzes primary coolant prior to rejection.

CAUTION DO NOT DEPRESSURIZE THE RPV BEIOW 110 PSIG UNLESS MOTOR DRIVEN PUMPS SUFFICIENT TO MAINTAINRPV WATER LEVEL ARE RUNNING AND AVAILABLEFOR INJECTION..

2.e.

Main Condenser not available:

1.)

DEPRESSURIZE and COOLDOWN RPV at less than 100 F per hour using one or more of the following systems:

a;)

b.)

c.)

001 d.)

HPCI per OP-52-001 RCIC per OP-50-001 Reactor Water Cleanup System (Recirculation Mod& per OP Pressure reduction may be augmented by:

EO-00"026 Revision 0 Page 3 of 3 (1)

SRV's (in alphabetical sequence if possible)

(2)

Reactor Water Cleanup (Coolant Rejection) per OP-61-001.

ENSURE Chemistry samples and analyzes primary coolant prior to rejection.

2.h. If

'nstrument gas supply to the SRV's is lost (Instrument Gas Bottle HeaderA(B) Iow Pressure Alarm)

DEPRESSURIZE the RPV with sustained SRV opening 3.

DISCUSSION This procedure provides the direction necessary to select the proper method(s) to reduce RPV pressure at a controlled rate.

4.

REF1UKNCES a.

EO-00-022 Cooldown b.

EO-00-023 Containment Control c.

OP-43-001 SJAE and Mechanical Vacuum Pump d.

e.

OP-44-001 Condensate and Feedwater System OP-45-001 Feedwater Turbine and Lube Oil System OP-50-001 Reactor Core Isolation Cooling System OP-52-001 High Pressure Coolant Injection System h.

OP-61-001 Reactor Water Cleanup System

3. ~

J

~

OP-92-001 Steam Seal System GO-00-004 Reactor Shutdown from Minimum Power Operations to Cold Shutdown Conditions

~

~E If

~

~ I

~,\\

~-

PENNSYLVANIA POWER & LIGHT COMPANY.

SUSQUEHANNA SES UNITS 1 & 2 PROCEDURE APPROVAL FORM TITLE:

EOWO&27 RPV PRESSURE REDUCTION (SRV FAILURE)

Effective Date REVISION 0

PAGE10F.2 PORC REVIEW REQUIRED:

YES (

)

NO (

)

Meeting Number ORIGINATpR.

P.

E. Taylor APPROVALS:

DATE NTKG)ENT OF PLAiVZ DATE 1.

ENTRY CONDITIONS This procedure is entered from E0-00-023, E0-00-024, and E0>>00-025 when it

's required to rapidly depressurize the RPV and less than 3 relief valves can be opened.

2.

OPERATOR ACTIONS 2.a.

OPEN all available SRV's.

2.b. AUG?~ the pressure reduction by using one or more of the following systems (use in order which will minimize radioactive release to the environment):

(1)

Main Condenser per GO<<OO-004 FORM AD-O0-001-1, Rev.

1 Page 1 of 1

EO-00-027 Revision 0

Page 2 of 2 (2)

Other steam driven equipment:

(a)

Steam Jet Air Ejectors per OP"43"001 (b)

Steam to Reactor Feed Pumps per OP-45-001 (c)

Steam to Steam Seal Evaporator per OP"92-001 (d)

Main Condenser Qeaerating Steam per OP-44-001 (3)

(4)

Main Steam Line Drains Reactor Water Cleanup (Coolant Rejectioq)per OP-61-001.

ENSURE Chemistry samples and analyzes primary coolant prior to rejection.

(5)

HPCI steam line (6)

RCIC steam line (7)

RPV head vent 3.

DISCUSSION This procedure provides the direction necessary to rapidly reduce RPV pressure when 'less than 9 SRV's can be opened.

4.

REFERENCES a.

EO-00-023 Containment Control b.

EO-00-024 Ievel Restoration c.

EO-00-025 RPV Flooding d.

60-00-004 Reactor Shutdown from Minimum Power Operations to Cold Shutdown Condition's e.

OP-43-001 SJAE and Mechanical Vacuum Pump OP"44-001 g.

OP-45-001 Condensate and Feedwater System Feedwater Turbine and Lube Oil System h.

OP-92>>001 Steam Seal System