Cause and Effect Chart (1)

(1)

This document is sourced from 74-LOG-1150 Rev. 4, S-074-1223-111 Rev.1B and used for Tangguh LNG project.

X

M.DITTO

M.Ditto

Y. Kakutani

M.Ditto

H. Sato

Rev.

CAUSE AND EFFECT CHART UNIT - 074

Date

Page

B

Core

Non-Core

10-Jun-04

For Information

For Review

Lifecycle Code

Description

ISSUE FOR APPROVAL

T.BESSHO

Chk'd

M.DITTO

For Approval

7-Mar-06

1B

ISSUE FOR APPROVAL

6A

Issue for Approval

Issue for Release

5,8,10, 13,14,15

All

31-Aug-04

31-Mar-05

09-Sep-05

13-Jan-06

6B

1A

6C

5A

ALL

M.Ditto

Update as marked

Dikki Burhan

M.Ditto

V. Raghunathan

T. Bessho

3,4,5,6, 9,11,12,15 2-6, 8-12,

15,17

Updated based on P&ID Rev.6B

T.Bessho

U. Sutara

T.Bessho

Prep'd

For Release

For As-Bilt

App'd

BP App'd

M.DITTO

T.BESSHO

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(2)

2 of 17

SIS Type

SIS No.

Sheet

I. ESD System

074-US-2000A

3 074-US-2030

7 074-US-2100

11 074-US-2010

13 074-US-2050

14 074-US-2020

5 074-US-2040

6 II. EDP System

074-US-2000B

Zone G - Unit 074 C3A EDP

4 074-US-2120A

Zone G - Unit 074 C3A EDP

8 074-US-2000C

Zone G - Unit 074 C3B EDP

9 074-US-2120B

Zone G - Unit 074 C3B EDP

10 074-US-2200

Zone G - Unit 074 C2 EDP

12 074-US-2110

Zone G - Unit 074 C2 EDP

15 III. ESD/PSD System 074-US-2060

074-TK-1001 LEVEL LOW LOW

16 074-US-2070

074-TK-1002A/B LEVEL LOW LOW

17 UNIT 074 C2 REF. ST&TRANS. ZONE ESD

UNIT 074 C2 REF. ST&TRANS. ZONE ESD

074-TK-1002 BTM

UNIT 074 C3 REF. ST&TRANS. ZONE ESD

UNIT 074 C2 REF. ST&TRANS. ZONE ESD

074-TK-1001 BTM

Function

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INDRA

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INDRA

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VALVES O : OPEN C : CLOSE PUMPS&OTHERS R : RUN AL : ALARM P : PERMISSIVE EFFECT (OUTPUT)

DESCRIPTION P&ID No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25Rev

074-TK-1002 BTM (ESD) 74-PID-PS-1202 074-US-2040 1 T P T T

C3 LIQ.FM 041-P-1003A/B, 051-P-1001 TO 051-D-1005 74-PID-PS-1202 074-US-2030 2 T P T T

Zone G - Unit 074 C3A EDP Note-1 74-PID-PS-1202 074-US-2000B 3 P

Zone G - Unit 074 C3B EDP Note-1 74-PID-PS-1203 074-US-2000C 4 P

5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 Note-1 36

EDP valves are allowed to open when U74 (C2) system is completely isolated or 30 sec

Z on e G - U n it 074 C 3B E D P 074-US-2000C

P&ID No. : 74-PID-PS-1202

TAG No.

SIS No. : 074-US-2000A

74-PID-PS-1202 074-HS-2000A A LL RI G H T S RESERV ED UM E N T

AND ANY DAT

A INFOR M AT ION C ONT AINE D T H E R E IN AR E C ONFIDE N T IAL AND T H E PR OPE R T Y OF PE R T AM INA/ B P AND T H E C O PYR IGHT T H EREI N IN PE R T AM INA/ B P. NO PAR T OF T H IS DOC UM E N T , DAT A OR INFOR M AT ION SHAL L B E DISC L O SE D T O OT HE R E S OR R E PR ODUC E D IN ANY M 074-US-2000B 074-HS-2000B TAG No.

SIS Function :

UNIT 074 C3 REF. ST&TRANS. ZONE ESD RS : RESET S : STOP T : TRIP P& ID No. 74-PID-PS-1202

MANUAL TOTAL RESET (MCR)

CAUSE ( INPUT) DESCRI PTI O N M ANUAL TRI P ( M CR) 74-PID-PS-1203

Zone G - Unit 074 C3A EDP

74-PID-PS-1202

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(4)

DESCRIPTION P&ID No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Rev

Zone G - Unit 074 C3A EDP (Note-1, 2) 74-PID-PS-1202 1 T P

74-PID-PS-1202 2 T 6C 3 4 5 6 Note 7

1. EDP valves are allowed to open after confirmation 8

Unit 074 C3 isolation is complete, 9

or 30 sec adjustable timer expires 10

open/close answer back signals. 11

that all related USVEs are closed completely by 12

2. EDP Operating Sequence : 13

a. Trip signal to Unit 074 C3 ESD Isolation 14

b. Permissive Signal from Unit 074 C3 ESD Logic 15

(1) Unit 074 C3 ESD Isolation Complete 16

(2) 30 sec adjustable timer expires 17

c. EDP open when either item b.1 or b.2 is satisfied 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 Notes: Rev

EDP MANUAL OPEN

/CLOSE (MCR) *2 UNIT 074 IS OLATION COMP LETED Note *1 74-PID-PS-1202 74-PID-PS-1202 CAUSE (INPUT) DESCRIPTION

P&ID No. : 74-PID-PS-1202

RS : RESET

074-US-2120A

TAG No.

074-US-2000A

TAG No.

SIS Function : Zone G - Unit 074 C3A EDP

SIS No. : 074-US-2000B

THIS DOC

UMENT AND ANY DATA INFOR

M ATION C ONTAINE D THER EIN AR E C

ONFIDENTIAL AND THE PR

OPER TY OF PER T AMINA/B P AND THE C O PYR IGHT TH ER EIN VES T E D IN PER T AMINA/B P . NO PAR T OF THIS DOC UM ENT, DATA OR INFOR M ATION SHALL B E DISC LOSED TO OTHER E S OR R E PR ODUC ED IN ANY M ALL R IGHTS R E SER V ED P&ID No. 074-HS-2000C 074-US-2000A S : STOP T : TRIP

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INDRA

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INDRA

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ETHANE REFR. STORAGE TANK ISOLATION 74-PID-PS-1201 1 C C C

ETHANE REFR. TRANSFER PUMP 074-P-1001 74-PID-PS-1201 2 S S S S P S

ETHANE REFR. TRANSFER PUMP 074-P-1001 74-PID-PS-1201 3 S S S S S

4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 UNIT 074 C2 REF. ST&TRANS. ZONE ESD

CAUSE (INPUT) DESCRIPTION

MANUAL TRIP (MCR) 074-TK-1001 LEVEL LOW LOW

74-PID-PS-1201 74-PID-PS-1201 71-PID-PS-1201 74-PID-PS-1201 74-PID-PS-1201

SIS No. : 074-US-2020

TAG No.

074-HS-2020B 074-HS-2020A

SIS Function : 074-TK-1001 BTM (ESD)

P&ID No. : 74-PID-PS-1201

074-US-2060 074-US-2100 074-ZSO-2020 074-ZS

C L -2020 TAG No. 074-USY-2020 074-XY-2021AP1 074-XY-2021AP2 THIS DOC

OPER TY OF PER T AMINA/B P AND THE C O PYR IGHT TH ER EIN VES T E D IN PER T AMINA/B P . NO PAR T OF THIS DOC UM ENT, DATA OR INFOR M ATION SHALL B E DISC LOSED TO OTHER E S OR R E PR ODUC ED IN ANY M ALL R IGHTS R E SER V ED RS : RESET S : STOP T : TRIP 74-PID-PS-1201 P&ID No.

MANUAL TRIP (FIELD) 074-USVE-2020 OPEN 074-USVE-2020 CLOSE

1oo2

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PROPANE REFR. STORAGE TANK ISOLATION 74-PID-PS-1202 1 C C C

PROPANE REFR. TRANSFER PUMP 074-P-1002 74-PID-PS-1202 2 S S S S P S P S P P

PROPANE REFR. TRANSFER PUMP 074-P-10074-PID-PS-1202 3 S S S S S S

PROPANE REFR. STORAGE TANK ISOLATION 74-PID-PS-1202 074-USY-2040B 4 C C C PROPANE REFR. STORAGE TANK ISOLATION 74-PID-PS-1202 074-USY-2040C 5 C C C PROPANE REFR. STORAGE TANK ISOLATION 74-PID-PS-1202 074-USY-2040D 6 C C C

7 8 Note: *1. Start permissive logic depends on the selected 9 position of 074-HS-2040C. Normally position C. 10 Position (A) Tank A online 11 Pump can be started after receiving 12 074-ZSO-2040A/C permissive signals. 13 Position (B) Tank B online 14 Pump can be started after receiving 15 074-ZSO-2040B/D permissive signals. 16 Position (C) Both tank online 17 Pump can be started after receiving 18 all permissive signals. 19 20 *2. Stop logic depends on the selected 21 position of 074-HS-2040C. Normally position C. 22 Position (A) Tank A online 23 Stop pump on 1oo1 signal 24 Tank B signal to be ignored/suppressed. 25 Position (B) Tank B online 26 Stop pump on 1oo1 signal 27 Tank A signal to be ignored/suppressed. 28 Position (C) Both tank online 29 Stop pump on 2oo2 signal 30 31 32 33 34 35 36 37 38 39 Rev 6C 6C 6C 6C DESCRIPTION

MANUAL TRIP (FIELD) MANUAL TRIP (MCR) UNIT 074 C3 REF.

ST&TRANS.

ZONE ESD

074-TK-1002A/B LEVEL LOW LOW

CAUSE (INPUT)

P&ID No.

74-PID-PS-1202 74-PID-PS-1202 74-PID-PS-1202 74-PID-PS-1202 74-PID-PS-1202 74-PID-PS-1202 74-PID-PS-1202 74-PID-PS-1202 74-PID-PS-1202 74-PID-PS-1202

SIS No. : 074-US-2040

TAG No.

074-HS-2040B 074-HS-2040A 074-US-2000A 074-US-2070 074-ZSO-2040 A 074-ZS 074-ZSO-2040 D

CL -2040 A 074-ZSO-2040 B 074-ZS C L -2040 B

SIS Function : 074-TK-1002 BTM (ESD)

P&ID No. : 74-PID-PS-1202

074-ZSO-2040 C TAG No. 074-USY-2040A 074-XY-2041AP1 074-XY-2041AP2 ALL R IGHTS R E SER V ED THIS DOC

OPER TY OF PER T AMINA/B P AND THE C O PYR IGHT TH ER EIN VES T E D IN PER T AMINA/B P . NO PAR T OF THIS DOC UM ENT, DATA OR INFOR M ATION SHALL B E DISC LOSED TO OTHER E S OR R E PR ODUC ED IN ANY M RS : RESET S : STOP

T : TRIP 074-USVE-2040 A OPEN

* 1 074-USVE-2040 A CLOSE * 2 074-USVE-2040 D OPEN * 1 074-USVE-2040 B OPEN * 1 074-USVE-2040 B CLOSE * 2 074-USVE-2040 C OPEN * 1 1oo2

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INDRA

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INDRA

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C3 LIQ.FM 041-P-1003A/B, 051-P-1001 TO 051-D-1005 74-PID-PS-1202 074-USY-2030 1 C 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39

C3 REFRIGERANT STORAGE ISOLATION

RS : RESET S : STOP T : TRIP P&ID No. 74-PID-PS-1202 TAG No.

SIS Function :

UNIT 074 C3 REF. ST&TRANS. ZONE ESD

ALL R IGHTS R E SER V ED THIS DOC

OPER TY OF PER T AMINA/B P AND THE C O PYR IGHT TH ER EIN VESTED IN PER T AMINA/B P . NO PAR T OF THIS DOC UMENT, DATA OR INFOR M ATION SHALL B E DISC LOSED TO OTHER E S OR R E PR ODUC ED IN ANY M 074-US-2000A

P&ID No. : 74-PID-PS-1202

TAG No.

SIS No. : 074-US-2030

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DESCRIPTION P&ID No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 Rev

C3 VAPOR FM. 074-TK-1002 TO DRY FLARE 74-PID-PS-1202 1 O C C Note-1

3

Note-1 4

To close EDP valve, reset from MCR is to be initiated first and then field reset is to be

initiated later. 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 Rev S : STOP T : TRIP A LL RI G H T S RES E RV ED T H IS DOC UM E N T

AND ANY DAT

A INFOR M AT ION C ONT AINE D T H E R E IN AR E C ONFIDE N T IAL AND T H E PR OPE R T Y OF PE R T AM INA/ B P AND T H E C O PYR IGHT T H EREI N VE ST E D IN PE R T AM INA/ B P. NO PAR T OF T H IS DOC UM E N T , DAT A OR INFOR M AT ION SHAL L B E DISC L O SE D T O OT HE R E S OR R E PR ODUC E D IN ANY M 074-HS-2120A 074-HS-2000D 074-USY-2120C TAG No.

SIS Function : Zone G - Unit 074 C3A EDP

SIS No. : 074-US-2120A

074-US-2000B

074-USY-2120A

TAG No.

P&ID No. : 74-PID-PS-1202

RS : RESET 74-PID-PS-1202 P& ID No. CAUSE ( INPUT) DESCRI PTI O N C3 REFRI G

ERANT STORAGE EDP

74-PID-PS-1202 74-PID-PS-1202 EDP RESET TO CLO S E ( M CR) EDP RESET TO CLO S E ( F IE LD)

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INDRA

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INDRA

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Zone G - Unit 074 C3B EDP 74-PID-PS-1203 1 T P

C3 REF. STORAGE ISOLATION 74-PID-PS-1202 074-US-2000A 2 T 6C

3 4 5 6

Note 7

1. EDP valves are allowed to open after confirmation 8

c. EDP open when either item b.1 or b.2 is satisfied 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39

EDP MANUAL OPEN

/CLOSE (MCR) *2 C3 REF R IGE. S T ORAGE IS OLATION COMP LETED Note *1 74-PID-PS-1202 RS : RESET S : STOP T : TRIP P&ID No. 74-PID-PS-1203 TAG No.

SIS Function : Zone G - Unit 074 C3B EDP

ALL R IGHTS R E SER V ED THIS DOC

OPER TY OF PER T AMINA/B P AND THE C O PYR IGHT TH ER EIN VESTED IN PER T AMINA/B P . NO PAR T OF THIS DOC UMENT, DATA OR INFOR M ATION SHALL B E DISC LOSED TO OTHER E S OR R E PR ODUC ED IN ANY M 074-HS-2000D 074-US-2000A 074-US-2120B

P&ID No. : 74-PID-PS-1203

TAG No.

SIS No. : 074-US-2000C

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3

Note-1 4

initiated later. 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 Rev

C3 REFRIGERANT STORAGE EDP

74-PID-PS-1203 74-PID-PS-1203

EDP RESET TO CLOSE (MCR) EDP RESET TO CLOSE (FIELD)

P&ID No. : 74-PID-PS-1203

RS : RESET 74-PID-PS-1203 074-USY-2120B TAG No. 074-HS-2120B 074-HS-2000D 074-USY-2120D TAG No.

SIS Function : Zone G - Unit 074 C3B EDP

SIS No. : 074-US-2120B

THIS DOC

OPER TY OF PER T AMINA/B P AND THE C O PYR IGHT TH ER EIN VES T E D IN PER T AMINA/B P . NO PAR T OF THIS DOC UM ENT, DATA OR INFOR M ATION SHALL B E DISC LOSED TO OTHER E S OR R E PR ODUC ED IN ANY M ALL R IGHTS R E S E R V ED P&ID No. 074-US-2000C S : STOP T : TRIP

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INDRA

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INDRA

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074-TK-1001 BOTTOM BLOCK 74-PID-PS-1201 1 T P T

C2 LIQ. FM 041-P-1002A/B / TO 051-D-1010 74-PID-PS-1201 2 T P P T

C2 VAPOR TO 041-E-1012 74-PID-PS-1201 3 T P P T

Zone G - Unit 074 C2 EDP Note-1 74-PID-PS-1201 4 P

5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 Note-1 36

EDP valve is allowed to open when U74 (C2) system is completely isolated or 30 sec time

M ANUAL TRI P ( M CR) 74-PID-PS-1201 74-PI D- PS-1201

MANUAL TOTAL RESET (

M

CR)

074-TK-1001 HIGH SKIN TEMP

CAUSE ( INPUT) DESCRI PTI O N

Zone G - Unit 074 C2 EDP

RS : RESET 74-PID-PS-1201 74-PID-PS-1201 074-TT-1401 074-HS-2100B 074-US-2050 074-US-2010 TAG No.

SIS Function :

SIS No. : 074-US-2100

074-US-2020

TAG No.

P&ID No. : 74-PID-PS-1201

UM

E

N

T

AND ANY DAT

A INFOR M AT ION C ONT AINE D T H E R E IN AR E C ONFIDE N T IAL AND T H E PR OPE R T Y OF PE R T AM INA/ B P AND T H E C O PYR IGHT T H EREI N V E STED I N INA/ B P. NO PAR T OF T H IS DOC UM E N T , DAT A OR INFOR M AT ION SHAL L B E DISC L O SE D T O OT HE R E S OR R E PR ODUC E D IN ANY M 074-US-2200 A LL RI G H T S RESERV ED P& ID No. 074-HS-2100A 074-US-2200 S : STOP T : TRIP

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Zone G - Unit 074 C2 EDP 74-PID-PS-1201 1 T P

C2 REF. STORAGE ISOLATION 74-PID-PS-1201 2 T 6C

3 4 5 6

Note 7

1. EDP valve is allowed to open after confirmation 8

c. EDP open when either item b.1 or b.2 is satisfied 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 Rev S : STOP T : TRIP P&ID No. 074-HS-2200 074-US-2100 ALL R IGHTS R E SER V ED THIS DOC

OPER TY OF PER T AMINA/B P AND THE C O PYR IGHT TH ER EIN VES T E D IN PER T AMINA/B P . NO PAR T OF THIS DOC UM ENT, DATA OR INFOR M ATION SHALL B E DISC LOSED TO OTHER E S OR R E PR ODUC ED IN ANY M 074-US-2100 TAG No.

SIS Function : Zone G - Unit 074 C2 EDP

SIS No. : 074-US-2200

P&ID No. : 74-PID-PS-1201

074-US-2110

TAG No.

RS : RESET

EDP MANUAL OPEN

/CLOSE (MCR) *2 C2 REF. STORAGE ISOLATION COMPLETED 74-PID-PS-1201 74-PID-PS-1201

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INDRA

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INDRA

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C2 LIQ.FM 041-P-1003A/B TO 051-D-1010 74-PID-PS-1201 1 C

2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 S : STOP T : TRIP P&ID No. 074-US-2100 ALL R IGHTS R E SER V ED THIS DOC

OPER TY OF PER T AMINA/B P AND THE C O PYR IGHT TH ER EIN VES T E D IN PER T AMINA/B P . NO PAR T OF THIS DOC UM ENT, DATA OR INFOR M ATION SHALL B E DISC LOSED TO OTHER E S OR R E PR ODUC ED IN ANY M TAG No.

SIS Function :

SIS No. : 074-US-2010

074-USY-2010

TAG No.

P&ID No. : 74-PID-PS-1201

RS : RESET

C3 REFRIGERANT STORAGE ISOLATION

74-PID-PS-1201

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C2 VAP FM 074-TK-1001 TO 041-E-1012 74-PID-PS-1201 1 C

2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 Rev C2 REF. STORAGE ISOLATION 74-PID-PS-1201

P&ID No. : 74-PID-PS-1201

RS : RESET

074-USY-2050

TAG No.

SIS Function :

SIS No. : 074-US-2050

THIS DOC

OPER TY OF PER T AMINA/B P AND THE C O PYR IGHT TH ER EIN VES T E D IN PER T AMINA/B P . NO PAR T OF THIS DOC UM ENT, DATA OR INFOR M ATION SHALL B E DISC LOSED TO OTHER E S OR R E PR ODUC ED IN ANY M ALL R IGHTS R E SER V ED P&ID No. 074-US-2100 S : STOP T : TRIP

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INDRA

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INDRA

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C2 VAP FM 074-TK-1001 TO DRY FLARE 74-PID-PS-1201 1 O C C Note-1

C2 VAP FM 074-TK-1001 TO DRY FLARE 74-PID-PS-1201 2 O C C Note-1

3

Note-1 4

initiated later. 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 C2 REF. STORAGE DEPRESS. 74-PID-PS-1201 74-PID-PS-1201

EDP RESET TO CLOSE (MCR) EDP RESET TO CLOSE (FIELD)

P&ID No. : 74-PID-PS-1201

RS : RESET 74-PID-PS-1201 074-USY-2110A TAG No. 074-HS-2110 074-HS-2000D 074-USY-2110B TAG No.

SIS Function : Zone G - Unit 074 C2 EDP

SIS No. : 074-US-2110

THIS DOC

OPER TY OF PER T AMINA/B P AND THE C O PYR IGHT TH ER EIN VES T E D IN PER T AMINA/B P . NO PAR T OF THIS DOC UM ENT, DATA OR INFOR M ATION SHALL B E DISC LOSED TO OTHER E S OR R E PR ODUC ED IN ANY M ALL R IGHTS R E SER V ED P&ID No. 074-US-2200 S : STOP T : TRIP

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074-TK-1001 BOTTOM BLOCK 74-PID-PS-1201 1 T T 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 Rev S : STOP T : TRIP P&ID No. 074-LT-1101 (LL) 074-LT-1102 (LL) ALL R IGHTS R E SER V ED THIS DOC

OPER TY OF PER T AMINA/B P AND THE C O PYR IGHT TH ER EIN VES T E D IN PER T AMINA/B P . NO PAR T OF THIS DOC UM ENT, DATA OR INFOR M ATION SHALL B E DISC LOSED TO OTHER E S OR R E PR ODUC ED IN ANY M TAG No.

SIS Function :

074-TK-1001 LEVEL LOW LOW (PSD)

SIS No. : 074-US-2060

074-US-2020

TAG No.

P&ID No. : 74-PID-PS-1201

RS : RESET

074-TK-1001 LEVEL LOW LOW (2 out of 2) 074-TK-1001 LEVEL LOW LOW (2 out of 2)

74-PID-PS-1201 74-PID-PS-1201

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INDRA

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074-TK-1002A/B BOTTOM BLOCK 74-PID-PS-1202 1 T T 2 3 4 5 Note: *1. Trip logic depends on the selected 6 position of 074-HS-2040C. Normally position C. 7 Position (A) Tank A online 8 1 out of 1 voting shall be applied 9 only for signal from 074-LT-1112. 10 Position (B) Tank B online 11 1 out of 1 voting shall be applied 12 only for signal from 074-LT-1111. 13 Position (C) Both tank online 14 2 out of 2 voting shall be applied. 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 074-TK-1002

B LEVEL LOW LOW (2 out of 2) *1

074-TK-1002A LEVEL LOW LOW (2 out of 2) *1

74-PID-PS-1202 74-PID-PS-1202 CAUSE (INPUT) DESCRIPTION

P&ID No. : 74-PID-PS-1202

RS : RESET

074-US-2040

TAG No.

SIS Function :

074-TK-1002A/B LEVEL LOW LOW (PSD)

SIS No. : 074-US-2070

THIS DOC

OPER TY OF PER T AMINA/B P AND THE C O PYR IGHT TH ER EIN VES T E D IN PER T AMINA/B P . NO PAR T OF THIS DOC UM ENT, DATA OR INFOR M ATION SHALL B E DISC LOSED TO OTHER E S OR R E PR ODUC ED IN ANY M ALL R IGHTS R E SER V ED P&ID No. 074-LT-1111 (LL) 074-LT-1112 (LL) S : STOP T : TRIP