PRESENTATION ON PRESENTATION ON PLANT CONTROLS & INST. OVERVIEW

OF GGSR - BATHINDA (CPP)GGS (C )

OWNER : M/S HMELPMC : M/S EIL

BHEL-PE&SD

GGSR CPP- PLANT OVERVIEW

C&I DESIGN OVERVIEW- INSTRUMENTATION

APPLICATION DESIGN PHILOSOPHY

HAZARDOUS AREA PROTECTION INTRINSIC SAFE CONCEPT & EX-PROOF FOR SOV/ HIGHER VOLTAGE

PROCESS PARAMETER MONIROING & SMART TRANSMITTER (4-20mA), 2oo3 SENSORS CONTROL

( )FOR CRTICAL LOOPS

INSTRUMENT FOR ALARM/SHUTDOWN SEPARATE SMART TRANSMITTER (4-20mA), (SWITCHES ARE AVOIDED FOR RELIABILITY)(SWITCHES ARE AVOIDED FOR RELIABILITY).

CONTROL VALVES WITH SMART POSIT’NR WITH INTEGRAL I/P

FUEL FLOW MEASUREMENT MASS FLOW METERFUEL FLOW MEASUREMENT MASS FLOW METER

FUEL TANKS LEVEL MEASUREMENT RADAR LEVEL TRANSMITTER

PROCESS SWITCHES NOT USED

TEMPERATURE MONITOING Pt-100, 3-WIRE RTDs & K-TYPE T/C

TEMPERATURE CONTROL TEMP TRANSMITTERS

Cont’d….

C&I DESIGN OVERVIEW

• INSTRUMENTATION POWER SUPPLY

APPLICATION POWER SUPPLY RATINGAPPLICATION POWER SUPPLY RATING

FIELD TRANSMITTERS 24V DC, LOOP POWERED FROM CONTROL SYSTEM

MASS FLOW METERS & RADAR LEVEL TRANSMITTERS

110V AC UPS

SOLENOID VALVES 110V AC UPS POWERED FROM DCS RELAY LOGICSOLENOID VALVES 110V AC UPS, POWERED FROM DCS RELAY LOGIC

CONTROL VALVES 24V DC, LOOP POWERED FROM CONTROL SYSTEM

ANALYSERS 110V AC UPS

MOV INDICATIONS 24V DC POWERED FROM CONTROL SYSTEM

MOV OPEN/CLOSE COMMANDS 24V DC POWERED FROM ACTUATOR

PUMP INDICATIONS 24V DC POWERED FROM CONTROL SYSTEM

PUMP START/STOP COMMANDS 240V AC/220V DC POWERED FROM SWITCHBOARD

C&I DESIGN OVERVIEW – CONTROL SYSTEM

• maxDNA DCS IS PROVIDED FOR COMPLETE CPP CONTROL & MONITORING FROM MAIN CONTROL ROOM& MONITORING FROM MAIN CONTROL ROOM

• FUNCTIONSo PROCESS MONITORING o PROCESS MONITORING o PUMP & MOV OPERATIONS, SEQUENCE CONTOL OPERATIONSo CONTROL VALVES OPERATIONS & SUB-PKG MONITORING

• INTERLOCK & SHUT DOWN SYSTEM – PART OF maxDNA DCS • DEDICATED SYSTEMS ARE PROVIDED FOR

o GAS TURBINE - MARK-VIo HRSG & UB FIRING SYSTEM - BMS PLC with BACK UP CONTROL DESKo VIBRATION SYSTEMS FOR GT & STo PACKAGE SYSTEM FOR HSD CENTRIFUGE, COMPRESSED AIR SYSTEM,

A/C,

ABOVE SUB-SYSTEMS ARE INTEGRATED WITH PLANT DCS

…

REDUNDANCYREDUNDANCYPROCESSOR - 1:1POWER SUPPLY - 1:1COMMUNICATION NETWOK - 1:1I/O MODULES – 1:1 (CRITICAL)

CPP DCS –OPERATOR INTERFACECPP DCS OPERATOR INTERFACE

•• OPERATOR STATIONS –9 Nos IN CONTROL ROOMo PROVIDED FOR OPERATOR INTERFACEo FOR PLANT START-UP MONITORING CONTROL & SHUTDOWNo FOR PLANT START UP, MONITORING, CONTROL & SHUTDOWNo TO VIEW PROCESS PARAMETERS, ALARMS, TRENDS, SET POINTSo DRIVES OPERATION– A/M SELECTION, START/ STOP & SEQUENCE

CONTROL

DISTRIBUTION OF OPERATOR STATIONSDISTRIBUTION OF OPERATOR STATIONS

FOR HRSG - 2 NosFOR UB 2NosFOR UB - 2NosFOR STEAM TURBINES - 2 NosFOR BOP SYSTEMS - 2 NosPLANT SUPERVISOR 1 NOPLANT SUPERVISOR - 1 NO

Cont’d….

CPP DCS –OPERATOR INTERFACECPP DCS OPERATOR INTERFACE

• ENGINEERING STATIONS –2 NosG G S O S oso FOR PLANT GRAPHICS MODIFICATIONS/ NEW GRAPHICS BUILDINGo FOR APPLICATION SOFTWARE MODIFICATIONS

LOGICS / SEQUENCE CONTROL MODIFICATIONSo LOGICS / SEQUENCE CONTROL MODIFICATIONSo VALIDATTION OF LOGICS BEFORE DOWNLOADING INTO DPU.

• HISTORIAN STATION 1 No• HISTORIAN STATION –1 Noo FOR HISTORIAN DATA COLLECTION & ARCHIVING.o DATA QUERY FOR TRIP ANALYSIS/ REPORTS.o DATA STORAGE INTERVAL IS PROGRAMMABLEo ARCHIVAL STORAGE TO CD-ROM.

• maxLINK STATION –2 Noo FOR INTERFACING - MARK VI, BMS PLCs, VIBRATION MONITORING SYS

DATA TRANSFER TO DCS OPERATOR STATIONS FROM OTHER SYSo DATA TRANSFER TO DCS OPERATOR STATIONS FROM OTHER SYSCont’d….

CPP DCS – PANEL MOUNTED SYSTEMSCPP DCS PANEL MOUNTED SYSTEMS

• DISTRIBUTED PROCESS UNIT (DPU)o PERFORMS DATA ACQUISION , DATA PROCESSING & CONTROLSo ACQUISITION OF TREND INFORMATIONo LOGGING OF SOEo CONTINUOUS SCANNING OF I/O MODULESo EXECUTION OF PREDEFINED LOGICS

•maxNET & ETHERNET SWITCHESmaxNET & ETHERNET SWITCHESHIGH SPEED NETWORK FOR CONNECTING DPUs, OPERATOR/ENGG STATIONS, PRINTERS.

• SEQUENCE OF EVENT RECORDING (SOE)o SOE FUNCTION IS INTEGRAL IN DCS. o TIME STAMPING WITH “1 mSEC” RESOLUTIONo TIME STAMPING WITH 1 mSEC RESOLUTIONo SOE SIGNALS ARE TAGGED IN MAIN DATABASE

Cont’d….

CPP DCS – PANEL MOUNTED SYSTEMSCPP DCS PANEL MOUNTED SYSTEMS

• HART MANAGEMENT SYSTEM (HMS)o PROVIDED FOR C&I MAINTENANCE PURPOSEo ALL TRASMITTERS & CONTROL VALVES ARE CONNECTEDo REMOTE ACCESS OF EACH FIELD INSTS. FOR PERIODIC CALIBRATION o AUTOMATIC GENERATION OF INSTRUMENT DATABASE

- MAKE/ MODEL, DATE OF CONNECTION, DATE OF LAST CALIBRATION & NEXT CALIBRATION etc.& C O etc

- CALIBRATION PROCEDURE, HISTORY RECORDSo ON LINE INSTRUMENT STATUS MONITORING

•MASTER CLOCK SYSTEM

o PROVIDED FOR TIME SYNCRONISATION WITH ALL THE CONTROL SYSTEMS

o CONNECTED TO PLANT DCS, STG SYSTEM, MARK VI, PLCs, VMSo UNIFIED TIME IS REQUIRED FOR MANAGEMENT REPORTING, TRIP o UNIFIED TIME IS REQUIRED FOR MANAGEMENT REPORTING, TRIP

ANALYSIS, DATA LOGGING etc.Cont’d….

CONTROL OVERVIEW- MAIN EQPTs

SYSTEM/EQUIPMENT PRIMARY CONTROL SECONDARY MONITOINGMONITOING

GAS TURBINE  Mark-VI CPP DCSSTEAM TURBINE CPP DCSSTEAM TURBINE CPP DCS ‐BACK PR. STEAM TURBINE CPP DCS ‐UBs‐FUEL,STEAM, WTR & CPP DCS ‐UBs FUEL,STEAM, WTR & DRN SYSTEMS 

CPP DCS

UBs – BURNER CONTROLS BMS PLC CPP DCSHRSGs‐FUEL, STEAM, WTR & DRN SYSTEMS

CPP DCS ‐

HRSGs BURNER CONTROLS BMS PLC CPP DCSHRSGs‐BURNER CONTROLS BMS PLC CPP DCSGAS BOOSTER COMPRESSOR CPP DCS ‐

Cont’d….

CONTROL OVERVIEW- BOP SYSTEMS

SYSTEM/EQUIPMENT PRIMARY CONTROL & MONITORING

SECONDARY MONITOINGO O G

LCO SYSTEM‐STORAGE, FUEL FWDG for GTs, HRSGs & UBs

CPP DCS ‐

VANADIUM DOSING SYSTEM CPP DCS ‐

HSD SYSTEM‐STORAGE, FWDG for GTs CPP DCS ‐

HSD CENTRIFUGE CENTRIFUGE LCP CPP DCSHSD CENTRIFUGE CENTRIFUGE LCP CPP DCS

REFINERY GAS SYSTEM CPP DCS ‐

GD‐GFD SYSTEM CPP DCS ‐GD‐GFD SYSTEM CPP DCS ‐

STEAM SYSTEM‐VHP, HP, MP & LP CPP DCS ‐

CONDENSATE SYSTEM CPP DCS ‐

FEED WATER SYSTEM‐DEAE, BFPs CPP DCS ‐

STG, BPTG DRN & BLOWDOWN SYSTEM CPP DCS ‐

UTILITIES ‐POTABLE WATER, IA, PA, N2 CPP DCS ‐

Cont’d….

CONTROL OVERVIEW-BOP SYSTEMs

SYSTEM/EQUIPMENT PRIMARY CONTROL SECONDARY MONITOINGMONITOING

COOLING WATER SYSTEM CPP DCS ‐

DMWATER CIRCULATION CPP DCS ‐DM WATER CIRCULATION CPP DCS ‐

HP NITROGEN SYSTEM CNTRL PNL CPP DCS

HP LP DOSING SYSTEM CPP DCS ‐HP, LP DOSING SYSTEM CPP DCS

GAS BOOSTER COMPRESSOR CPP DCS ‐

PLANT FIRE & GAS SYSTEM DEDICATED PANEL IN CPP DCSPLANT FIRE & GAS SYSTEM  DEDICATED PANEL IN CONTROL ROOM

CPP DCS

COMPRESSED AIR SYSTEM CNTRL PNL IN COMP. HOUSE

CPP DCSHOUSE

STEAM & WATER ANALYSIS SYSTEM for HRSG, UB & BOP

ANALYSER PNL IN SWAS ROOM

CPP DCS

FLUE GAS ANALYSIS – HRSG & UB CEMS PNL IN ANALYSERROOM

CPP DCS

PLANT DRIVE CONTROL PHILOSOPHY

FOLLOWING TYPES OF DRIVES ARE ENVISAGED IN CPPFOLLOWING TYPES OF DRIVES ARE ENVISAGED IN CPP:

o ELECTRICAL DRIVES:HT PUMPS - BFPs, CW PUMPS, FD FANS etc.LT PUMPS – FUEL FORWARDING PUMPS, DMW, DOSING PUMPSMOV (INTEGRAL ACTUATOR TYPE) STEAM SYS ISOLATIOMSMOVs (INTEGRAL ACTUATOR TYPE) - STEAM SYS ISOLATIOMS

o PNEUMATIC DRIVES:o PNEUMATIC DRIVES:CONTROL VALVESSOLENOID OPERATED VALVES

Cont’d….

PLANT DRIVE CONTROL PHILOSOPHY

TYPE OF DRIVE INDICATIONS IN DCS OPERATOR FUNCTIONS FROM DCSFROM DCS

HT PUMPS & LT PUMPS • READY TO START• PUMP RUNNING

• AUTO/MANUAL SELECTION• PUMP START COMMAND

• PUMP TRIPPED • PUMP STOP COMMAND

MOTOR OPERATED VALVES • READY TO START • AUTO/MANUAL SELECTION• VALVE OPENED• VALVE CLOSED

/• OPEN COMMAND• CLOSE COMMAND

CONTROL VALVES (REGULATING TYPE)

• VALVE POSITION IN%

• PROCESS VALUE • SET POINT • CONTROLLER AUTO/MANUAL• CONTROLLER OUTPUT IN %

ON‐OFF/ESD VALVES • VALVE OPENED • AUTO/MANUAL SELECTION• VALVE CLOSED

/• VALVE OPEN/CLOSE COMMAND

Cont’d….

PLANT DRIVE CONTROL PHILOSOPHYINDICATIONS/ 

COMDSMESSAGE FOR PLANT OPERATOR SIG.SOURCE

MOTOR DRIVEN PUMPS

LOCAL CONTROL STN (LCS)

- PUMP L/R SECTION- START/STOP IN LOCAL MODE

LCSSTN (LCS) START/STOP IN LOCAL MODE

READY TO START “START PERMISSIVE & MCC HEALTHY“FOR DCS OPERATION

SWITCH BOARD

MCC CKT OK+NO TH O/L + REM. SECT’D

/A/M ‐ SELECTION MANUAL- OPERATOR INITIATIONAUTO - THROUGH LOGIC SEQ.

DCS HMI

START/ STOP WHEN SELECTD IN MAN MODE DCS HMISTART/ STOP COMD.

WHEN SELECTD IN MAN. MODE DCS HMI

RUN INDICATION “DRIVE STARTED F/B” FOR OPERATOR INFORMATION

SWITCH BOARDOPERATOR INFORMATION BOARD

TRIP INDICATION “DRIVE TRIPPED ON THERMAL OVERLOAD” FOR OPERATOR

SWITCH BOARD

CRITICAL

INFORMATION & CORRECTIVE ACTION

Cont’d….

PLANT DRIVE CONTROL PHILOSOPHYINDICATIONS/ 

COMDSMESSAGE FOR PLANT OPERATOR SIG.SOURCE

MOTOR OPERATED VALVES (MOVS)

LOCAL CONTROL STN (LCS)

- L/R SECTION- START/STOP IN LOCAL MODE

LCSSTN (LCS) START/STOP IN LOCAL MODE

READY TO START “START PERMISSIVE & ACTR HEALTHY“FOR DCS OPERATION

ACTR ACTR CKT OK+NO TH O/L + REM. SECT’D + NO TRQ TRIPQ

A/M ‐ SELECTION MANUAL- OPERATOR INITIATIONAUTO - THROUGH LOGIC SEQ.

DCS HMI

OPEN/ CLOSE COMD.

WHEN SELECTD IN MAN. MODE DCS HMI

OPEN/ CLOSE “MOV STATUSF/B” FOR OPERATOR ACTROPEN/ CLOSE INDICATION

MOV STATUSF/B FOR OPERATOR INFORMATION

ACTR

Cont’d….

DRIVE CONTROL PHILOSPHY

INDICATIONS MESSAGE FOR PLANT OPERATOR SIGNAL SOURCESOU C

CONTROL VALVES (PNEUMATIC OPERATED)

A/M SELECTION MANUAL OPERATOR INITIATION DCS HMIA/M ‐ SELECTION MANUAL- OPERATOR INITIATION USE OF MANUAL LOADER

AUTO THROUGH PID & SET

DCS HMI

AUTO - THROUGH PID & SET POINT

CONTROL SET POINT

- BY OPERATOR TO MEET THE CONTROL REQTS.

- CONTROLLER NEEDS TO BE AUTO TO FOLLOW THE SET POINT

DCS HMI

AUTO TO FOLLOW THE SET POINT

VALVE POSITION “% OF VALVE OPENING “ FOR OPERATOR INFORMATION

POSITION TRAMITTER

Cont’d….

DRIVE CONTROL PHILOSPHY

INDICATIONS MESSAGE FOR PLANT OPERATOR SIGNAL SOURCESOU C

ON-OFF VALVES (SOLENOID OPERATED)

A/M SELECTION MANUAL OPERATOR INITIATION DCS HMIA/M ‐ SELECTION MANUAL- OPERATOR INITIATIONAUTO - THROUGH LOGIC SEQ.

DCS HMI

OPEN/ CLOSE WHEN SELECTD IN MAN MODE DCS HMIOPEN/ CLOSE COMD.

WHEN SELECTD IN MAN. MODE DCS HMI

OPEN  “VALVE IS FULLY OPENED F/B” FOR VALVE LIMIT INDICATION

/OPERATOR INFORMATION SWITCH

CLOSE  “VALVE IS FULLY CLOSED F/B” FOR VALVE LIMIT INDICATION OPERATOR INFORMATION SWITCH

SIGNAL WIRING

ANALOG SIGNALS

FIELD RACK ROOM CONSOLE ROOMROOM

DPU

E/PAO

Cont’d….

SIGNAL WIRING

MCC SIGNALS

MCC RACK ROOM CONSOLE ROOM

DI

DPUMotor f/b

DO

Motor cmd

SIGNAL WIRING

MOV SIGNALS

FILED ACTR RACK ROOM CONSOLE ROOM

DI

DPUMOV f/b

DO

MOV cmd

PLANT CONTROL FUNCTIONSPLANT CONTROL FUNCTIONS

• BOP FUEL SYSTEMS• BOP FUEL SYSTEMS

o IMPLEMENTED IN PLANT DCSo CONTROL FUNCTIONSo CONTROL FUNCTIONS

- FUEL TANK LEVEL CONTROL- FUEL FORWARDING PUMP CONTROLS & AUTO CHANGEOVER

FILTER SYSTEM DP- FILTER SYSTEM DP- FUEL PRESSURE AND RECIRCULATION - FUEL FLOW MEASUREMENT

DRAIN SYSTEM CONTROL & MONITORING- DRAIN SYSTEM CONTROL & MONITORING- GAS ESD VALVE CONTROL- GAS SCRUBBER LEVEL CONTROL- GAS PRESSURE CONTROLS

Cont’d….

PLANT CONTROL FUNCTIONSPLANT CONTROL FUNCTIONS

• BOP WATER SYSTEMS• BOP WATER SYSTEMS

o IMPLEMENTED IN PLANT DCSo CONTROL FUNCTIONSo CONTROL FUNCTIONS

- DEARATOR LEVEL CONTROL- BFP CONTROLS FOR HRSG, UB & EXPORT

FEED CONTROL STATION- FEED CONTROL STATION- COOLING TOWER CONTROLS- CONDERSER COOLING WATER SYSTEM

AUX COILING WATER SYSTEM- AUX. COILING WATER SYSTEM- CONDERSATE STORAGE TANK LEVEL CONTROL- ST CONDENSER LEVEL CONTROL- CEP CONTROLS- BLOW DOWN SYSTEMS

Cont’d….

PLANT CONTROL FUNCTIONSPLANT CONTROL FUNCTIONS

• BOP STEAM SYSTEMS• BOP STEAM SYSTEMS

o IMPLEMENTED IN PLANT DCSo CONTROL FUNCTIONSo CONTROL FUNCTIONS

- VHP- TO - HP STEAM PRDS- HP - TO – MP STEAM PRDS

MP TO LP PRDS SYSTEM- MP – TO – LP PRDS SYSTEM- AUX. STEAM PRDS CONTROL- VHP/ HP HEADER VENT CONTROL

Cont’d….

PLANT CONTROL FUNCTIONSPLANT CONTROL FUNCTIONS

• HRSG CONTROLSSG CO O S

o IMPLEMENTED IN PLANT DCSo DEDICATED SYSTEM FOR BURNER CONTROLSo CONTROL FUNCTIONS

- DRUM LEVEL CONTROLS- SUPERHEAT STEAM TEMP. CONTROL- COMBUSTION CONTROL- DIVERTER CONTROL- MONITORING OF FEED WATER & STEAM PARAMETERSMONITORING OF FEED WATER & STEAM PARAMETERS- FLUE GAS PATH TEMP.- FUEL FLOW MESUREMENTSTEAM & WATER ANALYSIS pH CONDUCTIVITY SILICA- STEAM & WATER ANALYSIS – pH , CONDUCTIVITY, SILICA

- FULE GAS – NOX, SOX, CO MEASUREMENT- HRSG PROTECTION & TRIP LOGICSSCANNER & SEAL AIR FAN CONTROLS- SCANNER & SEAL AIR FAN CONTROLS

- DRAIN & VENT SYSTEMS Cont’d….

PLANT CONTROL FUNCTIONSPLANT CONTROL FUNCTIONS

• UB CONTROLS• UB CONTROLS

o IMPLEMENTED IN PLANT DCSo DEDICATED SYSTEM FOR BURNER CONTROLSo DEDICATED SYSTEM FOR BURNER CONTROLSo CONTROL FUNCTIONS

- DRUM LEVEL CONTROLSSUPERHEAT STEAM TEMP CONTROL- SUPERHEAT STEAM TEMP. CONTROL

- COMBUSTION CONTROL- FURNACE DRAFT CONTROLFD FAN & DAMPER CONTROL- FD FAN & DAMPER CONTROL

- MONITORING OF FEED WATER & STEAM PARAMETERS- FUEL FLOW MESUREMENT- STEAM & WATER ANALYSIS – pH , CONDUCTIVITY, SILICA- FULE GAS – NOX, SOX, CO MEASUREMENT- DRAIN & VENT SYSTEMS

Cont’d….

PLANT CONTROL FUNCTIONSPLANT CONTROL FUNCTIONS

• STEAM TURBINE CONTROLS• STEAM TURBINE CONTROLS

o IMPLEMENTED IN PLANT DCSo CONTROL FUNCTIONSo CONTROL FUNCTIONS

- TURBINE GOVERNOR- OVER SPEED CONTROL & PROTECTIONTERBINE PROTECTION & TRIP LOGICS- TERBINE PROTECTION & TRIP LOGICS

- LO SYSETM- MONITORING OF STEAM PARAMETERS

Cont’d….

PLANT CONTROL FUNCTIONSPLANT CONTROL FUNCTIONS

• MARK VI SYSTEM FOR GAS TURBINE• MARK VI SYSTEM - FOR GAS TURBINE

o DEDICATED CONTROL SYSTEM FOR GAS TURBINEo HMIs FOR OPERATOR INTERFACE o ENGG STATION FOR S/W MODIFICATIONSo CONTROL FUNCTIONS

- GAS TURBINE START UP CONTROLS- SPEED CONTROLS wrt TO LOAD- TURBINE FIRING TEMP CONTROLTURBINE FIRING TEMP. CONTROL- OVER-SPEED CONTROL- GT PROTECTION & SHUTDOWN INTERLOCKSFUEL 3 WAY VALVE CONTROL- FUEL 3- WAY VALVE CONTROL

COMMUNICATION SYSTEMCOMMUNICATION SYSTEM

• PUBLIC ADDRESS SYSTEM• PUBLIC ADDRESS SYSTEMo FOR TWO-WAY COMMUNICATION IN CPP FIELD & CONTROL ROOM.o MASTER CALL STATION IN CONTROL ROOMo FIELD CALL STATIONS IN STRATEGIC LOCATIONS.

- GT AREA- HRSG AREA- UB AREA- STEAM TURBINE AREA - FUEL PUMP HOUSE COOLING TOWER BFPS COMP AIR etcFUEL PUMP HOUSE, COOLING TOWER, BFPS, COMP. AIR etc.

• TELEPHONE SYSTEM

EPBAX BASED TELEPHONE SYSTEMo EPBAX BASED TELEPHONE SYSTEMo TELEPHONE IN CONTROL ROOM, OPERATOR ROOMS & OFFICE ROOMSo LOCAL ROOMS, SWAS ROOMS ARE PROVIDED WITH TELPHONES.

Cont’d….

PLANT COMMUNICATION SYSTEM

PLANT COMMUNICATION SYSTEM

DESIGN TEAM

EQUIPMENTS C&I DESIGN CONTROL IMPLEMENTATION

GAS TURBINE BHEL-HYD (GT DIV.) BHEL-HYD (GT DIV.)

MARK-VI BHEL-EDN (B’LORE) BHEL-EDN

STEAM TURBINE BHEL HYD (T&C) BHEL HYD (T&C)STEAM TURBINE BHEL-HYD (T&C) BHEL-HYD (T&C)

HRSG-FW & STEAM BHEL-TRY(HRSG DIV.) BHEL-EDN

HRSG-BMS BHEL-TRY(HRSG DIV.) BHEL-TRY(HRSG DIV.)( ) ( )

UB-FW & STEAM BHEL-TRY(HRSG DIV.) BHEL-EDN

UB-BMS BHEL-TRY(HRSG DIV.) BHEL-TRY(HRSG DIV.)

GBC BHEL-HYD (T&C) BHEL-EDN

FUEL- GT,HRSG & UB BHEL-HYD(PE & SD) BHEL-EDN

FW, STEAM & UTILITIES BHEL-HYD(PE & SD) BHEL-EDN

COMP. AIR SYSTEM BHEL-HYD(PE & SD) BHEL-HYD(PE & SD)& BHEL-EDN& BHEL EDN

CPP DCS BHEL-EDN BHEL-EDN