Sheet11DCS LOADING FOR SURGE IN STATION 1 AND RV716A OPEN LOADING IN STATION 22VIBRATION TREND AND INTERLOCK ARE NOTHING IN DCS.3SURGE / CHOKE CALCULATION BY MHI4C-1711 TRIP THEN C-1714 TRIP - ELECTRICAL INTERLOCK5C-1714 TRIP / STOP - RV716A CLOSE (IN DCS)- PCV715 OPEN6EMERGENCY STOP- C-1714 STOP PB IN DCS- C-1714 STOP PB IN LOCAL PANEL

ERECTION SCHEDULEC-1714 - Compressor & accessories - Total scheduleDept.May-Jun-200424252627282930311234567891011121314151617181920212223242526272829303112Day-14-13-12-11-10-9-8-7-6-5-4-3-2-1012345678910111213141516171819202122232425MECHANICALCOMPRESSORFILTERSILENCERELECTRICALCivil structural job completionHV Panel installtionMain Motor installationHV Cable tray installationTray outside Comp RoomTray inside Comp RoomHV Cable layingHV Cable terminationHV test of cable & motor.Statutory InspectionLV Cable tray installationTray outside Comp RoomTray inside Comp RoomLV Cable layingLV cable terminationOil pump & Vapour fan cable laying & connection.Lighting cable laying.Lighting cable termination & fixture installation.HV Starter Panel CommissioningOil flushingMotor solo runComp. Load runCrane installation.HV switch gear room lighting & fixture installtion.Note :1.Motor solo run require oil flushing for bearing lubrication.2. During HV test of motor no person is allowed nearby for approx. 4 hrs.INSTRUMENTATIONJB INSTALLATIONGI PIPE (AIR) FABRICATIONCABLE TRAY INSTALLATIONCABLE LAYINGTERMINATION AT PANELINSTRUMENT INSTALLATIONLOCAL PANEL POWER UPLOCAL PANEL TESTINGDCS CONFIGURATIONCV AIR PIPING/TUBINGLOOP CHECKINGINTERLOCK TESTINGCOMPRESSOR HOUSE STRUCTURE IS COMPLETED

ETA HaldiaBase preperationLevel checking & C/L markingErection & alignmentSetting up Packer for adjustmentFixing of Air , LO , Drain piping of comp. assyGrouting & curingAlignment checkingAll Piping connectionOil flushingTestrunstair & operating platform fabricationstair & operating platform installationETA HaldiaErectionBaseframe fabrication & fixingAssemblyLevel check & c/l markingLadder & maintenance Platform fabrication & installationETA HaldiaLevel check & Template fixingErectionHOT WORK NEAR PIPE RACKMHI S/VStructural member erection

MODIFIED SCHEDULEDear Sir,Forwarded to you. Please refer to attachment.And MHI is asking Some change of schedule as below.Please consider the same.Original schedule20th and 21st/Jun:LOOP CHECKING21st and 22nd/Jun:INTERLOCK TESTING, OIL FLUSHING23rd/Jun :MOTOR SOLO RUN24th/Jun :COPM LOAD RUNRevised Schedule20th to 22nd :same as above23rd :MOTOR SOLO RUNCOMP. MECHANICAL TESTSURGE LINE CONFIRMATION24th :COMP CONTROL TESTFULL LOAD TESTAnd we have decided to request MHI to provide one Instrumentation S/V for Test Run.Duration is 22nd to 24th as same as Mechanical S/V.Regards,T Chiba

Safety analysis preparationC-1714 SAFETY ASSESSMENT1Operation procedureDraw Process Flow DiagramControl procedureonly C-1714 start upC-1714 hook up to main lineRate up2Safety analysisjob confirmationpiping job confirmationVentingLine flushingOil lineAir lineCW lineValve operation positionInterlocksSOP making3Quality analysisDust going into process, so Delta Y check

PFDC-1714 AIR LINE FLOW DIAGRAM

PCV 715RV 716EXISTING AIR LINE

FLOW = 136 KNm3/HPRESS = 17.5 Kg/cm2G1231234HV 715AIR OUTAIR OUTAIR INSILENCERINTERMEDIATE VALVEC-1714 OUTLETC-1711 OUTLET

test run planC-1714 TEST RUN PLANCOOLING WATER STARTFINISHEDLUBE OIL FLUSHINGCONTINUEMOTOR SOLO RUN30 minMECHANICAL TEST RUN1 HrSURGE TESTAS PER MHI PLANCONTROL TESTAIR LINE FLUSHING1 HrFULL LOAD TESTAS PER REACTOR CONDITIONSAMPLINGM-1745 SAMPLING (DELTA Y) AFTER 3 HOURS OF C-1714 TAKEN IN LINE.SAMPLING EVERY 2 HOURS

DATA SHEETMOTORLUBE OILPRESSTEMP1ST STAGE INLETPRESSTEMP1ST STAGE OUTLETPRESSTEMP2ND STAGE INLETPRESSTEMP2ND STAGE OUTLETPRESSTEMP3RD STAGE INLETPRESSTEMP3RD STAGE OUTLETPRESSTEMP4TH STAGE INLETPRESSTEMP4TH STAGE OUTLETPRESSTEMP

MOTOR SOLO RUNMOTOR SOLO RUNPRECONDITIONS4 DEG IN OPERATION.COUPLINGS BETWEEN COMPRESSOR AND MAIN MOTOR DECOUPLEDCOOLING WATER IS RUNNINGLOCAL TRANSMITTERS VALVES ARE OPENMETHODCHECK1AUXILIARY OIL PUMP NFB ON2AUXILIARY OIL PUMP ( MANUAL) START3LUBE OIL PRESSURE ( LOCAL PANEL - PG1-6) NORMAL ( 0.1 ~ 0.15 MPaG)4VCB ON5INCHINGCONFIRM ROTATION DIRECTION - CLOCKWISE FROM COMPRESSOR SIDE6CONFIRM MOTOR STOPS ROTATING COMPLETELY.7MOTOR START8CHECK LUBE OIL PRESS, TEMP9CONFIRM TEST FINISH ( 2 HOURS )10VCB OFF11HAND OVER TO MECHANICAL FOR COUPLING

MECHANICAL RUN TESTMECHANICAL RUNNING TESTPRECONDITIONSALL VALVE OPERATION FROM FIELD. NO VALVE OPERATION FROM DCS.1 PERSON IN FIELD AND 1 IN DCS. BOTH HAVING WALKIE TALKIE.4 DEG IN OPERATION.HV 715 FULL CLOSEPC 715 FULL OPENRV 716 FULL CLOSEVCB ONCOOLING WATER IS RUNNINGLOCAL TRANSMITTERS VALVES ARE OPENREADY FOR START SIGNAL IS GLOWINGMETHOD1AUXILIARY OIL PUMP NFB ON2AUXILIARY OIL PUMP ( MANUAL) START3LUBE OIL PRESSURE ( LOCAL PANEL - PG1-6) NORMAL ( 0.1 ~ 0.15 MPaG)4START C-1714 MAIN MOTOR5HV715 SLOWLY OPEN FROM 0 TO 100%.AIR FLOW ( FI 715 ) FROM DCSAIR PRESSURE (PC715) FROM DCSAIR TEMP ( TI 715 ) FROM DCS6HV 715 OPEN SLOWLY 0 TO 100% FROM FIELD.7PCV 715 OPENING ADJUST CAREFULLY TO ADJUST PRESS = 1.71MPaGPCV 715, MV8PERFORM LEAK TEST AROUND C-1714 BY SOAP SOLUTION9RECORD DATA AS ATTACHED.

SURGE TESTSURGING TESTPRECONDITIONSALL VALVE OPERATION FROM FIELD. NO VALVE OPERATION FROM DCS.1 PERSON IN FIELD AND 1 IN DCS. BOTH HAVING WALKIE TALKIE.4 DEG IN OPERATION.HV 715 FULL CLOSEPC 715 FULL OPENRV 716 FULL CLOSEC-1714 RUNNINGMANUAL VALVES 1, 2, 3 FULL CLOSEMETHODCHECK1HV715 MV INCREASE FROM 0 TO MIN OPENING FROM FIELD.2SLOWLY CLOSE PCV 715 FROM FIELD AND RECORD DATA.3AT ONE STAGE, AIR FLOWRATE WILL FLUCTUATE, INCREASE PCV 715 MV.THIS IS SURGE POINT AT A GIVEN HV 7154PCV 715 MV INCREASE SLOWLY TO 100%.5HV 715 MV INCREASE TO 50% FROM FIELD.6SLOWLY CLOSE PCV 715 FROM FIELD AND RECORD DATA.7AT ONE STAGE, AIR FLOWRATE WILL FLUCTUATE, INCREASE PCV 715 MV.THIS IS SURGE POINT AT A GIVEN HV 7158PCV 715 MV INCREASE SLOWLY TO 100%.9HV 715 MV INCREASE TO 60% FROM FIELD.10SLOWLY CLOSE PCV 715 FROM FIELD AND RECORD DATA.11AT ONE STAGE, AIR FLOWRATE WILL FLUCTUATE, INCREASE PCV 715 MV.THIS IS SURGE POINT AT A GIVEN HV 71512PCV 715 MV INCREASE SLOWLY TO 100%.13DECREASE HV 715 MV TO 0%.14STOP C-1714.

SURGE RECORD SHEETSURGE LINE RECORD SHEETPOINTSHV715AIR FLOWAIR TEMPAIR PRESSSHAFT VIBRATIONMVFI 715TI 715PC 715 _ PVLP PINIONHP PINION123456789

CONTROL TESTCONTROL TESTPRECONDITIONSALL VALVE OPERATION FROM FIELD. NO VALVE OPERATION FROM DCS.1 PERSON IN FIELD AND 1 IN DCS. BOTH HAVING WALKIE TALKIE.4 DEG IN OPERATION.HV 715 FULL CLOSEPC 715 FULL OPENRV 716 FULL CLOSEMANUAL VALVES 1, 2, 3 FULL CLOSECOOLING WATER IS RUNNINGLOCAL TRANSMITTERS VALVES ARE OPENREADY FOR START SIGNAL IS GLOWINGMETHODCHECK

AIR LINE FLUSHINGAIR LINE FLUSHINGPRECONDITIONS4 DEG IN OPERATION.C-1714 RUNNINGHV 715 ~ 10% OPENPC 715, AUT SV = 1.71 MPaGRV 716 FULL CLOSEDISCHARGE PRESS = 1.71MPaGMANUAL VALVES 1, 2, 3 FULL CLOSEMETHODCHECK1VALVE 2 FULL OPEN2RV 716 OPEN3PC 715 MAN, AND MV DECREASE VERY SLOWLY.4OPEN VALVE 1 VERY SLOWLY ( 1/4 TURN INITIALLY )5IF PRESSURE DECREASE RATE IS FAST, DECREASE PCV MV.WAIT FOR PRESSURE STABILIZATION.6REPEAT STEP 4 AND 57VALVE 1 (4 ~ 5 TURNS) OPENING IS ENOUGH TO GET SUFFICIENT FLOWIF FLOW IS LESS, DECREASE PCV MV MORE AND OPEN VALVE 1 MORE.8RECORD THE DATA9CONTINUE 1 HOUR FLUSHING10STOP AIR FLUSHINGPCV 715 PUT IN AUT, SV = 17.1K/GSLOWLY CLOSE VALVE 1.IN CASE PRESSURE FLUCTUATES, CONTROL PCV IN MANUAL ( OPEN SLOWLY ).CONTINUE TO CLOSE VALVE 1 TILL FULL CLOSE.

FULL LOAD TESTFULL LOAD TEST ( C-1714 IN LINE )PRECONDITIONS4 DEG IN OPERATION.C-1714 RUNNINGHV 715 ~ FULL CLOSEPC 715, FULL OPENRV 716 FULL CLOSEDISCHARGE PRESS = 1.71MPaGMANUAL VALVES 1, 2, 3 FULL CLOSEMETHODCHECKRECORD INITIAL VALUE OF N-1711 DELTA PAS RATE UP WILL BE DONE, INCREASE CAT FLOWRATE.1VALVE 3 FULL OPEN2HV 715 MV INCREASE 0 TO 5% SLOWLY3PCV 715 AUT SV = 1.75 MPaG4RV 716 OPEN5OPEN VALVE 1 SLOWLY.6IN CASE PRESSURE DECREASE RATE IS HIGH, CONTROL PCV MANUALLY.7CONFIRM INCREASE IN FC731 PV.8WHEN XI738 INCREASE FROM 2.2 TO 2.4, INCREASE PX FLOW (MAX FC724 PV = 38T/H)9ADJUST XI738 TO TARGET BY ADJUSTING HV715, KEEPING FC724 PV = 38T/H10HC711 WILL BE FULL OPEN.11AT SUDDEN DECREASE IN ATMOSPHERIC TEMP CAUSES XI738 INCREASE,ADJUST AIR FLOW BY HV 715.12M-1745 SAMPLING (DELTA Y) AFTER 3 HOURS OF C-1714 TAKEN IN LINE.SAMPLING EVERY 2 HOURS13MONITOR N-1711 DELTA P

RATE DOWNRATE DOWNPRECONDITIONSC-1714 RUNNINGHV 715 OPENPC715 SV = 1.75 MPaGRV 716 FULL OPENMANUAL VALVE 2 FULL CLOSEMANUAL VALVE 1, 3 FULL OPENMETHOD1234567891011

TEST RUN CHECKLISTC-1714 TEST RUN CHECKLISTITEMLOCATIONPARAMETERREMARKSMAINSUBFIELDDCSNORACT1CW line flush2CW startflushingventing3Oil flushing4Interlock testlist interlocks ( E + I )5Lube oilTank level OKOil cooler CW flow startAuxiliary oil pump start6Control valves loop testHV 715PCV 715RV 7166Motor solo runalube oilbCWcVCB ONdInchingeStart ( confirm rotating directionfFill the sheet 6gConfirm test finishhVCB OFFiHand over to mechanical for Coupling fixing.7Mechanical RunaMechanical hand over confirmAuxiliary oil pump startcLube oil pressure OK1.02 K/GdCW flow to intercoolers OKCW flow to Oil cooler OKeCW flow to motor cooler OKfVCB ONgC-1714 air inlet valve (HV715) full closehPC715 full openIntermediate valve full openiC-1714 discharge RV716 full close.jValves 1, 2, 3 closeReady for Start signal OKC-1714 main motor startAuxilliary oil pump stop (1 min after main motor start)Fill data sheet no 17.

InterlocksC-1714 MAIN INTERLOCKSReady for start1LO supply pressure Normal1.02 K/G2Suction valve (HV715) close3Blow OFF valve full open4Aux LO pump "AUT"5LO tank level normal6LO temp Normal35 to 45 degC7Intermediate valve full open8Main motor VCB ONC-1714 trip1LO supply press low low0.618 K/G2LP shaft vibration high high160 mm3HP shaft vibration high high160 mm4Main motor electrical fault5Emergency Stop6Main motor stator temp high high ( U phase )155 degC7Main motor stator temp high high ( V phase )155 degC8Main motor stator temp high high ( W phase )155 degC9Main motor cooling water leakage ( compressor side)10Main motor cooling water leakage ( opposite compressor side)11C-1711 trip