Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 1 of 249 RAF-B DESALINATION STANDARDOPERATINGPROCEDURES Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 2 of 249 Clickonthepagenumbertogotherequiredpage.Ifnot,keeppressed CTRL key and click on the page number. TITLE : MULTISTAGE FLASH EVAPORATORS

SOP NO.DESCRIPTION OF ACTIVITYPAGE NO. MSFE -0001COLD STARTUP12 MSFE - 0002SEAWATER CHARGING TO EJECTOR CONDENSER14 MSFE - 0003 SEAWATER LINING UP TO HEAT REJECTION (HRJ) SECTION 16 MSFE - 0004BUILDING UP LEVEL IN BRINE CHAMBERS.18 MSFE - 0005TOPUT AN EJECTOR INTO SERVICE20 MSFE - 0006TO BUILD UP LEVEL IN DISTILLATE CHAMBER22 MSFE - 0007 WARMING UP OF EJECTORS STEAM LINE AND PULLING VACUUM. 23 MSFE - 0008TO CARRY OUT VACUUM TEST25 MSFE - 0009 HRS & HIS TUBES FILLING : LINING UP OF PRIMARY AND SECONDARY EJECTORS. 26 MSFE - 0010TO START BRINE BLOW DOWN PUMP28 MSFE - 0011TO START A BRINE RE-CIRCULATION PUMP30 MSFE - 0012 TO BUILT UP LEVEL IN HIS SHELL SIDE FOR INITIAL PUMP START UP 32 MSFE 0013 TO START THE CONDENSATE EXTRACTION PUMP 34 Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 3 of 249 MSFE - 0014 BRINE HEATING AND PRODUCTION LINING UP. 36 MSFE - 0015 TO START THE DISTILLATE EXTRACTION PUMP 38 MSFE - 0016 TO START A CHEMICAL DOSING PUMP 40 MSFE - 0017 TO PUT OLCS INTO SERVICE 42 MSFE - 0018 TO START THE H.P DISTILLATE PUMP 45 MSFE - 0019 TO START A CO2 BOOSTER PUMP A 47 MSFE - 0020 TO ISOLATE AN EJECTOR 49 MSFE - 0021 TO LINE UP PRESSURE POWERED CONDENSATE PUMP (PPCP) 50 MSFE - 0022OLCS BALL GRADING51 MSFE - 0023TO LINE UP A DUMP CONDENSER. 53 MSFE - 0024 TO ISOLATE A DUMP CONDENSER 57 MSFE - 0025 PLANNED OR NORMAL SHUT DOWN OF THE UNIT 59 MSFE - 0026UNIT FLUSHING WITH DISTILLATE WATER63 MSFE - 0027SEAWATER RECYCLE PUMP START UP65 MSFE - 0028 SEAWATER RECYCLE PUMP SHUT DOWN AND PRESERVATION 67

Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 4 of 249 TITLE : HRB SOP NO.DESCRIPTION OF ACTIVITYPAGE NO HRB-0001 TO START A BOOSTER FAN IN A SHUT DOWN HRB HHQ 05 AN001/2 69 HRB-0002 TO START A STAND BY BOOSTER FAN HHQ 05 AN001/2 70 HRB-0003 TO START A BOILER FEED PUMP FROM STAND BY CONDITION 71 HRB-0004TO START A MAKE UP WATER PUMP73 HRB-0005 TO STARTTRISODIUM PHOSPHATE DOSING PUMP *1 QCD 11/21 AP001 74 HRB-0006 TO START SODIUM SULPHITE & MORPHOLINE DOSING PUMP 00QCC10/20/30/40/50/60AP001&00QCC10/20/30/40/50/60AP001 75 HRB-0007 TO START WARM RECIRCULATION PUMP * 1LAB 50 AP001 76 HRB-0008 TAKING DEAERATOR INTO SERVICE FROM SHUT DOWN CONDITION ORTAKING STAND BY INTO SERVICE / CHANGE OVER00LAA10/20/30BB001 77 HRB-0009 TO START CONDENSATE BOOSTER TRANSFER PUMP RAF A-B INTERCONNECTION02LCB10/20AP001 79 HRB-0010WHRB START UP PROGRAMME81 HRB-0011 TO START IMPORT/EXPORT STEAM THROUGH RAFA-B INTERCONNECTION LINE 84 HRB-0012HRB LOCAL OPERATOR ROUTINE CHECKS88 Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 5 of 249 TITLE : PRODUCT WATER TREATMENT SYSTEM SOP NO.DESCRIPTION OF ACTIVITYPAGE NO PWTP - 001TO START A BOOSTER PUMP91 PWTP - 002TO CHANGE A BOOSTER PUMP93 PWTP - 003TO LINEUP ACTIVATED CARBON FILTER94 PWTP - 004TO LINEUP CO2 ABSORBER96 PWTP - 005TO TAKE A LSF FILTER INTO SERVICE.98 PWTP - 006TO TAKE A FILTER OUT OF SERVICE.100 PWTP - 007 TO DRAIN A LIMESTONE FILTER FOR LIME FILLING. 102 PWTP - 008TO REFILL / CHARGE LIMESTONE ON FILTER104 PWTP - 009 TO BACKWASH A LIME STONE FILTER AFTER LIME FILLING 106 PWTP - 010TO LINEUP CO2DEGASSIFIER108 PWTP - 011TO CHANGE OVER DEGASSIFIER FANS110 PWTP - 012TO LINEUP HYPO CHLORITE DOSING SYSTEM111 PWTP - 013TO START A SODIUM CARBONATE PUMP113 PWTP - 014TO PREPARE SODIUM CARBONATE SOLUTION115 PWTP - 015TO START A TREATED WATER PUMP117 Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 6 of 249 PWTP - 016TO STOP A TREATED WATER PUMP119 PWTP - 017STARTING OF SECOND TREATED WATER PUMP120 PWTP - 018STOPPING OF SECOND TREATED WATER PUMP121 PWTP - 019 TO SWITCH ON THE F.G OF TREATED WATER PUMP 122 PWTP - 020 TO CHANGE OVER THE LEVEL C.V (FROM 00TAA87AA051 TO 00TAA88AA051 123 PWTP - 021PLACING ONE LINE IN SERVICE125 PWTP - 022TO TAKE OUT OF SERVICE ONE LINE.128 PWTP - 023 TO TAKE ONE CO2 ABSORBER (00TAF10BB001) OUT-OF-SERVICE. 130 PWTP - 024 TO TAKE ONE CO2 DEGASSIFIER / BLENDING CHAMBER OUT OF SERVICE WHEN ON FULL LOAD (00TAH10BB001/ 00TAA80BB001). 132 PWTP - 025WALK DOWN CHECK134 TITLE : PRODUCT WATER FORWARDING SYSTEM: SOP NO.DESCRIPTION OF ACTIVITYPAGE NO PWFP - 001 TO START A FORWARDING PUMP THROUGH INDIVIDUAL PUMP FUNCTION GROUP. (INITIAL START) 137 PWFP - 002 TO SWITCH ON THE FUNCTION GROUP FORWARDING SYSTEM (DURING ONE PUMP OPERATION) 139 PWFP - 003 TO START A FORWARDING PUMP THROUGH FUNCTION GROUP. 140 Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 7 of 249 PWFP - 004 TO STOP A FORWARDING PUMP THROUGH PUMP FUNCTION GROUP142 PWFP - 005TO CHANGE OVER FORWARDING PUMP144 PWFP - 006TO START A POTABLE WATER PUMP146 PWFP - 007 TO CHANGE OVER POTABLE WATER PUMP THROUGH FUNCTION GROUP. 148 PWFP - 008 TO START A CLOSED CIRCUIT COOLING WATER PUMP 149 PWFP - 009TO CHANGE OVER CCCW PUMP151 PWFP - 010TO LINEUP A HEAT EXCHANGER (00PGF24AC001)152 PWFP - 011 TO CHANGE OVER HEAT EXCHANGER (FROM 00PGF24AC001 TO 00PGF26AC001) 154 PWFP - 012TO LINEUP A SURGE VESSEL156 PWFP - 013TO START A SUMP PIT PUMP158 PWFP - 014ROUTINE CHECK AT LOCAL - FORWARDING AREA.159 TITLE : SEA WATER SYSTEM SOP NO.DESCRIPTION OF ACTIVITYPAGE NO SWS - 0001TO START A SEAWATER PUMP162 SWS - 0002SEAWATER HEADER CHARGING164 WS - 0003SEAWATER HEADER CHARGING167 Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 8 of 249 SWS - 0004SEAWATER HEADER CHARGING.169 SWS - 0005 INITIAL FILLING OF SEAWATER BASIN, SCREENS, SUCTION BASIN 170 SWS - 0006COARSE SCREEN BAR OPERATION172 SWS - 0007DRUM SCREEN OPERATION.174 SWS - 0008OFFSHORE DOSING LINES FLUSHING176 SWS - 0009AREA WALK-DOWN CHECKS178 SWS - 0010TO STOP A SEAWATER PUMP181 SWS - 0011SEAWATER HEADER PIT DEWATERING.183 TITLE : ELECTRO CHLORINATION: SOP NO.DESCRIPTION OF ACTIVITYPAGE NO ECL - 0001TO TAKE SEAWATER FILTER INTO SERVICE.187 ECL - 0002TO BACKWASH SEAWATER FILTER189 ECL - 0003TO LINE UP A HYPO CHLORITE PUMP191 ECL - 0004TO START SODIUM HYPOCHLORITE PUMP.193 ECL - 0005TO CHANGE CCCW PUMP.195 ECL - 0006TO CHANGE CCCW SYSTEM HEAT EXCHANGER196 ECL - 0007TO PUT AN ELECTOLYSER INTOSERVICE.197 Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 9 of 249 ECL - 0008TO SHUT DOWN AN ELECTROLYSER.200 ECL - 0009TO KEEP AN ELECTROLYSER AS STANDBY.202 ECL - 0010ACID CLEANING OF ELCTROLYSER.204 ECL-0011TO CHANGE ADDITIONAL HYPOCHLORITE TANK207 ECL-0012 TO CHANGEOVER THE HYPOCHLORITE TANK FROM MAIN TO ADDITIONAL209 ECL-0013 FLUSHING OF HYPO TANKS TO RELEASE FOR ANY WORKS 211 ECL-0014WALK DOWN CHECK213

TITLE : CCR SOP SOP NO.DESCRIPTION OF ACTIVITYPAGE NO CCR-0001BOILER START UP OR SHUT DOWN215 CCR-0002NRTALARMS218 CCR-0003STEAM / CONDENSATE EXCHANGE220 CCR-0004TCC222 CCR-0005ELECTRICAL DCS223 TITLE : INSTRUMENT/SERVICE AIR SYSTEM SOP NO.DESCRIPTION OF ACTIVITYPAGE NO IASA-0001 TO START AN INST. AIR COMPRESSOR(00QFA10/20/30/40 AN001) 224 Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 10 of 249 IASA-0002TO START A SERVICE AIR COMPRESSOR. 00SCA 10/20/30/40 AN001226 IASA-0004 TO START SERVICE AIR DRYER (00SCF 10/20/30/40 AT001) 230 IASA-0005 CONSERVATION OF INSTRUMENT AIR SYSTEM DURING BLACK OUT. 232 TITLE : POWER PLANT COOLING SYSTEM SOP NO.DESCRIPTION OF ACTIVITYPAGE NO PPCCCW-01TO START A PPCCCW PUMP 00PGP01/02/03 AP001233

TITLE : DISTILLATE OIL SYSTEM SOP NO.DESCRIPTION OF ACTIVITYPAGE NO DOS - 0001UNLOADING OF ROAD TANKERS235 DOS - 0002DIESEL DAY TANK FILLING.238

TITLE : SEWAGE TREATMENT PLANT SOP NO.DESCRIPTION OF ACTIVITYPAGE NO STP - 0001WALK DOWN CHECK241 TITLE : GENERAL GUIDANCE TITLE : RAF B EMERGENCY OPERATION PROCEDURE DURING GRID BLACK OUT Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 11 of 249 MULTISTAGE FLASH EVAPORATORS Multistageflashevaporatorsareoneofthemeanstoproducepotable water,bytreatingthedistillateproducedwithsuitablechemicals,from seawater.ThebasicprincipleisFlashevaporation.Unlikeoncethro processMSFEutilizepartofthebrinegetrecycled.Theamountof distillate produced also depends on the brine recycle quantity. The System Ourmultistageflashevaporatorconsistsof18stages,onedeaerator,one heat input section, chemical dosing system and the associated auxiliaries. Thedeaeratedwaterismixedwithpartofbrineandcirculatedthrough Heat recovery section that starts from 16th stage and ends in 1st stage. The brine from the first stage enters heat input section where the brine is heated to112Cmaximum(topbrinetemperature).Thistemperatureis manipulatedbytheamountofsteamfedtotheheatinputsection.The heated brine is flashed through the stages.Theflashedvapourpassesthrodemisterpadsandcondensedoverthe tubesinheatrecoveryandheatrejectionsection.Thedistillateproduced arecollectedinthedistillatechambersandfinallypumpedoutfrom18th stagetotreatmentplant.Ferroussulphateisusedtoprotecttheheat rejectionsectiontube.BeliteM8,ananti-foamingagentisdosedto seawatermakeuptoavoidfoaminginthesystem.BelguardEV2000,an anti-scaleagentandSodiumsulphite,anOxygenscavengeraredosedto brine pump discharge.Stage17thro18removestheremainingheatfromthesystemutilizing incomingseawater.Partoftheseawaterfromtheheatrejectionsectionis utilized for the makeup to the systemand the rest is rejected to dump pit. By adjusting the rejection quantity brine bottom temperature is maintained whichdeterminestheoverallflashrangeforthefixedtopbrine temperature.Duringwinter,tomaintaintheheatrejectionsectioninlet seawater temperature, part of the rejected seawater is recycled.Onloadcleaningsystemensurestheremovalofsoftscalesfromtheheat recovery and heat input section tubes.Distillate from the 5th stage can be extracted and used as make up water to boilers called high purity distillate.Thenon-condensablegasesfromthestagesareextractedandsendto treatment plant, as this is rich in CO2 using booster pump. Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 12 of 249 TITLE: MULTISTAGE FLASH EVAPORATORS SOPNoMSFE - 0001 ACTIVITY Cold Startup REFERENCE Drg.No. 80359/100/8002 002 to 021,026 to 028 &030 RESPONSIBILITY Supervisor/Field operator COMMUNICATION To CCR supervisor and MSFE desk operator PRELIMINARY CHECKS Responsibility FieldCCR Ensure that the Unit is ready for start up. 1.All PTW are cancelled. 2.All man hole doors were properly closed 3.Instrument air, Service air and Service water are available and charged 4.Seawater header is charged up to MSFE and the Pressure is not less than 3.6 bar. 5.Steam header is charged and available up to the battery limit and the pressure is not less than 14 bar and temperature is 198 oC. 6.All range of power supply is available for the unit start up. 7.Chemicals are preparedto their correct strength at least to one tank. 8.At least one dump condenser is ready for operation. 9.All Control valves Stroking to be Checked if start up is after long shut down. * * * * * * * * * * * * * * * * * * OPERATION Responsibility FieldCCR Cold Start up of the plant involves the following steps. 1.Seawater charging to ejector condenser. 2. Sea water charging to heat rejection section 3.Establishing water level in Brine Chamber * * * * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 13 of 249 4.Establishing distillate level in distillate chambers. 5.Warming up of Ejectors Steam line. 6.Pulling Vacuum and conducting Vacuum test. 7.HRS & HIS tubes filling 8.Lining up Primary and secondary ejector set. 9.Establishing brine circulation in the system using one BRP 10. HIS condensate system lining up and steam admission toHISand isolating start up ejector. 11. Raising TBT to 90 ~ 95 oC and starting second BRP. 12. Lining up Distillate and increase the load to 100% production * * * * * * * * * * * * * * * * COMPLETION Responsibility FieldCCR -Once the Plant condition comes to steady state put all controller to Auto with the appropriate set points in relevant External/Internal mode -Closely monitor the plant parameters for any conductivity excursion, foaming.-Start recording the plant parameters and carry out routine activities. -Inform SCE about the job completion. * * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 14 of 249 TITLE: MULTISTAGE FLASH EVAPORATORS SOPNoMSFE - 0002 ACTIVITY Seawater Charging to Ejector Condenser. REFERENCE Drawing 7436/M40032 Sheet 003 RESPONSIBILITY Supervisor/Field operator COMMUNICATION To CCR supervisor, MSFE desk operator and BOP Supervisor PRELIMINARY CHECKS Responsibility FieldCCR -Confirm the availability of seawater up to battery limit and *2PAB10CP501 is at 3.6 bar minimum -Check the seawater return line vacuum breaker is in tact and *2GDP23CF001 orifice up stream and down stream vacuum breakers are lined up. -Check all drains in the seawater line, Pre condenser, Inter condenser, After condenser drain valves are closed.(*2GDP20/21/22AA401) -Check the seawater to After condenser valve is through.(*2GDP22AA001) -In case of Units12/32/52 also check *2GDP20AA002 is open -Keep all vents in the system open. (*2GDP20/21/22AA501/502) -Check Ejector Outlet Valve kept closed. (*2GDP23AA001) -Ensure that seawater discharge pit cover is put and properly secured. * * * * * * * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 15 of 249 OPERATION Responsibility FieldCCR -Slowly open **GDP20AA001 and admit water to ejector condenser, as the air is getting displaced open the valve further -Once the free flow of seawater established through vents, close all vents. Care should be taken not to over flow the condenser floor drain tray. -Open fully **GDP20AA001 -Establish the flow by full opening of outlet valve (*2GDP23AA001) -Check the Seawater flow is more than 1400 m3/hr. * * * * * * COMPLETION Responsibility FieldCCR -Ensure that there is no tube leaks in the condenser by checking the drains and level in the gauge glass. -Ensure that there is no Flange leak -Inform supervisor about the completion of the job. * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 16 of 249 TITLE: MULTISTAGE FLASH EVAPORATORS SOPNoMSFE - 0003 ACTIVITY Seawater Lining up to Heat Rejection (HRJ) section. REFERENCE Drawing 7436/M40032 Sheet 003 RESPONSIBILITY Supervisor/Field operator COMMUNICATION To CCR supervisor, MSFE desk operator and BOP Supervisor PRELIMINARY CHECKS Responsibility FieldCCR -Check all the drains of Stage 17A, 17B, 18A, 18B are in closed condition.(*2GDP30/31/32/33/34AA401) and also *2GDP10AA401. -Check all the vents of Stage 17A, 17B, 18A, 18B are in open condition.(*2GDP30/31/32/33/34AA501) -Keep **GDP60AA051, deaerator make up valve upstream, downstream and bypass valves in closed condition. (*GDP60AA001/002/003) -Keep Sea water recycle pump inlet valve *2GDP50AA001 Closed -Keep open the BBT control valve **GDP70AA051 down stream vacuum breaker in lined up condition. -Keep **GDP70AA051 in closed condition. -Inform seawater operator regarding HRJ charging and to monitor seawater pressure. * * * * * * * * * * OPERATION Responsibility FieldCCR -Open **GDP10AA001 manually to 5~8% slowly and ensure the flow of seawater thro the line. * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 17 of 249 -Check for the displacement of air in the system and the raise of pressure in **GDP30CP001. -Once the free flow of seawater without air mixture is established thro the vents close all the vents. -During water issuing thro vents care must be taken not to overflow the drain turn dish and bending of GRP vent lines. -Check the **GDP10AA001 upstream and downstream pressure got equalized thro **GDP10CP001 and **GDP30CP001. -Once the pressure got equalized, slowly open the BBT control valve and establish a flow of 3500 m3/hr thro HRJ section by opening GDP10AA001 fully. -Once the system is stable do one Ferrous sulphate dosing to sea water to HRJ section. -NOTE: In Winter season seawater recycle pump is to be put in to service; so charge the pump along with HRJ. * * * * * * * COMPLETION Responsibility FieldCCR -Inform supervisor about the completion of the job.* Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 18 of 249 TITLE: MULTISTAGE FLASH EVAPORATORS SOPNoMSFE - 0004 ACTIVITY Building up Level in Brine Chambers. REFERENCE Drawing 7436/M40032 Sheet 004 RESPONSIBILITY Supervisor/Field operator COMMUNICATION To CCR supervisor and MSFE desk operator PRELIMINARY CHECKS Responsibility FieldCCR -Keep the upstream and downstream valve of Deaerator make up valve *2GDP60AA051 in open condition after ensuring the closure of the control valve (*2GDP60AA001/002) -Check the closure of following Drain valves. oBrine blow down pump (*GDK01/02/03AA401) oBrine recirculation pump (*2GDK11/13/15/17AA401) oBrine chambers 6th & 15th stage (*GDK85/94AA401) oHRS & HIS Area (*2GDK22/50/61/70AA401/402 oDeaerator make up line (*2GDK60AA401) -Keep *2GDK22/70 AA051 Cold/Hot end flow control valves are in closed condition -Line up all level transmitters, switches and local gauges. -Check Brine blow down control valve *2GDK03AA051closed * * * * * * OPERATION Responsibility FieldCCR -Slowly open *2GDP60AA051 and establish a flow of 1200 m3/hr to deaerator and adjust *2GDP70AA051 accordingly so that total seawater flow is remaining the same. * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 19 of 249 -Once the level in stage 18 brine chamber reaches 75% cut off the feed to Deaerator and isolate **GDP60AA051 upstream and down stream isolation valves to avoid further level built up due to passing if any. * * COMPLETION Responsibility FieldCCR -Inform supervisor about the completion of the job. * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 20 of 249 TITLE: MULTISTAGE FLASH EVAPORATORS SOPNoMSFE - 0005 ACTIVITY ToPut an Ejector into service. REFERENCE Drawing 7436/M40032 Sheet 008 RESPONSIBILITY Supervisor/Field operator COMMUNICATION To CCR supervisor, MSFE desk operator and HRB operator PRELIMINARY CHECKS Responsibility FieldCCR -Ensure that the steam header is warmed up and through up to*2GDB10AA001. -All service steam traps are through. (*2LBA10AT411/412,*2GDB50AA402,AA405,AA408,AA411)-Steam pressure is 11 bar in case of primary and secondary ejectors to put in to service.(In POS see at *2GDB50CP001) -Check for opening of *2GDB50AA002/004 -Check for closure of *2GDB50AA003 -Ejector inlet air valve is in closed condition and outlet valve is in open condition.(**GDU71/72AA001/AA002, **GDU76/77AA001/AA002) -Check the deaerator pressure 50 m bar ) Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 70 of 249 TITLE: HRB SOPNoHRB-0002 ACTIVITY To start a Stand By Booster fan HHQ 05 AN001/2 REFERENCE Drg.No. 80359/100/4006 RESPONSIBILITY Supervisor/Field operator COMMUNICATION Inform CCR Supervisor & HRB desk operator PRELIMINARY CHECKS(Field Only) Responsibility FieldCCR -Ensure 0.4 KV supply from respective 0.4KV board ofeach boiler-Oil level in fan bearing[ rotating shafts oil pot] is normal -EPB to be released -Ensure no alarms in local panel in LCR OPERATION Responsibility FieldCCR -Trip the running fan bypressing EPB and then release the same EPB -Stand by fan will cut in as per program . If not give ON Command from POS for the same fanfromCCR .-Change selection in BMS panel after stand by cut in-Reset any alarms if persisting . * * * * COMPLETION Responsibility FieldCCR -Check for discharge Pressure , Vibration , Temperature risein bearing or any air leakage * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 71 of 249 TITLE: HRB SOPNoHRB-0003 ACTIVITY To start a Boiler feed pump from stand by condition 00LAC**AP001 REFERENCE Drg.No. 80359/120/0053 & 80359/120/0501 RESPONSIBILITY Supervisor/Field operator COMMUNICATION Inform CCR Supervisor & HRB desk operator PRELIMINARY CHECKS(Field Only) Responsibility FieldCCR -Ensure 3.3 KV Breaker healthiness & Earth Switch in open condition-EPB release-Suction [00LAB1*AA001], Discharge [00LAB2*AA002] & recirculation [00LAB6*AA001] manual valves should be in open condition-Suction[00LAB1*AA002] , discharge MOV[00LAB2*AA001should be in remote & suction MOV in open condition-All Deaerator recirculation manual Valves [00LAB6*AA005/6/7] should be in open condition -Instrument air for pneumatic valves should be available-Suction &discharge atmospheric drains [00LAB1*AA401/00LAB2*AA401] should be in closed condition-Pump should be in warming up state [Pump casing inlet & outlet temperature should be approximately 100deg.] & warming up valves should be closed before starting the pump -CCW seal flushing water system should be available and ensure no air lock in seal water cooler. -Oil levels of bearings of motor & pumps(DE & NDE) should be adequate. Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 72 of 249 OPERATION Responsibility FieldCCR -Give ON command from CCR from theFunction group after ensuring all permissives in DCS * COMPLETION(Field Only) Responsibility FieldCCR -After starting ensure the opening of discharge MOV. -Check for filter(suction) DP, seal water temp (should be 18 bar ) -Open the discharge Valve Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 75 of 249 TITLE: HRB SOPNoHRB-0006 ACTIVITY To Start Sodium Sulphite & Morpholine Dosing Pump 00QCC10/20/30/40/50/60AP001&00QCC10/20/30/40/50/60AP001 REFERENCE Drg.No.80359/177/0502 & /177/0552 RESPONSIBILITY Supervisor/Field operator COMMUNICATION Inform CCR Supervisor & HRB desk operator PRELIMINARY CHECKS(Field Only) Responsibility FieldCCR -Ensure 0.4KV supply in Feed water pump Switch gear. -Suction valve ( 00QCC10/11AA001) , discharge valves(QCC10/11AA004)of pump should be in open position. -Glycol pot of diaphragm pump should be full. -Air lock to be released from diaphragm-Ensure adequate level in preparation tanks of SODIIUM SULPHITE & MORPHOLINE OPERATION Responsibility FieldCCR Start the pump from Local control panel * COMPLETION Responsibility FieldCCR -Check for discharge pressure by closing the discharge valve (~> 4 bar ) & open the discharge valve again * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 76 of 249 TITLE: HRB SOPNoHRB-0007 ACTIVITY To Start Warm Recirculation Pump * 1LAB 50 AP001 REFERENCE Drg.No. 80359/100/4000 RESPONSIBILITY Supervisor/Field operator COMMUNICATION Inform CCR Supervisor & HRB desk operator PRELIMINARY CHECKS(Field Only) Responsibility FieldCCR -HRB should be in Shut Down condition-Drum metal temperature s 70 (after economiser 60 ) -Suction & discharge valve[*1LAB50AA001/2] should be in open condition-Pump motor circuit breaker should be inracked in conditionin 0.4KVboiler MCC-EPB should be in released condition-Pump bearing oil should be adequate OPERATION Responsibility FieldCCR -Give start commandfrom POS (CCR ) from drive level * COMPLETION Responsibility FieldCCR -Check for discharge pressure , should be greater than 3 bar otherwise suction filter or pump impeller to be checked* Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 77 of 249 TITLE: HRB SOPNoHRB-0008 ACTIVITY Taking Deaerator Into Service From Shut Down Condition OrTaking Stand By Into Service / Change Over00LAA10/20/30BB001 REFERENCE Drg.No. 80359/120/0007 RESPONSIBILITY Supervisor/Field operator COMMUNICATION Inform CCR Supervisor & HRB desk operator PRELIMINARY CHECKS(Field Only) Responsibility FieldCCR -Check the closure of drain valves to clean drains 00LAA*1AA001 , level gauge glass drains(00LAA*0AA728/733 ) vents (00LAA*0AA718/710) and steam line drains (00LBA*1AA401/402 ) -Check for opening of the vent valves 00LAA*0AA501/502-Open steam, condensate & make up water system(both Deaerator as well as Make up water tank) manual isolation valves [00LBA*1AA002/4,00LCA*1AA002/4/10&00LCP*1AA002/4, 00LEA*0AA001/002/003/004] -Steam line drains[00LBA*1AA401/402]&condensate line drains [00LCA*1AA401/402] to clean drain can be kept crack opened for warming up -All instruments connections root valves open (level and Pressure transmitters and gauges) and instruments are healthy. -Chemical dosing manual isolation valves (00QCC10/11 or80/81 or 70/71or90/91AA001) should be open. -Pegging steam MOV and its manual isolation valve should bein closed condition ( 00LBA*2AA001/002 ) OPERATION(Field Only) Responsibility FieldCCR -Crack open water side equalising valves 00LAL 01/02 AA00*. Keep itopenin same position .-Deaerated water will fill slowly from the other Deaerators which are in service. -After reaching required water level ( ~ 2200 mm ) open steam sidebalancing valve slowly ( 00LBL01/02AA00*) Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 78 of 249 -Once the pressure becomes equal water side equalizing valves also to be opened full. -Open Deaerator vessel feed water valve to header (00LAB0*AA001)-Open steam & condensate control valves slowlyfor taking Stand by Dearator into service and put them in auto so that the level and pressure to be maintained. COMPLETION(Field Only) Responsibility FieldCCR -Check for any level fluctuations, hammering &any pressure variations -Steam &condensate line drains can be closed. [00LBA*1AA401/402]& [00LCA*1AA401/402] which are kept crack opened for warming up. -Open Economiser return valves 00LAD*0AA001/002 to deaeartor slowly to avoid any hammering. -Open sampling valve 00LAB0*AA601 after ensuring CCCW to sample cooler. Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 79 of 249 TITLE: HRB SOPNoHRB-0009 ACTIVITY To StartCondensate Booster Transfer Pump Raf A-B Interconnection02LCB10/20AP001 REFERENCE Drawing No 80359/100/2501 RESPONSIBILITY Supervisor/Field operator COMMUNICATION Inform CCR Supervisor & HRB desk operator PRELIMINARY CHECKS(Field Only) Responsibility FieldCCR -Suction manual isolation valve 02LCA30AA020/30 should be in openposition-Drain valves near pump suction &discharge 02LCA30AA401/402 should be in crack open till temperature picks up (cold water is tobe drained)-EPB is to be released-0.4kv Power supply to the booster pumps is to be ensured. -Dischargemanualisolationvalves02LCA30AA022/32&02LCA 40AA001/2/4LCA50AA001/2/4should be in open position -0.4 kv Power supply to the following valves are to be ensured o02LCA80AA001/002/003 o02LCA20AA001/002/003 o02LCA30AA010 -Ensure the instrument air supply to the control valves. -Ensure the root valves of all measurement tappings are open.-STEAM IMPORT/ EXPORT SEL--- B-A STEAM (02LFY10EA400)EXPORT -Setcondensate bias 02LCA40DF501 70T/Hfor minimum flow recirculation across the pump -COND. BOOSTER PUMP SEL----PUMP1/2 (02LFY20EA111)To be made according to the availability. * * * OPERATION Responsibility FieldCCR Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 80 of 249 -Close drain valves[LCA30AA401/402] as soon as lines are warmed up.-Start the pump via DCS from function group after selecting the concerned pump (02LFY20EA111) * * COMPLETION Responsibility FieldCCR -Check for any abnormal sound from motor and pump -02LCA40AA051 opens and maintains a minimum flow of 70 T/Hr through the recirculation. * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 81 of 249 TITLE: HRB SOPNoHRB-0010 ACTIVITY WHRB START UP PROGRAMME REFERENCE Drg.No. 80359/100/4000,4004,4005 and 4007 RESPONSIBILITY Supervisor/Field operator COMMUNICATION Inform CCR Supervisor & HRB desk operator PRELIMINARY CHECKS(Field Only) Responsibility FieldCCR Local check up before starting WHRB No PTWshould be pending Area should be clean All motorised valves are in remoteWarm recirculation pump in isolated condition[suction and discharge valves in closed condition] Warm preservation steam control valve in closed condition Recirculation steam control valves manual isolation valvesare in closed condition All drain valves in closed condition Manual isolation valves after25&100% flow control valves and feed water return line to deaerator manual isolation valve[LAD10AA001] are in open position All pressure ,level and flow transmitters are in commissioned condition Drum in filled condition. Level should be more than 200mm Drum level gauge glasses are to be commissioned and were checked for proper operation. Feed water, drum, and steam sampling line should be commissionedTrisodium phosphate dosing line at drum should be in open condition Supply should be available to booster fan Diverter damper panel in remote selected Supply should be available to DD panel and no alarm regarding diverter damper. DD hydraulic system should be ON. Fuel gas system for post firing should be made ready. Feed water inlet line bypass valve opened to equalize the line pressure Vent line &steam line drain manual valves are in open condition. Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 82 of 249 All access doors are properly closed and check flue gas exhaust path All motorised valves are in remote positionSteam header isolation valve * 1LBA 10 AA001/2 should be in Open conditionAll drain valves are in closed condition (*1 HAC 50 AA 00 2 & 4)All pressure , flow & level transmitters are to be normalisedGT should be in service with minimum load and TAT < 400 c Ensure BMS emergency trip should not be active OPERATION(CCR Only) Responsibility FieldCCR -Give ON command from CCR boiler start up programme and advance in steps and stop at step no. 15-During cold start up i.e drum pressure < 4 bar at step 10Diverter Damper gets open and remain in{25 } stage 1 for 5 min andadvance to stage 2 { 60 } remain in stage 2 for 5 min and then open to 100 . -Hot start up i.e Drum pressure > 4 bar . Diverter Damper open straight to 60 stays for 5 min & later opens to 100 . -PARAMETERS TO BE OBSERVED DURING START UP oAfter burner temperature raise rate oDrum pressure raising rate oDrum metal temperature raising rate oAll logic controlled valves open/close i.e Feed water to economizer inlet, Economiser return to Deaerator, Flow control station valves(25% - MOV),Bypass of main steam isolating valves,Steam line drain valve and vent valve if pressure is < 2bar,Main steam valve open after 2 bar pressure or with in the time limit and its bypass closure. Steam flow reaches >88T/Hr Flow control station 100% MOV Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 83 of 249 COMPLETION Responsibility FieldCCR -Check for any steam ,water leak or any abnormal hammeringsound. -Check the Booster fan discharge pressure and it should be greater than or equal to 70 mbar. At 50 mbar HRB will trip. -Ensure the steam line valve opening after achieving required steam pressure and monitor the start of flow of steam. * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 84 of 249 TITLE: HRB SOPNoHRB-0011 ACTIVITY To Start Import/Export Steam Through RAFA-B Interconnection Line REFERENCE Drg.No. 80359/100/2501 RESPONSIBILITY Supervisor/Field operator COMMUNICATION Co-ordination between RAFA&B SCE,CCR Supervisor and Local supervisorHRB desk operator &local operator PRELIMINARY CHECKS(Field Only) Responsibility FieldCCR -All atmospheric drains should be kept crack opened to drain thecondensate inosteam interconnection line 02LBA40AA420/467/421/425/431/435/439/443/447/451(Get confirmation from RAF-A also) ocondensate inter connection line 02LCA40AA401/402,02LCA50AA401/402,02LCA20AA401/402, 02LCA80AA405/406,02LCA30AA401/402,02LCA80AA401/402 (Once the warming up is completed above valves can be closed.) -Ensure 0.4kv power supply for the following valves o02LBA40AA02/003/006/007 -Ensure the instruments air supply to control valve 02LBA40AA051 -Ensure the opening of the following manual valves o02LBA40AA001 o02LBA40AA004 or AA005 at RAF-A depending on the line to be kept in service -Ensure all Steam traps are lined up to clean drain system. (Upstream and down stream manual isolating valves are to be kept open and bypass valves are kept closed) -Ensure all Instrumentation tapping root valves are open and are healthy. OPERATION(CCR Only) Responsibility FieldCCR Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 85 of 249 The Following Selection To Be Made By CCR Operator[HRB] AUTO/MANUAL CTRL ---AUTO (02LFY00EA200) STEAM IMPORT/ EXPORT SEL---A-B/ B-A STEAM/ (02LFY10EA400) EXPORT STEAM EXCH. INTERCEPT ---WITH OUT LINE (02LFY00EA120)CLOSE COND. BOOSTER PUMP SEL----PUMP1/2 (02LFY20EA111) WARMING UP SEQUENCE (STEAM) -By giving warming up sequence ON( 02LFY10EA100 - FROM POS) -02LBA40AA003 BYPASS MOV opens-After balancing of pressure on both sides of02LBA40AA002 MOV, o02LBA40AA002MOV opens o02LBA40AA003Bypass MOV closes. ( Duration 15 min.) -02LBA40AA051 flow control valve open in steps of 5%,8%&12% tilldown stream pressure 02LBA40CP002 reaches up to15 bar.(Duration 45min) -At this stage RAF A MOV o02LBA40AA 006 or 7 (whicheveris selected) opens. -WARMING UP PHASECOMPLETION CONDENSATE TRANSFER (Normally pump is started manually) -Condensate booster pump to be selected PUMP1 or 2 (02LFY20EA111) -Select CONDENSATEINTCH. CONTROL ON AUTO (02LFY30EA100) -Select CONDENSATEBOOSTER PUMP CONTROL ON AUTO (02LFY20EA100) -Setcondensate bias 02LCA40DF501 70T/Hfor minimum flow recirculation across the pump -Set condensate bias02LCA50DF501 10T/H(During condensate import depending upon the requirement) -GiveCONDENSATE INTCHCONTROLON (command from POS 02LFY30EA100) IF STEAM EXPORT IS SELECTEDCONDENSATE WILL BE IMPORTEDAS PER LOGIC.

Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 86 of 249 -Selected pump will start. -02LCA80 AA003 MOV open fully. -Condensate control valves 02LCA40/50AA051 will turn to AUTO by itself. -Condensate control valve 02LCA40AA051 will open to maintain 70T/H flow across the pump.(RECIRCULATION) -With increased steam export condensate will be imported .(02LCA40AA051-Condensate recirculation control valve will close slowly on increase of condensate Import).-Condensate flow set point will track the steam flow (bias can also be given depending upon our requirement on consulting RAF-A) IF STEAM IMPORT IS SELECTED CONDENSATE WILL BE EXPORTED AS PER LOGIC.( NORMALLY STEAM IMPORT IS NOT ENVISAGED) -Setcondensate bias 02LCA40DF501 10T/H or NIL depending upon the requirement-Set condensate bias02LCA50DF501 70T/H -On Giving CONDENSATE INTCH. CONTROLON (02LFY30EA100) -02LCA20AA003Open -02LCA30AA010Open-Condensate control valves 02LCA40/50AA051 will turn to AUTO. -With increased condensate export02LCA50 AA051 Condensaterecirculation valvecloses slowly. -If differential pressure of condensate between RAF B and A become less than 3bar -Selected condensate booster pump will start on AUTO. STARTEXPORT/ IMPORTSTEAM. IFWARM UP SEQUENCE( TOTAL DURATION 1H & 02LBA40CP002 PR. TX 15bar) IS OVERSTEAM CAN BE EITHER IMPORTED OR EXPORTED. NORMALLY EXPORT OF STEAM IS ENVISAGED.

-Select STEAM IMPORT/ EXPORT----- A-B/ B-A(as per requirement) -If export is selected , ensure the steam availability of RAF B and demand of RAF A. -Steam export can be started manuallyby opening control valve 02LBA40AA051 up to 120T/H. Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 87 of 249 -Slowly close all atmospheric drains at around 80T/Hr after ensuring no condensate through them. -Put 02LBA40AA051 on auto after matching the set point at 120T/Hr steam flow. -Ifsteam import is selectedthen(CMPC) Master pressure controllerRAF Bsteam header pressure set point to be adjusted to 14.5bar and ask RAF A to raise the steam header pressure to 15 bar. -Then Steam can be importedlike mentioned above. MASTER GROUP CONTROL ON -Select 02LFYEA100 Steam exchange control on auto and ON -Steam export/import can now be increased by increasing steam flow set point COMPLETION Responsibility FieldCCR -Check at local for any abnormalities. -Ensure that all steam trap bypass valves areclosed. * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 88 of 249 TITLE: HRB SOPNoHRB-0012 ACTIVITY HRB Local Operator Routine Checks REFERENCE RESPONSIBILITY Supervisor/ Field operator COMMUNICATION Field operator To Local Supervisor PRELIMINARY CHECKS Responsibility FieldCCR OPERATION(Field Only) Responsibility FieldCCR -1.Scanner cooling air fan -2.Diverter damper seal air fan -3.Diverter damper hydraulic pump -4.Feed water pumps -5.Chemical dosing pumps -Trisodium phosphates -Sodium sulphites -Morpholine -6.Make up water pumps -7.Condensate booster pumps -8.Instrument air &Service air compressors -Check bearing oil levels, bearing hotness[pump side &motor side],Motor body hot ness.Any leakage or abnormal sound to be noted &to be informed -9.Drum level gauge glass--- check for visibility, level &leakages -10. Dearator---Level gauge glassvisibility, leakages & level -11.Flue gas duct man hole Check for any leakage of hot gases Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 89 of 249 -12.Nuetralisation system Checkdrain sump level, chemical tanks level &any leakages -13.Diesel generator-----check diesel oil tank levels, Starting air compressor -14.Fuel gas station ------Check for any leakages -15.Fire control panel availability -16. Manual call points are to be checked -17. Oily drain &clean drains pumps auto selection is to be checked &see that selected pump is starting on auto COMPLETION Responsibility FieldCCR -In case-of any Abnormality it should be communicated immediately to Local Supervisor/CCR. Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 90 of 249 PRODUCT WATER TREATMENT SYSTEM DESCRIPTION OF THE SYSTEM OPERATION(PROCESS) ThepurposeoftheProductWaterTreatmentPlantistoincreasethehardness contentofthedistillateproducedbytheevaporationplant.Thisisdonebymeansof additionofCarbondioxideintothedistillateflowwhichisdesignedtoenterthe limestonefiltersandbythereactionoftheacidifieddistillateonthemassoflimestone installed in the plant filters. Part of the distillate inlet to the Product Water Treatment Plant is by-passed and is fed directly into the final blending chambers. Therecarbonateddistillatecomingoutfromthelimestonefiltersisthenpassed through the excess CO2 degassifier stage and is accumulated into the blending chambers. Thedistillatefromthedegassifierswithitsuntreatedby-passdistillatelineare then mixed in the blending chambers with the necessary chemicals in order to adjust the finalTotalhardness,theTDSsalinity,thefinalpH,theresidualchlorinecontentfor sterilization purposes.The blended final potable water is then ready to be pumped to the reservoirs. The main Product Water Treatment Plant is composed by 2 x 50% parallel lines eachcomprisingoneCO2absorber,onedistillateby-passline,onelimestonefiltersline (10filtersinstalled,9normallyinserviceand1asstand-by),oneCO2degassifier,one blending chamber, one chemical dosing and mixing line. Additionally,eachoftheCO2 absorberswillbefedonlywithapartofthe distillate destined to the Limestone filters treatment, while the remaining part will by-pass theCO2 absorptionstepandwillbedirectlyfedtowardstheCO2absorberoutlet collecting header in order to mix with the activated CO2 acidified distillate and further be passed towards the Limestone filters. The in-service installed mass of limestone in each filter will be partially consumed bythechemicalreactionbetweentheCO2andthelimestoneitself(calciumcarbonate CaCO3), and periodically the consumed limestone is re-filled in each filters by means of a mechanical loading movable vehicle. Dedicatedsystemsforthechemicalpreparation(sodiumcarbonateforfinalpH adjustment) and dosing are also installed in proximity of the plant. Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 91 of 249 TITLE: PRODUCT WATER TREATMENT SOPNoPWTP - 0001 ACTIVITY To Start a Booster Pump REFERENCE Drawing No:80359/155/0602 sheet 1. RESPONSIBILITY CCR / Local Operator COMMUNICATION Inform Local Supervisor PRELIMINARY CHECKS Responsibility FieldCCR -Pump should be in primed condition.Open Discharge vent and partially open the Suction Valve, after priming close discharge vent and fully open the Suction Valve. -Suction (00TAA25AA001/002/003) and discharge valve (00TAA26/27/28AA002) should be in open condition. -Ensure system is lined up with CO2 absorber.(00TAA26/28AA051 should be kept open). -Oil level in pump bearing should be normal -EPB should be released condition. -Suction pressure should be > min 1 (1.5 bar). -All permissive should be healthy and no protection should be active.

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OPERATION Responsibility FieldCCR -Pump should be started from drive level by giving ON command on the respective window (No booster pump is in service) in POS MIMIC PWT. * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 92 of 249 COMPLETION Responsibility FieldCCR -At local check for any abnormal noise, oil leakage, motor vibration, bearing temperature. -Check the motor amperage. -Check the discharge pressure. * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 93 of 249 TITLE: PRODUCT WATER TREATMENT SOPNoPWTP - 0002 ACTIVITY To change a Booster pump REFERENCE Drawing No:80359/155/0602 Sheet 1. RESPONSIBILITY CCR Operator / Local Operator COMMUNICATION Inform to Local Supervisor. PRELIMINARY CHECKS Responsibility FieldCCR -Same as above. OPERATION Responsibility FieldCCR -Stop the pump which one to be taken out of service, Stand-by pump will come into service automatically. * COMPLETION Responsibility FieldCCR -At local check for any abnormal noise, oil leakage, motor vibration, bearing temperature. -Check the motor amperage. -Check the discharge pressure. * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 94 of 249 TITLE: PRODUCT WATER TREARTMENT SOPNoPWTP - 0003 ACTIVITY To Lineup Activated Carbon Filter REFERENCE Drawing No:80359/155/0602 Sheet11. RESPONSIBILITY Area Operator COMMUNICATION Inform Local Supervisor PRELIMINARY CHECKS Responsibility FieldCCR -CO2 gas incoming supply line from MSFE to treatment plant shouldbe through ( VALVES 00TAC10AA001/002/003 should be open.). -Check CO2 gas header pressure (3 bar) at local. -CO2 gas inlet manual isolation valve (00TAC13/12AA004) to absorber should be open. -Select the activated carbon filter which one to be taken into service.(00TAE10BB001/00TAE20BB001) forabsorber 1. -ACF by pass valve (00TAC13/12AA002) should be in closed condition. * * * * * OPERATION Responsibility FieldCCR -Open the outlet valve (00TAE10/20/30/40AA002) slowly without much disturbance to Absorber inlet pressure then slowly open the inlet valve (00TAE10/20/30/40AA001) without much disturbance to CO2 header pressure. * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 95 of 249 COMPLETION Responsibility FieldCCR -Check the CO2 flow and pressure at local. -Drain the ACF free of water collection.(by opening the DP gauge impulse line). Check the DP of ACF at local * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 96 of 249 TITLE: PRODUCT WATER TREARTMENT SOPNoPWTP - 0004 ACTIVITY To Lineup CO2 Absorber REFERENCE Drawing No:80359/155/0602 Sheet 1. RESPONSIBILITY CCR Operator / Local Operator COMMUNICATION Inform Local Supervisor PRELIMINARY CHECKS Responsibility FieldCCR -Establish distillate flow through Absorber distillate bypass control valve (00TAA30/22AA051) to lime stone filters. -Flush the Absorber packing with distillate using FCV bypass (00TAA26/28AA005) and drain valve (00TAA14/15AA401). -Fill the absorber with distillate up to working level (1800mm). -Absorber outlet interconnection valve (00TAA30AA00) should be in closed condition. -Control Valve (Distillate flow & Absorber Level) bypass valve (00TAA26AA005 & 00TAA14AA005) should be in close condition. -Control Valve Upstream (00TAA26AA003 &00TAA14AA001) and downstream (00TAA26AA004 & 00TAA14AA003) manual isolation valve should be in open condition. * * * * * * OPERATION Responsibility FieldCCR -Ensure CO2 gas availability from MSFE by checking the local pressure indicator. -CO2 should be charged, by slowly opening the inlet valve (00TAE10/20/30/40AA001) of Activated Carbon Filter. * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 97 of 249 -Give the Absorber Pressure Set Point (2.8 bar- 0.4 bar higher than CO2

absorber bypass set point) and put the Pressure Control Valve(00TAF10AA051) on Auto mode. -Select the absorber, which is in service on absorber pressure selector and put the CO2 common control on External mode. (POS-MIMIC PWT 111). -Put the Level control valve (00TAA14AA051) on auto mode. -Open the Distillate inlet flow control valve (00TAA26AA051) slightly and Start one Booster Pump. -Open Distillate flow control valve (00TAA26AA051) slowly (up to 7% distillate flow) and then put on auto mode. -Line up second Absorber in the same way. COMPLETION Responsibility FieldCCR -When both absorbers pressure reaches 2.8 bar, select Average on Absorber Pressure selector for the controlling parameter.(POS-MIMIC PWT 111). * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 98 of 249 TITLE: PRODUCT WATER TREATMENT SOPNoPWTP - 0005 ACTIVITY To Take A LSF Filter Into Service. REFERENCE Drawing No:80359/155/0602 Sheet No:3,4,5,6 & 7. RESPONSIBILITY CCR Operator / Local Operator COMMUNICATION Inform to Local Supervisor PRELIMINARY CHECKS Responsibility FieldCCR -Decide the filter to be taken into service -All motorized valve of the above filter should be in close, remote, stop mode and no switchgear disturbance. -Distillate inlet & outlet manual isolation valve (00TAG**AA008/009) should be in open condition. -Air inlet, Backwash water inlet, drain manual isolation valve (00TAG**AA011/012/010) should be in closed condition. -Level Displacer should be in Displacer up mode. -D.P. across the filter should be < max 1 (300 mbar) on POS. *

* * * * * OPERATION Responsibility FieldCCR -Select enable to the filter (on respective mimic) which is to be taken into service. -Increase the filter requirement in DCS (QTY. REQ.) By 1 (POS-MIMIC PWT 612).-Distillate outlet & inlet motorized valve (00TAG**AA002/001) of the enabled filter will open Automatically * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 99 of 249 COMPLETION Responsibility FieldCCR -Check the Level Displacer, it should move to Limemode. -Check the distillate inlet flow, if the flow is less open thevent valve (locally) until the filter is completely primed.Automatic vent isolation valve should be in open condition. * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 100 of 249 TITLE: PRODUCT WATER TREATMENT SOPNoPWTP - 0006 ACTIVITY To Take A Filter Out Of Service. REFERENCE Drawing No: 80359/155/0602 Sheet No 3,4,5,6 & 7. RESPONSIBILITY CCR Operator / Local Operator COMMUNICATION Inform to Local Supervisor PRELIMINARY CHECKS Responsibility FieldCCR -Decide the filter to be taken out of service. -All motorized valve of the above filter should be in remote and no switchgear disturbance. -Level Displacer should be in Lime mode. * * * OPERATION Responsibility FieldCCR -Select enable to the filter (on respective mimic) which is to be taken out of service. -Decrease the filter requirement in DCS (QTY. REQ.)by1 -Distillate inlet & outlet motorized valve of the enabled filter will close automatically. * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 101 of 249 COMPLETION Responsibility FieldCCR -Level Displacer will move to Displacer up mode. -Check that there should be no distillate flow through filter. -During Startup (taking any line into service) first two filters should be taken into service manually by opening its Distillate outlet (00TAG**AA002) & inlet valve(00TAG**AA001) -During Shutdown (taking any line out of service) last two filters should be taken out of service manually by closing its Distillate outlet (00TAG**AA002) & inlet valve (00TAG**AA001). -Standby Status:If any filter cutout on Maximum distillate flow (66720 m3/hr) or Low lime level (2590 mm) than the Standby filter will come into service automatically. -All motorized valve should be in close, remote, stop mode and no switchgear disturbance. -Distillate inlet and outlet manual isolation valve should be open. -Air inlet, Backwash inlet and drain manual isolation valve should be in closed condition. -Level displacer should be in Displacer up mode. -D.P. across the filter should be < Max1 (300mbar). * * * * * * * * * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 102 of 249 TITLE: PRODUCT WATER TREATMENT SOPNoPWTP - 0007 ACTIVITY To Drain A LimeStone Filter For Lime Filling. REFERENCE Drawing No: 80359/155/0602 Sheet No 3,4,5,6 & 7. RESPONSIBILITY CCR / Local Operator COMMUNICATION Inform Local Supervisor PRELIMINARY CHECKS Responsibility FieldCCR -Decide the filter to be drained for filling -Distillate inlet & outlet (00TAG**AA008/009) manual isolation valves should be closed. -Level displacer should be in Displacer up mode. -At least one backwash water retaining basin level shouldbe low and its gate should be open.One dewatering pump (00TAS50/60AP001) should be available. * * * * OPERATION Responsibility FieldCCR -Give On command to Backwash sequence (FOR DRAINING) on DCS of respective filter. -During draining check the level displacer, it shouldbe inwater mode. -After draining, Level displacer should move to Displacer up mode. * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 103 of 249 COMPLETION Responsibility FieldCCR -Draining sequence will stop at step 5. -Once the draining completed (no water coming through the drain valve) give clearance for manhole opening and Lime Charging.

* * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 104 of 249 TITLE: PRODUCT WATER TREATMENT SOPNoPWTP - 0008 ACTIVITY To Refill / Charge Limestone On Filter. REFERENCE Drawing No: 80359/155/0602 Sheet 10 RESPONSIBILITY Local Operator and loading helper. COMMUNICATION Inform Local Supervisor and CCR Operator. PRELIMINARY CHECKS Responsibility FieldCCR -The filter to be filled should be in drained condition. -Level displacer should be up (at local). -Lime Stone movable vehicle (00TAR10AF00) should beparked in the charging yard position. -Limestone chips (from storage area) should be filled into the movable vehicle by shovel operator. -Ensure power supply (400 V) on the sockets, installed along the railway track parallel to the two limestone filter rows. -The movable vehicle (with lime stone) is to be moved to the filter, which is to be filled. * * * * * * OPERATION Responsibility FieldCCR -Loading helper has to climb to the filter top walkway, and open the filter recharging manhole. -Movable vehicle discharge flexible hose is to beconnected correctly into the filter recharging manhole. -Now lime stone charging can be carried out by starting the loading * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 105 of 249 machine. -The vertical bucket elevator (00TAR30AF001) and hopper bottom horizontal screw conveyor(00TAR20AF002) will start. -Ensure proper filling by checking the screw feeder opening and through the filter manhole. -Once all the lime stone chips transferred from movablevehicle to the filter, the vehicle should be moved to the charging yard and filling to be continued until the limelevel in filter reaches around 3500 mm. * * * COMPLETION Responsibility FieldCCR -After completion of filling, the filter manhole should be closed. -Inform Local Supervisor and CCR Operator about the job completion. * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 106 of 249 TITLE: PRODUCT WATER TREATMENT SOPNoPWTP - 0009 ACTIVITY To Backwash A Lime Stone Filter After Lime Filling. REFERENCE Drawing No:80359/155/0602 Sheet 2 & 10 RESPONSIBILITY CCR / Local Operator COMMUNICATION Inform Local Supervisor PRELIMINARY CHECKS Responsibility FieldCCR -Making ready for Backwash. -Distillate inlet, Air Scour inlet, Backwash water inlet manual (00TAG**AA008/011/012) isolation valve should be open. -All motorized valve should be remote & stop mode. -Make local release (near the filter) ON. -Backwash water Tank level should be > Max 1 (11,640mm), if level is less than we have to fill by opening its inlet valve (00TAS10AA001). -Select Backwash Pump and Air Scour Blower on F.G.(00TAS10/20EA111). -Air Scour Blower discharge valve(00TAS20/30AA002) should be open. -Backwash pump Suction (00TAS10AA002/003) & Discharge (00TAS11/12AA002) valve should be open. -EPB for Air Scour Blower & Backwash Pump should be in released condition. -At least one backwash water retaining basin level should be low & its gate should be open. -At least one backwash retaining basin dewatering pump(00TAS50/60AP001) should be available and it shouldbe lined up to * * * * * * * * * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 107 of 249 CCCW return pit (00PAD40/50). -Inform Seawater Operator to take one more Seawater filter into service. -Inform CCR Operator to start backwashing. OPERATION Responsibility FieldCCR -Give ON command in Refill operation on DCS. -During backwashing sequence closely monitor each phase/activity. -Airscouring,Airscouringmixedseawaterbackwashing,Seawater backwashing,Filtertotaldrainingdown,Finalfilterrinsing, completion. -Check retaining basin level and start dewatering pump * * * * COMPLETION Responsibility FieldCCR -After completion of backwash sequence, Close Air inlet, Backwash water inlet manual isolationvalve. -Open Distillate outlet (00TAG**AA009) manualisolation valve. -Select the filter on Stand-by mode / Available (Select 2 on Stand-by request for Stand-by mode). * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 108 of 249 TITLE: PRODUCT WATER TREATMENT SOPNoPWTP - 0010 ACTIVITY To Lineup CO2Degassifier REFERENCE Drawing No:80359/155/0602 Sheet 8. RESPONSIBILITYCCR Operator / Local operator COMMUNICATIONInform Local Supervisor PRELIMINARY CHECKS Responsibility FieldCCR -Distillate inlet manual valve(00TAA70/71AA001)open. -Ensure manual damper of blower is open. -EPB for main & aux. Fan (00TAH20/30/50/60/25/35/55/65AN001) not active. -Main damper (00TAH20/30/50/60AA051) closed and manual mode. POS-MIMIC PWT 411. -Distillate inlet motorized valve (00TAA70/71AA002) open and remote. -All permissive for startup should be healthy and no protection should be active. POS-MIMIC PWT 411. * * * * * * OPERATION Responsibility FieldCCR -After pre selection of Fan give ON command through F.G. -During startup check the following -Auxiliary fan (00TAH25/35AN001) ON waiting time 10 seconds. -Main fan (00TAH20/30AN001) ON waiting time 10 seconds.-Solenoid valve (00TAH20/30AA001) of main damper Open waiting time 5 seconds. * * * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 109 of 249 -Main & Aux. Damper (00TAH20/30AA051/52) change to auto mode automatically. * COMPLETION Responsibility FieldCCR -At local check any abnormal noise from motor. check amperage at module. -Check water flow through sample line. * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 110 of 249 TITLE: PRODUCT WATER TREATMENT SOPNoPWTP - 0011 ACTIVITY To Change Over Degassifier Fans REFERENCE Drawing No:80359/155/0602 Sheet 8. RESPONSIBILITY CCR Operator / Local Operator COMMUNICATION Inform Local Supervisor. PRELIMINARY CHECKS Responsibility FieldCCR -Same as above OPERATION Responsibility FieldCCR -Select the fan to be taken into service onthe PRESELECTOR of the Air Fan. -The pre-selected fan will come into service and the other fan will stop automatically. * * COMPLETION Responsibility FieldCCR -At local check any abnormal noise from motor, Discharge pressure and checkamperage at module. * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 111 of 249 TITLE: PRODUCT WATER TREATMENT SOPNoPWTP - 0012 ACTIVITY To Lineup Hypo Chlorite Dosing System REFERENCE Drawing No:80359/155/0602 Sheet 8,80359/145/0748RESPONSIBILITY Local Operator COMMUNICATION Inform Local Supervisor PRELIMINARY CHECKS Responsibility FieldCCR -Chlorination Plant dosing pump should be in service. -Its discharge Pressure ( > 3.5 bar), and flow should be sufficient. -Hypochlorite dosing line to PWT (Both BC 1 & 2) isolation valve (00TVB91AA001/002) should be in open condition. -Chlorine inlet interconnection valve (00TVB91AA001) at PWT should be in closed condition. -Dosing line interconnection valve (00PCB52AA002) after Static Mixer should be in closed condition. -Dosing inlet valve to BC 1 & 2 (00PCB52/50AA003) should be open. * * * * * * OPERATION Responsibility FieldCCR -Open C.V. downstream (manual) isolation valve (00TVB91AA002/003). -Slowly open the Control Valve (02TVB91AA051/052). -Check the Hypochlorite flow in each line. -Give Chlorine Concentration Source S.P. according to the Hypochlorite solution concentration / current. POS-MIMIC PWT 411. -Give Chlorine dosing S.P. (1 ppm).POS-MIMIC PWT 411. * * * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 112 of 249 -Once the flow is stabilized and online valve is matching with the Set Point than dosing Control valve can beselected on auto mode. POS-MIMIC PWT 411. * COMPLETION Responsibility FieldCCR -Laboratory may be informed to take sample. -Check the online Analyzer value with laboratory value.-If online value is not matching with the laboratory value increase or decrease the Set point accordingly, otherwise recommend for analyzer calibration. * * *

Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 113 of 249 TITLE: PRODUCT WATER TREATMENT SOPNoPWTP - 0013 ACTIVITY To Start A Sodium Carbonate Pump REFERENCE Drawing No:80359/155/0602 Sheet 8. RESPONSIBILITY CCR Operator / Local Operator. COMMUNICATION Inform Local Supervisor. PRELIMINARY CHECKS Responsibility FieldCCR -At least one Na2CO3 solution tank (00TAP10/20BB001) should be availablewith sufficient (>Min 1) solution level. -The relevant tank Outlet valve (00TAP10/20AA003) should be in open condition and its motor operated Stirrer (00TAP10/20AM001) should be in service. -Suction filter should be made available. -Pump suction (00TAP30/40/50AA001) & discharge valve (00TAP30/40/50AA004) should be open. -Oil level should be sufficient. -Pneumatic (Instrument) Air supply should be available. -Pump delivery header sectionalize valves (00TAP70AA001/002) should be open/close according to the line selection. -60% line of the relevant Blending Chamber should be in service.-Na2CO3 dosing valve of the relevant Blending Chamber should be open. -Pump EPB should be in released condition. * * * * * * * * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 114 of 249 OPERATION Responsibility FieldCCR -Pump pneumatic positioner controller should be in manual mode and minimum. -Give ON command to the pump at drive level. -Increase the pneumatic positioner controller slowly. -Give the pH set point. -Select the analyzer of the relevant/connected Blending Chamber. -Select the pneumatic positioner controller on auto mode. * * * * * * COMPLETION Responsibility FieldCCR -Check Na2CO3 flow and pneumatic positioner controller whether it is increasing or decreasing according to the set point and feed back. Online values may be cross checked with laboratory values, if necessary it can be recommended for calibration. * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 115 of 249 TITLE: PRODUCT WATER TREATMENT SOPNoPWTP - 0014 ACTIVITY To Prepare Sodium Carbonate Solution REFERENCE Drawing No.80359/155/0602 Sheet 9. RESPONSIBILITY CCR Operator, Local Operator and Laboratory Staff COMMUNICATION Inform Local Supervisor PRELIMINARY CHECKS Responsibility FieldCCR -The tank to be prepared should not be in service, i.e. its outlet valve (00TAP10/20AA003) in closed condition. -Tank should be filled with water up to normal level, i.e. >Max 1 (1001mm) and 2000mm). -Oil level in pump bearing is normal -Pump should be in primed condition. Open Suction and Discharge vent and partially open the Suction Valve, after priming close both vent valve and fully open the Suction Valve. -Suction valve (00TAA83/84/85/94AA001) open and remote (from local). -Discharge valve (00TAA8384/85/94AA003) close and remote (from local). -EPB in released condition -All permissive for the pump startup are healthy and no protection is active. Pump Suction valve (00TAA83/84/85/94AA001) should be open. No switch gear disturbance to pump. Atleast one suction line should be ready (00TAA80/81AA001). Atleast one discharge line should be ready (00TAA87/88AA051) -F.G. Treated water pump should be in STOP/MANUAL mode. * * * * *

* * * * * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 118 of 249 OPERATION Responsibility FieldCCR -Give on command at drive level to start the pump. -During startup sequence check the following. oDischarge valve (00TAA83/84/85/94AA003) should start open within 60 seconds (close indication should vanish) oDischarge valve (00TAA83/84/85/94AA003) should open completely within 240 seconds. * * COMPLETION Responsibility FieldCCR -In local check motor amperage, any abnormal noise, vibration, any oil leaks etc. -Observe the rate of raise of motor winding temperatures and bearing temperatures.-Once the pump got started and stabilized, and start recording relevant parameters. * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 119 of 249 TITLE: PRODUCT WATER TREATMENT SOPNoPWTP - 0016 ACTIVITY To Stop A Treated Water Pump REFERENCE Drawing No:80359/155/0006 Sheet 2. RESPONSIBILITYCCR Operator / Local Operator COMMUNICATIONInform CCR / Local Supervisor PRELIMINARY CHECKS Responsibility FieldCCR -Check the Discharge valve (00TAA83/84/85/94AA003) is in remote and not disturbed. * OPERATION Responsibility FieldCCR -If F.G. is ON stop the selected pump through Drive level and check the next pump cut in if demand is there. -If F.G. is Manual / Stop mode and there is no demand stop pump by giving OFF command on pump drive level. -If F.G is in manual/stop mode and demand is there start the next available pump and then stop the selected pump through Drive level. * * * COMPLETION Responsibility FieldCCR -At local check full close of the discharge valve . -Ensure that there is no passing through NRV, observing the reverse rotation of impeller * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 120 of 249 TITLE: PRODUCT WATER TRAETMENT SOPNoPWTP - 0017 ACTIVITYStarting of Second Treated Water Pump REFERENCE Drawing No:80359/155/0006 Sheet 2. RESPONSIBILITY CCR Operator COMMUNICATION Inform to Local Supervisor PRELIMINARY CHECKS Responsibility FieldCCR -Check the Function group is in ON condition. -Check the next available pump for its Priming -Check the pumps Discharge valve is in closed and selected for remote operation * * * OPERATION Responsibility FieldCCR -Second pump will come into service automatically if HIGH FLOW (3312 M3/hr) is ACTIVE. -Start the Pump through Drive level if Function group is in stop mode. * * COMPLETION Responsibility FieldCCR -In local check motor amperage, any abnormal noise, Vibration, any oil leaks etc. -Observe the rate of raise of motor winding temperatures and bearing temperatures.-Check the Blending chamber level and function of the LCV -Start recording the relevant parameters. * * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 121 of 249 TITLE: PRODUCT WATER TREATMENT SOPNoPWTP - 0018 ACTIVITY Stopping of Second Treated Water Pump REFERENCE Drawing No:80359/155/0006 Sheet 2. RESPONSIBILITY CCR Operator COMMUNICATION Inform to Local Supervisor PRELIMINARY CHECKS Responsibility FieldCCR -Check the function group is in ON condition. -Check the Pump discharge valve for remote operation. * * OPERATION Responsibility FieldCCR -Second pump will stop automatically if HIGH FLOW (2592M 3/hr) NOT ACTIVE * COMPLETION Responsibility FieldCCR -At local check whether the discharge valve closed fully, any passing through NRV, reverse rotation of impeller. * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 122 of 249 TITLE: PRODUCT WATER TREATMENT SOPNoPWTP - 0019 ACTIVITY To Switch ON The F.G Of Treated Water Pump. REFERENCE Drawing No:80359/155/0006 Sheet 2. RESPONSIBILITY CCR Operator / Local Operator COMMUNICATION Inform to Local Supervisor. PRELIMINARY CHECKS Responsibility FieldCCR -F.G. Treated Water Pump should be in STOP/MANUAL mode. -B.C. Level C.V. (00TAA87/88AA051) should be selected in AUTO mode. -Pumps Suction header and discharge header interconnection valves (00TAA82/86AA001) are in open condition. -At least two pumps are available for operation. * * * * OPERATION Responsibility FieldCCR -Set the pump selector to the running pump.-Give ON command to F.G. Treated Water Pump (00TAY00EA100) Pump which is selected on the preselector will be in service. * * COMPLETION Responsibility FieldCCR -ON Feedback with last step 002 will persist on F.G. -Check at local for normal running of the pump. * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 123 of 249 TITLE: PRODUCT WATER TREATMENT SOPNoPWTP - 0020 ACTIVITY To Change Over The Level C.V (From 00TAA87AA051 To 00TAA88AA051 REFERENCE Drawing No:80359/155/0006 Sheet 2. RESPONSIBILITY CCR Operator / Local Operator COMMUNICATION Inform to Local Supervisor PRELIMINARY CHECKS Responsibility FieldCCR -Valve (00TAA88AA051) should be available for Operation, its upstream header valve (00TAA86AA001) should be open and its downstream header valve (00TAA89AA001) and Reservoir 3 or 4 inlet valve (00TAA92/93AA001) should be open OR Reservoir 1 or 2inlet valve (00TAA90/91AA001) should be open.-Instrument air supply to thecontrol valve should be available. (To be checked at local). * * OPERATION Responsibility FieldCCR -F.G. Treated Water Pumps should be taken into STOP/MANUAL mode. -The valve (00TAA87AA051), which is in service, should be taken into manual mode. -Open valve (00TAA88AA051) and Close (00TAA87AA051), Slowly until valve (00TAA87AA051) is fully closed ensuring no wide fluctuation in Blending Chambers level -When 00TAA88AA051 is about 15% open, Set the valve selector to 2. -Select the valve (TAA88AA051) on auto mode. -Give ON command to F.G. Treated Water Pumps. * * * * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 124 of 249 COMPLETION Responsibility FieldCCR -Keep Watch on the function of LCV for any abnormal swings. * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 125 of 249 TITLE: PRODUCT WATER TREATMENT SOPNoPWTP - 0021 ACTIVITYPlacing One Line In Service REFERENCE Drawing No:80359/155/0602 Sheet 1,3,4,5,6,7 & 8. RESPONSIBILITY Local Supervisor, CCR Operator & Local Operator. COMMUNICATIONInform CCR Supervisor & MSFE Supervisor. PRELIMINARY CHECKS Responsibility FieldCCR -Check both distillate inlet header (00TAA10BR002/003) from MSFE are available and header isolation valves (00TAA10AA001/002/003) should be open. -If only one header is available, than open the intercepting manual valves(00TAA11AA002/003).-Motorized valves (00TAA11AA005/009) should be open. -CO2 absorbers outlet interconnecting valve(00TAA30AA001) should be closed. -CO2 Degassifiers inlet interconnecting valve(00TAA71AA003) should be closed. -Decide the line (i.e. line1 /2), to be taken into service. -All control valve upstream and downstream manual isolation valve (00TAA20AA001/002, 00TAA30AA002/003, 00TAA23AA001/002, 00TAA26AA003/004, 00TAA14AA001/003) should be in open condition. -All control valve bypass valve (00TAA20AA003, 00TAA30AA004, 00TAA23AA003, 00TAA26AA005 and 00TAA14AA005) should be in closed condition. -Instrument Air Supply should be available to all control valves. -Lime Stone Filters should be available. -Booster pump, CO2 Absorber and CO2 Degassifier / Blending * * * * * * * * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 126 of 249 Chamber of the corresponding line should beavailable.-Ensure CO2 line is through up to Activated Carbon Filter (00TAC10AA001/002/003, 00TAC11AA001/002/003, 00TAC12/13AA001 should be open) * * OPERATION Responsibility FieldCCR -Give ON command on LINE SELECTOR of the line to be taken into service. -Select all control valves (00TAA20/30/23/26/14AA051) on Manual mode. -Two Lime Stone Filters can be lined up manual, by opening its distillate inlet and outlet valve (00TAG**AA001/002). -Distillate Bypass (60%) Control Valve (00TAA20AA051) opened 10% initially to retain distillate from Evaporator. Control valve (00TAA20AA051) can begradually opened and pressure should be maintained around 3 Bar.-Open the degassifier inlet valve (00TAA70AA001). -Now 40% line is lined up, by slowly opening the PCV(00TAA30AA051) and FCV (00TAA23AA051).Main distillate header pressure to be maintained around 3 Bar.-CO2 degassifier (fans) may be started. -CONTROL VALVES 00TAA20AA051, 00TAA30AA051 (S.P. 2.4 BAR) and 00TAA23AA051 may be put on auto mode. -Further Lime Stone Filters may be taken into service viathe Qty Required remote control function. -Now CO2 may be retained and absorber may be takeninto service, immediately one Booster pump to be started. -Chemical dosing system (Chlorine and Na2CO3) is to be started. -Analyzer sampling pump is to bestarted if not in service. * * * * * * * * * * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 127 of 249 COMPLETION Responsibility FieldCCR -Distillate inlet pressure should be maintained around 3 Bar. -Get the chemical values from Lab and compare with on line analyzer values. -When the Potable water quality is confirmed with lab Start Transfer pump -WITH TWO EVAPORATORS OPERATION, THE SAME PROCEDURE SHOULD BE FOLLOWED FOR THE OTHER LINE. * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 128 of 249 TITLE: PRODUCT WATER TREATMENT SOPNoPWTP - 0022 ACTIVITYTo Take Out Of Service One Line. REFERENCE Drawing No:80359/155/0602 Sheet 1,3,4,5,6,7 & 8. RESPONSIBILITYLocal Supervisor, CCR Operator & Local Operator. COMMUNICATIONInform to CCR Supervisor. PRELIMINARY CHECKS Responsibility FieldCCR -Confirm with the MSFE the time of Distillate reduction. * OPERATION Responsibility FieldCCR -Based on the calculation (Chart POS MIMIC PWT 611) start cutting out Lime stone filters from the line whichis going to be taken out of service. -Slowly transfer the load of CO2 absorber to one that is going to be in service. -Cut out the Degassifier of that line when the flow is min-1, 1850 mm).-Oil level in pump bearing is normal -Lube oil tank level is normal. -CCCW system should be available. -Cooler inlet & outlet valve (00PGF**AA001) should be open -Pump should be primed.(Open Suction and Discharge Vent and partially opening the Suction Valve, after priming close both vent valve and fully open the Suction valve).-Suction valve (00TBA15/16/17/18AA001) open and remote -Discharge valve (00TBA23/22/21/20AA002) close and remote. -Ensure that at least one Surge vessel is lined up. -EPB in released condition * * * * * * * * * * OPERATION Responsibility FieldCCR All permissive for the pump startup are healthy and no protection is active. POS-MIMIC PWF 11. -Pump Suction valve (00TBA15/16/17/18AA001) should be open. * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 138 of 249 oForwarding line to Distribution System Pressure should be >min1. Pump Suction way should be available oPump Luboil tank level >min 1. oPump Scoop tube control should be in manual and closed. -Stabilize Potable water system and build up level in CCCWS over head tanks if there is no sufficient level.POS-MIMIC PWF 31 -Start the CCCW pump and stabilize the system.-F.G. Forwarding System should be in STOP/MANUAL mode. -Master flow control S.P. should be set at 500M3/hr.(During initial Start-up, i.e. without any Doha flow) -Give ON command to start the pump through Pump Function Group. (POS-MIMIC PWF 11) -During startup sequence check the following. oLube oil pressure should be > min 1 oScoop tube control should change to auto oDischarge valve (00TBA23/22/21/20AA002) should open within 60 seconds * * * * * * * * * * COMPLETION Responsibility FieldCCR -In local check motor amperage, any abnormal noise, Vibration, any oil leaks or any abnormal conditions, etc.-Gradually increase the Master flow Set Point (POS-MIMIC PWF 11) according to the requirement. -Observe the rate of raise of motor winding temperatures and bearing temperatures. -Once the pump got started and stabilized start recording relevant parameters. * * * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 139 of 249 TITLE: PRODUCT WATER FORWARDING SOPNoPWFP - 0002 ACTIVITY To Switch ON the Function Group Forwarding System (during ONE PUMP Operation) REFERENCE Drawing No:80359/160/0006 Sheet 2. RESPONSIBILITYCCR Operator COMMUNICATIONInform Local Supervisor PRELIMINARY CHECKS Responsibility FieldCCR -Function Group Forwarding System should be in STOP/MANUALMODE -At least one more pump is available for stand by operation * * OPERATION Responsibility FieldCCR -Select ONE PUMP operation on Pre selector if only one pump is in operation or TWO PUMP if two pumps are running. -Select the pump, which is in service on the Pumps PRESELECTOR.-Give ON command on Function Group (POS-MIMIC PWF 11) Forwarding System * * * COMPLETION Responsibility FieldCCR -ON Feedback with last step 002 will persist on Function Group. * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 140 of 249 TITLE: PRODUCT WATER FORWARDING SOPNoPWFP - 0003 ACTIVITY To Start A Forwarding Pump Through Function Group. REFERENCE Drawing No:80359/160/0006 Sheet 2. RESPONSIBILITY Supervisor / CCR Operator / Local Operator COMMUNICATION Inform CCR Supervisor PRELIMINARY CHECKS Responsibility FieldCCR -Same as Pump startup procedure. OPERATION Responsibility FieldCCR -Select ONE PUMP operation on Pre selector POS-MIMIC PWF 11. -Set the Master flow controller to 500 m3/hr -Select the pump to be started on the PRESELECTOR forwarding pump. -Give ON command in the Function Group Forwarding System.-Observe the Followings: oIndividual pump Function Group getting ON. oLube oil pressure got stabilized and >min1 status. oScoop tube controller set to Auto oScoop tube opening oPump discharge valve opening to full with in 60 seconds oFlow establishment through the pump * * * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 141 of 249 COMPLETION Responsibility FieldCCR -Check for any abnormality -Start recoding the relevant parameters. -If second pump is also to be put in service, (when flow requirement is >3200 m3/hr) select TWO Pumps operation in the Function Group. Next pump in sequence will come into service automatically. * * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 142 of 249 TITLE: PRODUCT WATER FORWARDING SOPNoPWFP - 0004 ACTIVITY To Stop A Forwarding Pump Through Pump Function Group. REFERENCE Drawing No:80359/160/0006 Sheet 2. RESPONSIBILITY Local Supervisor / CCR Operator / Local Operator COMMUNICATION Inform CCR Supervisor PRELIMINARY CHECKS Responsibility FieldCCR -Reduce the Master Flow Control Set Point gradually up to 500m3/hr if only one pump is in service / up to 3000M3/hr if two pumps are in service * OPERATION Responsibility FieldCCR -Select ONE PUMP Operation through the selector to stop one pump if two pumps are running -Switch OFF the Function Group if only one pump is running. -During run down phase observe oGradual decrease of Scoop tube out put to zero and pumps speed reduction. oScoop tube out put is set to Manual oDischarge valve got closed fully and motor power supply got switched off oIn case discharge valve is not closing fully, select the valve on local mode and give close command at local. * * * * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 143 of 249 COMPLETION Responsibility FieldCCR -At local check whether the discharge valve closed fully, any passing through NRV, reverse rotation of impeller etc. * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 144 of 249 TITLE: PRODUCT WATER FORWARDING SOPNoPWFP - 0005 ACTIVITY To Change Over Forwarding Pump REFERENCE Drawing No:80359/160/0006 Sheet 2. RESPONSIBILITY Supervisor / CCR Operator / Local Operator. COMMUNICATION Inform CCR Supervisor PRELIMINARY CHECKS Responsibility FieldCCR -Same as pump start up procedure OPERATION Responsibility FieldCCR -Check the Pumps in service and if matches with the Philosophy, Select the Pump to be taken into service for operation through Function Group. -Observe the corresponding pump get started and the other pump got stopped. -If pump to be started is not as per Philosophy, then with the Master function group in STOP MODE, Start the required Pump through its individual Function Group and stop the other pump through its individual Function Group. -Before Switching the Master Function Group ON ensure that pump selection is on one of the Running Pumps. * * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 145 of 249 COMPLETION Responsibility FieldCCR -In local check motor amperage, any abnormal noise, any oil leaks etc. -Observe the rate of raise of motor winding temperatures and bearing temperatures. * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 146 of 249 TITLE: POTABLE WATER SYSTEM SOPNoPWFP - 0006 ACTIVITYTo Start a Potable Water Pump REFERENCE Drawing No:80359/182/0006 Sheet 1. RESPONSIBILITY CCR Operator /Area Operator COMMUNICATION Inform Local Supervisor PRELIMINARY CHECKS Responsibility FieldCCR -Oil level in pump bearing is normal -Pump should be in primed condition, if not its discharge vent (00TKA23/24/25AA701) should be opened and its suction valve (00TKA20/21/22AA001) should be gradually opened to release the entrapped air. -Suction valve (00TKA20/21/22AA001) open and remote -Discharge valve (00TKA23/24/25AA002) close and remote -Suction pressures should be greater than 100 mbar. -EPB in released condition -All permissive for the pump startup are healthy and no protection is activePOS-MIMIC PWF 21. *

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* * OPERATION Responsibility FieldCCR -Function Group should be in STOP/MANUAL mode. -Give ON command at drive level to start the Pump. (PWF 21)-During startup check the Discharge valve (00TKA23/24/25AA002), it should open within 30 seconds. * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 147 of 249 COMPLETION Responsibility FieldCCR -At local check any abnormal noise, any oil leakage etc -Check the motor amperage at module -If the next pump is available put the Function Group ON. * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 148 of 249 TITLE: POTABLE WATER SYSTEM SOPNoPWFP - 0007 ACTIVITY To change over Potable Water Pump through Function Group. REFERENCE Drawing No:80359/182/0006 Sheet 1. RESPONSIBILITY CCR Operator COMMUNICATION Inform to Local Supervisor PRELIMINARY CHECKS Responsibility FieldCCR -Same as above. OPERATION Responsibility FieldCCR -Select the pump to be started on PRESELECTOR. oThe other pump will stop automatically * COMPLETION Responsibility FieldCCR -At local check any abnormal noise, any oil leakage etc. -Check the motor amperage at module. * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 149 of 249 TITLE: CLOSE CIRCUIT COOLING WATER SYSTEM SOPNoPWFP - 0008 ACTIVITY To Start a Closed Circuit Cooling Water Pump REFERENCE Drawing No:80359/160/0006 Sheet 2. RESPONSIBILITY CCR Operator /Area Operator COMMUNICATION Inform Local Supervisor PRELIMINARY CHECKS Responsibility FieldCCR -Oil level in pump bearing is normal -Pump should be primed condition, if not its suction vent (00PGF21/22/23AA701) and discharge vent (00PGF24/25/26AA701) should be opened and suction valve (00PGF21/22/23AA001) should be gradually opened to release the entrapped air. -Both Suction (00PGF21/22/23AA001) and Discharge valve (00PGF24/25/26AA001) open feedback signal should persist. - Makeup tank level should > min 3 (700mm) -System should be lined up with Heat exchanger and Forwarding pump.-EPB should be in released condition -Function Group should be in STOP/MANUAL mode. -Ensure at least Two pumps available for operation one for duty and the other for stand by. * * * * * * *

* * OPERATION Responsibility FieldCCR -Decide which pump is to be put in to service, select it in the pump preselector and put the Function Group in ON condition, the said pump will start. * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 150 of 249 -Ensure that discharge flow got established and >max2 appears. COMPLETION Responsibility FieldCCR -At local check any abnormal noise, any oil leakage etc.-Check the motor amperage at module. * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 151 of 249 TITLE: CLOSE CICUIT COOLING WATER SYSTEM SOPNoPWFP - 0009 ACTIVITY To Change Over CCCW Pump REFERENCE Drawing No:80359/160/0006 Sheet 2. RESPONSIBILITYCCR operator / Area Operator COMMUNICATIONInform Local Supervisor PRELIMINARY CHECKS Responsibility FieldCCR -Same as above OPERATION Responsibility FieldCCR -Select the pump to be started on PRESELECTOR oThe other pump will stop automatically * COMPLETION Responsibility FieldCCR -At local check any abnormal noise, any oil leakage etc. -Check the motor amperage at module. * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 152 of 249 TITLE: PRODUCT WATER FORWARDING SOPNoPWFP - 0010 ACTIVITYTo Lineup a Heat Exchanger (00PGF24AC001) REFERENCE Drawing No:80359/160/0006 Sheet 2. RESPONSIBILITYLocal Operator COMMUNICATIONInform Local Supervisor & CCR Operator PRELIMINARY CHECKS Responsibility FieldCCR -CCCW inlet& outlet valves (00PGF24/30AA003/001)to Heat Exchanger should be open . -CCCW line should be in charged condition, if not vents in the inlet and outlet lines should be opened and to be primed. -CCCW Pump in service. -Heat Exchanger Cooling Water Return Isolation Valves (00TBA62/61AA001/002) should be open condition. * * * * OPERATION Responsibility FieldCCR -Product Water Forwarding Supply to Cooler, Isolation Valve (00TBA60AA003) should be slowly opened by keeping its vent valve open, until the line is completely primed. -Cooler Inlet isolation valve (00TBA60AA001) should be slowly opened, by keeping its vent valve open, until the Heat Exchanger is completely primed. -Cooler Outlet isolation valve (00TBA61AA001) shouldbe slowly opened. * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 153 of 249 COMPLETION Responsibility FieldCCR -Check CCC WATER Flow, it should be > Max 2. -Cooler Outlet pressure should be checked. -CCC WATER inlet & outlet temperatures should be monitored. * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 154 of 249 TITLE: PRODUCT WATER FORWARDING SOPNoPWFP - 0011 ACTIVITY To Change Over Heat Exchanger (From 00PGF24AC001 To 00PGF26AC001) REFERENCE Drawing No:80359/160/0006 Sheet 2. RESPONSIBILITYLocal Operator COMMUNICATIONLocal Supervisor & CCR Operator. PRELIMINARY CHECKS Responsibility FieldCCR -Heat Exchanger Cooling Water Return Isolation Valves (00TBA52/51AA001/002) should be in Open condition. * OPERATION Responsibility FieldCCR -Product Water Forwarding Supply to Cooler, Isolation Valve (00TBA50AA003) should be slowly opened by keeping its vent valve open, until the line is completely primed. -Cooler Inlet Isolation valve (00TBA50AA001) should be slowly opened, by keeping its vent valve open, until theHeat Exchanger is completely primed. -Cooler Outlet Isolation valve (00TBA51AA001) should be slowly opened. -CCCW inlet & outlet valve (00PGF26/40AA003/001) should be opened slowly. -Check the CCC WATER flow through Heat Exchanger (00PGF26AC001), it should be > Max 2. -Close CCCW inlet & outlet valve (00PGF24/30AA003/001) of Heat Exchanger (00PGF24AC001). -Close Product Water Forwarding Supply to Cooler Isolation Valve * * * * * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 155 of 249 (00TBA60AA003). -Cooler Inlet & Outlet Isolation valve(00TBA60/61AA001) should be closed. * COMPLETION Responsibility FieldCCR -Check the Cooler (00PGF26AC001) outlet pressure. -CCC WATER inlet & outlet temperature should be monitored. * * * * Q.E.W.C Effective1st Nov. 2001 Issued Date RevisionMay 2003 Issued ByProduction/Operation Page 156 of 249 TITLE: PRODUCT WATER FORWARDING SOPNoPWFP - 0012 ACTIVITY To Lineup A Surge Vessel REFERENCE Drawing No:80359/160/0006 Sheet 3. RESPONSIBILITYCCR Operator / Local Operator COMMUNICATIONInform Local Supervisor PRELIMINARY CHECKS Responsibility FieldCCR -Ensure the availability of Service air and Instrument air. -Ensure the availability of Forwarding water in the Discharge header. -Keep Drain isolation valve(00TBA**AA401) in closed condition. -Keep the Vessel Pressure gauge (00TBA**CP510) vent in open condition. -Keep the service air line isolation valves in closed condition. (00TBA**AA010/012). -Keep the re-circulation line isolation valves in closed condition. (00TBA**AA050