4c product tanker simulator training course - · pdf filetable a-ii/2.11 plan and ensure safe...

Tanker Officer Training Standards (TOTS)

4C Product Tanker Simulator Training Course


CONTENTS

Prerequisites..............................................................................................................................................................................1TOTS Reference....................................................................................................................................................................1STCW 95 Reference............................................................................................................................................................1Exercise Descriptions.......................................................................................................................................................2Physical Realism....................................................................................................................................................................2Behavioural Realism..........................................................................................................................................................2Operating Environment...................................................................................................................................................2Simulator Facility...................................................................................................................................................................3

SimulatorExercisesExercise 1. Simulatorandshipfamiliarisation...........................................................................................4Exercise 2. StartInertGasPlantandCommencePrimaryInerting.........................................5Exercise 3a. CompletionofPrimaryInertingbyDilution......................................................................6Exercise 3b. CompletionofPrimaryInertingbyDisplacement.......................................................8Exercise 4. CargoPlanningPriortoLoading.............................................................................................10Exercise 5. CommenceLoading...........................................................................................................................12Exercise 6. CompleteLoading................................................................................................................................13Exercise 7. LoadedPassage....................................................................................................................................14Exercise 8. PlanDischarge........................................................................................................................................14Exercise 9. CommenceDischargeofOneParcel..................................................................................15Exercise 10. CompleteDischargeandBallastingOperations.........................................................16Exercise 11. WaterWashCargoTanks...............................................................................................................17Exercise 12. StartTakingHeavyWeatherBallastinCargoTanks...............................................18Exercise 13. EmergencyWaterWashofBothSlopTankswithoutIG......................................19Exercise 14. DecantingSlopsafterWashingandBallasting...........................................................20Exercise 15. GasfreeCargoTankPriortoEntryforInspection....................................................21

Appendix I CargoStowagePlan–Afterfirstloadport....................................................................22


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©INTERTANKO2008

DisclaimerWhilsteveryefforthasbeenmadetoensurethattheinformationcontainedinthispublicationiscorrect,neithertheauthorsnorINTERTANKOcanacceptanyresponsibilityforanyerrors

oromissionsoranyconsequencesresultingtherefrom.

Norelianceshouldbeplacedontheinformationcontainedinthispublicationwithoutindependentverification.

INTERTANKO (TOTS) — 4C Product Tanker Simulator Training Course 1



Prerequisites Itisintendedthatbythetimecandidatesaregiventhistankersimulatortraining,theywillhaveexperiencedseatimeonsimilartankersandhavetakenpartinthesimilarexercisestothosesimulatedhere.Thisencounterwithsimulatedexercisesshouldnotbetheirfirstexperienceofsuchoperations.

Itisintendedthatthesimulatorusedforthistrainingwillenabledemonstrationofthefollowingcompetencies:

TOTS Reference CompetenceTOTS4C Traininginproducttankeroperations

STCW 95 Reference CompetenceTableA-II/1.9 Monitortheloading,stowage,securing,careduringthevoyageand

unloadingofcargoes

TableA-II/3.6 MaintainseaworthinessoftheshipTableA-II/3.8TableA-III/1.11

TableA-II/2.11 Planandensuresafeloading,stowage,securing,careduringvoyageandunloadingofcargoes

TableA-II/12.2 CarriageofdangerouscargoesTableA-II/2.13 Controltrim,stabilityandstressTableA-III/12.12

TableA-II/2.14 MonitorandcontrolcompliancewithlegislativeTableA-III/2.13 requirementsandmeasurestoensuresafetyoflifeatseaand

protectionofthemarineenvironmentSectionA-V/1.19 Shipoperations(producttanker)SectionA-V/1.21 Emergencyoperations(producttanker)

Forinstructor,supervisorandassessorqualificationsseeSTCW95RegulationI/6,SectionA-I/6paragraph3andA-I/12paragraphs6to9.

INTERTANKO (TOTS) — 4C Product Tanker Simulator Training Course2

Exercise DescriptionsWhatfollowsbywayofexercisedescriptionshasbeenwrittenintheformofstudents’objectives.Inordertopreventmultipleduplications,thenotesmayalsoformguidanceforinstructors.

Physical Realism IMO Model Course 1.04 Part D Appendix 9Thesimulatorusedshouldfulfilthefollowingminimumrequirements:

• Itwillsimulateatypicalcargohandlingsystemfoundonachemicaltankerbasedonrealoperationalvessels.

• Theequipmentisarrangedinashiplikemanner.

Thesimulatorincludesthefollowingcomponentsandsubsystems:

• Cargocontrolsystem• Ballastcontrolsystem• Tankcleaningsystem• Overboarddischargeandmonitoringsystems• Tankcontentmonitoringsystems• Inert/ventingcontrolsystemincludingsparging,gasfreeing,purgingandaerating.• Tankatmospherecontrolsystem• Alarmsystem• Communicationsystem• Cargopumpingsystem• Asystemforcommunicatingwith‘theoutsideworld’• Astabilityandstresscalculator.

Additionalresources: Ship/shorechecklist Tankwashingchecklist NLSCargorecordbookextracts Logsheets OilCargoRecordBookExtracts EntryPermit

Behavioural Realism IMO Model Course 1.04 Part D Appendix 9Thesimulatormodelreplicatesthedynamicbehaviourofthecargohandlingsystemanditsparameters.Furthermore,thesimulatormodelsimulatesthecomponents,theirprocessesandcontrolsystems.Itwillbepossibletointroducefailures,breakdownsandweartoallequipmentsimulated.

Operating Environment IMO Model Course 1.04 Part D Appendix 9Thesimulatorwillsimulaterestrictionsandfailuresinthecargotransfer,forinstance,introducedbythesimulatedshoreterminal.Alarmswillbeannouncedbyflashingalarmlampsandsoundinthe‘cargocontrolroom’.


Simulator FacilityTheseexerciseshavebeenwrittentakingintoaccountthevarietyofsimulatorswhichmaybeusedtofacilitatethem.Asfewspecificfeaturesaspossiblehavebeenfeatured,soastoincreasetheadaptabilityoftheexercisestothevarioussimulatorsavailable.

Thetankerinthispackageisdoublehulled,has6pairsofwingtanksandapairofsloptanks.Thereare3manifolds,4cargopumpsand2ballastpumps.Theballasttankarrangementhasnotbeenspecifiedandneitherhastheventingsystem.Itisassumedthetankerhasacargopumproomandassociatednetworkofpipelines.

Itissuggestedthattheindividualtrainingfacilitiesselectthreegradesofcargotoillustratehowspecificphysicalorchemicalpropertiesmayinfluencethehandlingandcarriageofpetroleumproducts.

However,thesimulatorshouldhaveitsownCargoOperationsManualwhichwillbeusedduringthetraining.

Simulator ExercisesExercise 1. Simulatorandshipfamiliarisation

Exercise 2. StartInertGasPlantandCommencePrimaryInerting

Exercise 3a. CompletionofPrimaryInertingbyDilution

Exercise 3b. CompletionofPrimaryInertingbyDisplacement

Exercise 4. CargoPlanningPriortoLoading

Exercise 5. CommenceLoading

Exercise 6. CompleteLoading

Exercise 7. LoadedPassage

Exercise 8. PlanDischarge

Exercise 9. CommenceDischargeofOneParcel

Exercise 10. CompleteDischargeandBallastingOperations

Exercise 11. WaterWashCargoTanks

Exercise 12. StartTakingHeavyWeatherBallastinCargoTanks

Exercise 13. EmergencyWaterWashofBothSlopTankswithoutIG

Exercise 14. DecantingSlopsafterWashingandBallasting

Exercise 15. GasfreeCargoTankPriortoEntryforInspection

Appendix I CargoStowagePlan–Afterfirstloadport

Exercise 1. Simulatorandshipfamiliarisation

Exercise 2. StartInertGasPlantandCommencePrimaryInerting

Exercise 3a. CompletionofPrimaryInertingbyDilution

Exercise 3b. CompletionofPrimaryInertingbyDisplacement

Exercise 4. CargoPlanningPriortoLoading

Exercise 5. CommenceLoading

Exercise 6. CompleteLoading

Exercise 7. LoadedPassage

Exercise 8. PlanDischarge

Exercise 9. CommenceDischargeofOneParcel

Exercise 10. CompleteDischargeandBallastingOperations

Exercise 11. WaterWashCargoTanks

Exercise 12. StartTakingHeavyWeatherBallastinCargoTanks

Exercise 13. EmergencyWaterWashofBothSlopTankswithoutIG

Exercise 14. DecantingSlopsafterWashingandBallasting

Exercise 15. GasfreeCargoTankPriortoEntryforInspection


EXERCISE 1 Simulator and Ship Familiarisation

ObjectiveThepurposeofthisexerciseistohelpyoubecomefamiliarwiththeoperationofthesimulatorandthecargosystem.Atthesametime,youwillundertakethenecessaryteststoensuretheInertGasGeneratorisfullyoperational,finishballastingtheforepeakandtesttheoperationofacargopump.

InformationThevesselhasjustdepartedfromdrydock,sothecargosystemisgasfreeandwillneedinerting.Allbunkers,freshwaterandballastareasperthenormalballastcondition,otherthentheforepeakballasttank,whichneedstoppingup.

Note:itisappreciatedthatnotallliquidcargosimulatorswillhaveexactlythesamefunctionsincorporated.Thefollowingaresuggestionsofprocedureswithwhichyouneedtobefamiliar.

1. Checkthevariousdisplaypagesofthesimulatorandfamiliariseyourselfwiththeinformationshown.WhereistheEMERGENCYSHUTDOWNbutton?

2. Changepagesandoperatevalves.

3. FindthepagesdealingwiththeBALLASTSYSTEM.

4. Opentheappropriateseasuctionvalve,openappropriateballastlinevalves,startaballastpump,openthepumpdischargevalveandstarttoppinguptheFOREPEAKtank.Thisoperationwillprovideagoodopportunityforbestpracticeofpumpandlineoperationtobeobserved.

5. FamiliariseyourselfwiththeALARMPANELpage.

6. FamiliariseyourselfwiththeGASDETECTIONfacility.

7. Whilethevesselhasbeenindrydock,manypartsoftheInertGasplanthavebeenopenedupforrepairandmaintenance.TheboilershavealreadybeenflashedupandthenexttasksaretorestoretheIGSystemtosafety,startuptheplantandtestitsinterlocksandshutdownspriortouse.Thisoperationalsoprovidesagoodopportunitytotestthecommunicationssystemswiththeengineroom.

8. Dependingonthesimulatorbeingused,thevariouspartsoftheInertGasSystemcanbechecked,suchas:

• Thesealpumptothescrubbingtower • Thedeckseal • Thescrubbingtowerlevel • Theautomaticshutdownindicator • Theinterlocktothescrubbingtowercoolingwaterpump • Calibratingthefixedoxygenanalyser • Automaticshutdownandresettingthetripfacility • Theatmosphericvent • Thedeckmainisolatingvalves • Thefluegasisolatingvalvesealingarrangements • Theinertgaslinepressuregauges

9. Aswellasthefixedgasdetectingsystem,donotforgetthestandardpracticeofutilisingportablegasdetectors,whererequired.

10. StarttheInertGasSystemaspertheoperatingmanualandchecktheAUTOMATICSHUTDOWNfacility.

11. Donotforgettomonitortheballastingoftheforepeaktank.

12. Inordertofamiliariseyourselfwiththecargosystem,itissuggestedtowaterflushthecargolinesystem.Seawatercanbetakenfromaseasuctionanddepositedinasloptank.Whenappropriate,theflushcancontinuebyre-circulatingseawaterfromthechosensloptank.Testtheeductors,whilstexecutingthisoperation.

13. Whilstsendingseawateraroundthecargosystem,taketheopportunitytotesttheSTEAMsystem,byheatingthewater.


EXERCISE 2 Start inert gas plant and commence primary inerting

ObjectiveThepurposeofthisexerciseistoproduceandexecuteanoperationalprocedureforstartingtheIGplantfromanormalshutdowncondition,andthentocommenceprimaryinertingthecargotanksincludingresidueandsloptanks,usingEITHERadilutionORdisplacementmethod.

Information1. Onthisvessel,primaryinertingcanbeachievedbyusingeitherthedilution(mixing)method,orthe

displacement(layer)method.

2. InertgascanbeventedfromthecargotanksviaeithertheIGinletstothemastriser,thecargolines,purgepipes,ortheshortstandpipesondeck,thelattertwooptionsbeingactivatedbyinsertingtheappropriatespoolpieces.

3. NotetheP/Vvalvepressureandvacuumsettingonyoursimulatormodel.NotealsotheIGblowercapacities.

4. Thevesselhasjustleftdrydockandisonpassagetotheloadingport.Notetheforwardandaftdraftofthevessel.Thefirstloadingportisfivedayssteamingaway.

5. Theseatemperatureandairtemperatureshouldbenotedandanymajorcontrastconsidered.

6. Allportableinstrumentshavebeencheckedandcalibrated.

7. TheIGsystemissetforsafety,i.e.thewaterpumpservingthescrubbersealanddecksealisON.Inaddition,thescrubbercoolingwaterpumphasbeenswitchedONandthescrubbertowerhasbeenflushedforatleastfifteenminutes.Allothertestsandchecksontheplanthavebeencompleted.

Competence Requirements1. Identifyanddescribeanunderstandingofthetwomethodsofprimaryinerting,dilutionordisplacement.

2. Identifytherelativedensityofthegasesinvolvedintheinertingoperation.

3. Ifdilutionmethodischosen,statehowmanytankswillinitiallybeopenedandtheexpecteddurationoftheoperation.

4. Ifdisplacementischosen,statestheminimumnumberoftankstobeinertedatanyonetime.

5. StateifthemainGasRegulatingValveshouldbeusedinAUTOorMANUALforthisoperation.

6. Identifyandapplyappropriatemonitoringrequirementsduringtheinertingprocedure.

7. Statewhatchecksonthesystemwillbemadeduringthisoperation.

8. Statethemaximumpermittedoxygenconcentrationintheinertgasbeingdeliveredtothecargosystem.

9. Statethemaximumpermittedoxygenconcentrationintheinertgasinsidetheindividualcargotanksinorderforthetanktobeconsideredinert.

10. Stateatypicalchemicalcompositionofinertgasfromaboileruptake.

11. Identifyappropriatesamplingpositionsintanksforusewithportablegasanalysingequipment.

12. Identifyappropriatepressurestowhichthegasmainmayberaised.

13. Statethehazardsofinertingafteraninertgasplantbreakdown.


EXERCISE 3a Completion of primary inerting by dilution

ObjectiveThepurposeofthisexerciseistocompletetheprimaryinertingofthecargoandsloptanksusingthedilutionmethod.Acargotankoxygenlevelreadinglogshouldbemaintained.Uponcompletionoftheoperation,thesystemshouldbepressurisedandtheIGsystemshutdowninasafemanner.

Information1. TheIGsystemisinoperationwithoneblowerandtheGasRegulatingValvein‘manual’mode.

2. Thelastsetofcargotanks,6Pand6Sarecurrentlybeinginerted,inviathedeckdistributionsystemandoutviathestandpipes.AllothertanksexceptthesloptankshavebeencompletedbutnotcheckedorpressurisedandarecurrentlyisolatedfromtheIGsystem.

3. Checkyourcompany’sInertGasOperatingManual;

Whatisthemaximumoxygencontentpermittedinthecargotankspriortoloadingcargo?

Ensuretheoxygenreadingstakenarerecorded.

Establishtheminimumpermittedpressureontheinertedsystemunderallconditionsofoperation.

4. Assessthelistofreadings(appended)suppliedbyanexperiencedandreliablememberofthedeckwatch.Thesereadingsweretakeninthelasthour.

5. Allportablegasdetectinginstrumentshavebeencheckedandcalibrated.

6. Thevesselisnowwithin72hoursoftheloadport.

Competence Requirements1. Statewhatconditionshavetobesatisfiedbeforeprimaryinertinghasbeencompletedsuccessfully.

2. Statewhatwillbethefinalstatusoftheinertgasplantanddistributionsystem.

3. Statewhatcheckswillbemadeonthesystemafterfinalshutdown.

4. Shutdowntheinertgasplantuponcompletionoftheoperation.

• Describeasafelyshutdownplant • Shutdowntheplant • Waterflushthefluegasscrubber • Flushtheoverboardvalvesandlines • Describepostshutdownmaintenance • Describeblowerflushingandinternalinspection • Settheplantforsafety • Ensurethewatersupplyisrunningandthealarmsareinorder • Incorporatetheroutinetestingofinterlocksduringshutdown.


OXYGEN READING REPORT

SlopP Top 20.81% SlopS Top 20.81%Middle 20.81% Middle 20.81%Bottom 20.81% Bottom 20.81%

6S Top 6.51% 6P Top 6.36%Middle 6.49% Middle 6.38%Bottom 6.52% Bottom 6.41%







EXERCISE 3b Completion of primary inerting by displacement

ObjectiveThepurposeofthisexerciseistocompletetheprimaryinertingofthecargoandsloptanksusingthedisplacementmethod.Acargotankoxygenlevelreadinglogshouldbemaintained.Uponcompletionoftheoperation,thesystemshouldbepressurisedandtheIGsystemshutdowninasafemanner.

Information1. TheIGsystemisinoperationwithoneblowerandtheGasRegulationValvein‘manual’mode.

2. Thelastsetoftanks2P,2S,3P,3S,5Pand5Sarecurrentlybeinginerted,inviathebottomcargolinesandoutviathedeckstandpipes.AllothertankshavebeencompletedbutnotcheckedorpressurisedandarecurrentlyisolatedfromtheIGsystem.

3. Checkyourcompany’sInertGasOperatingManual;

Whatisthemaximumoxygencontentpermittedinthecargotankspriortoloadingcargo?

Ensuretheoxygenreadingstakenarerecorded.

Establishtheminimumpermittedpressureontheinertedsystemunderallconditionsofoperation.

4. Assessthelistofreadings(appended)suppliedbyanexperiencedandreliablememberofthedeckwatch.Thesereadingsweretakeninthelasthour.

5. Allportablegasdetectinginstrumentshavebeencheckedandcalibrated.

6. Thevesselisnowwithin72hoursoftheloadport.

Competence Requirements1. Statewhatconditionshavetobesatisfiedbeforeprimaryinertinghasbeencompletedsuccessfully.

2. Statewhatwillbethefinalstatusoftheinertgasplantanddistributionsystem.

3. Statewhatcheckswillbemadeonthesystemafterfinalshutdown.

4. Shutdowntheinertgasplantuponcompletionoftheoperation.

• Describeasafelyshutdownplant • Shutdowntheplant • Waterflushthefluegasscrubber • Flushtheoverboardvalvesandlines • Describepostshutdownmaintenance • Describeblowerflushingandinternalinspection • Settheplantforsafety • Ensurethewatersupplyisrunningandthealarmsareinorder • Incorporatetheroutinetestingofinterlocksduringshutdown.


OXYGEN READING REPORT

SlopP Top 2.95% SlopS Top 3.05%Middle 2.94% Middle 3.06%Bottom 2.96% Bottom 3.05%








EXERCISE 4 Cargo Planning Prior to Loading

ObjectiveToprepareacargoplanandoperationalprocedure,includingallsafetyandpollutionpreventionprecautions,fortheloadingofthreeproducts.

Information1. Thevesselhasinertedthecargosystemandisproceedingtowardthenextloadport.

2. Cargoordershavebeenreceivedsoaloadingplanneedstobedrawnup.

Maximumcargoincorporatingthreegradesistobeloaded.

Thethreegradesare:

Grade1 Note Density Temperature Quantity



3. Thecargosystemcanloadthethreegradessimultaneously,thoughtheGrade2istobethegradewhichcommencesloadingandthegradetobetoppedoffandcompletedfirst.

4. Grade1istobeloadedinto1P&S,4P&S,6P&Sandtheportsloptank,throughtheforwardmostmanifold.

5. Grade2istobeloadedinto2P&Sand5P&Sandthestarboardsloptank,throughtheaftmostmanifold.

6. Grade3istobeloadedinto3P&Sthroughthemiddlemanifold.

7. Planfortheloadingoperation,detailingthemanifoldsandlinestobeusedforeachgrade.De-ballastingwillberequiredconcurrentwithloadingoperations.

8. Theplanshouldalsoincorporatewhichgradewillcompletetheloadingoperation.

9. Notethemaximumloadingratesuppliedbytheterminalinrelationtothemaximumloadingratecapabilitiesofthevessel.

10. Notealsothemaximumpermittedmanifoldpressures.

11. Thecargotankventingmustbesetappropriatelytakingintoconsiderationgasevolutionfromthecargo.Avapourreturnarrangementisavailable.Afterloading,theGrade3requiressegregatedventing.

12. Ensuretheship/shorechecklistiscomplete.

13. Thedistributionandquantitiesofballast,freshwater,fuelandstoresonarrivalattheouteranchorageisasinthenormalballastcondition.

14. Beforeberthing,bunkerswillbetakenintheouteranchorage.Notehowthiswillaffectthetrim,list,longitudinalandtransversestability.


Competence Requirements1. PlanthestatusoftheIGsystemandtankventingsystemduringthisoperation.

2. Refertothevesselcargooperationsmanualfordetailsoftankgroupingandsuggestedlineup.

3. Ensurevesselstabilityandhullstressesarewithinsafelimitsatalltimesduringtheoperation.

4. RefertotheCargoOperationsManualforspecificcargohandlinginformationandwarningregardingtheeffectsoffreesurface.

5. ReadExercises6and7,notewhichwillbethecompletinggrade.

6. Inordertocreateafinishloadingexercisespecifictoyourloadingplanitislikelyauniqueexercisewillberequiredtobeprogrammedintoyoursimulator.Inordertocreatethis,dependingonthesimulatorinuse,youmayalsosupplythefollowinginformation;

• Finalloadedconditionofeachtankasapercentagefull.• Theconditionofthelast4pairsofwingtankstobetoppedoffbeforefinishingloading.This

shouldalsobesuppliedasthetankpercentagefull.Notethatyouarerequiredtotopoffallofthelast4pairsofwingtanksinthe“CompleteLoading”exercise(6).

7. Stateintheplanhowthefollowingloadingissuesmaybemonitored:

• Cargoloadingrates • Startingprocedure • Venting • Monitoringfullandemptytanks • Locationandreadinessofsafetyequipment • Locationandreadinessofpollutionequipment • Shutdownprocedures,bothroutineandemergency • Deballasting • Pumproomsegregation • Lineup • Toppingoff

8. Theplanshouldalsobeflexibleincaseofachangeinloadingsequence.


EXERCISE 5 Commence Loading

ObjectiveExecuteanoperationalprocedure,includingallsafetyandpollutionpreventionprecautions,forthestartofloadingthreegradesofpetroleumproduct.

Information1. Thevesselisberthedportsidetoalongside.

2. Allthreemanifoldshavebeenconnected.

3. Alllocalandterminalregulationsarebeingcompliedwithandtheship/shorechecklisthasbeencompletedandsignedbytherequiredstaff.

4. Theoxygencontentineachtankhasbeentestedandbeenfoundtobelessthan8%byvolumeineachcase.

5. Theinertgasplantisshutdownandsetforsafety.

Competence Requirements1. Startloadprocedure.Donotopenmanifoldvalvesuntiltheagreementofthejettyoperatorhasbeen

obtained.

2. Limitthenumberoftankstobeloadedtoonelineonetank.

3. Establishalowinitialloadingrate.

4. Checkoffshoreandisolatedmanifolds.

5. Communicatewithdeckstafftoensuresafetyandpollutionchecksarebeingmaintained.

6. Statewhenthedeballastingoperationshouldstartandcheck:

• Cleanlinessofthesurfaceofthewaterbeingdischarged • Cleanlinessofharbourwateroverboardhavingstarteddeballasting • Deballastthroughappropriateseavalve

7. Prepareanduseanactionplantodealwiththepossibilityof

• Stuckvalves • Leakingvalves • Communicationfailure • Gaugefailure

8. Describehowthefollowingstabilityissuesmaybemonitored:

• Longitudinal • Transverse • FreeSurface • Hullstresses • Bendingmomentsandsheerforces

9. Duringbulkloadingmonitor,monitorloadingratestresses

10. Adjustcargoflowfortrimandlistpurposes.

11. Monitormooringsandmaintainssecurity.


EXERCISE 6 Complete loading

ObjectiveExecuteanoperationalprocedure,includingallsafetyandpollutionpreventionprecautions,forthecompletionofloadingthreegradesofpetroleumproduct.

Information1. Thevesselisberthedportsidetoalongside.

2. De-ballastingisalmostcompleted,thoughtwoballasttanksneedtobefinished.

3. Thevesseliscurrentlyloadingthroughthetwoforwardmanifolds,theGrade2havingbeenloadedthroughtheaftmanifold,toppedoffandmanifoldclosed.

4. Thevesseliscurrentlyloadingatthemaximumtheshoreisabletosupplyandtheloadingratecanbeadjusteduptothemaximummanifoldloadingrate,ifrequired.

5. Theship’smanifoldsshouldremainopenuntiltheterminalhasagreedtheymaybeclosed.

6. Theemergencystopprocedurehasbeenagreedasfollows:

• Thejettyshouldbecontactedbyradio. • Thejettyoperatorwillthentakeappropriateactiontostopthecargoasquicklyaspossible. • Thevesselwillbeinformedwhenitissafetoclosethemanifoldvalves.

Competence Requirements1. Carefulchecksontheoperationshouldbemaintainedatalltimesincludingmanifoldpressures,flow

ratesandtankullages.

2. Statewhichtoppingoffproceduretobeused.

3. Shutthetanksinapredeterminedsequence.

4. Adjustflowratestoavoidcreatinganexcessivemanifoldpressure.

5. Monitorcompletedtanksforasteadyullage.

6. Confirmthecompletionprocedureswiththeterminal.

7. Carryoutlinedrainingtoavoidthepressureoftrappedcargo.

8. Drainthemanifoldinsuchawayastoavoidspills.


EXERCISE 7 Loaded Passage

ObjectiveMinimiselossesduetoevaporationasfaraspracticable.Monitorcargocontainment.

Information1. DiscusstankpressuremanagementandareductioninVOClosses,especiallythebenefitsinreducing

theselosses.

2. Vapoursegregationneedstobemaintainedduringtheloadedpassageasfollows:

• Grade1andGrade2vapourmayusethesameventing. • Grade3vapourshouldbesegregated.

Competence Requirements1. Cargotankullages,aswellasballastspaces,stillneedmonitoringforanyhydrocarbonleakageduring

theloadedpassage.

2. Statewhichvesselstressandstabilityistobemonitoredduringthisexercise.

3. Priortoarrivalatthedischargeport,achecklistneedstobecompleted.

4. Statehowthepressureandvacuumsettingsontheventingsystemswillaffectthisissue?

5. Monitorthecargotankpressureandtopupwithinertgasifnecessary.

6. Intheeventofcargoleakageintoaballastspace,activatetheappropriateactionplanandreportingprocedure.

EXERCISE 8 Plan discharge

ObjectiveToprepareacargoplanandoperationalprocedure,includingallsafetyandpollutionpreventionprecautions,forthedischargeofthreeproducts.

Introduction1. Dischargeoftheentirecargoistobeplannedbutithasbeenagreedthatthedischargewillcommence

withtheGrade2parcel.

PumpNo.1candischargetheGrade1.



2. Eachgradecanbedischargedsimultaneouslybutcanalsobekeptsegregatedduringthedischarge.Initially,thedischargeofonegradewillstart,followedbytheremainder.

Competence Requirements1. Aballastplanneedstobecreated.Allballastspaceswillneedtobefilledasthecargoisdischarged.

2. However,itisgoodpracticetoleaveapairofballasttanksavailableforlistandtrimpurposesduringthedischarge.

3. Oncompletionofthedischargeallcargoistobedrainedfromthepipelinesandpumpsandsentashore.


EXERCISE 9 Commence Discharge of One Parcel

ObjectiveExecuteanoperationalprocedure,includingallsafetyandpollutionpreventionprecautions,forcommencingofdischargeofonegradeofpetroleumproduct.

Information1. Followtheplanmadeinthepreviousexercise.2. Theplanhasbeendiscussedandagreedwiththeterminal.3. TheterminalrequeststhatdischargecommencewithGrade2withMCPNO.1.4. Oncethedischargeofthisparcelhasstarted,theothersmayfollowsimultaneously.5. Aship/shoresafetychecklisthasbeencompleted.6. Thevesselisportsidetoalongsideandhasallthreemanifoldsconnected.7. Theinertgasplanthasbeentestedbeforearrivalandnodefectsfound.Allcargotankshavebeen

testedforoxygenconcentrationandeachfoundtohavelessthan8%byvolume.8. Themaincargopumpshavebeenwarmingthroughforthelasthour.

Competence Requirements1. Stateandpreparethelineset-uppriortocommencingdischarge.

2. StateandpreparetheoperationalstatusoftheIGplant.

3. RefertotheCargoOperationsManualforspecificcargopumpandcargodischargeinformation.

4. Preparethecargopumpsforoperation.

5. Monitorthepumprunningconditionswithreferenceto:

• Suctionanddischargepressures • Cargotanklevel • Manifoldflow

6. Balancethepumpspeedsforcommondischargewheninparallel.

7. Monitorandcontrolsthesuctionanddischargepressures.

8. Commencethedischargeinlinewithbestpractice:

• Fillthelineandpumpgradually • Ensurethepumproomismanned • Limitthenumberoftanksopenatonetime • Startthepumponslowspeedandacceptshandoverfromtheengineer • Openthemanifoldwithterminalagreement • Directthedeckwatchtocarryoutsafetyandcounterpollutionmonitoring • Monitoractiveandclosedcargotanklevels.

9. Continuetomonitorlongitudinalandtransversestability.

10. Continuetomonitordraft,listandtrim.


EXERCISE 10 Complete discharge and ballasting operations.

ObjectiveExecuteanoperationalprocedure,includingallsafetyandpollutionpreventionprecautions,forthecompletionofdischargeofthreegradesofpetroleumproduct.ROBmustbeminimisedsothatanefficientdrainingprocedureiscompleted.

Information1. DischargeoftheGrade2parcelhasalreadycommenced,sothedischargeplanmadeearliercanbe

followedinordertoexecutethedischargeoftheremainingparcels.

2. Theinertgasplantisrunninganddeliveringinertgastothedeckasrequired.

3. RemembertochecktheoxygencontentintheGrade3andGrade1tankspriortostartingtheirdischarge.

Competence Requirements1. Describestheequipmentwithcentrifugalpumpsfortankdrainingas:

• Automaticself-primingstrippingsystems(Vac-Strip,PrimaVac) • Operatesuchsystemsinautomaticandinmanualmodes • Describetheoptimumtankdrainingsequenceasfromfor’dtoaft • Statethatsuctionvalvesarenotthrottledwhenusingthesystem

2. Describeauxiliarytankdrainingequipmentandstatestheoperatingrequirementsfor:

• Eductors • Reciprocatingpumps

3. Carryoutcargostrippingwithreferenceto:

• Optimumtrimandlist(ifappropriate) • Sequenceformaximumefficiency(mainpump,eductor,reciprocationstrippingpump).

4. Monitorthelevelintankbeingdrainedtoensuretheliquidisactuallymoving,ifnot,toascertainwhyand/ormovetoanothertank.

5. Completesofcargodischarge:

• Monitorcompletedtankstoensurevalvesarenotleaking • Draincargodeckmainsandriserstosloptankorpump • Drainresidualliquidfromcentrifugalpumpcasing • Drainmanifoldconnection • Managepressureofinertgastoensurenoventingoccurs

6. Prepareanduseanactionplantodealwithtypicalproblems:

Tankoverflowresultingfrom:

• Movementofcargobetweentanksofdifferinglevels • Lineuperror • Sloptankoverflowduringeducting • Valveleakageorfailure • Failureofautomaticstrippingsystem • IGplantfailure,eitherpermanentortemporary • Bilgelevelalarm


EXERCISE 11 Water wash cargo tanks

ObjectivePlanandexecutearoutinetankwashingandpreparationoperation,includingallsafetyandpollutionpreventionprecautions.AllMARPOLconcernsmustbeaddressedandtheoperationrecordedintheOilRecordBook.

Information1. Havingsailedfromthedischargeport,thecargosystemrequiresaroutinewash.Cargoordershave

alreadybeenreceivedforthenextloadingpatternbutthecargoesnominatedarenothighspecificationparcels.Aroutinewaterwashisallthatwillberequired,coldwaterfortheGrade3andGrade1tanksbuthotwaterfortheGrade2tanks.Atthisstage,thesloptankswillnotbewashedsincetheywillneedtocontaintheresiduesoftankwashings.

2. Asperroutinesafetyprocedures,theinertgassystemmustberunduringthetankwashingprogramme.

3. RemembertomonitortheinertgasqualitybeingdeliveredtothedeckaswellastheIGmainpressure,toensurethatsafetyrequirementsarefulfilled.

Competence RequirementsTankWashing-WithWater

1. Statethatwashingtankswithwateriscarriedouttoenableentryandmaintenance.

2. Statethatwaterwashingiscarriedoutwitheithercoldwaterorhotwaterheated:

• Byinlineheater • Inasloptank

3. Statethatatankerfittedwithaninertgasplantmustwashtankswiththeatmosphereintheinertconditionandthatcrudetankerssmallerthan20,000dwtwithoutaninertgasplantmaywashtanksinthenon-inertconditionfollowingthemoststringentsafetyprocedures.

4. ForWashingintheInertCondition:

• Tankatmosphereistestedandcontrolledtobe8%orlessbyvolumeOxygenandpositive pressure(asforCOW)

• Recirculatedwashwatermaybeusedusingoneormoresloptanks • Chemicaladditivesmaybeused,eitherinjectedintothewatersupplyoraddedinbulktothe

cargoorsloptank

5. Fixedwashingmachinesand/orportablemachinesmaybeused

6. Statethatforportablemachines:

• Spotwashingcanbeaccomplished • Anelectricalcontinuitytestofthehosesisrequiredbeforeuse(nottoexceed6ohmper

metrelength)


EXERCISE 12 Start taking heavy weather ballast in cargo tanks

ObjectivePlanandexecutetheballastingof3P&Scargotanksforthepurposesofheavyweather.AllMARPOLconcernsmustbeaddressedandtheoperationrecordedintheOilRecordBook.

Information1. Afterthevesselhassailedfromthedischargeportandroutinelywashedthecargotankshavebeen

routinelywashed,theweatherhasdeterioratedandtheMasterhasdecidedtotakeonheavyweatherballastforsafetyreasons.

2. Thedesignatedheavyweatherballasttanksare3P&S,sothelinesneedtobesettoballastthesecargotanks.Dependingonthesimulatormodelinuse,aspoolpiecemayneedtobepositionedforthispurpose.

3. Donotforgettosettheventingsystemappropriatelyaswell.Considertheloadingrateoftheballastintothecargotanksandensuretheexitvelocityoftheinertgasin3P&Scanatleastmatchtherateoftheincomingballast.

Competence Requirements1. Statetherequirementsfortakingheavyweatherballastincargotankssuchas:

• Tankshavetobewashed • Thepipelinesusedneedtobedrainedofoil • Pipelineshavetobeflushedintoasloptank • Ensurethathydrocarbonvapourisventedthroughtheapprovedventingsystem • Statethatwhenstartingtoloadcargotankballast,pumpsshouldbeoperatedinaccordancewith

theICS/OCIMFpublication“PreventionofOilSpillagesthroughCargoPumproomSeaValves” • Statethatifanon-inertedtankcontaininghydrocarbonvapouristobeballasted,valveoperation

andfillingratemustbecontrolledtopreventsprayingofwaterwhichmaycreateanelectrostatically chargedmist

2. Controlinertgassystemwithregardto:

• Tankpressure • Vapouremissions • Vapourbalancing-concurrentballastingandcargodischarge

3. Exercisepollutionpreventionproceduresbycontrolling:

• Pumpstartingatveryslowspeed • Openingseasuctionvalve • Centifugalpumpspeedcontrol,avoidtrip • Consideruseofstrippingpumptocreatevacuum • Carryoutoversidecheck

4. Statethatotherallowableoperationalexceptionsfortakingcargotankballastincargotanksare:

• passageunderalowbridge • heightofloadingconnections(andcombinationcarrierhatchcoamings)relativetoshoresystems • localregulationsrequiringspecificdraftforsafenavigation • (exceptionsformaintenancereasonsareallowed)


EXERCISE 13 Emergency water wash of both slop tanks without IG

ObjectivePlanandexecuteawaterwashoftheportsloptank,withoutinertgas,includingallsafetyandpollutionpreventionprecautions.AllMARPOLconcernsmustbeaddressedandtheoperationrecordedintheOilRecordBook.

Information1. Aftertakingonheavyweatherballast,aproblemhasoccurredwiththeinertgassystem.Thevessel

needstoprepareforthenextcargoasexpedientlyandeffectivelyaspossible.

2. Thevessel’sengineersareconfidenttheyhavetheresourcesonboardtorectifytheIGsupplybuttheyestimatethetaskwilltakearoundthreedays.Arrivalatthenextloadportisestimatedtobefivedaysfromnow.

3. Theportsloptankhasbeendecantedintothestarboardsloptankandthepressureandqualityoftheatmospherewithinstarboardtankmaintainedinaninertcondition.However,inordertoevacuatetheporttankandavoidunderpressurisation,airhadtobeintroducedintotheporttanktoreplacethewater.

4. Therefore,withnoIGsupply,theporttankhastobewashedinanon-inertcondition.

5. Permissionhasbeenobtainedfromthevessel’sownersandchartererstoproceedwiththiswaterwash,aslongastheprecautionssatedinISGOTT5thEditionarefollowedstrictly.

Competence RequirementsForwashinginthenon-inertcondition:

1. StatethatISGOTTsection11.3providesdetailedrequirementswhicharebasedontheneedtocontrolthe“fuel”andthe“sourcesofignition”ofthefiretriangle.

2. Beforewashing:

• Tankbottomisflushedwithmaincargopumpsandlines • Pipingsystemisflushedandstrippedtothesloptank • Tanktobeventilatedto10%orlessoftheLFL

3. Duringwashing:

• FrequentatmospheretestingatvariouslevelstodetectraisedLFL% • Ventilationtocontinueduringwashingwhereverpossibletoprovideafreeflowofairfromoneend

ofthetanktotheother • Tankatmospheretobekeptbelow35%LFL.ShouldthatbereachedwashingMUSTSTOP • Onlyresumewashingwhentheatmospherehasbeenreducedto10%orlessoftheLFL • Isolatetheventingsystemtopreventingressofgasfromothertanks

4. Tocontrol“sourcesofignition”inthetank:

• Individualwashingmachinesshouldnothaveathroughputgreaterthan60m3/hr • Totalthroughputpertanknottoexceed180m3/hr • Recirculatedwashwatermustnotbeused • Limitationsareplacedontheuseofchemicals,heatedwaterandsteam • Tankkeptdrainedduringwashinganddischargeintothesloptankkeptbelowitsliquidlevel • Forportablewashingmachine,hosestestedforelectricalcontinuity,notintroducedintothetankuntil

below10%LFL,connectionsnotbrokenuntilafterthemachinehasbeenremovedfromthetank • Soundingprecautionsaretakenifafulldepthsoundingpipeisnotprovided • Measurestakentopreventignitionfrommechanicaldefectsofequipmentinthetank • Precautionsaretakentoavoidmechanicalsparksfromdroppedmetalobjects • Useofnon-intrinsicallysafeportableelectricalequipmentNOTallowed


EXERCISE 14 Decanting slops after washing and ballasting

ObjectivePlanandexecutethelegitimatedisposalofslopsfromthestarboardsloptank,includingallsafetyandpollutionpreventionprecautions.AllMARPOLconcernsmustbeaddressedandtheoperationrecordedintheOilRecordBook.

Information1. Thevesselisnowtwodaysfromthenextloadport.Weatherconditionshaveimprovedconsiderably

andtheheavyweatherballasthasbeendischarged,withtheoilresiduescontainedinthestarboardsloptank.3P&Scargotankshavebeenwashedandinerted.

2. Inordertominimiseslopsonarrival,theremainingresiduesinthestarboardsloptankhavetobedecanted.

3. Ensuretherequiredcomponentsofthelinesystemareinplacetoenablethestarboardsloptanktobedischarged,viatheOilDischargeMonitoringEquipment,intothesea.

4. Uponcompletionofthisoperation,suchcomponents(e.g.,spoolpiece)shouldberemovedasrequiredpriortoworkingthenextcargo.

Competence Requirements1. DescribetherequirementsfordischargeincompliancewithRegulation34ofRevisedAnnexIMARPOL

73/78notinaspecialarea:

• morethan50milesfromland • enroute • instantaneousrateofoilcontentdischargenottoexceed30litrespermile • totalquantityofoildischargednottoexceed1/30,000ofthepreviouscargo • OilDischargeMonitoring&Controlsystemandsloptankinuseanyresidueswhichcannotbe

dischargedintotheseatoberetainedonboard

2. DescribeappropriateentriestobemadeintheOilRecordBookPartII-Cargo/ballastoperations

3. Decantingofslopsremainingfromcargotankwaterwashingoperations:

• Describeanddemonstratestheoperationoftheinterfacedetector • Calculatethequantitiesofoilandwaterbyreferencetotankcalibrationtables • Statethattheheatingofslopsisamethodofreducingthequantityofemulsionattheinterface • Demonstratedischargeofthe“clean”partofthesloptankcontents,stopdischargebefore

excessoilisdischarged


EXERCISE 15 Gas free cargo tank prior to entry for inspection

ObjectivePlanandexecutethegasfreeingof1P&Scargotankinordertoinspecttheinternalstructure.Gasfreeingproceduresshouldbecarriedoutinaccordancewiththevessel’soperatingmanuals.

Information1. Asaresultofconcernsfortheintegrityofthevessel’sstructureafterencounteringheavyweather,a

routineinspectionof1P&Scargotanksisplanned.

2. Sincethesetankshavealreadybeenwashed,theywillneedonlytobegasfreedforentry.

3. Thedecantingofthestarboardsloptankhasbeencompleted.Itisconsideredtherewillbesufficienttimetogasfree1P&Scargotankovernight,inspectthemandre-inertthem,shouldtherebenosignificantdamagesighted,intimeforarrivalatthenextport.Thiswillonlybeachieved,however,withdetailedplanningandco-ordinatedaction.

Competence Requirements1. Statethatforaninertedtank,gasfreeingmayonlytakeplaceoncepurginghasbeencompleted

2. StatethateithertheInertGasPlant,orfixedorportableventilationequipmentmaybeused

3. Describefixedequipmentsuchasa“GolarVent”anddescribestherequirementforisolationfromthecargosystemwhennotinuse

4. Describeportableequipment,suchas:

• Water/air/hydraulic/steamoperatedfans • Statethatwhenportableequipmentisusedthetankistobeisolatedfromtheinertgas/ventmain • Statethatportabletrunkingmaybeusedbutthatflowcharacteristicsoftheportableequipment

mayindicategreaterefficiencywithout

5. DescribewiththeaidofISGOTT11.4theproceduresandsafetyprecautionstobetakenwhengasfreeingwithportableequipment


APPENDIX I

CARGO STOWAGE PLAN

Slop 6 5 4 3 2 1

Grade1 1P&S 4P&S 6P&S SlopP

Grade2 2P&S 5P&S SlopS

Grade3 3P&S

INTERTANKO London St Clare House

30-33 Minories

London EC3N 1DD

United Kingdom

Tel: +44 20 7977 7010

Fax: +44 20 7977 7011

[email protected]

INTERTANKO OsloNedre Vollgate 4

5th floor

PO Box 761 Sentrum

N-0106 Oslo

Norway

Tel: +47 22 12 26 40

Fax: +47 22 12 26 41

[email protected]

INTERTANKO Asia 5 Temasek Boulevard,

#12-07 Suntec City Tower

Singapore 038985

Tel: +65 6333 4007

Fax: +65 6333 5004

[email protected]

INTERTANKO NorthAmerica801 North Quincy Street

Suite 200

Arlington, VA 22203

USA

Tel: +1 703 373 2269

Fax: +1 703 841 0389

[email protected]

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