Appendix I,II,III

8/13/2019 Appendix I,II,III

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RevrsedSpecifications: ppendix

Appendix

Listof changeswhenapplying he Specificationsonew crudeoil tankers f 201000onsdeadweightandabove2aragraph^Jmber Listof changes{.2.10 Subparagraphc) s not applicable.5.1 Replace y the following:

5.1 Tankage o be crude oilwashed5.1.1 Beforedepartureon a ballastvoyage:

(a) approximatelyone quarter of the cargo tanks shall be crude oil washed for sludgecontrol purposeson a rotationalbasis n accordancewith the procedures pecified nthe Operationsand EquipmentManual.However, or thesepurposes, o tank need becrude oil washed more than once in every our months;and(b) if it is consideredhatadditional allastn a cargo ankor tanksmaybe required uringthe ballast oyageunder he conditions nd provisionspecifiedn regulation 3(3)ofAnnex of MARPOLT3/78, he ankor tankswhich may be used or thisballast hallbecrude oil washed n accordancewith the procedures pecified n the OperationsandEquipmentManual. {

6.1.2 Ballastwater shallnot be put into cargo tanks hat have not been crude oil washed.Waterthat is put into a tank which has beencrude oil washed but not water rinsedshallbe regardedasdirty ballast.6.1.3 Crudeoil washing hallnot be conducted etween he inaldischarge nd oading orts; ha tis to say,no crude oil washing hallbe undertaken uring he ballast oyage.

6.3 Replaceby the following:5.3 Ballasting f cargo tankCare shall be taken at the completion of crude oil washingof any cargotank that might containballast o strip he tank ascompletelyas possible.Where this ballast s illed hroughcargo inesandpumps, hesemust be drainedand stripped f oil using he means equired y 4.4.5.

6.4 The last wo sentences re not applicable.5.5 Replaceby the following:

6.5 Dischargeof oil water effluentson ballastvoyageThe discharge f additionalballast rom cargo anksand any otherwater effluentdischarged uringthe ballast oyageshallcomply with the requirements f regulation of AnnexI of MARPOL73/78.

5.8 Thisparagraphs not applicable.;(d) Replaceby the following:

7(d) Detailsof the requirements f section6 of these Specificationsogetherwith adviceandinstructions, here appropriate, n meeting hese requirements uch as:

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Crude oil washinesystems(i )

( i i( i i i )

(vi)

recommendedmethods nd programmes f crudeoil washing n order o accordwithall oreseeable ircumstances f cargo discharge estraints nd to obtain maximum rimduring he completion f washingand draining f each ank;the methodof draining ankswhich shall nclude nformation n optimum rim condi-tionsas requiredby 4.4.1O;the methodof draining argopumps, argo ines, rudeoil washing inesand strippinglines,and spaces nto which they may be drained, ogetherwith the final dischargeashore ia the smalldischargeine on completion f discharge;typicalwashing rogrammes ndervarious onditions f loading pecifying:(1) the tanks o be washed n accordance ith 6.1;(2) the method or washingeach ank, hat s,singleor multi-stage;(3) the numberof tank washingmachineso be usedsimultaneously;(4) the durationof the crude oil wash andwater rinsewhere the latter s appropriate;The procedurefor verifying by sound patterns hat bottom-mountedmachinesareoperatingshallbe carriedout towards he end of the wash cycle or each ank. Whencarryingout such verificationall other machines hallbe shut down if necessary.

(v)

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Revised pecifications:ppendixlAppendix l

Training or personsntendedo assumeoverall harge f crudeoil washinglntroduction\ny requiredraining hall e supervisednstruction,onductedn a shore-basedacility r aboarda suitablyequipped hiphaving raining acil i t ies nd nstructorsor thispurpose, ealingwith the principlesnvolvedand he application f theseprincipleso shipoperation.rn drawing up an Administration-approvedyllabusof training, he RevisedSpecificationsor the design,rperation nd controlof crudeoil washing ystems f tankers hallbe taken nto account.Such raining hall ncludebut not necessarilye limited o:

An introductiono the principles f crudeoil washingwhich shall nclude:- the characteristicsf crudeoil as a washing luid and its contrastwith water washing;- top washing;- bottomwashing;- trim requirements;- methodsof bleedingoff from the cargo discharge;- maintenancef requiredwashing luidpressure;- washingat sea betweendischarge orts;- recirculatorywashing;- relativeprioritiesand requirementsor the departure ballast anks, arrivalballast anks andcargo-onlyanks.Equipment nd design(i) locationof washingmachines;(i i) washingmachines, eck-mountednd submerged:- types;

- characteristics;- featuresof construction;- operatingparameters;

(iii) driveunits;(iv) washing luid supplyand distribution ystems;(v) strippingsystems;(vi) meansof sounding anks;(vii) inertgas equirements.

(c) Ceneralized rudeoil washingprocedures(i) traditionalpipelineship/freeflowship/partialree-flowship;(ii) single/multi-parcelargoes;(i i i) optimization f washingproceduren order o minimizeextraberth ime;

( b )

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Crudeoil washins ystems(iv) ballastingor departurewith various hipand pipeline onfigurations;(v) procedure or washingat sea bewveendischarge orts.

(d) Associated rocedure(i) means or minimizingesidues n board- stripping f cargo anks;- draining nd stripping f cargo ines;- finaldischarge f cargoashore;(i i) waterrinsing f arrival allast anks;(iii) fill ingand ultimate ischarge f arrival allasq(iv) discharge f departureballast;(v) build-up nd decanting f residuesn slop ank;(vi) requirementsf regulation of Annex of MARPOL73/78;(vii) avoidance f venting n port duringballasting peration.

(e) Safety(i) inertgasprocedure;(i i) maintenancend monitoring f inertgasqualityand pressure;(iii) stopping f washing/dischargenderabnormal nertgasconditions;(iv) electrostatic eneration nd the precautions equired o avoid it)(v) pipeworkintegrity;(vi) avoidanceof surgepressures;(vii) spillage.

(0 Checklists(i) beforeentering ort;(i i) beforecommencing rudeoil washing;(iii) aftercrudeoil washing;(iv) aftersailing.

(g) Regulatoryenforcementprocedures(i) Operations nd EquipmentManual;(i i) Oil RecordBook;(iii) sounding f tanks;(iv) measurement f oil on surfaceof departureballast.

(h) Maintenance f plantand equipment(i) maintenancef equipment n accordance ith manufacturers'nstructions;(i i) additionalmaintenancetems.

Administrationshallensure hat the training acil ity ssues n appropriate ocument o thosequalif iednaccordance ith thisappendixo serveas officers rimarily esponsibleor crudeoil washing.' t 6


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RevrsedSpecifications: ppendix ll

Appendix l lAgreed nterpretations f certainof the provisions fthe Revised pecifications

This paragraphrequires pipes and valves to be of steel or other equivalent material. Asclassificationocieties ermit greycast ron or cargopipingwith a maximumpermissible orkingoif pressure f 16 kg/cm2,greycast ron may be permitted n the supplysystem or crude oi lwashing ystems hen complyingwith nationally pproved tandards.The requirements f this paragraphallow alternative rrangements. ne such alternative s thatwhere the system s served only by centrifugalpumps so designed hat the pressurederivedcannotexceed hat for which the piping s designed, temperature ensing evice ocated n thepump casing s required o stop he pump in the caseof overheating.On new oil tankers he steamheater referred o shallbe locatedoutside he machineryspaces.However,on an existing il tankerwith an existing teamheater ocated n the machinery paces,no more additionalsolation ill be required ther han hat which solateshe crudeoil washingsystem rom the machineryspaces.Thisparagraph equires achmachine o be capableof being solatedby meansof stop valves nthe supply ine.Wheremore hanone submergedmachine sconnectedo the same upply ineasingle solatingstop valve in the supply line may be acceptableprovided the rotation of thesubmerged achines an be verified n accordance ith paragraph .2.13(a) r (c)of the RevisedSpecificationsor the design,operationand control of crude oil washingsystems.With regard o the applicationof this paragrapha slop tank is coniideredas a cargo tank.Cuidelines or the assessment f shadow diagrams(a) Shadow iagramsto be preparedn accordance ith 4.2.9)mustbe on drawingshe scaleof whic h must be at least:

(i) 1:100 or tankers f less han 100,000 onsdeadweigh[(i i) 1 200 or tankers f 100,000 ons deadweight nd above.

(b) The drawingsmustprovideat leasta planview, a profileview and an end elevation or eachtank, or for tanks considered o be similar.(c) Sufficient etaileddrawingsof the vesselmust be provided o check that all largeprimarystructuralmembers avebeen ncluded.(d) The term large rimarystructuralmemberss to be construed s thosecomponents f a tank

structurewhichcontribute ignificant trength o the ship,suchasweb framesandgirders.t isintendedhatsmaller omponents uchas hose hat contribute o platestiffening e excluded.In generalhe ollowing ists,n coniunctionwith thediagram howing tructural omponents fcargo anks,may be used o amplify his nterpretation.Seediagram n page20.)lnclude

(i) web frames(ii) girders(iii) stringers(iv) webs(v) main bracket

Disregard(i) longitudinals(ii) brackets(iii) stiffeners(iv) ladders(v) pipe work

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Crude oil washinesysterns

Include(vi) transverses(vii) crossties n transversewebframes, nless t can be ve-rifiedby tank nspectionhattheir presencedoes not af-fect the cleanlinessof thetank. However, or the pur-poseof makingan initialas -sessmentwhere there ar eno more than two crosstiesandeach s ess han 1 15 otthe total depth of the tankthey may be ignored.

Disregard(vi) corrugations n corrugated ulkheads(vii) face plates

(e) Shadows ast upon the underside f decks,web frames, entreand side girders an beignored.Calculations ust be providedeitheron the drawingor separatelyo show how the per-centagesequiredby 4.2.8 havebeen arrivedat.The calculations houldbe itemizedso thatit is possibleo relateeach tem with a particular hadowarea.Where a curvedsurface s presented o jets it is not necessaryo provideexactgeometricprojections o determine he resultant hadow.A reasonable stimate s acceptable.For he purposeof determining he bottom area of wing tanis, the breadthof the tank s tobe taken as the horizontaldistancemeasuredacross he top of the bottom longitudinalframes o the insideof the shellplating,midwaybetween he tank bulkheads.

A swashbulkheadmay be takenas a tank boundary.However, n thisevent he bulkheadmustbe assumedo haveno openings n it .4.2.10 Water insemeans he water washingprocess arriedout in connectionwith tank cleaningaftercrudeoil washing nd s not intendedo be construed s imiting he amountof water needednthe process.a.2.10(c) a) The o/ monitoring system eferred to in this paragraphmeans any approved system,including aboratory ests,which verifies hat the oil contentof the effluentdoes not exceedthe stated evel. f laboratory estsare to be conducted,standards ontained n resolution

A.393(X) houldbe usedas guidance.Oil tankers ngagingn a tradewhere discharge fcargo akesplace n one port Stateand cargo oading n anotherport Statecreatea specialproblem with respect to verification.Two alternatives vailable o confirm the tanker'scapabilityare:(i) the tanker ouldbe required o conduct he entirecrudeoil washing perations t thedischarge ort, aking nspectorso sea f necessaryo observewater washing, andlingof departureballastand discharge f arrivalballast;(ii) coordinationbetweenthe flag StateAdministration nd port States o obtain the requireddocumentation.However the test is performed, t should be decided on a caseby{ase basis aking intoaccount he serviceof the tankerand the availability f surveyors.

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(e)(h)

( i )

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RevrsedSpecifications: ppendix ll(b) The expressionotallydischargedo the oadingport harbourwhich is used n thisparagraphshall be so construedas to mean the total quantityof arrivalballastexcept that quantitywhich s o be retained n boardasspecifiedn section 5 of the Operations nd Equipment

Manual.{.4.3 Duringbottomwashinghe stripping apacity hallbe at least1.25 imes he total hroughput fall the machineshat may be simultan eouslyn useaccording o paragraph .4.3.Thisdoesnotmean hatall machinesn a tankhave o be operated imultaneouslyuringbottomwashing utthe bottom washingmaybe carriedout in stepsaccordingo detailedproceduresaid down in theOperations nd EquipmentManual.The stripping apability houldbe at least1.25 times hethroughput f all machineshat are n operation imultaneous lyuringany stageof the bottomwashing.{.4.5 ln crudeoiltankershaving ndividual argopumps n each ank,eachpump havingan individualpipingsystem, ispensationrom the required pecial malldiameterinemay be given n caseswhere he combinedamountof oil left in the tank afterstripping nd the volume of oil in the

pipingsystem rom the manifold o the tank s ess han0.00085 imes he volumeof the cargotank. f a deepwellcargopump system s providedwith an evacuating ystemor retainedoil, theabove consideration hould also apply.5.2(b) Thisparagraphequireshat officerswho assume verall harge f a crudeoil washing perationmusthaveparticipatedn a crudeoil washing peration n the ship or which heyare equired oundertake he responsibilityor cargo discharge, r on a similarship.However, or new ships, orships hangingor the irst ime o the carriage f crudeoil, or ships ew o a particular wner,orfor shipswhich are changing egistry n which it may not be possibleo acquire he particularexperience,he Administrationmay accept as an alternative:

(i) a personsuch as a shore'based eniorofficer appointedby the company(additional o theship's omplement) ho is experiencedn the operation f crudeoil washing nd spresentto advise he ship'spersonnel; r

(ii) a seniormember of the crew such as the master, hiefofficer or cargocontrolofficer whohasparticipatedn at least our crudeoil washingoperations nd is on board he ship;provided hat an Operations nd EquipmentManual, n a language eadilyunderstood y theship'sofficers, s available n the ship.

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Crudeoil washine ystemsDiagram howing tructural omponents f cargo anks

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Documents

Appendix I,II,III