UT 755建造方针书英文.docx

UT 755建造方针书英文.docx

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UT755建造方针书英文

Buildingpolicy（PRELIMINARY）

FOR

MT6015MultipurposeFieldSupply

VESSEL&PIPECARRIER

COSCOGUANGDONGSHIPYARDCO.,LTD.

DESIGN：

CHECK：

REVIEW：

VERIFY：

APPROVE：

JULY,2010

CONTENTS

1Treatycontents1

1.1Owner1

1.2Generaldescription1

1.3Classandflag1

1.4Contractawarddate,effectivedateanddeliverydate1

1.5Others1

2Mainparticularsandmaterials2

2.1Dimensions2

2.2Construction2

2.3Mainequipmentandspecialequipment2

2.4Mainmaterial2

9TemporaryWorkingHoleandSafetyAccess（Ref.TemporaryWorkingholePlan）3

9.1RoutIntrodution3

10POLICYOFQCDEPARTMENT4

10.1Qualitycontrolpolicy4

10.2Stageofcuttingandprocess4

10.3stageofcomponent&subassemblygroup4

10.4Stageofblocksubassembly4

10.5Stageofblocksubassembly4

10.6Stageofblockassembly5

10.7keypointofqualitycontrolforoutfit5

10.8Electricalsysteminstallationqualitycontrol5

10.9Qualityassurancemeasure6

11TheresponsibilitiesofMaterialadministrationDepartment7

12Theprincipleofdesigndepartment8

12.1Objectiveofdesign8

12.2DesignDivision8

12.3Orderphaseapproach8

12.4Standardization9

12.5Guidelinesofdetaileddesign9

12.6Theprinciplesofproductiondesign9

12.7Designfocuscontrol11

13ConstructionmanagementdepartmentOperatingPolicies13

13.1Constructiontarget13

13.2Contraltarget14

13.3Constructionmanagementsteps15

1Treatycontents

1.1Owner

1.2Generaldescription

Thevesselhastwomainengines,2ofControllablepitchpropellers,4ofsidethrusters.ThevesselarrangedasMachinerywithaccommodationarrangedforward.

ThevesselbuiltforWorldWideservice.Materialsandequipmenttobeofrecognizedmanufactorsandshallsatisfytherequirementofclassrulesaccordingly.

Thevesselistofullfilthegeneraldemandsoftheoffshoreindustryastransportpipes,cement,equipmentandcargotoandfrompipe-layingbarges,drillingplatformsandproductionplatforms.

Maindecktobearrangedfordeckcargowithanareaofapprox.51mx13,5mandforaloadof5t/m2.Thevesselarrangedwithaccommodationfor20officersandcrewsandpassengers.

1.3Classandflag

Class:

DetNorskeVeritas（DNV）

1.4Contractawarddate,effectivedateanddeliverydate

Effectivedate

Deliverydate

1.5Others

Ifdescriptions/parametersoftheequipmentsinthespecificationdifferentfromtheorderofequipmentandtechnicalagreementapprovedbyowners,shipyardsanddesigners,subjecttotechnicalagreement.

Ownerfurnishedequipment：

2Mainparticularsandmaterials

2.1Dimensions

Lengtho.a.

73.60m

Maxdraught

5.83m

Sailingarea

Worlewide

Trialspeedatd=4.0m

15.0kn

Lengthb.p.p.

68.30m

Deadweightd=5.83m

3150t

Breadthmld

16.00m

GrossTonnage

～2100

Depthmaindeck

7.00m

Deckcargocenterofgr.ty1mabovedeck

～1600t

Cargodeck,freearea

680m2

2.2Construction

2.2.1Camber:

Alldeckstohavenosheerandcamber.

2.2.2Framespacing:

2.2.3Doublebottomarrangedfromfr.14-84andinforethrusterroom.

2.2.4Thevesselhullisweldingcombinedsysteminthestructure,withtransversestiffent.Portsideandthebottomistransverseframing.Astrongboxconstructionskegistobearrangedatthecentrelineaft.

Thevesselhastwoofflaprudder.

2.3Mainequipmentandspecialequipment

Maindieselengines

2setsmodel:

C25:

33L8PCDEngineoutput:

2560kW

Enginespeed.:

900rpm

Aux.generator

2setsGeneratoroutput:

（310kVA）Voltage:

440V

Frequency:

60Hzspeed.:

1800rpmEnclosure:

IP23

MainGear

2setsType:

600AGHC–V-KP50L

Shaftgenerators

2setsCapacityeach:

1800kVAVoltage:

440V

Frequency:

60HzTemperatureclass:

FEnclosure:

IP55

emergency/harbourgenerator

1setGeneratoroutput:

150kVAVoltage:

440VFrequency:

60Hz

Temperatureclass:

FEnclosure:

IP23

GearboxesforFi-Fipump

andFi-Fipump

2setsCapacity:

approx.1650m3/hr.Powercons.:

approx.850kW

Pumpspeed:

approx.1800r.p.m.

Controllablepitchpropeller

2setsMake:

Rolls-RoycepropulsionsystemType:

72A/4-B-2900

Numberofblades:

4eachpropeller,speed（MCR）:

Approx197rpm

ShaftgeneratorforAzimuththrusterEngine

1setOutputapprox:

250kW-310kVA,440V,60Hzatmax.rpm.Generatortobedriven

Aux.genforAzimuththruster

2setsPerformance:

Approx.900kW/1800rpm

Drycementtanks

5setsCapacity:

2250cb.feet

ForwardSidethrusters

2setsType:

TT1850,590kW

AftSidethrusters

2setsType:

TT1650,590kW

SteeringGear

2setsRollsRoyceindependantelectric-hydraulicsteeringgears

2.4Mainmaterial

Hullsteelsweight:

~1380t

9TemporaryWorkingHoleandSafetyAccess（Ref.TemporaryWorkingholePlan）

9.1RoutIntrodution

A．AccessforE/R

○Engineroomoutboardstaging→TemporaryworkingholeonsideshellofE/R→Upperplatform→PassagewayinsideofE/R

●Laddergangway→Upperdeck→Accessontheupperdeck→PassagewayinsideofE/R

B．Accessforthestern

○OutboardStaging→Temporaryworkingholeonthestern

C．AccessforMidshiparea

○Theincliningladderonthebuildingberth→Temporaryworkingholeontheupperdeck→Stagingalongthebulkhead→Innerbottom

●Outboardladdergangway→Upperdeck→ladderonthebulkhead

D．Accessforthebow

●Engineroomoutboardstaging→TemporaryworkingholeonsideshellofE/R→Upperplatform→Temporaryworkingholeonthebow

E．Accessforthesuperstructure

○Laddergangway→Upperdeck→Superstructurepassageway

10POLICYOFQCDEPARTMENT

10.1Qualitycontrolpolicy

1、Intensifyqualitycontrolbyself-help

2、Dotheprocessofqualitycontrolwell

3、Intensifythesuperviseoftechnicsdiscipline

4、Strictwiththekeypointofqualityofworkingprocedure

10.2Stageofcuttingandprocess

⑴Removetheburrandscrapsofthefreeedge

⑵Precisionofcurvehullplating

⑶Precisionofcuttingplate&profile

⑷Tracingthemainstructuremembers

10.3stageofcomponent&subassemblygroup

⑴Alloftheplateofbulkhead&allofprofilestobeflatbyhotworking

⑵Thinplateofshell&profilewhichbeingdistortiontoberectify

⑶Qualitycontrolforinsideofautomaticsubmerged-arcweldingseam

⑷Precisionofopeningfordoorsandwindowsinwayofsuperstructure

⑸Precisionofprocess/flatforbulkheadplatinginwayofsuperstructure

10.4Stageofblocksubassembly

⑴Beforeleavingjig,blockjointseamtobeflatandfairing.

⑵Shringkageandprecisionofcuttingtobechecked

⑶Precisionofmarkingtobechecked

⑷Principaldimensioncontrolandcorrectnesstobechecked

⑸Shellplatingofblockconcavetobecheckedafterrectify.

⑹Anglebetweenbroadsideanddecktobecontrolled.

⑺Anchorsystem:

marking&installation

⑻Roughnessofdoorsandwindowsopeninginwayofsuperstructure.

⑼Freeedgedistortiontoberectifiedandblocktobereinforcement.

⑽Knock-downplatetobeweldtemporary.

⑾Groovedirectionoferectionjointseamafterexceedbeencut,outlookgroovequality.

⑿Processofshaftstrut&casingweldingtobesupervised¬ed.

⒀Weldingprocesscontrolforimportantblocks.

⒁Rudderattheafterandfoundationofmainengineprefabricatedandinstallationprecision.

10.5Stageofblocksubassembly

⑴Heightandhalfwidthcontrolforbothforwardandafterpartsofthevessel

⑵Controltheheightofsuperstructure/shaperoughness/alignmentbetweencorrugatedbulkheadwhichontheplatformandlowertheplatform.

⑶Considerthepipetobepress-testindependenceandtobevacuumed.

⑷SizeandRoughnesscontrolofdoorsandwindowsopeninginwayofsuperstructure.

10.6Stageofblockassembly

⑴Keyblockpositionfixon/centerline/blockheight/leveldegree/widthcontrol

⑵Precisionofshaftstrutweldtohullstructure.

⑶Blockjointseamweldingqualitycontrol.

⑷Blockassemblycuttingquality&fittingprecisioncontrol,requiretomakesureCO2singlegroovetobeconsistentwithgrooverequiredbyweldingprocess.

⑸Axisprecisioncontrol

⑹Principaldimensioncontrolofthewholevessel.

⑺Sequenceofblockbutt-seamrectifycontrol.

10.7keypointofqualitycontrolforoutfit

1Tailshaftsurfacedefectexamination（beforestorage）

2Tailshaftoutdiameter/length/pulsationexamination

3Tailshaftconcentricityandfittingtightnessexamination

4Bearingoutlookexamination&sizemeasurement

5Forwardandaftbearingandsternpostdefectexamination

6Mainengine/tailshaftetc.mainequipmentexaminationwhenarrived,andmaintaincontrol

7Vesselmooringcontrolafterlaunch

8Debuggingqualitycontrol

9Tankcapacityconditioncontrol

10Mainenginebearingcorrosionsituationexamination

11Ruddercasingdefectexamination

12Rudderstock/pintle/bushforlowerbearingprecisionprocessexamination

13Shaftandshaftsealquality（burrclearup）

14Qualityofallclassesofvalves（tightnessexamination,selectiveexamination）

15Pipingfabrication&fittingqualitycontrol

16Sterntubealignment,fillingchockfastenqualitycontrol

17Tailshaftinstallation/oilsealinstallation/propellerinstallationqualitycontrol

18Shaftingalignment&mainengine/gearbox/generatorinstallationqualitycontrol

19Dockmooringtest&seatrialqualitycontrol

20Ruddersysteminstallationqualitycontrol

21Steeringgearinstallationqualitycontrol

22Capstanpositiondetermination（alignmenttochainhole）qualitycontrol

10.8Electricalsysteminstallationqualitycontrol

（1）Whensupportingforcablehadtoweldtohull,shouldnottoweldthesupportingtotheshellplateormetalpipe,thesupportingshouldweldtothetheobjectthancaneasyfordisassembly

（2）Thesupportingforcablethatweldtohull,theseamshouldkeepawa