ICS27.180

P61

RecordNumber:J18-2014NB

ENERGYSECTORSTANDARD

OFTHEPEOPLE’SREPUBLICOFCHINA

中華人民共和國(guó)能源行業(yè)標(biāo)準(zhǔn)

PNB/T10104-2018

SpecificationforSurveyingofOffshoreWindPower

Projects

海上風(fēng)電場(chǎng)工程測(cè)量規(guī)程

IssuedonDecember25,2018ImplementedonMay1,2019

IssuedbyNationalEnergyAdministrationofthePeople’sRepublicofChina

ENERGYSECTORSTANDARD

AnnouncementofNationalEnergyAdministrationofthe

People’sRepublicofChina[2018]No.16

AccordingtotherequirementsofDocumentGNJKJ[2009]No.52,NoticeonReleasingthe

EnergySectorStandardizationAdministrationRegulations(Tentative)anddetailed

implementationrulesissuedbyNationalEnergyAdministrationofthePeople’sRepublicof

China,204sectorstandardssuchasCodeforEngineeringGeologicalInvestigationof

PhotovoltaicPowerProjects,including32energystandards(NB)and172electricpower

standards(DL),areissuedbyNationalEnergyAdministrationofthePeople’sRepublicof

Chinaafterduereview.

Attachment:DirectoryofSectorStandards

NationalEnergyAdministrationofthePeople’sRepublicofChina

December25,2018

Attachment:

DirectoryofSectorStandards

Adopted

Replacedinternati

SerialStandardApprovalImplementatio

Titlestandardonal

NumberNumberDatenDate

No.standar

dNo.

…

Specificationfor

December

5NB/T10104-2018SurveyingofOffshoreMay1,2019

25,2018

WindPowerProjects

…

Foreword

AccordingtotherequirementsofDocumentGNKJ[2015]No.12NoticeonReleasingthe

SecondBatchofIndustrialStandardFormulation(Revision)PlaninEnergySectorin2014

issuedbyNationalEnergyAdministrationofthePeople'sRepublicofChina,this

Specificationisformulatedbythepreparationteamafterextensiveinvestigationandresearch

throughcarefullysummarizingpracticalexperiencesandreferringtorelevantdomesticand

foreignadvancedstandardsonthebasisofextensiveconsultation.

Themaintechnicalcontentsofthisspecificationinclude:controlsurvey,waterlevelcontrol,

topographicsurvey,specialsurvey,spatialdataeditingandGISdevelopment,inspection,

acceptanceanddataarchiving.

NationalEnergyAdministrationofthePeople’sRepublicofChinaisinchargeofthe

administrationofthisspecification.ChinaRenewableEnergyEngineeringInstitutehas

proposedthisspecificationandisresponsibleforitsroutinemanagement.WindFarm

PlanningandDesignSubcommitteeofEnergySectorStandardizationTechnicalCommittee

onWindPowerisresponsiblefortheinterpretationofthespecifictechnicalcontents.

Commentsandsuggestionsintheimplementationofthiscodeshouldbeaddressedto:

ChinaRenewableEnergyEngineeringInstitute

No.2Beixiaojie,Liupukang,XichengDistrict,Beijing100120,China

Chiefdevelopmentorganization:

POWERCHINAHuadongEngineeringCorporationLimited

ZhejiangHuadongSurveying,MappingandGeoinformationCo.,Ltd.

Participatingdevelopmentorganization:

ZhejiangHuadongConstructionEngineeringCo.,Ltd.

Chiefdraftingstaff:

YANZhanglinSHANZhigangSHIJianweiFENGLei

GAOHongqiWANGMingyuanZHUChengruiSHIJinyang

LUOXujiaXUWeihongJIANGPeiwuXUZhongbiao

WENGPengfeiLIXingkaiZHANGKunLIXiaofei

XUJianYANPeng

Reviewpanelmembers:

BAOJingyangGUOJimingWANGHuimingHUANGJingbo

LUEnfengGOUShengguoXIAOShengchangXIENiansheng

LIUDongqingRENShaohuaLIUGuipingYINGYuankang

BAOJiangXIMinweiZHAOShijunTANGWenyu

LIShisheng

Contents

1GeneralProvisions.............................................................................................................1

2Terms...................................................................................................................................2

3BasicRequirements............................................................................................................3

4ControlSurvey....................................................................................................................5

4.1GeneralRequirements.......................................................................................................5

4.2HorizontalControlSurvey................................................................................................5

4.3VerticalControlSurvey.....................................................................................................7

4.4Documentation.................................................................................................................11

5WaterLevelControl........................................................................................................12

5.1GeneralRequirements.....................................................................................................12

5.2SettingofTidalStation....................................................................................................12

5.3WaterLevelObservation.................................................................................................15

5.4DeterminationofMeanSeaLevel...................................................................................16

5.5DeterminationofSoundingDatum.................................................................................17

5.6Documentation................................................................................................................18

6TopographicSurvey.........................................................................................................20

6.1GeneralRequirements.....................................................................................................20

6.2CoastalTopographicSurvey...........................................................................................20

6.3BathymetricSurvey.........................................................................................................22

6.4CompilationofTopographicMap...................................................................................25

6.5Documentation................................................................................................................27

7SpecialSurvey...................................................................................................................28

7.1ExplorationPointSurvey................................................................................................28

7.2NavigationAidsSurvey..................................................................................................28

7.3SubmarineObstacleDetection........................................................................................29

7.4SeabedPipelineRouteSurvey........................................................................................29

7.5SeaAreaUseRegisterSurvey.........................................................................................30

7.6ConstructionSurvey........................................................................................................32

7.7As-BuiltSurvey...............................................................................................................33

7.8DeformationMonitoring.................................................................................................33

8SpatialDataEditingandGisDevelopment...................................................................36

8.1GeneralRequirements.....................................................................................................36

8.2SpatialDataEditingandStorage.....................................................................................36

8.3GisDevelopment.............................................................................................................37

9Inspection,AcceptanceandDataArchiving..................................................................39

9.1InspectionandAcceptance..............................................................................................39

9.2DataArchiving................................................................................................................39

AppendixAMeanSeaLevelDeterminationMethodsforShort-Term

andTemporaryTidalStations......................................................................41

AppendixBOperationalRequirementsforBathymetricSurvey

byRtkwithoutTidalObservation...............................................................44

AppendixCTestsonBerthingStabilityandNavigation

forSingle-BeamEchosounder......................................................................46

AppendixDOperationalRequirementsforMultibeamSoundingSystem...................47

AppendixEOperationalRequirementsforSideScanSonarSurvey............................50

AppendixFOperationalRequirementsforSub-BottomProfilerSurvey......................54

AppendixGOperationalRequirementsforMarineMagneticSurvey..........................57

ExplanationofWordinginThisSpecification.....................................................................59

ListofQuotedStandards.......................................................................................................60

1GeneralProvisions

1.0.1Thespecificationisformulatedtostandardizethecontents,methodsandtechnical

requirementsofoffshorewindpowerprojects,andensurethequalityofsurveyresults.

1.0.2Thespecificationisapplicabletothesurveyofoffshorewindpowerprojects.

1.0.3Inadditiontothisspecification,thesurveyofoffshorewindpowerprojectsshallalso

complywiththecurrentrelevantstandardsofChina.

1

2Terms

2.0.1soundingdatum

theinitialdepthsurfaceofchartsandvariousbathymetricdata.

2.0.2lowestnormallowwater

thelowestpossiblewaterlevel,whichisthesoundingdatumcurrentlyusedinChina.

2.0.3real-timekinematicrelativepositioning(RTK)

Accordingtotheprincipleofcarrierphasedifferentialtechniques,thedifferentialdataofa

referencestationaretransmittedtothesatellitepositioningreceiverofamovingstationusing

radiocommunicationtechnology.Therelativepositioningofthereal-timetrajectoryofthe

satellitepositioningreceiverantennacanbecalculatedanddetermined,whichistermedas

carrierphasereal-timedynamicsurveyorRTKsurvey.

2.0.4satellite-basedaugmentationGNSSsystem

Thepositioningsystemofthesatellites-basedGNSSpositioningcorrectioninformationand

achievingimprovementofpositioningaccuracy.

2.0.5tidalstation

anobservationstationwhichrecordswaterlevelchangesbysettingupmarigraphsortide

staffsandfurtherknowsthelawoftidalchangesatselectedlocations.

2.0.6bathymetricchart

Bathymetricchartsofunderwaterdepthsrecordedbysurfacefeaturesymbols,depthcontours,

andwaterdepthannotationsaccordingtotheplanimetricpositionanddepthdataofsounding

points.

2.0.7routeinvestigation

theinvestigationofsubmarinetopographyandgeomorphology,marinegeology,geophysics,

andhydrologyfortheseaareastobepassedthroughbeforelayingsubmarinepipelines,

2

3BasicRequirements

3.0.1Beforeoperation,relevantdatashallbecollectedandanalyzed,fieldsurveyshallbe

performed,andtechnicaldesigndocumentshallbecompiled;duringoperation,quality

controlshallbedone;afteroperation,generaltechnicalreportsshallbecompiled.

3.0.2Theselectionorestablishmentofplanecoordinatesystemsandheightdatumshall

complywiththecurrentnationalstandardGB50026CodeforEngineeringSurveying.

3.0.3Soundingdatumshallusethelowestnormallowwater;theareaswiththedetermined

soundingdatumshallusethedeterminedvalue,whiletheareaswithoutthedetermined

soundingdatumshallusethevaluejointlycalculatedwithadjacentlong-termtidalstations.

3.0.4TheselectionofamapscaleshallcomplywithTable3.0.4.

Table3.0.4Selectionofamapscale

EngineeringstageEngineeringareaMapscale

PlanningWindfarm1:10000,1:25000,1:50000

Pre-feasibilitystudyWindfarm1:5000,1:10000

FeasibilitystudyWindfarm1:2000,1:5000

Seabedcablelayoutarea1:500,1:1000

Onshorecentralizedcontrolcenter

1:500,1:1000

andstep-upsubstationlayoutarea

Detaildesignforbiddingand

construction

Offshorestep-upsubstationlayout

1:500

area

Windturbineslayoutarea1:200,1:500

3.0.5Topographicmapswithascaleof1:200and1:500shallusethebasiccontourinterval

of0.5m,whileoneswithotherscalesshouldusethebasiccontourintervalof1.0m.

3.0.6Topographicmapswithascaleof1:500-1:50000shouldbesubdividedand

numberedaccordingtotherelevantprovisionsofthecurrentnationalstandardGB/T13989

SubdivisionandNumberingfortheNationalPrimaryScaleTopographicMaps;topographic

mapswithascaleof1:200andtheareasusingindependentcoordinatesystemsmaybe

subdividedintoasetofsquaresorrectangles,andthennumberedaccordingtothesequence

ofsurveyareas;whereastheareaswithzonalandirregularshapesmaybesubdividedfreely.

3.0.7Relatedinstrumentsandequipmentshallbeinspected,calibrated,andmaintainedwith

moreefforts.Theusedsoftwareshallbecertifiedorinspected.

3.0.8Surveyingaccuracyshallusemeansquareerrorasthestandard,andlimiterrorsshall

betwotimesofmeansquareerror.

3

3.0.9Existingtopographicmapsshallfirstbetestedandthenmodified,orretested

accordingtothetestresults.

3.0.10Electronicbooksanddataterminalsshouldbeusedforfieldobservationrecords.

3.0.11Beforeperformingsitesurveyofoffshorewindpowerprojects,identificationof

hazardsourcesatworkingseaareasandassessmentofsecurityrisksshallbecarriedout,and

safetyriskcontrolmeasuresandemergencyplansshallbedeveloped.Inaddition,operatorsor

workersshallbeeducatedandtrainedaboutmaritimesafety.

3.0.12Thewastesandsolidwastesgeneratedshallbedisposedofwhilesurveyoperationof

offshorewindpowerprojectsisongoing.

4

4ControlSurvey

4.1GeneralRequirements

4.1.1Thefourthorfirstorderplanecontrolnetworksshallbeestablishedastheprimary

planecontrolinsurveyareasaccordingtothecurrentnationalstandardGB50026Codefor

EngineeringSurveying.

4.1.2TheplanecontrolsurveyshoulduseGNSSsurveyortraversesurvey.

4.1.3Thefourthorfifthorderverticalcontrolnetworksshallbeestablishedastheprimary

verticalcontrolinsurveyareas.

4.1.4Verticalcontrolshoulduselevelingortrigonometriclevelingbasedon

electromagneticdistancemeasurement(EDM).Thefifthorderverticalcontrolmayalsouse

GNSSelevationsurvey.

4.2HorizontalControlSurvey

4.2.1TherequirementsofGNSScontrolnetworkaccuraciesandtheaveragesidelengthsof

adjacentpointsshallcomplywithTable4.2.1.

Table4.2.1RequirementsofGNSScontrolnetworkaccuraciesandaveragesidelengthsof

adjacentpoints.

Relativemean

squareerrorofside

AveragesidelengthofFixederrorProportionalerror

Orderlengthsofthe

adjacentpoints(km)B(ppm)

A(mm)weakestadjacent

points

Forth2-4≤10≤10≤1/40000

First0.5-2.0≤10≤20≤1/20000

NOTE:Whenthesidelengthofacontrolnetworkislessthan0.5km,theaccuracyiscalculatedas0.5

km

4.2.2MaintechnicalindexesofstaticGNSScontrolnetworksurveyshallcomplywith

Table4.2.2.

4.2.3ThefirstorderGNSSsurveymayuseRTKsurvey.Theareaswiththecontinuous

operationreferencestation(CORS)networkshoulduseCORSforRTKsurvey.Main

technicalrequirementsofRTKsurveyshallcomplywithTable4.2.3.

Table4.2.2MaintechnicalindexesofstaticGNSScontrolnetworksurvey

OrderForthFirst

ReceivertypeDoublefrequencyorsinglefrequency

Instrumentnominalaccuracy10mm+5ppm

5

Satellitealtitudeangle(o)≥15≥15

StaticNumberofobservationperiods(#)≥1≥1

Timeofobservationperiods(min)≥45≥30

ContinuedTable4.2.2

Numberofeffectiveobservation

≥4≥4

satellites

Datasamplinginterval(s)5-155-15

Satellitealtitudeangle(o)-≥15

Timeofobservationperiods(min)-10-15

Faststatic

Numberofeffectiveobservation

-≥4

satellites

Datasamplinginterval(s)-5-15

Positiondilutionofaccuracy(PDOP)≤6≤8

NOTE:Whenthefourthorfirstorderindependentnetworkistheprimarycontrolofthesurveyarea,the

numberofobservationperiodsshallnotbelessthan1.6,thatis,thenumberofrepeatedstations

shallnotbeless60%oftotalstations.

Table4.2.3MaintechnicalrequirementsofRTKsurvey.

MeansquareerrorRelativemeanDistancebetweena

ObservationOrderofinitial

ofpointpositionsquareerrorofmovingstationanda

numberspoints

(cm)sidelengthreferencestation(km)

Fourthorderand

≤5≤1/20000≤5≥4

above

NOTE:WhenusingCORSforRTKsurvey,thesurveyingdistancebetweenthemovingandreference

stationsisunlimited,butitshallbewithintheeffectiveservicerangeofCORS.

4.2.4Thelayout,observation,anddataprocessingofaGNSSnetworkshallcomplywith

bothArticles4.2.1-4.2.3ofthisspecificationandthecurrentnationalstandardGB50026

CodeforEngineeringSurveying.

4.2.5Maintechnicalrequirementsoftraversesurveyshallcomplywiththefollowing

requirements:

1Maintechnicalindexesofthefourthandfirstordertraversesurveyshallcomply

withTable4.2.5.

6

Table4.2.5Maintechnicalindexesofthefourthandfirstordertraversesurvey

Numberof

Mean

MeanRelativeobservationsetof

LengthAveragesquare

squaremeanhorizontalangleMisclosureRelative

ofsideerrorof

Ordererrorofsquareobservationinazimuthmisclosure

traverselengthangle

rangingerrorof(")oftraverse

observati

(km)(km)ranging1"order2"order

on(")(mm)

instrumentinstrument

Fourth9.01.52.5181/80000465n≤1/35000

First4.00.55.0151/30000—210n≤1/15000

NOTE:nisthenumberofstations.

2Whenthemaximummapscaleis1:1000insurveyareas,thelengthandaverage

sidelengthofthefirstordertraversemaybelengthenedappropriately,butthe

maximumlengthshallnotbemorethan2timesofthatspecifiedinTable4.2.5.

4.2.6Thelayout,observation,anddataprocessingoftraverseshallcomply

withbothArticle4.2.5ofthisspecificationandthecurrentnationalstandardGB

50026CodeforEngineeringSurveying.

4.3VerticalControlSurvey

4.3.1Thedistancebetweenadjacentverticalcontrolpointsshallbe1km-3km,butthere

shallbeatleastthreeverticalcontrolpointsinandaroundasurveyarea.

4.3.2MaintechnicalrequirementsoflevelingshallcomplywithTable4.3.2.

Table4.3.2Maintechnicalrequirementsofleveling

TotalMisclosureof

meanannexedlevelingline

Randommean

Linelength(km)squareorclosedleveling

errorofDifferenceoflinesquareerrorof

Typeofheightmean

mean(mm)

Orderelevationlevelingdifferenceofelevation

differenceinstrumentthemeasureddifferenceper

ClosedAnnexedpersection(mm)kilometre

levelinglevelingkilometreFlatlandMountain(mm)

lineline

(mm)

Fourth≤100≤801030R20L6n5.0

DS3/DSZ3

Fifth≤451540R30L10n7.5

NOTE:

1Thelinelengthbetweennodesornodesandhigh-levelnodesshallnotbemorethan0.7times

ofthelinelengthspecifiedinthetable.

2Thetypeoflevelinginstrumentslistedinthetableistheminimumrequirement.

7

3Risthelengthofthemeasuredsection;Listhelengthoftheannexedlevelinglineorclosed

levelingline;ifRandLarelessthan1km,theyaregivenas1km;nisthenumberofstations.

4Whenthenumberofone-waylevelingstationsperkilometernismorethan16,the

misclosureshouldbecalculatedaccordington.

4.3.3Thefifthorderlevelingshallcomplywiththefollowingrequirements:

1Annexedlevelinglinesorclosedlevelinglinesmayuseone-wayobservation.Open

routescanuseforeandreverseobservationorone-waytwinturningpoint

observation.Observationshallbeconductedintheorderof‘back-back-front-front’.

2MaintechnicalrequirementsofthefifthorderlevelingshallcomplywithTable

4.3.3-1.

Table4.3.3-1Maintechnicalrequirementsofthefifthorderleveling

Foreandback

Foreandstadia

MaximumNumberof

backstadiacumulativeHeightof

Typeofinstrumentstadiadistancerepeated

differencedifferenceofsight

(m)observations

(m)stations

(m)

Stadiahair,

Opticallevel150≤20.0≤100.0horizontal—

crosshair

Energy

Digitallevel100≤20.0≤100.0≥2

reading

3Thefifthorderlevelingshoulduseahorizontalcrosshairmethod.Observation

toleranceofthefifthorderlevelingstationshallnotbemorethanthevalues

specifiedinTable4.3.3-2.

Table4.3.3-2Observationtoleranceofthefifthorderlevelingstation(mm)

Differencebetweenheight

DifferencebetweentheTurningpoint

differencebetweentheIntervalpointheight

blackandredreadingsdifferencebetween

blackandredreadingsordifference

ortworeadingsleftandrightroutes

tworeadings

4.06.06.06.0

4.3.4Thelayout,observation,anddatapr