GB 50433-2018 生产建设项目水土保持技术标准：英文

专用

人人文库

NATIONALSTANDARD

OFTHEPEOPLE'SREPUBLICOFCHINA

TECHNICALSTANDARDOFSOILANDWATER

CONSERVATIONFORPRODUCTIONAND

CONSTRUCTIONPROJECTS

GB50433-2018

Developedby：TheMinistryofWaterResourcesofthePeople'sRepublicofChina

Approvedby：TheMinistryofHousingandUrbanRuralDevelopmentofthePeople's

-

RepublicofChina

ImplementationDate：April1，2019

专用

人人文库

ChinaPlanningPress

Beijing2024

ChineseeditionfirstpublishedinthePeoplesRepublicofChinain2018

EnglisheditionfirstpublishedinthePeoplesRepublicofChinain2024

byChinaPlanningPress

th

，，

4FloorCTowerGuohongBuilding

No.A11，Muxidi-Beili，Xicheng专用District

Beijing，100038

PrintedinChinabyBeijinghouchengzemingPrintingTechnologyCo.，Ltd

人人文库

©2018bytheMinistryofHousingandUrban-RuralDevelopmentof

thePeoplesRepublicofChina

Allrightsreserved.Nopartofthispublicationmaybereproducedortransmittedinanyformor

，，，，，，

byanymeansgraphicelectronicormechanicalincludingphotocopyingrecording

oranyinformationstorageandretrievalsystems，withoutwrittenpermissionofthepublisher.

，，，

Thisbookissoldsubjecttotheconditionthatitshallnotbywayoftradeorotherwisebelent

，

resoldhiredoutorotherwisecirculatedwithoutthepublisherspriorconsentinanyformof

blindingorcoverotherthanthatinwhichthisispublishedandwithoutasimilarcondition

includingthisconditionbeingimposedonthesubsequentpurchaser.

ISBN978-7-5182-1707-6

NOTICE

ThisstandardiswritteninChineseandEnglish.TheChinesetextshallbetakenastherulingone

intheeventofanyinconsistencybetweentheChinesetextandtheEnglishtext.

专用

人人文库

IntroductiontoEnglishTranslation

DepartmentofInternationalCooperation，ScienceandTechnology，MinistryofWaterResources，

P.R.China（hereinaftercalledDICST）hasthemandateofmanagingtheformulationandrevisionof

watertechnologystandardsinChina.

TranslationofthisstandardfromChineseintoEnglishisorganizedbyDICSTinaccordancewith

dueproceduresandregulationsapplicableinChina.

TheEnglishtranslationofthisstandardisidenticaltoitsChineseoriginalGB50433-2018，which

wasformulatedandrevisedundertheauspicesofDICST.

TranslationofthisstandardisundertakenbyChinaInstituteofWaterResourcesandHydropower

Research，MonitoringCenterofSoil，WaterConservationofMinistryofWaterResources，Yangtze

RiverScientificResearchInstitute，andChinaSouthtoNorthWaterDiversionCorporationLimited.

--

TranslationtaskforceincludesNINGDuihu，DUPengfei，ZHANGRuiqiang，GAOTianming，

QULiqin，ZHAOYing，ZHANGGuanhua，WANGAijuan，andCHENGFu.

ThisEnglishtranslationisreviewedbyXUZepingandLINNing.

专用

DepartmentofInternationalCooperation，ScienceandTechnology，

MinistryofWaterResources，P.R.China

人人文库

AnnouncementoftheMinistryofHousingandUrban-Rural

DevelopmentofthePeople'sRepublicofChina

［2018］No.255

AnnouncementoftheMinistryofHousingandUrbanRural

-

DevelopmentonPublishingtheNationalStandard

TechnicalStandardofSoilandWaterConservationforProductionand

ConstructionProjects

TechnicalStandardofSoilandWaterConservationforProductionandConstructionProjects

hasbeenapprovedasanationalstandardwithaserialnumberofGB50433-2018，andwillbe

implementedonApril1，2019.Inthisstandard，Articles3.2.3and3.2.5aremandatoryonesandmustbe

implementedstrictly.TheformerTechnicalCodeonSoilandWaterConservationofDevelopment

andConstructionProjectsGB50433-2008willbecancelledandreplacedaccordingly.

Thisstandardisopentothepubliconthewebsiteofthe专用MinistryofHousingandUrbanRural

-

Development（www.mohurd.gov.cn），andispublishedanddistributedbytheChinaPlanningPress

undertheorganizationoftheResearchInstituteofStandardsandNormsoftheMinistryofHousingand

UrbanRuralDevelopment.

-

MinistryofHousing人人文库andUrbanRuralDevelopmentofthePeople'sRepublicofChina

-

November1，2018

Foreword

AccordingtotherequirementsofDocumentJIANBIAO［2014］No.189issuedbytheMinistryof

HousingandUrbanRuralDevelopment（MOHURD）—＂NoticeonPrintingandDistributing'the

-

DevelopmentandRevisionPlanofNationalEngineeringConstructionStandardsin2015'＂，after

extensiveresearch，thestandardpreparationgrouphascarefullysummarizedtheengineeringexperience，

referredtorelevantnationalstandardsandinternationaladvancedstandards，andformulatedthis

standardonthebasisofextensivesolicitationofopinions.

Thestandardconsistsof5chaptersand5appendixes，covering：generalprovisions，terms，basic

requirements，soilandwaterconservationschemes，andrequirementsfordesignofsoilandwater

conservationmeasures，etc.

Themainrevisionsofthisstandardare：

1.Specifyingthetechnicalworkcontentsandtechnicalrequirementsofsoilandwaterconservation

foraproductionandconstructionproject（PCPinbriefhereinafter）andimprovingtherestrictive

stipulationsfortheprincipalpartofaproject（PPPinbriefhereinafter）andspecialstipulationsonareas

withdifferenttypesofsoilerosion；

2.Refiningthecontentsandrequirementsfortheevaluation专用ofsoilandwaterconservation，aswell

asforthelayoutofsoilandwaterconservationmeasures；

3.Updatingthedesignrequirementsofsoilandwaterconservationmeasures；

4.Definingthetasksofeachdesignstage，andlistingtherequirementsforthecontentsinthe

chapterofsoilandwaterconservationinaprefeasibilitystudyreport（projectproposal），thepreparation

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rulesofsoilandwaterconservationscheme，andthecontentsandarrangementofaspecialchapterinthe

preliminarydesignreportofsoilandwaterconservationintoappendixes.

Theprovisionsprintedinboldtypeinthisstandardaremandatoryonesandmustbeimplemented

strictly.人人文库

Thisstandardisunderthejurisdictionof，anditsmandatoryprovisionsareinterpretedbythe

MinistryofHousingandUrbanRuralDevelopment.TheMinistryofWaterResourcesisresponsible

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fortheroutinemanagementofthisstandard.MonitoringCenterofSoilandWaterConservation，the

MinistryofWaterResourcesofthePeople'sRepublicofChina（MWR）isinchargeoftheexplanation

oftechnicalspecifications.Duringimplementationofthisstandard，anycommentsandadvicescanbe

postedorpassedontoMonitoringCenterofSoilandWaterConservation，MWR.（Address：No.2，

BaiguangRoad，XichengDistrict，Beijing.Postcode：100053）.

ChiefDevelopmentOrganization，CoDevelopmentOrganizations，ChiefDrafters，ChiefReviewers

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ofthisstandard：

ChiefDevelopmentOrganization：

MonitoringCenterofSoilandWaterConservation，MWR

Co-DevelopmentOrganizations：

GeneralInstituteofWaterResourcesandHydropowerPlanningandDesign，MWR

ChinaInstituteofWaterResourcesandHydropowerResearch

1··

ChinaRenewableEnergyEngineeringInstitute

PlantDevelopmentandManagementCenterofSoilandWaterConservation，MWR

BeijingWaterandSoilConservationEcologicalEngineeringConsultingCo.，Ltd.

CCTEGBeijingHuayuEngineeringCo.，Ltd.

ShanxiHydroelectricInvestigation&DesignInstituteCo.，Ltd.

HydraulicResearchInstituteofInnerMongoliaAutonomousRegion

ChinaMerchantsChongqingCommunicationsTechnologyResearch&Design

InstituteCo.，Ltd.

POWERCHINAHuaDongEngineeringCorporationLimited

KunmingEngineering&ResearchInstituteofNonferrousMetallurgyCo.，Ltd.

BeijingForestryUniversity

ChiefDrafters：

GUOSuoyanJIANGDewenSHENXuejianZHANGChangyin

GAOXubiaoYUANPujinWANGRuizengZHAOYongjunCHENGFu

KONGDonglianJILinglingLIUXianchunYOUWeiWANGYunzhang

WANGZhiguoWANGXiangdongYUWeiqiWANGSuiquan

YUQuan'enCHENZhengxinSUNZhongfengSHAOXuedong

LIUZhigang

ChiefReviewers：

JIAOJurenCAIJianqinXIEYongsheng专用JIANGHaiboLIRenhua

YUXinxiaoSHUAnpingCAIZhizhouCHENZengqiQINBaishun

PEIHuaWUMiaozhuangXIEGuangwuBAIFengchunSONGJuping

人人文库

2··

Contents

1Generalprovisions………………（1）

2Terms…………………………（2）

3Basicrequirements……………（3）

3.1Generalrequirements……………（3）

3.2Restrictionsonprojects…………（3）

3.3Specialregulationsforareaswithdifferenttypesofsoilerosion………（5）

4Soilandwaterconservationschemes…………（8）

4.1Generalrequirements……………（8）

4.2Investigationandsurvey…………（8）

4.3Evaluationofsoilandwaterconservationforprojects………………（11）

4.4Responsibilityrangeforsoilandwaterconservationandzoningfor

soilerosioncontrol………………（12）

4.5Soilerosionprediction……………（13）

4.6Layoutofsoilandwaterconservationmeasures……………………（14）

4.7Soilandwaterconservationmonitoring……………（17）

5Requirementsfordesignofsoilandwaterconservationmeasures专用……………（19）

5.1Generalrequirements……………（19）

5.2Measuresfortopsoilconservation…………………（20）

5.3Measuresforblockingdregs………………………（20）

5.4Measuresforslopeprotection……………………（21）

5.5Measuresforwaterinterceptionanddrainage………（21）

5.6Measuresforprecipitationstorageandinfiltration……………………（22）

5.7Measuresforlandimprovement…………………人人文库（22）

5.8Measuresforvegetation…………（23）

5.9Temporaryprotectivemeasures…………………（23）

5.10Measuresforwindbreakandsandfixation…………（23）

-

AppendixARequirementsforcontentsofsoilandwaterconservationin

preliminaryfeasibilitystudyreport（projectproposal）………………（25）

AppendixBRequirementsforpreparationofsoilandwaterconservationscheme………………（26）

AppendixCContentsandchaptersarrangementsofspecialreportofsoiland

waterconservationinpreliminarydesign……………（35）

AppendixDIdentificationofsoilandwaterconservationmeasuresforPPPdesign……………（36）

AppendixERequirementsforcontentsanddepthoflayoutoftypicalmeasuresfor

soilandwaterconservation…………（39）

Explanationofwordinginthisstandard……………（41）

Listofquotedstandards……………（42）

1Generalprovisions

1.0.1Thisstandardisformulatedtopreventandcontrolsoilerosioncausedbyproductionand

constructionactivities，protectandrationallyutilizesoilandwaterresources，improveecological

environment，andensuresustainableeconomicandsocialdevelopment.

1.0.2Thisstandardisapplicabletothepreventionandcontrolofsoilerosionintheproductionand

constructionprojects（PCPs）thatmaycausesoilerosionintheprocessofconstructionorproduction.

1.0.3ThepreventionandcontrolofsoilerosioncausedbythePCPsshallsticktotheprinciplesof

focusingonprevention，prioritizingprotection，adaptingtolocalconditions，andbeingsafe，reliable，

technicallyfeasible，andeconomicallyviable，anditisencouragedtoadoptadvancedtechnologies，

innovativetechnics，andnewmaterials.

1.0.4ThetechnologiesofsoilandwaterconservationforthePCPsshallcomplywithnotonlythis

standard，butalsocurrentrelevantstandardsofthenation.

专用

人人文库

1··

2Terms

2.0.1responsibilityrangeforsoilandwaterconservation

Anareawhereaproductionandconstructionentityshallberesponsibleforsoilerosionprevention

andcontrolaccordingtolaws.

2.0.2principalpartofproject（PPP）

Acollectivedefinitionofmainandaffiliatedpartsofaproductionandconstructionproject.

linetypeproductionandconstructionproject（PCP）

2.0.3-

APCPwithalargelayoutspaninlineardistribution.

blocktypeproductionandconstructionproject（PCP）

2.0.4-

APCPwithrelativelyconcentratedlayoutinblockdistribution.

2.0.5constructiveproject

Acompletedprojectwithoutanyfurtherlanddisturbancesuchasexcavation，earth（rock，sand）

borrow，andspoil（rock，dreg，flyash，mullock，tailings）disposalduringitsoperationperiod.

2.0.6constructiveandproductiveproject

Acompletedprojectstillwithlanddisturbancesuchasexcavation，earth（rock，sand）borrow，and

spoil（rock，dreg，flyash，mullock，tailings）disposalduringitsproduction专用period.

2.0.7targetyearofdesign

Theyearthatsoilandwaterconservationmeasuresdeterminedinasoilandwaterconservation

schemeareimplementedandinitiallygeneratebenefits.

人人文库

2··

3Basicrequirements

3.1Generalrequirements

3.1.1ThetechnicalworkofsoilandwaterconservationforthePCPshallmainlyincludethe

compilationofsoilandwaterconservationscheme，soilandwaterconservationmeasuredesign，

construction，supervisionandmonitoring，andtheacceptanceofsoilandwaterconservationfacilities.

ThetechnicalworkofsoilandwaterconservationforthePCPshallbeconductedsimultaneouslywith

eachstageoftheproject.Thesoilandwaterconservationchapterinpreliminaryfeasibilitystudystage

（projectproposal）report，thecontentsofsoilandwaterconservationschemeandthecontentsofthe

specialchapterinthepreliminarydesignreportofsoilandwaterconservationmeasuresshallcomply

withtheprovisionsinAppendixesA，BandC，respectively.

3.1.2ThesoilerosionpreventionandcontrolforthePCPshallmeetthefollowingrequirements：

1Duringthewholeprocessofproject，thedisturbanceanddestructiononoriginaltopographic

features，vegetation，andwatersystemsshallbecontrolledandminimized，andtheoriginalvegetation，

topsoil，crustandsandcrust，lichen，etc.shallbeprotected.Wateruseandlandoccupationshallbe

reducedbyutilizationefficiencyimprovement.

2Preventionandcontrolmeasuressuchasretaining，专用slopeprotection，waterinterceptionand

drainageshallbetakenfortheareasofexcavation，filling，anddisposal.

3Thespoil（rock，dreg）shallbecomprehensivelyutilized，andtheunusableshouldbepiledupin

aspecialstorageplace.

4Temporaryprotectivemeasuresshallbetakenduringcivilconstruction.

5Landremediationshallbetimelycarriedoutforfinishedconstructionsitestorestoreitsutilizing

function.

3.1.3Thesoilerosionprevention人人文库andcontrolforthePCPshallachievethefollowingtargets：

1Increasedsoilerosionintheconstructionscopeofaprojectshallbecontrolledeffectively，and

originalsoilerosionshallbetreated.

2Soilandwaterconservationfacilitiesshallbesafeandefficient.

3Soilandwaterresources，aswellasforestandgrassvegetationshallbeprotectedandrestored

tothegreatestextent.

4Thesixindicatorsincludingthepercentageofcontrolledsoilerosionarea，proportionofsoil

erosioncontrol，percentageofblockeddregsandsoil，percentageofprotectedtopsoil，percentageof

recoveredforestandgrass，andpercentageofforestandgrasscoverageshallmeettherequirementsof

currentnationalstandard，GB/T50434StandardofSoilErosionControlforProductionand

ConstructionProjects.

3.2Restrictionsonprojects

3.2.1Site（line）selectionforthePPPshallavoidthefollowingareas：

1Keyzoneofsoilerosionpreventionandkeyzoneofsoilerosioncontrol.

2Plantprotectionzoneslocatedonbothsidesofrivers，aroundlakesandreservoirs.

3··

3Soilandwaterconservationmonitoringsitesandkeytestareasinthenationalsoilandwater

conservationmonitoringnetwork，andlongtermfixedobservationstationsdeterminedbythenational

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government.

3.2.2Constructionschemeshallmeetthefollowingrequirements：

1Forhighwaysorrailwayssectionswithmassivefillingordeepexcavation，morebridgesand

tunnelsshallbeusedinordertominimizefillingandexcavation.Analternativeplanforusingbridgesor

tunnelsshallbestudiedifthefillingheightisgreaterthan20mortheexcavationdepthgreaterthan30m.

Onthepremiseofensuringslopestability，vegetationprotectionmeasuresorcombinedprotection

solutionofvegetationandengineeringshallbetakenforembankmentortrench.

2Constructionprojectsincityandtownshalladopthigherstandardofvegetationplanting，

emphasizelandscapeeffects，andbeequippedwithirrigation，drainageandrainwaterutilizationfacilities.

3Thetowerbaseofpowertransmissionprojectinhillyregionsshalladoptunequalheight

foundation.Atransmissiontowerpassingthroughaforestzoneshallbeheightened.

4ForthePCPthatcannotavoidthekeyzoneofsoilerosionpreventionorthekeyzoneofsoil

erosioncontrol，constructionschemeshallmeetthefollowingrequirements：

1）Theschemeshallbeoptimizedtominimizelandoccupationandearthwork.Highways，

railwaysandotherprojectswithfillingheightgreaterthan8mshouldadoptbridgescheme.

Pipelinecrossingengineeringshouldadopttheschemeoftunneling，directionaldrilling，or

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pipejacking.Industrialsitesinhillyregionsshouldadoptsteplayoutwithpriority.

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2）Engineeringgradeandfloodcontrolstandardforwater专用interceptionanddrainageprojectsand

blockingengineeringshallbeupgradedbyonelevel.

3）Facilitiesforrainwatercollectionandstorage，andsedimentdepositionshouldbearranged.

4）Vegetationmeasuresstandardshallbeupgraded.Thepercentageofforestandgrasscoverage

shallbeincreasedby1%to2%.

3.2.3Earth（rock，sand）borrowsitesmustnotbelocatedincollapseandlandslideriskareasand

debrisflowproneareas.

3.2.4Thelocatingofearth（rock，人人文库sand）borrowsitesshallmeetthefollowingrequirements：

1Meettherequirementsinurbanandscenicspotplanning，andcoordinatewithsurrounding

landscape.

2Meettherelatedrequirementsofrivermanagementifearth（rock，sand）isborrowedfromriver

course.

3Considerlandusecomprehensivelyafterearth（rock，sand）borrow.

3.2.5Spoil（rock，dreg，flyash，mullock，tailings）fieldsmustnotbesetupinregionsthathave

significantimpactsonpublicfacilities，infrastructures，industrialenterprises，andresidential

areas，etc.

3.2.6Thelocatingofspoil（rock，dreg，flyash，mullock，tailings）fieldsshallmeetthefollowing

requirements：

1Forprojectsinvolvingrivercourses，disposalsiteslocatingshallfollowtherequirementsof

floodcontrolplanningandrivercourseregulationlines，anddisposalsitesshallnotbelocatedinthe

controlareasofrivercourses，lakesorreservoirs.

2Forprojectsinhillyregions，disposalsitesshouldbelocatedindesolategullies，concave

groundsorbranchgullies.Forprojectsinplains，disposalsitesshouldbelocatedinconcavegroundsor

4··

barelands.Forprojectsinwinderosionregions，disposalsitesshouldavoidwindvents.

3Earth（rock，sand）borrowsites，abandonedminingpitsandsubsidenceareasshallbefully

utilized.

4Landuseshallbecomprehensivelyconsideredafterspoil（rock，dreg，flyash，mullock，tailings）

disposal.

3.2.7Constructionorganizationdesignshallmeetthefollowingrequirements：

1Minimizelandoccupationforconstructionsites，andavoidareaswithconsiderablevegetation

coverageandbasicfarmlandarea.

2Scheduleconstructionrationally，avoidrepeatedexcavationandrepeatedtransport，and

minimizeexposedtimeandscope.

Designspecialfacilitiessuchasdregaqueducts，dregchutes，etc.toexportexcavatedearthrock

3-

ifexcavationisonthesteepslopesofriverbanks，orifthereareriverchannels，highways，railways，

residentialareas，andotherimportantinfrastructureunderexcavationslopes.

4Sortandstackabandonedearth，rockanddreg.

5Useabandonedearth（rock，dreg）byotherprojectswithpriorityasborrowearthandrock，or

selectsupplierswithcompliantborrowareaforpurchasedearth（rock，material）.

Excavatestepwiseandcontrolexcavationdepthforlargescaleborrowpits.Andcontrol

6-

chargingquantityandblastingrangeforblastingexcavation.

7Divideprojectsectionsinconsiderationofrationalearthworkallocationtoreduceearth（rock）

borrowandspoil（rock，dreg），andtominimizetemporaryland专用occupation.

3.2.8Engineeringconstructionshallmeetthefollowingrequirements：

1Constructionactivitiesshallbeconstrainedwithinthedesignedtemporaryroadsandsitesfor

construction.

2Atthebeginningofconstruction，topsoilshallbestrippedorprotectedfirst.Thestripped

topsoilshallbepiledupwithprotectionmeasures.

3Exposedlandsurfaceshallbeprotectedintimetoshortenexposuretime.Timelyexcavation，

delivery，fillingandcompactionshall人人文库bedoneforearthworkfilling.

4Temporarilystockedearth（rock，dreg）shallbepiledup，andtemporarymeasuressuchas

blocking，covering，drainage，sedimentation，etc.，shallbetaken.

5Mudproducedduringconstructionshallbedepositedfirstthroughsettingbasinandthenbe

treatedwithothermeasures.

6Effectivemeasuresshallbetakenduringcofferdamfillingandremovaltoreducesoilloss.

7Blockingmeasuresforspoil（rock，dreg）fieldsshallbetakeninadvance，andspoil（rock，dreg）

shallbeplacedinorder.

8Measuresforwaterinterceptionanddrainage，andsedimentdepositionshallbetakenbefore

earth（rock，sand）borrowsitesexcavation.

9Protectivemeasuresshallbetakentoavoidspillinginthetransportationofearth（rock，

material，dregandmullock）.

3.3Specialregulationsforareaswithdifferenttypesofsoilerosion

3.3.1IntheblacksoilregionofNortheasternChina，thefollowingrequirementsshallbesatisfied：

1Blacksoilresourcesshallbeprotectedandrationallyutilized.

5··

2Inhillyregions，runoffdrainagesystemshouldbearrangedonslopes.

3Forprotectivemeasures，theeffectsoffreezingdamageshallbeconsidered.

3.3.2InsandstormregionofNorthernChina，thefollowingrequirementsshallbesatisfied：

1Thescopeofconstructiondisturbanceshallbecontrolledtoprotectsurfacecrust，sandcrust，

anddesertpavement.

2Measures，suchasgravel（rubble，cobble）stonecovering，sandbarrier，plantsandfixation，

chemicalconsolidation，etc.，maybetakentopreventandcontrolwinderosion.

3Vegetationmeasuresshouldbeequippedwithirrigationfacilities.

IntheearthrockmountainregionofNorthernChina，thefollowingrequirementsshallbe

3.3.3-

satisfied：

1Soilresourcesshallbereservedandcomprehensivelyutilized.

2Waterconservationmeasuresshallbetakenintheupstreamwaterconservationareasofrivers.

3.3.4IntheLoessPlateauregionofNorthwestChina，thefollowingrequirementsshallbesatisfied：

1Waterinterceptionanddrainage，aswellasdrainageconnectionandenergydissipation

measuresshallbetakenonslopes.

2Rainwatercollectionandutilizationfacilitiesshouldbearranged.

3.3.5IntheredsoilregionofSouthernChina，thefollowingrequirementsshallbesatisfied：

1Runoffdrainagesystemsshallbearrangedonslopesurfacetopreventdisasterssuchas

Benggang①，landslide，etc.

2Emergencyprotectionmeasuresshallbetakenforrainstorm专用andtyphoon.

3.3.6InthepurplesoilregionofSouthwesternChina，thefollowingrequirementsshallbesatisfied：

1Attentionshallbepaidtofloodcontrol，drainageandretainingmeasuresforspoil（rock，dreg）

fields.

2Waterconservationmeasuresshallbetakenintheupstreamwaterconservationareasofrivers.

3.3.7InthekarstregionofSouthwesternChina，thefollowingrequirementsshallbesatisfied：

1Soilresourcesshallbereservedandcomprehensivelyutilized.

2Undergroundstreamsystem人人文库suchasundergroundriversandkarstcavesshallnotbedestroyed.

IntheQinghaiXizangPlateauRegion，thefollowingrequirementsshallbesatisfied：

3.3.8-

1Disturbanceareaduringconstructionshallbestrictlyminimizedtoprotectlandsurfaceand

vegetation.

2Attentionshallbepaidtothestripping，protectionandutilizationoftheturfinplateaumeadow

areas.

3Forprotectivemeasures，theeffectsoffreezingdamageshallbeconsidered.

3.3.9Inplainregions，thefollowingrequirementsshallbesatisfied：

1Thesoilincultivatedlayershallbereservedandutilized.

2Sedimenttrappingmeasuresshallbetakentoavoidriverchannelsiltation.

3Theexcavationofearth（rock，sand）borrowsitesshouldbewideandshallow，andattention

shallbepaidtomeasuresforrestorationandutilization.

4Measuressuchasoptimizationofdesignedelevationofsitesandroadsurfaceshallbetakento

reducethevolumeofborrowedearthandrock.

①Aspecialtypeofgullyerosion，associatedwithapermanentcollapsinggullyonalowhillslopedevelopedfromgraniteredsoil，ispres-

entinSouthernChina.

6··

3.3.10Inurbanregions，thefollowingrequirementsshallbesatisfied：

1Measures，suchassunkenlawns，permeablepavement，etc.，shallbetakentoincrease

precipitationinfiltration.

2Surfacerunoffshallbecomprehensivelyutilizedbysettinguprainwaterandfloodutilization

andstoragefacilitiessuchasimpoundingpools.

3Measures，suchasblocking，covering，drainage，andsedimentationshallbetakenfor

temporarilystockedearth（rock，dreg）.Topreventflyingdustandsiltfromenteringmunicipalpipeline

network，thecompartmentsofvehiclestransportingsoilanddregshallbecoveredwiththeirwheels

washed.

4Thedisposalofborrowedearth（rock，sand）andspoil（rock，dreg）shouldbemanaged

coordinatelywithotherrelatedconstructionprojects.

专用

人人文库

7··

4Soilandwaterconservationschemes

4.1Generalrequirements

4.1.1Themaincontentsofsoilandwaterconservationschemeshallincludethebriefintroductionofa

projectandtheprojectarea，theevaluationofsoilandwaterconservationfortheproject，soilerosion

prediction，layoutofsoilandwaterconservationmeasures，andinvestmentestimationofsoilandwater

conservation.

4.1.2Soilandwaterconservationschemeshallspecifytherangeofresponsibilityandobjectivesfor

thesoilerosionpreventionandcontroloftheproject.

4.1.3ThetargetyearofdesignshallbethecompletionyearofthePPPorthefollowingyear，whichis

determinedcomprehensivelyaccordingtothecompletiondateofthePPPandtheimplementation

progressofsoilandwaterconservationmeasures.

4.1.4Thenationalpolicyforsoilandwaterconservationshallbeimplementedinformulatingsoiland

waterconservationscheme，whichshallfollowtheprinciplesof＂adjustmeasurestolocalconditions，

applypreventionandcontrolmeasuresindifferentareas，takeoverallconsideration，payattentionto

ecology，betechnicallyfeasibleandeconomicallyreasonable，linkupwithprincipalprojects，and

coordinatewithsurroundingenvironment＂.专用

4.2Investigationandsurvey

4.2.1Investigationitemsshallincludethebasicinformationofaproject，projectcomponentandlayout，

constructionorganization，landoccupation，earthworkbalance，projectinvestment，construction

schedule，removalorresettlement，specialfacilitiesreconstructionorrelocation，andspoil（rock，dreg，fly

ash，mullock，tailings）duringproductionprocessanditsdisposalplan.Meanwhile，theinvestigation

shallsatisfythefollowingrequirements人人文库：

1Thebasicinformationofaprojectshallincludeprojectnameandlocation，constructionnature

andtask，engineeringgradeandscale，totalinvestmentandinvestmentforcivilworks，construction

period，etc.

2Projectcomponentandengineeringlayoutshallincludethefollowingitems：

1）Basiccontentsofprojectconstruction，thename，constructionscale，horizontalandvertical

layoutofsinglework.Foraprojectwithdependencyrelationship，therelevantsituationofthe

dependencyprojectshallbeinvestigated.

2）Powersupplysystem，watersupplyanddrainagesystem，communicationsystem，andinternal

andexternaltransportation，etc.

3Constructionorganizationshallincludethefollowingitems：

1）Thelocation，quantity，landoccupation，etc.ofproductionandlivingareas.

2）Thelocation，length，width，landoccupation，etc.oftemporaryroadsforconstruction.

3）Watersourceandarrangementofwatersupplysystem，theirlandoccupation，etc.，aswellas

powersourceandarrangementofpowersupplyfacilities，andtheirlandoccupation，etc.for

-

construction.

8··

4）Thelocationsofearth（rock，sand）borrowsites，topographicalconditions，borrowedquantity

ofearth（rock，sand），landoccupation，etc.

5）Thelocations，topographicalconditions，capacityandcatchmentareaofspoil（rock，dreg）

fields，quantityandlandoccupationofspoil（rock，dreg），aswellasimportantfacilitiesand

residentialareasdownstreamofthesites.

6）Earthworkconstructionmethodsandtechnicsforlandpreparation，foundationexcavation，

roadbedconstruction，trenchexcavationandfillingforpipelaying，etc.relatedtosoilandwater

conservation.

4Accordingtotheprojectcomponentandconstructionorganization，thelandoccupationarea，

natureandtypeoftheprojectshallbecollectedandrecheckedonsite.

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5Accordingtotheprojectcomponentandconstructionorganization，thevolumesofexcavation，

filling，borrow（indicatingsource），andsurplus（indicatingdestination）andtheallocationsituationof

earthworkbalanceshallbecollectedandrecheckedbyzones.

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6Demolitionandrelocation（resettlement）shallincludetherelocationscaleandmode.Special

facilitiesreconstruction（relocation）shallincludeitscontents，scale，andscheme.

7Projectinvestmentshallincludetotalinvestment，civilworksinvestment，capitalcomposition

andsource.

8Constructionscheduleshallincludetotalconstructionperiod（includingpreparationperiod），

commencementdate，completiondate，andworkprogressofzonedorsegmentedengineering.

9Thetreatmentplanofdisposedearth（rock，dreg，fly专用ash，mullock，tailings）fromproduction

shallincludeitssource，quantity，category，anddisposalmode.

4.2.2Projectinvestigationmayusethemethodofdatacollectionandfieldinvestigation.

4.2.3Thedetailsofprojectinvestigationshallmeetthefollowingrequirements：

1Topographicmap（withascaleofnolessthan1∶10000）andremotesensingimagedatashall

becollectedforspoil（rock，dreg，flyash，mullock，tailings）fields.Therangeoftopographicmapshall

meettherequirementsoncatchmentareacalculationofearth（rock，dreg，flyash，mullock，tailings）

disposalarea，andcanreflectdownstream人人文库topographicalfeatures.Forearth（rock，dreg，flyash，mullock，

tailings）disposalsiteswithcapacityabove100000m3，relevantengineeringgeologicaldatashallbe

collected.

2Fortheearth（rock，sand）borrowsiteswithacapacityabove100000m3，topographicmap

（withascaleofnolessthan1∶10000）andengineeringgeologicaldatashallbecollected.

4.2.4Projectinvestigationresultsshallbepresentedinaccordancewiththefollowingrequirements：

1Drawingsshallincludethegenerallayoutandplanlayoutofaproject.Drawingsoflinearly

arrangedprojectssuchashighways，railways，etc.shallalsoincludeplanesectionandlongitudinal

sketches，aswellasthetypicalsectiondrawings.

2Thenature，typeandareaofthelandoccupationofaprojectshallbeillustratedrespectively

accordingtotheprojectcomponentandtheadministrativedistrictofcountylevel，andthetableoftotal

landoccupationshallbelisted.Landoccupationtypesshallbeclassifiedaccordingtorelevant

requirementsofcurrentnationalstandard，GB/T21010CurrentLandUseClassificationandsoiland

waterconservationrequirements.

3Earthworkbalancesheetshallbelisted，andflowdiagramshallbedrawn.Topsoilbalanceshall

becalculatedseparately，andabalancesheetshallbeproduced.

9··

4Locationmapshallbeattachedforearth（rock，sand）borrowsitesandspoil（rock，dreg）fields.

4.2.5Theinvestigationandsurveyofaprojectareashallincludegeneralnaturalconditions，thecurrent

situationofsoilerosion，thesensitiveareaofsoilandwaterconservation，etc.，andshallsatisfythe

followingrequirements：

1Generalnaturalconditionsshallincludetopography，geomorphology，geology，meteorology，

hydrology，soilandvegetationoftheprojectarea，andshallmeetthefollowingrequirements：

1）Topographyandgeomorphologyinvestigationshallincludethetopographicfeaturesand

geomorphictypesoftheprojectarea，aswellasgroundslope，elevationandsurfacematerial

composition，etc.withintheprojectsite.

2）Geologicalinvestigationshallmainlyincludethedepthofgroundwater，andharmfulgeological

conditionssuchaslandslide，collapse，debrisflow，etc.withintheprojectsite.

3）Meteorologicalinvestigationshallincludetheclimatetype，annualmeanairtemperature，

accumulatedtemperaturegreaterthanorequalto10℃，annualevaporation，annual

precipitation，frostfreeperiod，annualmeanwindspeedandpredominantwinddirection，gale

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days，periodsofrainyseason，periodsofwindyseason，themaximumdepthoffrozenground，

etc.intheareawheretheprojectislocated.

4）Hydrologicalinvestigationshallincludethenamesandscalesofwatershed，riversandlakes，

waterfunctionzoning，tidalconditions，etc.intheareawheretheprojectislocated.Thewater

level，discharge，floodcontrolplanning，etc.ofcorrespondingrivers（gullies）shallbe

investigatedifadregdisposalareainvolvesrivers（gullies专用）.

5）Soilinvestigationshallincludethesoiltypesoftheprojectarea，andthethicknessoftopsoil，

strippablerangeandareawithinthelandoccupationareaoftheproject.

6）Vegetationinvestigationshallincludethevegetationtype，mainnativetreeandgrassspecies

andgrowthsituation，andpercentageofforestandgrasscoverageintheprojectarea.

2Theinvestigationofcurrentsoilerosionsituationshallincludesoilerosiontypes，intensityand

modulus，andsoillosstoleranceoftheprojectarea.

3Theinvestigationofsensitive人人文库areaofsoilandwaterconservationshallincludewhetherthe

projectareainvolveskeyzonesofsoilerosionpreventionandcontrol，conservationregionsofdrinking

watersource，protectedandreservedareasoftheprimarywaterfunctioningregions，naturereserves，

worldculturalandnaturalheritagesites，scenicareas，geologicalparks，forestparksandimportant

wetlands.Fortheprojectinvolvingtheabovementionedregions，thepositionrelationshipbetweenthe

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regionandtheprojectshallbestated.

4.2.6Theinvestigationofprojectareashalladoptthemethodofcombiningdatacollectionandfield

survey.Thethicknessoftopsoilwithintheprojectareashallbemeasured.

4.2.7Detailsofprojectareainvestigationandsurveyshallmeetthefollowingrequirements：

1Thescaleoftopographicmapusedfortheinvestigationofprojectareashallbenolessthan

1∶50000.

2Recenthydrologicalandmeteorologicaldatashallbetaken，andtheirsequenceperiodshallbe

over30years.

4.2.8Theinvestigationandsurveyresultsofprojectareashallmeetthefollowingrequirements：

ForblocktypePCP，generalnaturalprofileshallbeexpressedinunitsoftownsorcounties

1-

level，whileforlineartypePCP，itshallbeexpressedinunitsofcountiesorcities.

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10··

2Mapsofwatersystemofprojectarea，keyzonesofsoilerosionprevention，keyzonesofsoil

erosioncontrolandsoilerosionintensitydistributionshallbecollected.

4.3Evaluationofsoilandwaterconservationforprojects

4.3.1Theevaluationofsoilandwaterconservationforprojectsshallincludeassessmentonsite（line）

selection，constructionschemeandlayout.

4.3.2Thesite（line）selectionevaluationforthePPPshallmeettherequirementofArticle3.2.1in

thisstandard.

4.3.3Theevaluationofconstructionschemeandlayoutshallbeconductedfromtheperspectiveofsoil

andwaterconservationforthefollowingitemsonebyone：theconstructionscheme，landoccupation，

earthworkbalance，arrangementofearth（rock，sand）borrowsitesandspoil（rock，dreg，flyash，

mullock，tailings）fields，constructionmethodandtechnique，andtheworkswithsoilandwater

conservationfunctionsinthePPPdesign.

4.3.4ConstructionschemeevaluationshallmeettherequirementofArticle3.2.2inthisstandard.

4.3.5Thelandoccupationevaluationofaprojectshallmeetthefollowingrequirements：

1Theareaanddisturbanceshallbeminimizedconcerninglandoccupation.

2Temporaryoccupiedlandshallmeettherequirementsofconstruction.

4.3.6Theevaluationofearthworkbalanceshallmeetthefollowingrequirements：

1Quantityofearthworkexcavationandfillingshallbeoptimized.

2Earthworkallocationshallcomplywiththeprinciples专用ofreasonablesegmentation，feasible

scheduleandtransportdistance.

3Comprehensiveutilizationofsurplusearthworkshallbeconsideredfirst.

4TherequirementsofItems5and7inArticle3.2.7inthisstandardshallbemet.

4.3.7Theevaluationaboutthearrangementofearth（rock，gravel）borrowsitesshallmeetthe

requirementsofArticles3.2.3and3.2.4inthisstandard.

4.3.8Theevaluationaboutthearrangementofspoil（rock，dreg，flyash，mullock，tailings）fieldsshall

meettherequirementsofArticles3.2.5人人文库and3.2.6inthisstandard.

4.3.9Theevaluationofconstructionmethodandtechniqueshallmeetthefollowingrequirements：

1Soilerosionshallbeminimized.

2Ifitisnotspecifiedclearlyinengineeringdesign，therequirementsforsoilandwaterconservation

shallbeadded.

4.3.10Theevaluationoftheworkswithsoilandwaterconservationfunctionsinthe