尾矿库在线安全监测系统工程技术规范

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Foreword

AccordingtotherequirementsofDocumentJIANBIAO[2013]No.6,issuedbytheMinistryofHousingandUrban-RuralDevelopmentofthePeople'sRepublicofChina(MOHURD)-"NoticeonPrintingandDistributingtheDevelopmentandRevisionPlanofNationalEngineeringConstructionStandardsandCodesin2013".ThiscodewasformulatedbyTheManagementOfficeofStandardsandNormsforEngineeringConstructionoftheChinaNon-ferrousMetalIndustryandChinaNonferrousMetalChangshaSurveyandDesignInstituteCo.,Ltd.jointedwithrelevantorganizations.

Duringtheprocessofpreparingthiscode,thepreparationgroupinvestigatedandsummarizedthepracticalexperienceofonlinesafetymonitoringoftailingspondinChinainrecentyears,absorbedrelevantscientificandtechnologicalachievementsathomeandabroad,carriedoutspecialstudiesandformedspecialresearchreports.Thenthecodewasfinalizedfollowingthoroughsolicitationofopinions,multiplediscussions,revisions,refinements,andafinalreview.

Thiscodeconsiststenchaptersandfiveappendices,covering:generalprovisions,termsandsymbols,basicrequirements,monitoringsystem,on-siteinspectionandexamination,manualsafetymonitoring,onlinesafetymonitoring,onlinesafetymonitoringsystemintegration,dataanalysisandearlywarning,projectacceptance,operationandmaintenance,dataarchiving,etc.

Theprovisionprintedinboldtypeismandatoryoneandmustbeimplementedstrictly.

Thecodeisunderthejurisdictionof,anditsmandatoryprovisionsareinterpretedbytheMinistryofHousingandUrban-RuralDevelopmentofthePeople'sRepublicofChina.TheManagementOfficeofStandardsandNormsforEngineeringConstructionofChinaNonferrousMetalIndustryisresponsiblefortheroutinemanagement;ChinaNonferrousMetalChangshaSurveyandDesignInstituteCo.,Ltdlisinchargeoftheexplanationoftechnicalspecifications.Duringtheimplementationofthiscode,incaseofanymodificationorsupplement,pleasesendthecommentsandsuggestionstoChinaNonferrousMetalChangshaSurveyandDesignInstituteCo.,Ltd.(Address:No.81ShaoshanNorthRoad,FurongDistrict,ChangshaCity,HunanProvince,PostalCode:410011)forreferenceinthefuturerevisions.

ChiefDevelopmentOrganizations,Co-DevelopmentOrganizations,ChiefDraftersandChiefReviewersofthiscode:

ChiefDevelopmentOrganizations:

ManagementofficeofStandardsandNormsforEngineeringConstructionofChinaNonferrousMetalIndustry

ChinaNonferrousMetalChangshaSurveyandDesignInstituteCo.,Ltd.

Co-DevelopmentOrganizations:

ChinaENFIEngineeringCo.,Ltd.

Xi'anEngineeringInvestigationandDesignResearchInstituteofChinaNationalNonferrousMetalsIndustryCo.,Ltd.

SinosteelMaanshanGeneralInstituteofMiningResearchCo.,Ltd.

LiaoningNon-ferrousGeologicalExploration

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ResearchInstituteKunmingProspectingDesignInstituteofChinaNonferrousmetalsIndustryCo.,Ltd.

CINFEngineeringCo.,Ltd.

WuhanSurveying-GeotechnicalResearchInstituteCo.,Ltd.ofChinaMetallurgicalGroupCorporation

GuangzhouHi-TargetNavigationTechCo.,Ltd.

YunnanMiningEngineeringCo.,Ltd.of14thMetallurgicalConstructionGroupCorporation

WuhanUniversity

YunnanCopperGroupCo.,Ltd.

ChiefDrafters:

DUNianchunCAOLingyunZHANGDongcaiYUHaoDENGFeiSHIHualinXIANGHaiboCENJianCHENMengliCHENDianqiangLILianxinLIXiongZHOUYuxinLUOShujiangJINYanHAOZheGUOTianyongXUMumingCHANGJunfengPENGYuansheng

XIEDonghuiDONGZhongji

ChiefReviewers:

TIANWenqiYANXuejunZOUZhengrongWANGLizhongTENGZhiguo

LIMingyangLIUWenlianLIUNingLIChaokuiCAOQuangen

YANGGuorong

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Contents

1Generalprovisions (1)

2Termsandsymbols (2)

2.1Tems (2)

2.2Symbols (3)

2.3Abreviations (3)

3Basicrequirements (4)

3.1Safetymonitoringrequirements (4)

3.2Tailingspondclassification (4)

3.3Safetymonitoringlevel (6)

3.4Safetymonitoringitems (6)

4Monitoringsystem (9)

4.1Generalrequirements (9)

4.2Initialdesigndata (10)

4.3Monitoringprofilesandmonitoingponsarangement (11)

4.4Monitoringequipments (13)

4.5Monitoringfrequency (15)

4.6Technicalrequirements (15)

5On-siteinspectionandexamination,manualsafetymonitoring (17)

5.1Generalregnurements (17)

5.2nsieisecionandeaminaion (17)

5.3Manualsafetymonitoring (19)

6Onlinesafetymonitoring (27)

6.1Generalrequirements (27)

6.2Monitoringoftailingsdamdisplacement (27)

6.3Monitoringofseepage (30)

6.4Monitoringoftailingspondlevel (32)

6.5Monitoringofdrybeach (33)

6.6Monitoringofprecipitation (34)

6.7Monitoringofdrainage (35)

6.8Monitoringandcontroloftailingspond (35)

6.9Monitoringofgeologicallandslidebodyfortailingspond (36)

7Onlinesafetymonitoringsystemintegration (37)

7.1Generalrequirements (37)

7.2Monitoringandmanagementstation,monitoringcentre (37)

7.3Communicationnetworks (38)

7.4Powersupply (38)

7.5Lightningprotection (39)

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7.6Systemdebugging (39)

8Dataanalysisandearlywarning (40)

8.1Generalrequirements (40)

8.2Dataprocessingandanalysis (40)

8.3Monitoringandearlywarning (41)

8.4Informationfeedback (43)

9Projectacceptance (44)

10Operationandmaintenance,dataarchiving (45)

AppendixAOn-siteinspectionandexamination (46)

AppendixBMonitoringoftailingsdamsurfacedisplacement (47)

AppendixCMonitoringoftailingsdaminternaldisplacement (49)

AppendixDMonitoringofseepage (52)

AppendixEMonitoringofprecipitation (57)

Explanationofwordinginthiscode (60)

Listofquotedstandards (61)

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1Generalprovisions

1.0.1Thiscodeispreparedwithaviewtounifytheengineeringtechnicalrequirementsfortheonlinesafetymonitoringsystemoftailingsponds,ensuringthequalityofmonitoring.Inaimstoensuringthatitissafeandapplicable,technologicallyadvanced,economicallyreasonable,environmentallyfriendly,andreliableinoperation,realizingthesafetyearlywarningandguaranteeingthesafeoperationoftailingsponds.

1.0.2Thiscodeisapplicabletotheonlinesafetymonitoringfortailingspondsofmetalandnon-metalmine,redmudpond,andmanganeseslagpond.

1.0.3Inadditiontotherequirementsstipulatedinthiscode,theonlinesafetymonitoringoftailingspondsshallalsocomplywiththosespecifiedinthecurrentrelevantstandardsofthenation.

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2Termsandsymbols

2.1Terms

2.1.1Onlinesafetymonitoringsystemoftailingspond

Theall-weatherautomaticallysafetymonitoringsystemoftailingspondincludingmonitoring,analyzingandearlywarningbyengineeringmeasurement,networkcommumicationandcomputertechnologybasedonelectronicmonitoringinstruments,sensors,powersupply,communicationandotherfacilitiesarearrangedontailingspondarea,tailingsdams,flooddrainagefacilitiesandotherstructures.

2.1.2Onlinesafetymonitoring

Adoptnetworkcommunication,intelligentcontrolandcomputertechnologytocontinuouslyandautomaticallymonitorthesafetystatusoftailingspondthroughmonitoringequipment.

2.1.3Manualsafetymonitoring

Adoptmanualmethodtoregularlymonitorthesafetystatusoftailingspondthroughmonitoringequipment.

2.1.4On-siteinspectionandexamination

On-siteinspectionandexaminationforfacilities,equipmentandsurroundingenvironmentoftailingspondbymanagementpersonnell

2.1.5Monitoringcenter

Acentralcontrolsitewherecomputers,onlinesafetymonitoringsoftware,communications,powersupply,datastorage,/displayscreensandotherrelatedexternalequipmentareinstalled.

2.1.6Dataacquisitionunit

Adevicefordatacollectionwithacertaindatacolectionmethod.

2.1.7Longitudinalprofile

Aprofilewhichisparalleltotheaxisofthedam.

2.1.8Transverseprofile

Aprofilewhichisperpendiculartotheaxisofthedam.

2.1.9Verticalline

Themonitoringlinealongtheplumbline.

2.1.10Monitoringpoint

Anobservationpointwhichisplacedonthemonitoringobjectandcanreflectitschangingcharacteristicsorreal-timestatus.

2.1.11Referencepoint

Astablemeasurementcontrolpointwhichisarrangedfordeformationmonitoringandneedstobestoredforalongtime.

2.1.12Workingreferencepoint

Astablemeasurementcontrolpointwhichisarrangedfordirectobservationofdeformationmonitoringpointsonsite.

2.1.13Monitoringstation

Asitewheredataacquisitionequipmentorjunctionboxisinstalled.

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2.1.14Frequencyofmonitoring

Thenumberofmonitoringperunittime.

2.1.15Early-warningthreshold

Anearlywarningvaluewhichissetforpossibleabnormalitiesanddangersofthemonitoredobjectstoensurethesafetyoftailingspondandthesurroundingenvironment.

2.1.16Surfacedisplacement

Thehorizontalandverticaldeformationsthatoccurredonthesurfaceofthemonitoredobject.

2.1.17Internaldisplacement

Thehorizontalandverticaldeformationsthatoccurredinsidethemonitoredobject.

2.1.18Dataanalysis

Aprocessofclassifying,calculating,comparing,synthesizingandjudgingvariousmonitoringdata,technicaldataandotherinformationbyusingaseriesofrulesandmethods.

2.1.19Informationfeedback

Aprocessoftailingspondonlinesafetymonitoringsystem'soutputdataandinformationfeedbacktorelevantmanagementpersonnelandmonitoringsysteminoneorseveralways.

2.2Symbols

b—Widthofthecutbottomofthemeasuringweir.

D—MeasuringlengthoftotalstationordistancebetweentwoGNSSobservationpoints.

H—Heightoftailingsdamorwaterlevelofthemeasuringweir.

n—Numberoflevelingmeasuringstations.

Q—Seepageflow.

V—Wholestoragecapacityoftailingspond.

2.3Abbreviations

GNSSGlobalNavigationSatelliteSystem

PDOPPositionDilutionofPrecision

RTKRealTimeKinematic

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3Basicrequirements

3.1Safetymonitoringrequirements

3.1.1Theonlinesafetymonitoringsystemoftailingspondshalloperateeffectively.

3.1.2Theonlinesafetymonitoringoftailingspondshallcomplywithmanualsafetymonitoringmethodsandfrequencies.

3.1.3Theonlinesafetymonitoringsystemfortailingspondshalconductcomprehensiveanalysis,managementandinformationreleaseofonlinesafetymonitoringresults,on-siteinspectionsandmanualsafetymonitoringresults.

3.1.4Tailingspondshallselectitsmonitoringitemsandmonitoringlevelsaccordingtodesignclass,constructionmethodsoftailingsdam,tailingsdischargemethods,pollutionnatureoftailingsandtailingswater,topographicandgeologicalconditions,andgeographicalenvironment,etc.

3.1.5Fortheonlineandoffline(manual)safetymonitoringoftailingspond,theengineeringcoordinatesystemshallbeadoptedwheretheaxisofdamisregardedastheXaxis,andtheleftbankwhenfacingtowardstheouterdamslopeisthepositivedirection;wherefortheYaxis,itisperpendiculartotheaxisofdam,andtheouterdamslopeisatthepositivedirection;wherethepositivedirectionofZaxisshallbetheplumblinedownwarddirection.

3.1.6Thesafetymonitoringandearlywarninginformationoftailingspondmustbereportedimmediatelytotheproductionsafetymanagementdepartmentoftailingspondenterprise.Latentdangerinvestigationandhandlingmustbedoneunderthecircumstancesthattailingspondsafetymonitoringitemisintheorangealertlevel;emergencyhandlingmeasuresmustbetakenunderthecircumstancesthattailingspondsafetymonitoringitemisintheredalertlevel.

3.2Tailingspondclassification

3.2.1ThedesignclassoftailingspondduringitsserviceperiodshallbedeterminedbythewholestoragecapacityofthistimeandthedamheightuponTable3.2.1,andshallbeinaccordancewiththefollowingrequirements:

1Thehigheroneshallprevailunderthecircumstancesthatthearithmeticdifferenceoftailingspondclassdeterminedaccordingtothewholestoragecapacityanddamheightofthetailingpondistheoneclass.

2Theclassshallbedeterminedasthehigherclassminusoneunderthecircumstancesthatthearithmeticdifferenceislargerthanoneclass.Whiletailingsarestoredinabandonedopen-pitsandconcaveground,andnotailingsdamarebuiltinthesurroundingarea,theclassmaybenotdetermined.

Table3.2.1Designclassoftailingspondineachuseperiod

Tailingspondclass

WholestoragecapacityV(10000m³)

DamheightH(m)

Firstclass

V≥50000

H≥200

Secondclass

10000≤V<50000

100≤H<200

Thirdclass

1000≤V<10000

60≤H<100

Fourthclass

100≤V<1000

30≤H<60

Fifthclass

V<100

H<30

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3Whilebuildingatailingsdam,tailingspondclassshallbedeterminedaccordingtothedamheightandstoragecapacityoftailingspond.Exceptforthefirst-classstorage,theonesthatmaycauseseriousdisasterstomajordownstreamtowns,industrialandminingenterprises,mainrailwaylines,orhighwaysonceaccidentshappentothetailingspond,couldbeincreaseditsdesignedclassbyoneafterdemonstration.

3.2.2TheleveloftailingspondstructuresshallbedeterminedaccordingtotheclassandimportanceoftailingspondaccordingtothosespecifiedinTable3.2.2.

Table3.2.2Classificationoftailingspondstructures

Tailingspondclass

Thelevelofthestructure

Primarystructure

Secondarystructure

Temporarystructure

Firstclass

Level1

Level3

Level4

Secondclass

Level2

Level3

Level4

Thirdclass

Level3

Level5

Level5

Fourthclass

Level4

Level5

Level5

Fifthclass

Level5

Level5

Level5

Notes:1Primarysructuresefetosfucuresthawillcausedownsreamdisastersafterfailfre,suchastiligsams,floddischargestructures,etc.

2Secondarystructurcsrefertopermanentstructuresotherthantheprinarystructure.

3Temporarystructuresrefertostructurestemporarilyusedduringconstruction.

3.2.3Tailingspondcanbe/dividedintothefollowingcategoriesaccordingtothefluidityandgrainsizesegregationoftailingsstoredintailingspond:

1Thewetdischargedtailingspondwithgoodnaturalfluidity,pipelinetransportationandgrainsizesegregationafterdischarge.

2Thedrystackingtailingspondwhichcannotflownaturally,cannotbetransportedbypipeline,haslowwatercontentandcanmeetdrytransportation,stackingandrolling.

3.2.4Tailingspondcanbedividedintothefollowingcategoriesaccordingtothestackingmethodofthetailingsembankment:

1Upstreamembankment-buildingtailingspondinwhichtailingsornaturalmaterialsareaccumulatedintheupstreamdirectionofthestarterdam,andtheaxisofthecrestoftheembankmentisgraduallymovedtotheupstreamdirectionofthestarterdam.

2Centerlineembankment-buildingtailingspondinwhichthecycloneisusedtoseparatethecoarsetailingsornaturalmaterialstobuildtheembankmentattheaxisofthestarterdam,andtheaxisofthecrestoftheembankmentremainsunchanged.

3Downstreamembankment-buildingtailingspondinwhichthecycloneisusedtoseparatethecoarsetailingsornaturalmaterialstobuildtheembankmentinthedownstreamdirectionofthestarterdam,andtheaxisofthecrestoftheembankmentisgraduallymovedtothedownstreamdirectionofthestarterdam.

4One-stepdam-buildingtailingspondinwhichalldam-buildingmaterialsotherthantailingsareusedtobuildtailingsdamsatonetimeorinstages.

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3.3Safetymonitoringlevel

3.3.1Thesafetymonitoringoftailingspondshallincludethesafetymonitoringoftailingspondandgeologicallandslideinthetailingspondarea.

3.3.2Thesafetymonitoringleveloftailingspondshallbaseonthetailingsponddesignedclassandthescaleofthegeologicallandslide,andbedeterminedaccordingtothosespecifiedinTable3.3.2.

Table3.3.2Safetymonitoringleveloftailingspond

Monitoringlevel

Monitoringobject

Tailingspond

Geologicallandslideintailingspondarea

LevelI

First-classtailingspond,second-classtailingspond

LevelⅡ

Third-classtailingspond,fourth-classtailingspond,fifth-classtailingspond

Largeandmediumlandslide

LevelⅢ

-

Smalllandslide

Notes:1Themonitoringlevelofthesurfacedisplacementoftheconcretedamandmortarmasonrydamoftheone-stepdam-buidingtailingspondisIlevel.

2LargeandmediumlandslidesrefertoJIadslideslargerthan10×10°m³,andsmalllanslidesrefertlandslidesnotlargerthan10×10⁴m³.

3.4Safetymonitoringitems

3.4.1Safetymonitoringitemsoftailingspondshallincludepatrol,routineinspection,damdisplacementmonitoring,outersloperatiomonitoringofembankment,seepagemonitoring,tailings

pondwaterlevelmonitoring,drybeachmonitoring,precipitationmonitoring,flooddischargefacilitymonitoring,videomonitoring,andthedisplacementmonitoringofgeologicallandslidesintailingspondarea.

3.4.2Thesafety'monitoringitemsoftailingspondshallbedeterminedaccordingtothedesignedclassandthedamconstructionmethodofthetailingsdaminaccordancewithTable3.4.2-1and

Table3.4.2-2.

Table3.4.2-1Safetymonitoringitemsofwet-dischargedtailingspond

Monitoring

object

Monitoringitems

Damconstructiontechnology,tailingspondclassandprimarystructurelevel

Tailingsembankment

Starterdam,earth-rockfillonce-stepdam

Firstclass-thirdclass

Fourthclass,fifthclass

Firstclass-thirdclass

Fourthclass,fifthclass

Level1-3

Level4,Level5

Level1-3

Level4,Level5

Tailingsdam

Inspection

Shallbemeasured

Shallbemeasured

Shallbemeasured

Shallbemeasured

Surfacedisplacement

Shallbemeasured

Shllbemeasured

Shallbemeasured

Shllbemeasured

Internaldisplacement

Shallbemeasured

Maymeasurable

Shallbemeasured

Shouldbemeasured

Outerslope

Shallbemeasured

Shouldbemeasured

-

-

Phreaticline

Shallbemeasured

Shallbemeasured

Shallbemeasured

Shallbemeasured

Seepagepressure

Maymeasurable

Shouldbemeasured

Maymeasurable

Seepageflow

Shouldbemeasured

Maymeasurable

Shouldbemeasured

Maymeasurable

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Table3.4.2-1(continued)

Monitoring

object

Monitoringitems

Damconstructiontechnology,tailingspondclassandprimarystructurelevel

Tailingsembankment

Starterdam,earth-rockfillonce-stepdam

Firstclass-thirdclass

Fourthclass,fifthclass

Firstclass-thirdclass

Fourthclass,fifthclass

Levell-3

Level4,Level5

Level1-3

Level4,Level5

Tailingsdam

Turbidityofseepagewater

Shouldbemeasured

Maymeasurable

Shouldbemeasured

Maymeasurable

Drybeachwidthandslope

Shallbemeasured

Shllbemeasured

Shouldbemeasured

Maymeasurable

Video

Shallbemeasured

Shllbemeasured

Shouldbemeasured

Maymeasurable

Tailingspond

area

Inspection

Shallbemeasured

Shllbemeasured

Shallbemeasured

Shallbemeasured

Tailingspondwaterlevel

Shallbemeasured

Shallbemeasured

Shallbemeasured

Shallbemeasured

Precipitation

Shallbemeasured

Shouldbemeasured

Mustbemeasured

Shouldbemeasured

Video

Shallbemeasured

Shallbemeasured

Shouldbemeasured

Maymeasurable

Surfacedisplacementofgeologicallandslideinthetailingspondarea

Shallbemeasured

Shallbemeasured

Shallbemeasured

Shallbemeasured

Internaldisplacementofgeologicallandslideinthetailingspondarea

Shouldbemeasured

Shouldbemeasured

Shouldbemeasured

Shouldbemeasured

Flood

dischargefacilities

Inspection

Shallbemeasured

Shallbemeasured

Shallbemeasured

Shallbemeasured

Video

Shouldbemeasured

Maymcasurable

Shouldbemeasured

Maymeasurable

Drainageofpipesandculverts

Shouldbemeasured

Maymeasurable

Shouldbemeasured

Maymeasurable

Surfacedisplacement

Shouldbemeasured

Shouldbemeasured

Shouldbemeasured

Shouldbemeasured

NotelIfthedownstreamslopeofthetailingsdamisawasterockdump,themonitoringitemsofitsinternaldisplacementandphreaticlineare"Maymeasurable".

Table3.4.2-2Safetymonitoringitemsofdrystoragetailingspond

Monitoring

objects

Monitoringitems

Damconstructiontechnology,tailingspondclassandprimarystructurelevel

Tailingsembankment

Starterdam,earth-rockfilldambuiltonce

Firstclass-thirdclass

Fourthclass,fifthclass

Firstclass-thirdclass

Fourthclass,fifthclass

Level1-3

Level4,Level5

Level1-3

Level4,Level5

Outerslope

oftailings

damand

tailingspile

Inspection

Shallbemeasured

Shallbemeasured

Shallbemeasured

Shallbemeasured

Surfacedisplacement

Shallbemeasured

Shallbemeasured

Shallbemeasured

Shallbemeasured

Internal

displacement

Shouldbemeasured

Maymeasurable

Shouldbemeasured

Maymeasurable

Outerslope

Shallbemeasured

Shouldbemeasured

一

-

Phreaticline

Shouldbemeasured

Maymeasurable

Shouldbemeasured

Maymeasurable

Video

Shouldbemeasured

Maymeasurable

Shouldbemeasured

Maymeasurable

·8·

Table3.4.2-2(continued)

Monitoringobjects

Monitoringitems

Damconstructiontechnology,tailingspondclassandprimarystructurelevel

Tailingsembankment

Starterdam,earth-rockfilldambuiltonce

Firstclass-thirdclass

Fourthclass,fifthclass

Firstclass-thirdclass

Fourthclass,fifthclass

Level1-3

Level4,Level5

Levell-3

Level4,Level5

Tailings

yard

Inspection

Shallbemeasured

Shallbemeasured

Shllbemeasured

Shallbemeasured

Precipitation

Shallbemeasured

Shouldbemeasured

Shallbemeasured

Shouldbemeasured

Video

Shouldbemeasured

Maymeasurable

Shouldbemeasured

Maymeasurable

Flood

dischargefacilities

Inspection

Shallbemeasured

Shallbemeasured

Shallbemeasured

Shallbemeasured

Video

Shouldbemeasured

Maymeasurable

Shouldbemeasured

Maymeasurable

Pipeandculvertdrainage

Shouldbemeasured

Maymeasurable

Shouldbemeasured

Maymeasurable

Surfacedisplacement

Shouldbemeasured

Shouldbemeasured

Shouldbemeasured

Shouldbemeasured

3.4.3Thesafetymonitoringitemsofconcretedams,mortar-masonrydamsandwaterdamsofthetailingspondshallmeettherequirementsofthe/currentprofessionalstandardDL/T5178TechnicalSpecificationforConcreteDamSafetyMonitoringandSL551TechnicalSpecificationforEarth-rockfillDamSafetyMonitoring.

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4Monitoringsystem

4.1Generalrequirements

4.1.1Theonlinesafetymonitoringsystemoftailingspondshallbedesignedasawholebasedontheprincipleof"advanced,applicable,reliableandeconomical"andmaybeimplementedstepbystep.

4.1.2Theonlinesafetymonitoringsystemoftailingspondshalbeeasytomaintain,expand,transformandupgrade,andshallhavenetworkingfunctionsandtimelymonitoringfunctionsundervariousclimaticconditions.

4.1.3Thetechnicaldesignofthemanualsafetymonitoringoftailingspondshallincludethefollowingcontents:

1Overviewoftailingspond.

2Maintechnicalindicatorsofthemonitoring.

3Layoutofmonitoringprofilesandmonitoringpoints.

4Installationofthemonitoringequipment.

5Collectionofthemonitoringdata.

6Analysisandprocessingofthemonitoringdata.

7Submissionofmonitoringresults.

4.1.4Thetechnicaldesignofonlinesafetymonitoringsystemoftailingspondshallincludethefollowingcontents:

1Overviewoftailingspond.

2Maintechnicalindicatorsofthemonitoringsystem.

3Layoutmonitoringprofileandmonitoringpoint.

4Performanceandconstructioninstallationofmonitoringequipment.

5Performanceandinstallationofmonitoringsystemdataacquisitiondevice.

6Communicationfacilities,powersupplyfacilities,lightningprotectionfacilitiesandtherelatedinstallationofmonitoringsystem.

7Controlcentersettingsofmonitoringsystem.

8Debuggingandcomparisontestofmonitoringsystem.

9Analyzingandprocessingmethodsofmonitoringdataanddatadatabaseconstruction.

10Monitoringinformationreleaseandsafetywarning.

11Operationandmanagementofmonitoringsystem.

4.1.5Theonlinesafetymonitoringsystemoftailingspondshallbeinaccordancewiththefollowingrequirements:

1Shallhavefunctionsofautomaticinspection,responsivemeasurement,andfaultself-diagnosis.

2Shallhavepowerdownprotectionandself-startingfunctions.

3Shallhaveremotecommunicationfunctions.

4Shallhavenetworksecurityprotectionfunctions.

5Shallhavelightningprotectionandanti-interferencefunctions.

·10·

6Shallhaveinterfaceswithon-siteinspectionandmanualsafetymonitoring,andmaycarryoutdatasupplementarytestandcomparativetest.

7Shallhavegeneraloperatingenvironment,visualandeasy-to-operateuserinterface.

8Maymodifythesystemsettings,equipmentparametersandcollectioncycleaccordingtouser'srequirements.

9Shallhavethefunctionsofonlinesafetymonitoring,databackgroundprocessing,databasemanagement,databackup,monitoringfiguresandreportmaking,monitoringinformationqueryandrelease.

10Shallhavefunctionsofsystemmanagement,dataaccess,operationlogs,faultlogs,andpre-alarmrecords.

4.1.6Thelayoutofsurfacedisplacementreferencepointsandworkingreferencepointsshallmeettherequirementsofthefollowingregulations:

1Theerrorsinpointpositionmeasurementandelevationmeasurementofeachmonitoringpointrelativetotheadjacentworkingreferencepointorreferencepointshallbeestimatedaccordingtothemonitoringlevel,instrumenttechnicalindicatorsandthegraphicalstructureofthedisplacementmonitoringnetwork.Themaximumdistancefromthereferencepointorworkingreferencepointtothemonitoringpointshouldbedetermined.

2Thereferencepointsshallbearrangedinastableandreliablepositionoutsidethedeformationaffectedarea,andthenumberofreferencepointssh