地下管线保护施工方案 英文.docx
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地下管线保护施工方案 英文.docx
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地下管线保护施工方案英文
MethodStatement
DocumentTitle:
ProtectionofExistingUtilities
DocumentNumber:
Documentno.:
EXW-P011-0000-CM-CHE-MT-00027-Rev.CC
Name&Signature
Position
Date
PreparedBy:
TechnicalEngineer
ReviewedBy:
TechnicalEngineer
ApprovedBy:
DeputyPM
RevisionHistory
Revision
Date
Detailsofrevision
CA
22-Jan-2014
Submitforapproval
CB
16-Feb-2014
ComplywiththecommentsfromHalcrowdatedon05-FEB-2014
CC
1-Mar-2014
ComplywiththecommentsfromHalcrowdatedon01-Mar-2014
Section
CONTENTS
Page
1.0
PurposeofProtectionofExistingUtilities
3
2.0
ScopeofProtectionofExistingUtilities
3
3.0
4.0
Reference:
Definitions:
3
3
5.0
Personnel&Responsibilities
4
6.0
PermitsandLicences
5
7.0
ResourcestobeusedforProtectionofExistingUtilities
5
8.0
Detailedmethodofcarryingoutthismethodstatement
6
9.0
QualityControlandRequirements
10
10.0
Health&SafetyConsiderations
6
11.0
EnvironmentalConsiderations
11
12.0
Appendices
14
AppendixA
-
RiskAssessment
14
AppendixB
-
ToolBoxTalk
18
AppendixC
-
InspectionandTestPlan
19
AppendixD-ChecklistForm
21
Section1.0:
PurposeofProtectionofExistingUtilities
ThepurposeofthisMethodStatementistooutlinetheproceduresandtechniqueswhicharetobeadoptedinprotectionofexistingutilitieswhichistobecarriedoutinP011projectarea.
Section2.0:
ScopeofProtectionofExistingUtilities
ThisscopecoveredinthismethodstatementistooutlinethemethodologyforexecutionofallworksrelatedtotheConstructionoftheProtectionofExistingUtilities.ThisstatementshallcoverallthetrenchesforPowerSupply(EHV/HV,MVandLVetc.)Works,PotableWaters,Irrigation(TSE)andFireWaterLines,(StormWaterDrainagePipes,StationSewageLines,Q-Telworksetc.),ITSandSSD,includingsettingout,excavation,installationofprotectionslab,backfilling,compactionandreinstatementetc.Thismethodstatementdoesnotincludethespiltductprotectionforexistingelectricitycablecrossingtheroad.
Section3.0:
Reference:
WorkcarriedoutandtestingperformedunderthisSectionoftheSpecificationshallcomplywiththerequirementsofthefollowingStandardstotheextentthattheyarerelevantandnotoverriddenbytheSpecification.
•QatarConstructionSpecificationSection8,Part2(QCS2010)andSection20,Part4(QCS2010).
•Projectspecification.
•ProjectQualityPlanDoc.No.EXW-P011-0000-CM-CHE-PQ-00001-Rev.CE
•Shopdrawings.
•KahramaaWaterandElectricityGeneralSpecification
•KahramaaRegulationsforClearancesandworksinthevicinityofExtra-HighVoltageinstallations
•ProjectHealth&SafetyPlan–EXW-P011-0000-HS-CHE-PL-00048;
•ConstructionEnvironmentalManagementPlan–EXW-P011-0000-YE-CHE-PL-00071;
Section4.0:
Definitions:
Client:
ASHGHAL
ProjectManager:
KBR
SupervisionConsultant:
Halcrow
Contractor:
ChinaHarbourEngineerCompanyLimited(CHEC)
QCR:
QualityControlRecord
ITP:
InspectionandTestPlan
QA/QC:
QualityAssurance/QualityControl
JSA:
JobSafetyAnalysis
RA:
RiskAssessment
HSE:
Health,SafetyandEnvironment
P.S:
ProjectSpecification
Section5.0:
PersonnelandResponsibilities
Pleaserefertothefollowingtableformanpower:
No.
JobTitle
Quantity
1
ConstructionManager
1
2
HSEEngineer
1
3
Safetyofficer
1
4
SiteEngineer
Foroneexcavationandbackfillingsection
5
Surveyors
2
6
Generalforemen
Foroneexcavationandbackfillingsection
7
Operators/Drivers
Foroneexcavationandbackfillingsection,dependsonsitecondition
8
SkilledLabour
Foroneexcavationandbackfillingsection,dependsonsitecondition
9
Electricians
2
TheworkofProtectionofExistingUtilitieswillbecarriedoutbyCHEC,headedbytheConstructionmanager.
•ConstructionManager–responsiblefortheconstructionworkcoordinationandarrangementofcivilworks,inchargeofsiteengineer.TogetundercontrolHSErequirementsaswellasQA/QC.
•HSEEngineer/SafetyOfficer–responsibleforHSEonsiteduringconstruction,coordinatewithSiteEngineer.CoordinateToolBoxmeetingsandimprovethecontent.Stopanyunsafeact/workandreportimmediatelytotheHSEmanager&constructmanager.
•QCEngineer–responsibleforqualityofstructureonsiteduringconstruction,coordinatewithSiteEngineer.
•Surveyor–responsibleforsurveyworkandsettlementmonitoringworkonsite,coordinatewithSiteEngineer.
•SiteEngineer–Siteengineerresponsibleforsitedemolitionandclearancework,coordinatewithHSEEngineer,QA/QCengineer,surveyor,willinchargeofforemen,operators,masons,drivers,labour,reportsdirectlytoconstructionmanager.
•ConstructionSuperintendent/Foreman-directlysupervisestheworkactivityonthesiteandhasfullcontrolovertheuseofthelabour,plantandequipment.Heensuresthattheworkiscarriedoutinfullcompliancewiththespecification,andinamannerthatconformstothesafetyrequirements.HereportstotheSiteEngineerwhentheworkiscompleteandreadyforinspection.
•Allpersonnel(operators)involvedinlifting,confinedspace,drilling,welding,constructionplantandequipmentetc,shouldbequalifiedandtherelevantcertificateshouldbeavailable.
•QualityControlInspector-Ensurethatallactivitiesthatarerequiredtobeinspectedintheconstructionhavebeeninspectedandapproved.Accompanythecompanyrepresentativewhilecarryingoutinspectionsandreleaseholdpoints.IssueNCR’swhenandwhererequiredandensurethatconstructionprovidestheappropriatecorrectiveandpreventiveaction.
Section6.0:
PermitsandLicences
Workpermitshallbeprovidedandacopyshallbekeptonsite.Whererequiredasperprojectcontractspecification,permits&licencesshallbeobtainfromrelevantauthoritiespriortostartwiththerelatedworksoractivities.
Section7.0:
ResourcestobeusedforProtectionofExistingUtilities
7.1TechnicalInformation
References:
•QatarConstructionSpecificationSection8,Part2(QCS2010)andSection20,Part4(QCS2010).
•ProjectSpecification.
•Methodstatementofengineeringsurvey:
CHEC-CEC-MT-001-0.
•Methodstatementofsoilfillingandcompactionforroadworks:
EXW-P011-0000-CM-CHE-MT-00011.
•CHEC’SHSEPlan&QualityPlan.
7.2Equipment
Pleaserefertothefollowingtableforequipments:
S/N
Item
Quantity
Remark
1
JSBExcavatorwithbackhoe
several
Foroneexcavationsection
2
Manualexcavationtools
several
Foroneexcavationsection
3
Wheelloader
several
Foroneexcavationsection
4
Jackhammer
several
Foroneexcavationsection
5
Dumptruck
several
Foroneexcavationsection
6
LoadbedTrailers
1
7
Asphalt/Concretecuttingmachine
1
8
PlateCompactor
Several
Foronebackfillingsection
9
Surveyequipment
Several
Levelingmachinetobeonsiteformonitoring
10
WaterTruck
Several
Foronebackfillingsection
11
MobileCrane
1
12
MetalDetector
1
13
Labequipment
LS
14
Lighttowers
1
15
Towerlight
several
Foroneexcavationandbackfillingsection
Section8.0:
Detailedmethodofcarryingoutthismethodstatement
8.1PreparationWorks
•Anoverallprojectscheduledevelopedshallincludethesequenceofcivilworks,necessaryequipment,toolsandprocedureforvariouscivilworksactivities.
•Priortocommencementofworkallmaterials,resources,PersonnelProtectiveEquipment(PPE)andnecessaryequipmentandtoolsshallbesetinplace.
•Approvedwrittenprocedures,materialapprovalsandnecessaryinspectionrequestformsshallbemadeavailablebeforestartofwork.
•Onlyskilledpersonalwillbedeployedforcarryingtheprotectionofliveexistingutilities.
•PriortostartanyworksmakesurethatapprovedSIS(serviceinformationsheet)isavailable.
•Beforeexcavationcommence,theareatobeexcavatedshouldbecarefullymarkedoutandthen,whereappropriate,bytheuseofcablelocationdevicethepositionofeachcableinthevicinityshouldbedeterminedasfaraspossible.
•Scanningandtrialholesshallbedonepriortocommencementoftrenchexcavation.
•CoordinatewithKahramaasupervisorandotherEndUsersfornecessaryinspections.
•Makesurethatasupervisorandsafetyofficerfromcontractoravailablefulltimeatsite.
•Informationonthepositionanddepthofcablesintheproposedworkareashouldberecordedonplanbythoseresponsiblefortheworkssothatitcanbereadilyunderstoodbythesupervisorsandworkscarryingouttheworkatsite.
8.2SequenceforUndertakingProtectionofExistingUtilities
Theconstructionprocedureofundertakingthisworkisshowninthefollowingchart:
Diagram8.1SequenceforUndertakingProtectionofExistingUtilities
8.3SurfaceCleaning.
Afterpreparationworkhasbeencompleted,Contractorshallcleanthesurfaceoftheexistingground.Anyexistingunsuitablematerialshallberemoved.
8.4JobsiteBarricade
Thejobsiteshallbebarricadedwithrequiredmaterial/deviceinproperwaywithappropriatesignage.AllthesafetymeasuresshallbecheckedandapprovedbyHSEdepartmentwithwrittenrecordbeforecommencement.
8.5SurveySettingOut
Beforebeginningtrenchexcavations,therouteofthepipelineshallbesurveyedandsetoutaccuratelyandtheexistinggroundlevelshallbeagreedwiththeEngineer.Therelevantinformationshallpasstoin-chargesiteengineerandforemanwithwrittenrecord.
8.6MarkouttheLines.
Thecentrelineandtheedgeofthet
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