设备安装技术要求-英文翻译_精品文档.doc
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设备安装技术要求-英文翻译_精品文档.doc
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TECHNICALSPECIFICATIONSFOR
INSTALLATIONOFMECHNICALEQUIPMENT
1HIGHLIGHTSOFCONSTRUCTION
1.1ConstructionpreconditionsofEquipmentInstallation
Thedesigndocumentandothertechnicaldocumentsareallready,theconstructiondrawingshavebeenjointlycheckedup,techniqueclarificationandnecessarytechnicaltrainingshallhavebeenaccomplished.
Relativefoundationandtrenchworkshallhavebeenfinished,theconcretestrengthshallnotbelowerthan75%ofdesignstrength.
1.2AcceptanceofEquipmentFoundation
1.2.1AcceptanceofCivilData
Qualitycertificate.
SurveyRecordandotherconstructiondatashallbeready.
1.2.2Foundationchecking
Theposition,geometrydimensionandqualityrequirementsoftheequipmentfoundationshallcomplywiththeconstructiondrawingsandtheCodeforConstructionandAcceptanceofConcreteStructures(GB50204-92).
Boththefoundationsurfaceoftheequipmentandthereservedholesofanchorboltsshallbecleanedup,thescrewthreadandthenutoftheembeddedanchorboltshallbekeptingoodcondition.
Theallowabletoleranceofequipmentfoundationdimensionsrefertotable1:
Table1
Items
AllowableTolerance(mm)
Coordinateposition(Longitudinal&transverse)
±20
Elevationofdifferentplane
-20
Planeoutlinedimension
Planeoutlinedimensionofprotrudingplatform
Dimensionofconcavehole
±20
-20
+20
Levelnessofplane
(Includingpartswhereequipmentwouldbeinstalledonthelevelground)
Permeter
Totallength
5
10
Plumbness
Permeter
5
Totallength
10
Embeddedanchorbolt
Elevation(top)
+20
Center-to-center(fromthetoptothebottom)
±2
Embeddedanchorbolthole
Centralposition
±10
Depth
+20
Plumbnessoftheinternalsurfaceoftheholepermeter
10
Embeddedanchorboltactiveanchorplate
Elevation
+20
Centralposition
±5
Levelness(anchorboardwithslot)permeter
5
Levelness(anchorboardwithscrewthreadedhole)
permeter
2
1.3UnpackingInspectionofEquipment
UnpackinginspectionofequipmentshallbeexecutedunderthesupervisionoftheOwner’spersonnel,Contractorshallinspectthefollowingitems:
Appearance,quantity,specificationandmodeloftheequipment
Packinglistandothertechnicaldada.
DuringtheinspectionContractorshallkeepalltherecords.
Equipment,sparepartsandspecialtoolsshallbecarefullykept.
1.4InstallationofEquipment
1.4.1PositioningandAligningofEquipment
Thebaselineofinstallationshallbedesignatedaccordwithconstructiondrawingandrelatingaxis,edgelineorelevationlinebeforeequipmentpositioning.
Theallowabletoleranceofofthedistancefromplaneinstallationbenchmarktoactualfoundationaxisorbetweenactualshopwallaxisandedgelineis±20mm.
RefertoTable2fortheallowabletoleranceofplanepositionandelevationofthepositioningplane,lineorpointtobenchmark:
Table2
Items
AllowableTolerance(mm)
Planeposition
Elevation
Withoutmechanicalrelationswithotherequipment
±10
+20
-10
Withmechanicalrelationswithotherequipment
±2
±1
Theallowabletoleranceofequipmentinstallationreferstotable3:
Table3
Checkeditem
AllowableTolerance(mm)
Commonequipment
EquipmentsConnectedwitMachines
Vertical
Horizontal
Vertical
Horizontal
Center-to-center
D£2000,±5
D£2000,±10
±5
±3
±3
Elevation
±5
±5
Relativeelevation±3
Relativeelevation±3
Levelness
______
axial,L/1000
radial,2D/1000
______
axial,0.6L/1000
radial,2D/1000
Plumbness
H/1000
Butnotmorethan30
______
H/1000
______
Orientation
Measurealongcircumferenceofbase
D£2000,10
D>2000,15
______
Measurealongthecircumferenceofbase
5
______
1.4.2AnchorBolt
TheAnchorboltinthereservedholeshallaccordwiththerequirementofconstructiondrawinganddesigndocument;therequirementbelowmustbefollowedifnootherspecialinstructionsareavailable:
(1)Anchorboltshallbeverticalinreservedholefreeofinclining.
(2)Thedistancebetweenanypartofanchorbolttotheholewallshallbelargerthan15mm,andtheboltendshouldn’ttouchholebottom.
(3)Theoildirtandoxidizedsurfaceofanchorboltshallbeclearaway,alittlegreaseshallbeappliedtothescrewthreadoftheanchorbolt.
(4)Thereshallbenodistancebetweenthenutandthegasket,andsoarethegasketandthepedestaloftheequipment.
(5)Boltshallextendoutofnutafternutfastening;theexposedlengthisabout1/3-2/3ofthediametervalueofthebolt.
(6)Theanchorblotshallbefastenedwhileconcretestrengthinreservedreachesmorethanthan75%designedvalue,thefasteningstrengthshallbeevenly.
1.4.3IronShim
Theshimsizeforleveladjustingofequipmentshallaccordwiththerequirementofconstructiondrawingsortechnicaldocuments.
Thecommonwedgeshimandflatshimshallbeselectedaccor
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