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文檔簡介
Ref.
編號
Item
項目
Quantity
數(shù)量
Unit
單位
Rate
單價
Total
總額
BILLNO.7
C.W.CULVERTSYSTEM
Notes:
1)Thestructureofconcreteinlet/outletboxaremeasured
)
inBillNo.2-MainStationBuildingUnitL11.
)
)
2)Takingupexistingpaving,removalofexistingroadbase
)
andgranularsub-baseandreinstatementworksaremeasured
)
inBillNo.12-Road,Drainage,UtilitiesandExternalWorks.
)
)
3)TheContractorshallpayparticularattentionthatheis
)
requiredtotakeupfulldesignresponsibilityforexcavation
)
includingopencutslopes,lateralsupportworks,ground
)
watercontrolworks,etc.,allasdescribedinthedrawings.
)
Alltherates/costspricedhereunderbytheContractorshall
)
bedeemedtoincludethesaidworks.
)
GENERAL
1
AllowforpreparingBuildingInformation
1
Item
Modelling(BIM)forallundergroundutilities
worksincludingallnecessarysubmissions,all
asdescribedinSpecificationsandasdirected
byandtothesatisfactionoftheEngineer.
SETTLEMENTMONITORINGWORKS
LongtermsettlementmarkersasDrawingsNo.
552/03/025/2001and552/03/025/2015
2
Establishandlabellongtermsettlement
1
No.
markersonmanholesurfacesincludingall
necessaryfixingaccessories,allasdescribed.
CarriedtoCollection
$
-
Ref.
Item
Quantity
Unit
Rate
Total
3
Establishandlabellongtermsettlement
6
No.
markersonexistinggroundlevelstotopof
ductileironinletpipeincludingconstruction
ofgrade20D/20PFAconcreteboxwithcast-
inPVCweeppipe,greasedgalvanisedsteel
pipes,externallypaintedprotectivesteelpipes,
galvanisedstiffeners,castironlockablecovers
withassociatedframeworkandhardwares,
welding,allnecessaryfixingaccessories,
formworkandearthworks,allasdescribed.
4
Ditto,buttotopofductileironoutletpipe.
2
No.
5
Ditto,buttotopofreinforcedconcretethrust
2
No.
blockforinletpipe.
6
Ditto,buttotopofreinforcedconcretethrust
1
No.
blockforoutletpipe.
7
Allowformaintainingandcarryingoutdaily
12
No.
monitoringofthelongtermsettlement
monitoringmarkersincludingsubmitting
initialreadingsandtakingregular
measurementsandreadings,preparingand
submittingperiodicalrecords,graphicalplotof
readingsandreportstotheEngineerand
BuildingAuthority,allasdescribed(No.of
monitoringmarkerinregardlessofitslocation
aremeasured).
8
Takeupexistinglongtermsettlementmarkers
8
No.
andcarryoutdailymonitoringincluding
submittinginitialandtakingregularreadings
measurements,preparingandsubmitting
periodicalrecords,graphicalplotofreadings
andreportstotheEngineerandBuilding
Authority,allasdescribedonSpecifications
andDrawings.
CarriedtoCollection
$
-
Ref.
Item
Quantity
Unit
Rate
Total
9
ALTERATIONANDADDITIONWORKSTOEXISTINGNO.4C.W.INTAKECHAMBERASDRAWING550/03/025/1096,550/03/025/1098and
550/03/025/1099
AllowforIC-L11C.W.PumpSlabOpeningEnlargementincludingremoveexistingconcretecover,chipoffexistingconcretebymanualbreakingmethod,concrete,formwork,reinforcement,hot-dipgalvanizdmildsteeljoist,cementgrout,drilling,retaining,rebentingandrefixingtheexistingreinforcement,surfacetreatment,coring,boltsandnuts,allasDrawingNo.
550/03/025/1098.
(TheTenderershallsubmitmethodstatementanddetailcostbreakdownforthisitembutnotbelimitedtothefollowingworks:
Qty+ Unit Rate+ Total+
removingexisting
concretecover Item
enlargingexisting
concreteslab Item
chippingoffexistingconcretebymanual
breakingmethod Item
(handheldtoolonly)
hot-dipgalvanized
mildsteeljoists Kg
non-shrinkcement
grout Sup
reinforcedGrade45D/20PFA
concrete Cube
surfacetreatment Sup
formwork Sup
hot-dipgalvanized
steelbars Kg
coring No
boltsandnuts No
Allotherworksrequired Itemforcompletionofthe
constructionofCWIutletpipeandallotherContractWorks(Pleasespecify)
ItemTotal========)
+TobefilledbytheTenderer
1
item
CarriedtoCollection$
-
Ref.
Item
Quantity
Unit
Rate
Total
10
11
Allowforconstructing1No.ofreinforcedconcretebeamin8100x675x1800mmdeepundertheexistingreinforcedconcretebeamincludingchipoffexistingconcretesurface,concretereinforcement,formwork,2nos.457x191x89kg/muniversalsteelbeam,anchorbolt,baseplate,grouting,allnecessarytemporaryworks,makinggoodallworksdisturbed,etc.,allasDrawingNo.
550/03/025/1098.
AllowforIC-L11ACWPumpSlabOpeningEnlargementincludingremoveexistingconcreteplinth,removeexistingprecastconcretecover,concrete,formwork,reinforcement,hot-dipgalvanizedmildsteeljoist,cementgrout,surfacetreatment,jointsealant,boltsandnutsallasDrawingNo.
550/03/025/1099.
(TheTenderershallsubmitmethodstatementanddetailcostbreakdownforthisitembutnotbelimitedtothefollowingworks:
Qty+ Unit Rate+ Total+
removingexisting
concreteplinth Item
enlargingexisting
concreteslabopening Item
removeexistingremovable
precastconcretecover Item
hot-dipgalvanized
mildsteeljoists Kg
non-shrinkcementgrout Sup
reinforcedGrade45D/
20PFAconcrete Cube
surfacetreatment Sup
formwork Sup
hot-dipgalvanized
steelbars Kg
jointsealant No
boltsandnuts No
Allotherworksrequired Itemforcompletionofthe
constructionofCWIutletpipeandallotherContractWorks(Pleasespecify)
ItemTotal========)
+TobefilledbytheTenderer
1
1
item
item
CarriedtoCollection$
-
Ref.
Item
Quantity
Unit
Rate
Total
12
13
MiscellaneousWorks
AllowfortheinstallationofexistingL10penstocktoL11penstockchambertofacilitatethemodificationworkduringthedeliveryfortakingfromdesignatedstorageareawithinLammaPowerStationincludingallnecessarycleaningofexistingstainlesssteelguidechannelbeforeinstallationandsubsequentlyremoveandreturntodesignatedstorageareawithinLammaPowerStationasdirectedbytheEngineer.
AllowforpumpingouttheseawaterinsideL11intakechamberandmaintainingdryconditionuponcompletionofinstallationofnewL11outletpipeworks,allasdescribedanddirectedbytheEngineer.
C.W.INLET/OUTLETPIPE
Note:
1
1
Item
Item
)
)
)
)
)
TheContractorshallpayparticularattentiontotherequirementsasstatedinthe"NotesforExcavation,LateralSupportandTemporaryWork"ofDrawingNo.552/03/025/2016.Alltheratespricedunder
thissectionshallbedeemedtoincludeallnecessarycostsandtime
forcomplyingsuchrequirements.
CarriedtoCollection$
-
Ref.
Item
Quantity
Unit
Rate
Total
14
AllowfordesigningandcarryingoutearthworksforC.W.Outletpipeconstruction(TypeC)asshowninDrawingno.
552/03/025/2016includingexcavation,allearthworksupports,temporaryshoringsystemandsubsequentremoval,weldingtoexistingsteelsheetpiles,backfillingwithselectedexcavatedmaterialsandimportedfillingifrequireduptospecifiedlevels,removingsurplusexcavatedmaterialfromSite,reinstatementofalldisturbedareatomatchwithexisting,dewateringandgroundwatercontrol,protectiontoexistingstructuresandutilitiesandallnecessarytemporaryworksfortheconstructionofC.W.OutletpipeifsorequiredbytheContractor.
(TheTenderershallsubmitmethodstatementanddetailcostbreakdownforthisitembutnotbelimitedtothefollowingworks:
Qty+ Unit Rate+ Total+
Excavation Cube
Backfilling/imported Cubefilling
Disposal Cube
Temporaryshoringsystem kgandsubsequentremoval
Weldingtoexistingsteel Runsheetpiles
Dewateringandground Itemwatercontrol
Protectiontoexisting Itemstructuresandutilities
Allotherworksrequired Itemforcompletionofthe
constructionofCWIutletpipeandallotherContractWorks(Pleasespecify)
ItemTotal========)
+TobefilledbytheTenderer
1
Item
CarriedtoCollection$
-
Ref.
Item
Quantity
Unit
Rate
Total
15
AllowfordesigningandcarryingoutearthworksforC.W.Inletpipeconstruction(TypeD)asshowninDrawingno.
552/03/025/2016includingexcavation,allearthworksupports,temporaryshoringsystemandsubsequentremoval,weldingtoexistingsteelsheetpiles,backfillingwithselectedexcavatedmaterialsandimportedfillingifrequireduptospecifiedlevels,removingsurplusexcavatedmaterialfromSite,reinstatementofalldisturbedareatomatchwithexisting,dewateringandgroundwatercontrol,protectiontoexistingstructuresandutilitiesandallnecessarytemporaryworksfortheconstructionofC.W.InletpipeifsorequiredbytheContractor.
(TheTenderershallsubmitmethodstatementanddetailcostbreakdownforthisitembutnotbelimitedtothefollowingworks:
Qty+ Unit Rate+ Total+
Excavation Cube
Backfilling/imported Cubefilling
Disposal Cube
Temporaryshoringsystem kgandsubsequentremoval
Weldingtoexistingsteel Runsheetpiles
Dewateringandground Itemwatercontrol
Protectiontoexisting Itemstructuresandutilities
Allotherworksrequired Itemforcompletionofthe
constructionofCWInletpipeandallotherContractWorks(Pleasespecify)
ItemTotal========)
+TobefilledbytheTenderer
1
Item
CarriedtoCollection$
-
Ref.
Item
Quantity
Unit
Rate
Total
16
17
18
19
20
21
22
23
Cutandremoveexistingsteelsheetpiledowntotherequiredlevelincludingallnecessarytemporarysupportstoearthwork,excavation,backfilling,reinstateexternalpavementtomatchwithexistingandreomvedebrisfromsite.
Concrete
Grade20D/20PFAconcreteinallelements.
ReinforcedGrade45D/20waterproofPFAconcreteinallelements.
ClassU2finishasdescribedtoconcretesurfaces.
FormworkClassF2toverticalsidesofallelementsincludingvoidformers.
Deformedhighyieldsteelbars10mmandoveringeneralreinforcementincludingbarsbenttocurveandover12.00minlength.
Ditto,butinlinks,stirrups,bindersandhelicalreinforcement.
2500mmWidex800mmhighoverallprecastGrade45D/20waterproofPFAconcretepipesupports3.00-5.00mlongeachforsupportingonepipesectionincludingallmoulds,reinforcement,finishing,hoistingandsettinginpositionandcompletewithtwosetsof12mmdiametergalvanisedirontiedownwireropefixedaroundductileironpipe(pipefixingmeasuredseparately)withriggingscrewspersupport,allinaccordancewithDrawingNo.552/03/025/2001.
570
10
410
400
280
62000
16000
265
Run
CubeCube
Sup.
Sup.
kg
kg
Run
CarriedtoCollection$
-
Ref.
Item
Quantity
Unit
Rate
Total
24
25
Miscellaneous
ManholeasDrawingNo.552/03/022/2013includingexcavation,disposal,concrete,reinforcement,formwork,blankflange,sumppit,inspectionhole,hook,blindinglayer,stepirons,rendering,coversasBS497havingclearopeningsizesstated,beddingandhaunchingframesincementmortarandsealinginthickgrease
Manhole1800x1800x1000-2000mmdeepcompletewithapproximate1800x1800mmwidedoublesealheavydutycoatedcastironcoverandframe.
ManholeasDrawingNo.552/03/025/2012includingexcavation,disposal,concrete,reinforcement,formwork,blankflange,sumppit,inspectionhole,hook,blindinglayer,stepirons,rendering,coversasBS497havingclearopeningsizesstated,beddingandhaunchingframesincementmortarandsealinginthickgrease
Manhole3200x3300x8000-9000mmdeepcompletewithapproximate1800x1800mmwidedoublesealheavydutycoatedcastironcoverandframe.
2
1
No.
No.
CarriedtoCollection$
-
Ref.
Item
Quantity
Unit
Rate
Total
26
27
28
29
30
AllowfordeliveringEmployer'sductileironpipingmaterialsandflexiblejointswithfittingsandfixingaccessories,fromLammaPowerStationExtensionHeavyLoading/UnloadingAreatotheContractor'sownstorageareaincludingco-ordinationwithEmployer'ssupplierformaterialdelivery,provisionoflabourandplantfortransportation,jointinspectionwiththeEmployer'ssupplierforhandovermaterials,unpackingthematerials,etc.allasdescribed.
Allowfortakingdown1No.existingsteelendplates/blankflangeatexistingoutletpipeincludingpreparingexistingpipesurfacesforconnectionofnewworksandremovingfromSiteortolocationswithinLammaPowerStationasdirectedbytheEngineer.
Ditto,butatexistinginletpipe.
TakedeliveryfromContractor'sownstorageareaandFIXONLY2000mmnominaldiameterflexiblejointinapproximate2mlongandassociatedfittingsandfixingaccessoriescapabletoaccommodatemax.200mmdifferentialmovementwithflangedjointincludingisolationgasketatbothends,adjustmentofflexiblecouplingjointtosuitactualpipelayinglevelandconnectedtopuddlepipesatnewlyconstructedconcreteinlet/outletboxes.
DittotoFIXONLY2000mmnominaldiameterpuddleflangepipeandassociatefittingsandfixingaccessoriescastintoconcretewithflangejointatnewlyconstructedconcreteinlet/outletboxes.
1
1
1
2
2
Item
Item
ItemNo.
No.
CarriedtoCollection$
-
Ref.
Item
Quantity
Unit
Rate
Total
31
32
33
34
35
36
37
38
39
TakedeliveryfromContractor'sownstorageareaandFIXONLY2200mmnominaldiameterproprietaryductileironpipeincludingsupplyandwrapwithminimum0.2mmthickpolyethylenesleeve,allwithK-typemechanicaljoints/flangedjointslaidandjointedintrench.
Extraforfixing2200mmnominaldiametercollarwithK-typemechanicaljoint/flangedjoint.
Extraforfixing2000mm/2200mmnominaldiametertaperpipewithflangejoint.
Extraforfixing45°bendwithK-typemechanicaljoin
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