南丫島電廠擴(kuò)建工程l11鋼結(jié)構(gòu)substructure

Ref.

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項(xiàng)目

Quantity

數(shù)量

Unit

單位

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單價(jià)

Total

總額

SUBSTRUCTURE

Notes:

ThisSubstructureBillincludesalltheworksuptoandincludinggroundfloorslabs.

ScreenWallsaremeasuredinSuperstructureofthisBill.

)

)

)

)

EARTHWORKS

1

Takeup,setasideandrelocateexistingpavingblocktodesignatedareawithinLammaPowerStationanditsExtensionandsubsequentlyreinstallincludingmakinggoodallworksdisturbed,allasdirectedbytheEngineer.

740

Sup.

2

Excavateforallelementsnotexceeding1.50mdeep.

1840

Cube

3

Excavateforallelements1.50-3.00mdeep.

1840

Cube

4

Excavateforallelements3.00-4.50mdeep.

1440

Cube

5

Backfillselectedexcavatedmaterialaroundallelementsinlayersandconsolidate.

3200

Cube

6

Load,wheel,deposit,spreadandlevelselectedsuitablesurplusexcavatedmaterialtodesignatedareawithintheareaoradjacenttotheareaofLammaPowerStationanditsExtensioninlayersandconsolidatedtomakeuplevels,allasdirectedbytheEngineer.

960

Cube

7

Loadandremovesurplusexcavatedmaterialfromsite.

960

Cube

-

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TEMPORARYSHORING,STRUTTING

ANDRETAININGSHEETPILEAS

DRAWINGNO.552/03/034/2202AND

552/03/034/2205

8

Design,supplyandinstallationofsheetpiling

1

Item

worksandassociatedlateralsupportincluding

dewatering,protectionofadjacentexisting

structuresandutitilies,allnecessary

predrillingforremovalofunderground

obstruction,temporaryworksandsubsequent

removaluponcompletionofwork,submission

torelevantgovernmentauthoritiesfor

obtainingapprovalandconsent,makinggood

allworkdisturbedandremovealldebrisfrom

theSite.

PILEHEADTREATMENT

9

Cutoffpileheadof2180mmboredpile,

11

No.

includingremovalofsteelliner,breakup

reinforcedconcretedowntorequiredlevel,

trimtocorrectlevel,straighten,clean,bend

andcutofprojectingreinforcementbarsas

necessaryandremovedebrisfromSite.

CONCRETE

10

Grade20D/20PFAconcreteinallelements.

90

Cube

11

Grade30D/20PFAconcreteinallelements.

30

Cube

12

ReinforcedGrade45D/20PFAconcreteinall

1920

Cube

elements.

FORMWORK

13

FormworkClassF2toverticalsidesofall

2100

Sup.

elementsincludingvoidformers.

-

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14

FormworkClassF4toverticalsidesofall

130

Sup.

elementsincludingvoidformers.

REINFORCEMENT

15

Deformedhighyieldsteelbars10mmand

630000

kg

overingeneralreinforcementincludingbars

benttocurveandover12.00minlength.

16

Ditto,butinlinks,stirrupsandbindersand

70000

kg

helicalreinforcement.

17

WeldedsteelfabricreinforcementtoB.S.

1350

Sup.

4483Ref.No.A252weighting3.95kg/m2

laidwith450mm(min.)lapsinconcreteslab

(measurednett-noallowanceforlaps).

FINISHES

18

ClassU2finishasdescribedtoconcrete

1350

Sup.

surfaces.

19

Twocoatsbitumenpaintonburiedconcrete

2100

Sup.

surface;allasdirectedbytheEngineer.

LIFTPIT

20

Waterproofcementandsand(1:3)rendering

12

Sup.

againstupstandbrickworkwith20mminner

layer,20mmouterlayer,20mmtopand

bottomlayerand145mmwideoveralland

includingextrarenderingin25x25mmdeep

groove,allasDrawingNo.552/03/034/1617.

21

Brickworkinwaterproofcementmortar(1:3)

12

Sup.

in105mmwall.

-

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22

Approved200mmwidetwicebentangle

10

Run

waterproofingmembranereinforcingstrip.

23

20mmCementandsand(1:3)screedsonslab

5

Sup.

toreceivewaterproofingmembrane.

24

50x50mmTriangularfilletincementand

10

Run

sand(1:3)screed.

"SOPREMA"orapprovedequal

waterproofingmembraneasapprovedbythe

Engineerandappliedinstrictaccordancewith

themanufacturer'sinstructionsbyanapproval

specialistatContractor'sownexpense

25

Waterproofingmembranewith3mmthick

5

Sup.

protectionboardlaidonscreed(screed

measuredseparately).

26

Ditto,butfixtowall.

12

Sup.

TUNNELOFCABLESEALINGEND

CHAMBER

27

Waterproofcementandsand(1:3)rendering

155

Sup.

againstupstandbrickworkwith20mminner

layer,20mmouterlayer,20mmtopand

bottomlayerand145mmwideoveralland

includingextrarenderingin25x25mmdeep

groove,allasDrawingNo.552/03/034/1639.

28

Brickworkinwaterproofcementmortar(1:3)

155

Sup.

in105mmwall.

29

Approved200mmwidetwicebentangle

65

Run

waterproofingmembranereinforcingstrip.

-

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30

20mmCementandsand(1:3)screedsonslab

135

Sup.

toreceivewaterproofingmembrane.

31

50x50mmTriangularfilletincementand

65

Run

sand(1:3)screed.

"SOPREMA"orapprovedequal

waterproofingmembraneasapprovedbythe

Engineerandappliedinstrictaccordancewith

themanufacturer'sinstructionsbyanapproval

specialistatContractor'sownexpense

32

Waterproofingmembranewith3mmthick

135

Sup.

protectionboardlaidonscreed(screed

measuredseparately).

33

Ditto,butfixtowall.

155

Sup.

JOINTS

34

25mmApprovedfibrousjointfillerset

250

Sup.

betweenconcrete