南丫岛电厂扩建工程钢结构water mains

ANDEXTERNALWORKSCONTRACTNO.16/8002(VOFORL11)LAMMAPOWERSTATIONEXTENSIONCIVILANDBUILDINGWORKSFORUNITL11编项数单单总1ANDEXTERNALWORKSCONTRACTNO.16/8002(VOFORL11)LAMMAPOWERSTATIONEXTENSIONCIVILANDBUILDINGWORKSFORUNITL11编项数单单总12345678POTABLEWATERCopperpipesandfittingscomplyingwithB.S.EN1057(R250)laidandjointedwithapprovedsealingcompoundandnutsand25mm50mmExtraforthefollowingDesign,supplyandinstallflexiblejointtosuit25mmpipeandcapabletoaccommodate200mmdifferentialsettlement,alltothesatisfactionoftheEngineer.25mmIsolatingvalve.50mmIsolating50mmIsolatingvalvewithblankoffApprovedwatermeterforpotablewatersupplysystemjointedto25mmcopperpipe.Approvedairventandjointedto50mmcopperpipe,allasdescribedinSpecification.111111Carriedto -ANDEXTERNALWORKSCONTRACTNO.16/8002(VOFORL11)LAMMAPOWERSTATIONEXTENSIONCIVILANDBUILDINGWORKSFORUNITL11编项数单单总9ANDEXTERNALWORKSCONTRACTNO.16/8002(VOFORL11)LAMMAPOWERSTATIONEXTENSIONCIVILANDBUILDINGWORKSFORUNITL11编项数单单总9Allowforconnectiontoendof50mmcopperpotablewatersupplypipetoexisting50mmpotablewatersupplypipeincludingprovisionofallnecessaryaccessoriesandfittingsetc.allasdirectedbytheEngineerandasDrawingNo.552/03/024/2031.FRESHWATERCoatedductileironpipesandfittingcomplyingwithB.S.EN545ClassK9withandincludinginternalsulphateresistingcementliningandallnecessarypaintinglaidandjointedwithapprovedsealingcompoundandnutsandbolts150mm150mmTee.Design,supplyandinstallflexiblejointtosuit150mmpipeandcapabletoaccommodate200mmdifferentialsettlement,alltothesatisfactionoftheEngineer.150mmIsolatingvalve.Approvedwatermeterforfreshwatersupplysystemconnectedto150mmcoatedductileironpipe.111211Carriedto -ANDEXTERNALWORKSCarriedto CONTRACTNO.16/8002(VOFORLAMMAPOWERSTATIONEXTENSIONCIVILANDBUILDINGWORKSFORUNITL11ANDEXTERNALWORKSCarriedto CONTRACTNO.16/8002(VOFORLAMMAPOWERSTATIONEXTENSIONCIVILANDBUILDINGWORKSFORUNITL11编项数单单总Approvedairventandjointedto150mmcoatedductileironpipe,allasdescribedinAllowforconnectiontoendof150mmcoatedductileironfreshwatersupplypipetoexisting150mmfreshwatersupplypipeincludingprovisionofallnecessaryaccessoriesandfittingsetc.allasdirectedbytheEngineerandasDrawingNo.FLUSHWATERDuctileironpipesandfittingcomplyingwithB.S.EN545ClassK9withandincludinginternalsulphateresistingcementliningandallnecessarypainting,laidandjointedwithapprovedsealingcompoundandnutsand80mm80mmTee.Design,supplyandinstallflexiblejointtosuit80mmpipeandcapabletoaccommodate200mmdifferentialsettlement,alltothesatisfactionoftheEngineer.1111-ANDEXTERNALWORKSCONTRACTNO.16/8002(VOFORL11)LAMMAPOWERSTATIONEXTENSIONCIVILANDBUILDINGWORKSFORUNITL11编项数单ANDEXTERNALWORKSCONTRACTNO.16/8002(VOFORL11)LAMMAPOWERSTATIONEXTENSIONCIVILANDBUILDINGWORKSFORUNITL11编项数单单总80mmIsolatingvalve.80mmIsolatingvalvewithblank-offAllowforconnectiontoendof80mmcoatedductileironflushwatersupplypipetoexisting80mmflushwatersupplypipeincludingprovisionofallnecessaryaccessoriesandfittingsetc.allasdirectedbytheEngineerandasDrawingNo.552/03/024/2032.Excavatetrenchfor100mmdrainpipewithmaterialandreinstateexistingpavingblock,planterandallnecessarybeddingmaterialsTrenchaverage1.0mdeep.Trenchaverage1.5mdeep.Trenchaverage2.0mdeep.211Carriedto -ANDEXTERNALWORKSCarriedto CONTRACTNO.16/8002(VOFORL11)CIVILANDBUILDINGWORKSFORUNITL11编项数单单总Grade20D/20PFAconcreteANDEXTERNALWORKSCarriedto CONTRACTNO.16/8002(VOFORL11)CIVILANDBUILDINGWORKSFORUNITL11编项数单单总Grade20D/20PFAconcretebedsandsurroundstodrainpipesincludingallnecessaryformworkandapprovedcompressiblejointfillerBedsandsurrounds100mmPipeinapproximate400x300mmhighoverall.CoatedductileirondrainpipesandfittingscomplyingwithB.S.EN545classK9withinternalsulphateresistingcementliningandcoatedby"RustoleumC9578coaltarepoxy"includingcleaningbywaterjetting,allnecessarypaintingasdescribedlaidandjointedintrenches100mmValvepitasdetailedonDrawingNo.552/03/024/2034includingexcavation,disposal,waterproofconcrete,formwork,reinforcement,blindinglayer,connectiontoexistingirrigationwatersupplypipe,etc.andmakinggoodtoallworkdisturbedandcartawayalldebrisValvepit1900x1900x2000-3000mmdeepwithcoverandframes.1-ANDEXTERNALWORKSCarriedto CONTRACTNO.16/8002(VOFORL11)CIVILANDBUILDINGWORKSFORUNITL11编项数单单总ANDEXTERNALWORKSCarriedto CONTRACTNO.16/8002(VOFORL11)CIVILANDBUILDINGWORKSFORUNITL11编项数单单总WaterpointasdetailedonDrawingNo.552/03/024/2034includingexcavation,disposal,waterproofconcrete,formwork,reinforcement,stainlesssteelplate,anchorbolts,stainlesssteelpipehorsingsupport,20mmcopperpipeconnectingto100mmductileironpipe,gatevalve,stainlesssteelboxwithlockplate,hingeandcover,15mmdiametertapandallnecessarywelding,accessoriesandWaterpoint200x200mmwideoveralland1100mmhighfromexistinggroundlevel.THRUSTBLOCKANDANCHORExcavateforallelementsnotexceeding1.50mdeep.Ditto1.50-3.00mallelementsinlayersandconsolidate.Load,wheel,deposit,spreadandlevelselectedsuitablesurplusexcavatedmaterialtodesignatedareawithintheareaoradjacenttotheareaatLammaPowerStationanditsExtension,allasdirectedbytheEngineer.LoadandremovesurplusexcavatedmaterialfromSite.655-ANDEXTERNALWORKSCarriedto CONTRACTNO.16/8002(VOFORL11)ANDEXTERNALWORKSCarriedto CONTRACTNO.16/8002(VOFORL11)CIVILANDBUILDINGWORKSFORUNITL11编项数单单总ReinforcedGrade45D/20PFAconcreteinallFormworkclassF2toverticalsidesofallelementsincludingvoidformers.Deformedhighyieldsteelbars10mmandoveringeneralreinforcementincludingbarsbenttocu