Construction of manhole and laying 200mm SWR pipe line work at Bodi line North side in ward no 70

Amount

ConstructionofPrecastcircularRCCmachineholeusingsulphateresistantcementwithM30designmixconcreteusingCrushedstonesand(Msand)includingearthworkexcavationasperSS20Bincludingtimberingandpumpingcharges(for2.5mdepthandabove),ProvidingPlainCementConcrete1:1.5:3using20mmB.G.jellyforfoundation,supplyingandfillingsandforbedding,Providingbaseunitsof1mheight(baseslabandsidewall),riserunit(withoutcorbel)ofvaryingheightstosuitthevariousdepthrequirementsandroofslabincludingcostofsteelreinforcement,costoffabricatingthesteelmouldusingMSsheetandISAanglesincludingmaterialandlabourcost,ProvidingCIsteps,fixingFRCmachineholeframeanddoor,benchingandchannelling,refillingwithexcavatedearthanddisposalofsurplusearth,joiningofprecastunitsbygroutingwithCM1:1andpolyurethanebasedwaterproofingcompound1%(byweightofcement)atshearkeyandprotrudedbarsgroutholeslocations,Costofconveyanceanderectionchargesofprecastmachineholeattherequiredpositionasdirectedbytheengineeratsiteincludingtestingthemachineholewithwaterfor48hourstocheckwatertightnessandrectifyingthedefectsif anyfor the following sizes and depths.METRO 22/23P.N 60 1.5 to 2.0m depth

2.0 to 2.5m depth

Supplying laying jointing and testing 200mm dia SW pipe SW Pipe including earthwork excavation for trenchers in hard stiff black cotton,hard red earth, shales,murams,gravel,stoney earth and mixed with small size boulders and hard gravelly soil, deposting the earth on banks with initial lead of 10m lowering the pipes into the trenches,aligning,refillinf the trenches with exvated eart in layers of not more than 23cm thick watering,ramming to consolidation and trenches with exvated eart in layersof not more than 23cm thick watering, ramming toconsolidation and disposal of surplus earth etc. complete at an average depth of 1.50m & 2.0m.(DATA) 1.5 to 2.0m depth

2.0 to 2.5m depth

Add GST 18%

SRI VISALAKSHI CO (BID ID -1049177)