Details: construction of pipe carrying bridge at koodallur earth work in excavation by mechanical means (hydraulic excavator )/ manual means over areas(exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including disposal of excavatedearth, lead up to 50 m and lift up to 1.5 m, disposed earth to be levelled and neatly dressed.ordinary rock providing and laying in position cement concrete of specified grade excluding the cost of centering andshuttering - all work up to plinth level:1:1/2:3 (cement : 11/2 coarse sand : 3 graded stone aggregate 20mm nominal size) providing and laying in position machine batched and machine mixed design mix m-25 grade cementconcrete for reinforced cement concrete work, using cement content as per approved design mix,including pumping of concrete to site of laying but excluding the cost of centering, shuttering, finishingand reinforcement, including admixtures in recommended proportions as per is: 9103 to accelerate, setting of concrete, improve w
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