construction of rcc floor of weight construction of rcc floor of weightlifting hall , hacking of existing floor ( hacking of cc flooring including cleaning for surface etc . complete as per direction of the engineer-in-charge . ) , cement slurry ( providing and laying cement slurry over the surface etc . complete as per direction of the engineer-in-charge . ) , concrete work ( providing and laying in position machine batched and machine mixed design mix m-25 grade cement concrete 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 , finishing and reinforcement , including admixtures in recommended proportions as per is: 9103 to accelerate , retard setting of concrete , improve workability without impairing strength and durability as per direction of engineer-in-charge . ) ( note :- cement content considered in this item is @ 330 kg/cum . excess/less cement used as per design mix is payable/recoverable separately ) . , steel reinforcement work ( steel reinforcement for r . c . c . work including straightening , cutting , bending , placing in position and binding all complete upto plinth level . ) , hardner and towelling work ( providing and mixing chemical hardner of approved make and quality @ 1 . 5 ltr/cum of concrete etc . complete as per direction of the engineer-in-charge . ) , bison board filling work ( providing and laying 10mm thick x 75mm wide bison board strip in floor making panels of 1200mm x 1200mm c/c each etc . complete as per direction of the engineer-in-charge . )