DVDB Works in Distt. North, Delhi.

Supply of building Rubbish/Malba/similar unserviceable material dismantled or waste material by mechanical transport including royalty loading un-loading banking the same in layers not exceeding 20cm in depth, braking clods watering rolling each layer with 1/2 tonne roller or wooden or steel rammers and up to embankments for roads, flood banks, marginal banks and fluid or filling up ground depression, with all leads & all lifts.

Providing and laying in position ready mixed or site batched design mix cement concrete for plain cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana/ Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering and finishing as per direction of the engineer-in-charge; for the following grades of concrete. Note: Extra cement up to 10% of the minimum specified cement content in design mix shall be payable separately. In case the cement content in design mix is more than 110% of the minimum specified cement content, the contractor shall have discretion to either re-design the mix or bear the cost of extra cement. All works upto plinth level : Concrete of M10 grade with minimum cement content of 220 kg /cum

Providing and laying RMC of M-30 grade by using minimum 400 Kg. of cement (43 grade OPC) per Cum of concrete in roads/streets manufactured in automatic RMC plant using coarse sand and graded stone aggregate of 20 mm nominal size in appropriate proportion as per approved design criteria including transportation to site in transit mixer, including cost of admixture in recommended proportion as per IS 9103 accelerate/ regard setting of concrete to improve workability without impairing strength and durability as per specification including spreading and compacting mechanically by using needle and surface vibrators, leveling to required slops and camber, finishing by floating and brooming with wire brushes etc. and curing including making provision for contraction/ expansion, construction of cross/ longitudinal joints of size 10 mm wide 50 mm deep by groove cutting machine, providing and filing joints with approved joints filler and sealants, etc. complete as per direction of Engineer-in-charge(cost of joint filler & sealants shall be paid for separately under relevant item). Note: Cement content considered in M-30 is @400 kg/Cum. Excess/less cement used as per design mix is payable/recoverable separately M-30 RMC using minimum cement @400 kg/Cum. Cement concrete manufactured in automatic batching plant (RMC plant) including transportation to site in transit mixer.

Providing and filling in position rubberized bitumen hot sealing compound for sealing of expansion joints in roads / pavements all complete as per direction of the Engineer-in-Charge.

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