Irrigation And Flood Control Department Tender

Providing and fixing in position pre-cast R.C.C. manhole cover and frame of required shape and approved quality H D - 20 Circular shape 560 mm internal diameter.

Providing and laying in position ready mixed plain cement concrete, with cement content as per approved design mix and manufactured in fully automatic batching plant and transported to site of work in Tansit mixer for all leads, having continuous agitated mixer, manufactured as per mix design of specified grade for plain cement concrete work, including pumping, of RMC from transit mixer to site of laying and curing, excluding the cost of centering, shuttering and finishing, including cost of curing, 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 the Engineer-in-charge. Note : Exess/less cement used than specified in this item is payable/recoverable separately. All works upto plinth level : M:10 grade plain cement concrete (cement content considered @ 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 to accelerate/ retard setting of concrete to improve workability with out impairing strength and durability as per specification including spreading and compacting mechanically by using needle and surface vibratos, leveling to required slope & camber, finishing by floating & 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 filling joints with approved joint filler and sealants, etc. complete, as per direction of Engineer-in-charge.(Cost of joint filler & sealants shall be paid for separately under relevant items). Note:- Cement content considered in M-30 is @ 400 kg/cum less cement used as per design mix is recoverable @ Rs. 10/- P. kg. separately M-30 RMC by using minimum cement @ 400 kg/cum. cement concrete manufactured in automatic batching plant (RMC Plant) including transportation to site in transit mixer.