Irrigation And Flood Control Department Tender

Providing and laying in position cement concrete of specified grade excludingthe cost of centering and shuttering all work upto plinth level 1:2:4 (1 cement : 2 coarse sand (Zone-III) : 4 graded stone aggregate 20mm nominal size)

12 mm cement plaster 1:4 ( 1 cement : 4 coarse sand ) with a floationg coat of neat cement punning.

Filling available excavated earth in trenches,plinth,sides of foundation etc. in layers not exceeding 20 cm in depth,consolidating each deposited layers by ramming and watering ,lead up to 50 m and lift upto 1.5 m.

Providing and placing in position 100 mm thick factory made machine batched & machine mixed Precast RCC Rectangular Covers on drains of footpath of various sizes, of M-25 grade cement concrete for RCC work, including cost of centering, shuttering, reinforcement of 8 mm dia TMT bars of Fe 500 grade @ maximum 100mm c/c on both ways , neat cement punning on finished surface, properly encased on all edges with 1.6 mm thick , 100 mm wide MS sheet duly painted over priming coat , reinforcement to be welded at edges with MS sheet and providing 2 Nos. 12 mm dia bar for hooks etc i/c cost of cartage, all leads & lift, handling at site etc. all complete as per direction of Engineer-in-Charge.

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in- charge Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to Tajpur Phari Khadan or as approved by Engineer-in-charge, 15.00 km initial lead, for all leads including all lifts involved.

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

Providing and laying in position ready mixed plain cement concrete with cement content 220 kg as per approved design mix ;and manufactured in fully automatic batching plant and transported to site of work in transit mixer for all leads, having continuous agitated mixer, manufactured as per mix design of specified grade for plain cement concrete work, including pumping of R.M.C. 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 accelerate/retard setting of concrete, improve workability without impairing strength and durability as per direction of the Engineer-in-charge All works up to plinth level M-10 grade plain cement concrete.

Providing and laying RMC of M-30 grade By using minimum 400kg 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 20mm 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 IS9103 to accelerate/ retard setting of concrete to improve workability without 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 10mm wide 50mm deep by groove cutting machine, providing and filling joints with approved joint filler and sealants, etc. complete, as per direction of Engineer in-charge.