Irrigation And Flood Control Department Tender

Providing and laying non-pressure NP2 class (light duty) R.C.C. pipes with collars jointed with stiff mixture of cement mortar in the proportion of1:2(1cement:2finesand)includingtestingofjoints etc. complete:150 mm dia. R.C.C. Pipe

Constructing brick masonry road gully chamber 50x45x60 cm with bricks in cement mortar 1:4 (1 cement : 4 coarse sand) including 500x450 mm pre-cast R.C.C. horizontal grating with frame complete as per standard design With common burnt clay F.P.S. (non modular) bricks of class designation 7.5 each

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level 1:4:8 (1 Cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size)

Providing and laying SN-8 DWC HDPE pipes including testing of joints etc. complete : 500 mm dia. SN-8 pipe as aprroved by Engineer-in-charge.

Constructing brick masonry circular manhole 1.52 m internal dia at bottom and 0.56 m dia at top in cement mortar 1:4 (1 cement : 4 coarse sand) inside cement plaster 12 mm thick with cement mortar 1:3 (1 cement : 3 coarse sand) finished with a floating coat of neat cement, foundation concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) and making necessary channel in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) finished with a floating coat of neat cement, all complete as per standard design :2.30 m deep with SFRC Cover and frame (heavy duty HD- 20 grade designation) 560 mm internal diameter conforming to I.S. 12592, total weight of cover and frame to be not less than 182 kg. fixed in cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) including centering, shuttering all complete. (Excavation, foot rests and 12 mm thick cement plaster at the external surface shall be paid for separately) :With Sewer bricks conforming IS : 4885

Making connection of drain or sewer line with existing manhole including breaking into and making good the walls, floors with cement concrete 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) cement plastered on both sides with cement mortar 1:3 (1 cement : 3 coarse sand), finished with a floating coat of neat cement and making necessary channels for the drain etc. complete :For pipes 250 to 300 mm diameter

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

Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to Tajpur Pahari Khadan or as approved by Engineer-in-charge, beyond 50 m initial lead upto 10.00 Km lead including all lifts involved.

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 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 Note: 1 Excess/less used than specified in this item is payable recoverable separately. 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. (Cost of joint filler & sealants shall be paid for separately under relevant items). 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 by using minimum cement @400 kg/cum. Cement concrete manufactured in automatic batching plant (RMC plant) including transportation to site in transit mixer..