WBIW/EE/BNKIDeNIT03/2026-27SL2

Cutting uprooting and clearing jungles including shrubs, water weeds, bushes, trees, plants, upto 30cm.girth including removing as directed by Engineer-in-charge.

Supplying, spreading and consolidating Moorum to a depth of 75 mm at desired density and C.B.R. as per specification with power roller to proper gradient and camber including watering as necessary, and lighting, guarding, barricading and making adequate earthen bundh where necessary to protect the edges and curing with water for 2 to 3days, mending cracks by rolling where necessary including all incidental charges of roller, cost of fuel & lubricants etc. complete as per pecification.

“Cast-in-situ cement concrete blocks or lining units as per designed section and specification, in normal mix propotion 1:1.5:3 (corrsponding to M20 grade with well graded 20 mm down stone metal aggregate, laid in position by casting in alternative panels or otherwise to keep a gap of 12mm between the adjacent units, over a layer of polythene sheet of thickness not less than 100 to act as aseperator between the bottom surface of the block and the sand cushion/filter material laid below the blocks ,including dressing , ramming, shuttering, finishing the exposed surface by trowel without adding any additional cement and sand mortar ,curing and filling the gaps between the adjacent units by 5.6mm down coarse aggregate to be compacted properly, with all leads and lifts including supply and carriage of all materials, complete, without the cost of sand cushion/filter. (The rate is exclusive of the cost of stone aggregate and its carriage upto site. Construction wing has to add the cost of same from the SoR of PW (Roads) to derive the consolidated rate. Consumption chart of the USoR may be used for assessing the quantity of coarse aggregates per cum of concrete). (Stone Aggregate of Pakur or Rajmahal,or broken stone of North Bengal varieties) Note:provisions of the latest departmental manual for lining in Irrigation Canals are to be followed ,when ever applicable.

Earthwork in excavation in all kinds of soil for making embankments, repairs to the embankment, closing breaches etc. as per profile including supply and transporting the earth by truck or tractor or any other mechanical means on land , including loading, transporting, unloading and stacking with all lifts bothways and head load where necessary and depositing the same on embankments, clannels, filling depressions in requisite profile, levelling as per direction of the Engineer-in-charge within a lead of NB :- Measurement to be taken on the basis of stack measurement / prepost work section measurement after deduction of void as per norms. No extra payment will be made for stacking. A) Beyond 500 metre and upto 1.00 km