Irrigation And Waterways Department Tender

“Cast-in-situ cement concrete blocks or lining units as per designed size and specification, with well graded 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 a separator between the bottom surface of the block and the filter material laid below the blocks, including dressing, ramming, shuttering, finishing the exposed surface with 1:3 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 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). With Stone aggregatesl (Pakur, North Bengal or Rajmahal varieties)

Supply of CICO / SIKA (Rapid 1) admixture for quick setting of green concrete. Rate collection from local market