tender for cutting and clearing jungles including shrubs, water weeds, bushes, trees, plants, upto 30 cm. girth including removing as directed by engineer-in-charge. , earthwork in excavation in the canals / drainage channels / borrow pits /river bed / slope of bank as noted below as per designed section & throwing the spoils in layers of 25 cm. for making banks as per profile or to deposit the same in any other place within an initial lead of 30 metre and initial lift of 1.5 metre including breaking clods, rough dressing etc.complete as per direction of the engineer-in-charge. (a) ordinary soil / local soil / soil mixed with moorum or kankar / silt, dry or moist / slushy silt / sticky soil. , dismantling all types of plain cement concrete works, stacking serviceable materials at site and removing rubbish as directed within a lead of 75 m. in ground floor including roof (a) upto 150 mm. thick , supplying and laying inverted filter in canal bed, canal slope, weep holes, block pitching etc. as per drawing including preparation of subgrade etc. complete as per direction of the engineer-in-charge. filter combined with 0.70 m3/m3 bajree and 0.30 m3/m3 medium sand. , cast-in-situ cement concrete blocks or lining units as per designed section and specification, in nominal mix proportion 1:1.5:3 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 ?m to act as a separator 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 t