tender for improvement of drain of gc campus at gc crpf, bhubaneswar; 1 earth work in excavation by mechanical means (hydraulic excavator) / manual means over areas (exceeding 30cm in depth, 1.5m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth, lead up to 50m and lift up to 1.5m,as directed by engineer-in-charge.all kinds of soil 2 providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level :1:2:4 (1 cement : 2 coarse sand(zone-iii) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources) 3 brick work with common burnt clay f.p.s. (non modular) bricks of class designation 7.5 in foundation and plinth in:cement mortar 1:4 (1 cement : 4 coarse sand) 4 cement plaster 1:3 (1 cement: 3 coarse sand) finished with a floating coat of neat cement.20 mm cement plaster 5 neat cement punning 6 repair to plaster of thickness 12mm to 20 mm in patches of area 2.5 sqm and under, including cutting the patch in proper shape, raking out joints and preparing plastering the wall surface with white cement based polymer modified self curing mortar, including disposal of rubbish, all complete as per the direction of engineer-in- charge. 7 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) 8 demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of engineer-in-charge. in cement mortar 9 demolishing dry brick pitching in floors, drains etc. including stacking of serviceable material and disposal of unserviceable material within 50 metres lead : 10 dry brick pitching half brick thick in drains including supply of bricks and preparing the surface complete : with common burnt clay f.p.s. (non modular) bricks of class designation 7.5