construction of lane/drain from h/o dhani ram to parshotam shah mohalla amit nagar in w . no 67 , demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead 1:3:6 or richer mix , earth work in excavation by manual means over area exceeding 30 cm and upto 1 . 5m in depth , 1 . 5 m in width as well as 10 sqm on plan including disposal of excavated earth upto 1m from cutting edges , disposed earth to be leveled and neatly dressed in all kind of soil , removal of excavated malba dismantled unserviceable material from the site of work by mech . transport / animal transport or otherwise including loading complete job . , providing and laying in position cement concrete . of specified grade excl . the cost of centering and shuttering all work upto plinth level ( 1:3:6 ) 1 cement: 3 coarse sand: 6 crushed graded stone agg . 20mm nominal size , centering and shuttering incl . strutting propping etc . and removal of form work for foundation , footing , bases of columns . , providing & laying damp proof course , 50mm thick with cement concrete 1:2:4 ( 1cement:2 coarse sand:4 graded stone ) 20 mm nominal size , reinforcement for r . c . c works including straightening , cutting , bending , placing in position and binding all complete . thermo-mechanically treated bars . , demolishing rcc work manually/by mechancial means incl . stacking of steel bars and disposal of unserviceable material within 50metres lead , providing and laying in position cement concrete . of specified grade excl . the cost of centering and shuttering all work upto plinth level ( 1:5:10 ) 1 cement: 5 coarse sand: 10 crushed graded stone agg . 20mm nominal size , providing and laying r . c . c excl . the cost of centering , shuttering & finishing ( 1:2:4 ) 1 cement: 2 course sand; 4 graded stone , agg . 20mm nominal size-----crushed , engagement of labour for site clearance , carriage of material by mech . transport a ) sand/aggregate