Details: earth work in excavation by mechanical means (hydraulic excavator )/ manual mea in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift upto 1.5 m, including gettin out the excavated soil and disposal of surplus excavated soil as directed, within a lea of 50 m.(a) all kinds of soil. filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m. providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering -all work upto plinth level - 1:4:8 (1 cement : 4 coarse sand (zone-iii) derived from natural sources : 8 graded stone aggregate 40 mm nominal size derived from natural sources) making plinth protection 50mm thick of cement concrete 1:3:6 (1 cement :3