Details: sub-head:- earth work earthwork in excavation by mechanical means (hydraulic excavator)/manual means over areas (exceeding 30cm in depth,1.5 m in width as well as 10 sqm on plan) including getting out and disposed of excavated earth, lead upto 50m and lift upto 1.5m, as directed by the engineer-in-charge.(a) all kind of soil. filling available excavated earth (excluding rock) in trenches, plinth sides of ,foundation etc. in layer not exceeding 20cm. in depth consolidation each deposited layer by ramming and watering lead unto 50m. lift unto 1.5m. supplying and filling in plinth with sandy soil under floors including watering, ramming, consolidating and dressing complete. sub-head:- concrete & rcc work providing and laying cement concrete of specified grade excluding the cost of centering and footing shuttering- all work upto plinth level:-1:4:8 (1ce