, civil work , earthwork in surface excavation not exceeding 30 cm in depth but exceeding in 1.50m in width as well as 10 sqm on plain including getting out and disposal of excavated earth up to 50.00 mtrs lead and lift upto 1.50m as directed by engineer in charge , providing and laying in cement concrete of specified grade excluding the cost of centering and shuttering-all work up to plinth level 1:5:10(1 cement 5 coarse sand zone 3 derived from natural resources. , cement concrete flooring 1:2:4(1 cement 2 cement 4 graded stone aggregate) finished with a floating coat opf neat cement including cement slurry but excluding the cost of nosing of steps(40 mm thick with 20mm nominal size stone aggregate).