Details: item description/ heading earth work in excavation by mechanical means (hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5 m, as directed by engineer-in-charge. providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level :1:3:6 (1 cement : 3 coarse sand (zone-iii) derived from natural sources: 6 graded stone aggregate 20 mm nominal size derived from natural sources). structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by engineer-in-charge) 0.50 mm (+ 0.05 %) total coated thickness with zinc coating 120
Sector: Mining