earth work by mechinical / manual means in rough excavation, banking excavated earth in layers not exceeding 20cm in depth, breaking clods, watering, rolling each layer with ½ tonne roller or wooden or steel rammers, and rolling every 3rd and top-most layer with power roller of minimum 8 tonnes and dressing up in embankments for roads, flood banks, marginal banks and guide banks or filling up ground depressions, lead upto 50 m and for all lift :all kinds of soil 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 for all lift, as directed by engineer-in-charge.all kinds of soil filling available excavated earth ( excluding rocks) in plinth side of foundation, under floors in layers not exceeding 20 cm in depth including, watering, ramming consolidating and dressing completelead up to 50 m and lift up to 1.