Details: earth work in excavation by mechanical means (hydraulic excavator) infoundation 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 getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.a.all kinds of soil. 70% b.ordinary soil. 20% c. hard rocks (required prohibited) 10% earth work in excavation by mechanical means (hydraulic excavator) 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.a. all kinds of soil 70% b.ordinary soil. 20% c.hard rocks (blasting prohibited) 10% providing and laying hdpe pipe 75mm dia grade iipn 6 as per is standard 4985 for laying of main line from the distribution of field sectioning providing and laying hdpe pipe 63mm dia grade iipn 6 as per is standard 4985 for
Sector: PWD