BIENNIAL MAINTENANCE CONTRACT FOR ASH DYKE AT NTECL VALLUR

Filling the available good earth in trenches, plinth, sides of foundation, rain cuts, temporary bund, depressions, scouring of bund area etc in layers not exceeding 20cm depth and all lift including carriage of earth/ ash by mechanical transport including loading,unloading and stacking, watering, ramming by hand rammer including all labour, materials, tools and tackles etc complete and as per direction of Engineer ln charge for a lead up to 50 m (soil to be transported from soil stack)

Carriage of Materials by Mechanical Transport - For a Lead upto 1 Km for Material Earth

Carriage of Materials by Mechanical Transport - For a Lead upto 2 Km for Material Earth

Carriage of Materials by Mechanical Transport - For a Lead upto 3 Km for Material Earth

Carriage of Materials by Mechanical Transport - For a Lead upto 4 Km for Material Earth

Carriage of Materials by Mechanical Transport - For a Lead upto 5 Km for Material Earth

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 (Pond ash may be used for forming roads inside ash dyke so dump deployment has been deducted in DSR rate)-All kinds of soil

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1m above ground level and removal of rubbish upto a distance of 50m outside the periphery of the area cleared.

Clearing grass and removal of the rubbish up to a distance of 50 m outside the periphery of the area cleared.

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) : 6 graded stone aggregate 20 mm nominal size).