Restoration of Cement Concrete Lining of Main Ravi Canal from RD 35880-36100 M and RD 36600-36800

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

Silt clearance from the canal inclusive of the initial lead and lift of 50m and 1.5m resp.Dry silt

Wet Silt

Demolishing of the cement concrete manually/by mechanical means 1:3:6or richer mix:-

Extra for every additional lift (2 no.) of 1.50 m or part thereof in:

Earth work in rough excavation, banking excavated earth in layers not exceeding 20 cm in depth, filling up ground depressions, lead upto 50 m and lift upto 1.5 m in all kinds of soil: Deduct for not rolling and watering.

Preparing and dressing bed of canals for lining in ordinary soil (Clay).

Preparing and dressing side slopes of canals for lining in ordinary soil (Clay)

Providing and laying 10 mm thick, 1 cement:3 fine sand mortar slurry on beds and side slopes (prior to laying in-situ concrete lining)

Providing and laying in situ concrete lining using M-10 nominal mix concrete 1:3:6 (1 cement : 3coarse sand : 6 graded stone aggregates 20 mm nominal size): On slopes

On bed

Curing canal lining for 28 days: on bed

Curing canal lining for 28 days: on slopes

Scaffolding for the canal lining

Carriage of Sand and Aggregate avg. 20 km by Mechanical Transport.

Carriage of earth from source to site of work average lead 5 km by Mechanical Transport

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