Details: collection of river cross-section data @ 10 km c/c from cross-section no. 2 to cross-section no. 31. clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of up to a distance of 50 m outside the periphery of the area cleared. repair/installation of reference pillar : excavating holes more than 0.10 & upto 0.5 including getting out the excavated soil, then returning the soil as required in layers not exceeding 20cm in depth, including consolidating each deposited layer by ramming, watering etc, disposing of surplus excavated soil, as directed within a lead of 50 m and lift upto 1.5 m. all kinds of soil footing: providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level : 4.1.2 1:1½:3 (1 cement: 1½ coarse sand (zone-iii) derived from natural sources : 3 graded stone aggregate 20
Sector: Water Resource Department