Construction of Cairns (50 Nos) at Karuvanthanam Vested Forest Area in Kanchiyar Forest Station under Ayyappancovil Range during 2025-26

Cairns Construction -50 nos

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 rubbish up to a distance of 50 m outside the periphery of the area cleared

Earth work in excavation by mechanical means (Hydraulic excavator) /manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.All kinds of soil

Random rubble masonry with hard stone in foundation and plinth including levelling up with cement concrete 1:6:12 (1 cement : 6 coarse sand : 12 graded stone aggregate 20 mm nominal size) up to plinth level with:Cement mortar 1:6 (1 cement : 6 coarse sand)

12 mm cement plaster of mix:1:4 ( 1 cement : 4 fine sand)

Pointing on stone work with cement mortar 1:3 ( 1 cement : 3 fine sand): Flush/ Ruled pointing