tender for annual plan-193/2024-25/kamakshy gp/ thamburankunnu dwss-water tank-thamburankunnu dwss-water tank-general civil work - pvc water tank 2 2.8.1: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 3 4.1.8:providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level:1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40 nominal size) 4 18.48:providing and placing on terrace (at all floor levels) polyethylene water storage tank :isi 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank.