Details: item description/ heading demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of engineer - in - charge. nominal concrete 1:3:6 or richer mix (i/c equivalent design mix) dismantling g.i. pipes (external work) including excavation and refilling trenches after taking out the pipes, manually/ by mechanical means including stacking of pipes within 50 metres lead as per direction of engineer-in-charge : 15 mm to 40 mm nominal bore providing and fixing g.i. pipes complete with g.i. fittings and clamps, i/c cutting and making good the walls etc. internal work - exposed on wall 15 mm dia nominal bore providing and fixing g.i. pipes complete with g.i. fittings including trenching and refilling etc. external work. 20 mm dia nominal bore providing and fixing g.i. pipes complete with g.i. fittings including trenching and refilling etc. external work. 80 mm dia nominal bore providing and fixing c.i. sluice valves (with c
Sector: Mining