Details: of wooden supports in drift including cost of materials,fitting and fixing in position complete with cost of all labour, t&p and transport as per directions of engineer-in-charge. excavation of drifts of size 1.8m(w)*2.1 m(h), rectangular section in all kinds of soil/hard rock,with disposal of excavated material in all leads and lifts, cost of all labours ,t&p, pol, explosive material and allied items, lighting & ventilation charges, and dewatering including transportation of explosive materials, all drifting equipments, t&p, pol & other accessories by mechanical & head load complete in all respect. approved overbreak (for item no.02 as mentioned above) beyond payline (10%)
Sector: Generation