Details: bill no. 1 : road maintenance dismantling of flexible pavements and disposal of dismantled materials upto a lead of 5000 metres, stacking serviceable and unserviceable materials separately (reference to mort&h's specification clause 202)by mechanical means.bituminous course. tack coat providing and applying tack coat with bitumen emulsion (rs1) using emulsion pressure distributor on the prepared bituminous / granular / cement concrete pavement surface cleaned with mechanical broom and high pressure air jet( reference to mort&h's specification clause 503) i) on bituminous surface @ 0.20 - 0.30 kg./sqm. for repairing potholes. tack coat providing and applying tack coat with bitumen emulsion (rs1) using emulsion pressure distributor on the prepared bituminous / granular / cement concrete pavement surface cleaned with mechanical broom and high pressure air jet( reference to mort&h's specification clause 503) i) on bituminous surface @ 0.20 - 0.30 kg./sqm. for bituminous concrete. repairin