widening and improvements, improvements to riding quality, construction of cd works, providing paver blocks, construction of retaining walls and including up keeping for a period of 60 months on government roads in tirupur north ( highways ) , c&m, sub division. package no.43road a :- widening from intermediate lane to two lane and improvements of sivagiri - nathakadaiyur - muthur road at km 0 / 0 - 2 / 0 including widening of pipe culvert at km 0 / 6 and construction of box culvert at km 1 / 8 ( md 688 ) . including upkeeping for a period of 60 monthsroad b :- widening from intermediate lane to two lane and improvements of sivagiri - nathakadaiyur - muthur road ( md 688 ) at km 4 / 0 - 6 / 0 including upkeeping for a period of 60 monthsroad c :- widening from intermediate lane to two lane and improvements of sivagiri - nathakadaiyur - muthur road at km 6 / 0 - 8 / 0 including widening of pipe culvert at km 7 / 6 ( md 688 ) including upkeeping for a period of 60 monthsroad d :- construction of retaining wall at km 0 / 8 ( l / s ) & 13 / 10 ( r / s ) of tirupur ring road ( via ) thirumuruganpoondi - nallur - 15, velampalayam ( sh ) road e :- construction of retaining wall at km 2 / 6, 2 / 8 of nallur - chennimalaipalayam roadroad f :- providing paver block at km 2 / 2, 2 / 4 of nallur - chennimalaipalayam road using paver block for pedestrian walking.road g :- providing paver block at km 2 / 6, 2 / 8 of nallur - chennimalaipalayam road using paver block for pedestrian walking.road h :- improvements to riding quality at km 0 / 0 - 2 / 250 and 2 / 350 - 4 / 0 of anaipalayam - karattupalayam road including upkeeping for a period of 60 monthsroad i :- improvements to riding quality at km 0 / 0 - 0 / 300, 0 / 450 - 1 / 6 and 1 / 750 - 3 / 0 of chengappalli - goundampalayam road including upkeeping for a period of 60 monthsroad j :- construction of culvert at km 2 / 4 of anaipalayam - karattupalayam road in lieu of existing causewayroad k :- construction of culvert at km 0 / 4 , 1 / 8 of chengappalli - goundampalayam road