Construction, expropriation management, social and environmental aspects of the dual carriageway of the Citronela Altos de Zaragoza section of the Buga – Buenaventura road
– Construction of a dual carriageway in two phases.
– Total road length: 28,384 m and width: 5 m.
– Earthworks volume: 9,370.9 m³.
– Backfilling with selected soil.
– Spreading of artificial gravel.
– 1,120 m of accessible ditch lined with concrete and a waterproofing layer. 8,143 m of lateral earth ditches, 1 meter wide.
– Retaining wall, 70 m long and up to 1.70 m high.
– Construction of 19 culverts with the installation of 167 m of 0.40 cm pipe and 30 prefabricated unreinforced concrete end caps.
– Installation of 140 m of metal safety barrier and 4 units with short ends.




