Preliminary reconnaissance of 1,000 km of existing dirt-roads and their ranking in terms of improvement and construction priorities, which resulted in the earthmarking of agricultural roads for their improvement / construction; preliminary engineering design of agricultural link-roads; geotechnical, hydraulic and topographic field surveys; environmental study; final engineering design of wide agricultural road including the design of irish crossings and pipe culverts, road pavement and road furniture design; preparation of expropriations report and tender documents; management and supervision of construction, including quality control, quantities control and certification, monitoring construction programmes, reporting, as-built drawings etc.