Heading north-east on the Red Island. In Antongil Bay, between the towns of Mananara Nord and Maroantsetra, 350 Colas Madagascar employees are upgrading around twenty engineering structures on Route RNS 5.
Access to the sites is particularly difficult, requiring a major logistics operation involving the use of barges to deliver equipment to locations as close as possible to where they are needed. Work - using local materials - is being carried out manually whenever possible, except for lifting, transport and pile-driving operations. In addition to training for the local population and passing on expertise, a health program has been set up for employees and their families. Launched in April 2017, work is set to last 33 months.