DIHEC-26-IDELUX-008: Draining Storm Basin BO1 of Arlon

The purpose of this service contract is to carry out the services necessary for the complete cleaning and cleaning of the BO1 storm basin located in Arlon, on behalf of IDELUX Eau. The services include: • installation, preparation and organization of the site; • the establishment of all human, material and technical resources necessary for the execution of the services; • the opening of the concrete walls to the right of runways 1, 2, 3 and 4, in order to allow access and evacuation of sludge; • the installation of removable stainless steel cofferdams to replace the open sail parts, making it possible to ensure the closure of the runways and the maintenance of basin operating conditions; • pumping, suction, cleaning, handling and cleaning of sludge accumulated in the basin; • the evacuation of unpolluted sludge using tanks and waterproof skips, depending on their nature and physical state; • transport of sludge to treatment lines or duly authorized centers; • the treatment and recovery or elimination of sludge in accordance with the regulations in force; • cleaning the walls of runways 1, 2, 3 and 4; • complete cleaning of runways 5 and 6; • cleaning the various surfaces, gutters, structures and equipment involved in cleaning operations; • the collection and management of water generated by cleaning and sewerage operations; • the implementation of all necessary safety measures, particularly for interventions in confined spaces and in areas likely to present a dangerous or potentially explosive atmosphere; • the implementation of all measures necessary for the protection of the environment, the prevention of nuisances and the safety of workers; • the restoration and cleaning of the areas concerned at the end of the services. The quantity of sludge to be evacuated is estimated at around 1,500 tonnes.