37
Demolition of structures; Demolition of buildings; Road paving; Pipe installation services; Concreting; Soil foundation work; Underground construction; Construction of steel fabrications; Beneath ground construction work relating to foundation laying; Construction services, in relation to the following fields: Road barriers; Tunnelling; Construction of galleries; Construction of dams; Construction of bridges; Reclamation of land; Construction of drainage systems; Construction of foundations for civil engineering structures; Road construction; Construction services, in relation to the following fields: Viaducts; Construction services, in relation to the following fields: Overpass; Maintenance of roads; Infrastructure maintenance
39
Storage of waste; Storage of waste, Including radioactive waste; Removal of waste; Refuse collection services, Including industrial waste; Transport of refuse, Including hazardous waste; Transportation of waste to disposal sites
40
Destruction of trash; Recycling of waste; Waste incineration; Reclamation of material from waste; Waste and/or water treatment services; Sorting of waste and recyclable material [transformation]; Soil, waste or water treatment services [environmental remediation services]
42
Building design services; Research on building construction or city planning; Preparation of reports relating to technical project studies for construction projects; Technical project planning; Development of construction projects; Designing feasibility studies on designs; Conducting of technical feasibility studies; Research and development services in the field of engineering; Technical assessments relating to design