II.2.2)Additional CPV code(s)42996000 Machinery for the treatment of sewage
45231100 General construction work for pipelines
45231300 Construction work for water and sewage pipelines
45232152 Pumping station construction work
45232410 Sewerage work
45232411 Foul-water piping construction work
45232421 Sewage treatment works
45232430 Water-treatment work
45240000 Construction work for water projects
45252120 Water-treatment plant construction work
45252126 Drinking-water treatment plant construction work
45252130 Sewage plant equipment
65130000 Operation of water supplies
90420000 Sewage treatment services
90481000 Operation of a sewage plant
90492000 Sewage treatment consultancy services