CPV: 50000000 Repair and maintenance services, 14210000 Gravel, sand, crushed stone and aggregates, 14211100 Natural sand, 24954100 New activated carbon, 45259200 Purification-plant repair and maintenance work, 45262311 Concrete carcassing work, 45262660 Asbestos-removal work, 45500000 Hire of construction and civil engineering machinery and equipment with operator, 90650000 Asbestos removal services

CPV: 50000000 Repair and maintenance services, 43324100 Equipment for swimming pools, 44110000 Construction materials, 44170000 Plates, sheets, strip and foil related to construction materials, 44611600 Reservoirs, 45211370 Construction works for saunas, 45212212 Construction work for swimming pool, 51900000 Installation services of guidance and control systems, 42912300 Machinery and apparatus for filtering or purifying water, 45259200 Purification-plant repair and maintenance work, 50500000 Repair and maintenance services for pumps, valves, taps and metal containers and machinery, 51514110 Installation services of machinery and apparatus for filtering or purifying water, 44300000 Cable, wire and related products, 45261300 Flashing and guttering work, 50514000 Repair and maintenance services of metal containers, 50514200 Repair and maintenance services of reservoirs, 50510000 Repair and maintenance services of pumps, valves, taps and metal containers

CPV: 31720000 Electromechanical equipment, 45252100 Sewage-treatment plant construction work, 45259200 Purification-plant repair and maintenance work

CPV: 45000000 Construction work, 45111250 Ground investigation work, 45112000 Excavating and earthmoving work, 45112450 Excavation work at archaeological sites, 45112500 Earthmoving work, 45220000 Engineering works and construction works, 45221250 Underground work other than tunnels, shafts and subways, 45230000 Construction work for pipelines, communication and power lines, for highways, roads, airfields and railways; flatwork, 45231110 Pipelaying construction work, 45232431 Wastewater pumping station, 45231300 Construction work for water and sewage pipelines, 45232150 Works related to water-distribution pipelines, 45232320 Cable broadcasting lines, 45233223 Carriageway resurfacing works, 45240000 Construction work for water projects, 45244000 Marine construction works, 45247270 Reservoir construction works, 45251000 Construction works for power plants and heating plants, 45251100 Construction work for power plant, 45252100 Sewage-treatment plant construction work, 45252126 Drinking-water treatment plant construction work, 45255110 Wells construction work, 45259000 Repair and maintenance of plant, 45259200 Purification-plant repair and maintenance work, 45262522 Masonry work, 45300000 Building installation work, 45310000 Electrical installation work, 45313000 Lift and escalator installation work, 45317200 Electrical installation work of transformers, 45421140 Installation of metal joinery except doors and windows, 45454000 Restructuring work, 45454100 Restoration work