CPV: 45000000 Construction work, 32420000 Network equipment, 45232430 Water-treatment work, 45252000 Construction works for sewage treatment plants, purification plants and refuse incineration plants, 45252200 Purification plant equipment, 45252210 Water purification plant construction work, 48900000 Miscellaneous software package and computer systems, 48921000 Automation system, 72000000 IT services: consulting, software development, Internet and support, 72200000 Software programming and consultancy services, 72243000 Programming services

CPV: 45252127 Wastewater treatment plant construction work, 45252200 Purification plant equipment, 45231300 Construction work for water and sewage pipelines, 45310000 Electrical installation work, 45330000 Plumbing and sanitary works, 71320000 Engineering design services

CPV: 42912350 Filtration plant equipment, 45252200 Purification plant equipment

CPV: 45232421 Sewage treatment works, 45252100 Sewage-treatment plant construction work, 45252127 Wastewater treatment plant construction work, 45252200 Purification plant equipment, 45259000 Repair and maintenance of plant

CPV: 45000000 Construction work, 45232421 Sewage treatment works, 45252000 Construction works for sewage treatment plants, purification plants and refuse incineration plants, 45252127 Wastewater treatment plant construction work, 45252200 Purification plant equipment, 45262800 Building extension work, 45262700 Building alteration work, 45454000 Restructuring work

CPV: 98341120 Portering services, 45252200 Purification plant equipment, 45500000 Hire of construction and civil engineering machinery and equipment with operator, 50100000 Repair, maintenance and associated services of vehicles and related equipment, 50110000 Repair and maintenance services of motor vehicles and associated equipment, 50112300 Car-washing and similar services, 50117000 Vehicle conversion and reconditioning services, 50300000 Repair, maintenance and associated services related to personal computers, office equipment, telecommunications and audio-visual equipment, 50410000 Repair and maintenance services of measuring, testing and checking apparatus, 50411000 Repair and maintenance services of measuring apparatus, 50413200 Repair and maintenance services of firefighting equipment, 50510000 Repair and maintenance services of pumps, valves, taps and metal containers, 50530000 Repair and maintenance services of machinery, 50531000 Repair and maintenance services for non-electrical machinery, 50532000 Repair and maintenance services of electrical machinery, apparatus and associated equipment, 50532200 Repair and maintenance services of transformers, 50610000 Repair and maintenance services of security equipment, 50712000 Repair and maintenance services of mechanical building installations, 51112200 Installation services of electricity control equipment, 51410000 Installation services of medical equipment, 51542000 Installation services of food-, beverage- and tobacco-processing machinery, 55000000 Hotel, restaurant and retail trade services, 60000000 Transport services (excl. Waste transport), 60170000 Hire of passenger transport vehicles with driver, 60180000 Hire of goods-transport vehicles with driver, 63000000 Supporting and auxiliary transport services; travel agencies services, 63122000 Warehousing services, 64110000 Postal services, 64112000 Postal services related to letters, 64210000 Telephone and data transmission services, 65100000 Water distribution and related services, 65500000 Meter reading service, 66510000 Insurance services, 66519600 Actuarial services, 71000000 Architectural, construction, engineering and inspection services, 71200000 Architectural and related services, 71248000 Supervision of project and documentation, 71300000 Engineering services, 71313000 Environmental engineering consultancy services, 71323100 Electrical power systems design services, 71323200 Plant engineering design services, 71351000 Geological, geophysical and other scientific prospecting services, 71351810 Topographical services, 71351914 Archaeological services, 71354300 Cadastral surveying services, 71620000 Analysis services, 71630000 Technical inspection and testing services, 71631430 Leak-testing services, 71632200 Non-destructive testing services, 71700000 Monitoring and control services, 72000000 IT services: consulting, software development, Internet and support, 72224000 Project management consultancy services, 73000000 Research and development services and related consultancy services, 76600000 Pipeline-inspection services, 77120000 Composting services, 77310000 Planting and maintenance services of green areas, 79132000 Certification services, 79200000 Accounting, auditing and fiscal services, 79340000 Advertising and marketing services, 79417000 Safety consultancy services, 79530000 Translation services, 79820000 Services related to printing, 79620000 Supply services of personnel including temporary staff, 79630000 Personnel services except placement and supply services, 79632000 Personnel-training services, 79700000 Investigation and security services, 79900000 Miscellaneous business and business-related services, 79940000 Collection agency services, 79952000 Event services, 79995100 Archiving services, 85140000 Miscellaneous health services, 85141000 Services provided by medical personnel, 90470000 Sewer cleaning services, 90480000 Sewerage management services, 90491000 Sewer survey services, 90510000 Refuse disposal and treatment, 90520000 Radioactive-, toxic-, medical- and hazardous waste services, 90523300 Mine sweeping services, 90711100 Risk or hazard assessment other than for construction, 90730000 Pollution tracking and monitoring and rehabilitation, 90900000 Cleaning and sanitation services, 98310000 Washing and dry-cleaning services