Energy-efficient renovation of two residential buildings in Gdansk

09331200, Solar photovoltaic modules.

45100000, Site preparation work.

45110000, Building demolition and wrecking work and earthmoving work.

45111213, Site-clearance work.

45111220, Scrub-removal work.

45111291, Site-development work.

45111300, Dismantling works.

45220000, Engineering works and construction works.

45223000, Structures construction work.

45231300, Construction work for water and sewage pipelines.

45233222, Paving and asphalting works.

45232410, Sewerage work.

45232460, Sanitary works.

45260000, Roof works and other special trade construction works.

45262300, Concrete work.

45262310, Reinforced-concrete work.

45300000, Building installation work.

45310000, Electrical installation work.

45314000, Installation of telecommunications equipment.

45314300, Installation of cable infrastructure.

45315600, Low-voltage installation work.

45317300, Electrical installation work of electrical distribution apparatus.

45320000, Insulation work.

45321000, Thermal insulation work.

45311000, Electrical wiring and fitting work.

45331000, Heating, ventilation and air-conditioning installation work.

45312100, Fire-alarm system installation work.

45316000, Installation work of illumination and signalling systems.

45331100, Central-heating installation work.

45332000, Plumbing and drain-laying work.

45332200, Water plumbing work.

45332300, Drain-laying work.

45332400, Sanitary fixture installation work.

45410000, Plastering work.

45420000, Joinery and carpentry installation work.

45421100, Installation of doors and windows and related components.

45430000, Floor and wall covering work.

45442100, Painting work.

45450000, Other building completion work.

45453000, Overhaul and refurbishment work.

45233253, Surface work for footpaths.

45233340, Foundation work for footpaths.

77310000, Planting and maintenance services of green areas.

71351914, Archaeological services.