The subject of the contract is the implementation of an investment task – execution of construction works entitled ‘Construction of the Municipal Sewage Treatment Plant in Świecie’. Currently, municipal wastewater from the City and Commune of the World and the Commune of Bukowiec through the sanitary and combined sewage system and the network of pumping stations are directed through the speed quenching chamber to the Mechanical Municipal Sewage Treatment Plant, where they are pre-treated from floating parts and sand. They are then sent to an industrial wastewater treatment plant, the MONDI Sp. z o.o. cellulose plant, where they are subject to further treatment. The project in question aims to build a waste water treatment plant exclusively for urban waste water. To this end, it is planned to carry out renovation/modernization of existing facilities and the construction of a biological, sedimentary and biogas part with accompanying infrastructure and a treated sewage pipe with an outlet to the Wda river. After the implementation of this investment, the sewage treatment plant will include the following technological facilities: 1) Sewage part (mechanical and biological treatment): a) Speed-extinguishing enclosure locked with the separation enclosure – vol. 01 – modernised, b) Mechanical sewage treatment building – vol. 02 – modernised, c) Sewage pumping station – ob. 03 – modernised, (d) Incoming sewage collection station – 04 – designed, (e) Pre-settlers – ob. 05.1, 05.2 – designed, f) Pre-/retention settler – ob. 06 – designed, (g) PIX tank – vol. 07 – projected, h) Biological reactor – ob. 08 and 09 – designed, (i) Secondary settlers – vol. 10.1, 10.2, 10.3, 10.4 – designed, j) Pumping station and blower building – vol. 11 – designed, k) Process water reservoir – vol. 12 – designed, (l) Sheep and pre-sludge reservoir – vol. 13 – designed, m) Treated sewage tank – vol. 14 – Designed. (2) Sedimentary part: Gravitational thickeners for excess sludge – ob. 15.1, 15.2 – designed, (b) Fermented sludge tank/preliminary sludge thickener – vol. 16 – Designed, (c) Catching air biofilter – vol. 17 – planned, d) Drainage building – vol. 19 – projected, (e) Dehydrated sludge shed – ob. 20 – designed, (f) Lime silo – ob. 21 – planned, (g) Operating building – ob.26 – planned. 3) Biogas part: a) Separate Fermentation Chamber (WKFz) – ob.22 – projected, b) Biogas flare – ob.23 – projected, c) Distribution – measuring node – ob.24 – projected, d) Desulphurisation station – ob.25 – projected, e) Biogas tank – ob.30 – projected, f) Inter-object networks with: dehumidification module – ob.B.01, siloxane reduction filters – ob.B.02. necessary armament and wells 4) Accompanying facilities: a) Trafostacja – ob.18 – projected, b) Energy and thermal building – ob.27 – projected, c) Administrative and social building – ob.29 – projected, d) Place and manoeuvring roads, e) Inter-object networks with the necessary armament, valve chambers and wells, f) Pipeline discharging the treated wastewater into the river Wdy. 4.5 Contract names and codes according to the Common Procurement Vocabulary: 45252127-4 Waste water treatment plant construction work; 45100000-8 Site preparation for construction; 45111300-1 Demolition works; 45200000-0 Construction work for the erection of complete construction works; 45300000-0 Construction installation works; 45311000-0 Electrical wiring and installation works; 45331210-1 Ventilation systems; 45400000-0 Finishing works for construction works; 45310000-3 Electrical installation works; 45233140-3 Road works; 45252200-0 Sewage treatment plant equipment; 45262310-7 Reinforcement works; 45262311-4 Concrete and reinforced concrete works; 45223100-7 Installation of metal structures; 45262500-6 Masonry and masonry work; 45332000-3 Water and sewage installation works; 45231300-8 Construction work for water and sewage pipelines.
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