The subject of the contract includes:

a) modernization of a section of the sanitary sewerage network in Kolska Street in Włocławek (in the area of Kolska 12 Street) by renovating the existing section of the sanitary canal with a length of about 87 m, a diameter of 400 mm along with the renovation of 3 pcs. sewer wells. Modernization works on the sanitary channel are planned to be carried out using the trenchless method using a thermosetting sealing sleeve, while in the field of sewage wells using construction chemicals, in all places where the technical condition of ducts or manholes, the method of switching on the canal, etc. requires excavation interference and where there are collisions with foreign wires, excavation works should be carried out,

b) renovation of two sewage chambers / wells located in Włocławek in Okrzei Street (at the height of Lunewil and Szpitalna Streets) – modernization using construction chemicals, including preparatory works (in particular cleaning of chambers / wells under pressure)

The subject of the contract includes:

a) modernization of a section of the sanitary sewerage network in Kolska Street in Włocławek (in the area of Kolska 12 Street) by renovating the existing section of the sanitary canal with a length of about 87 m, a diameter of 400 mm along with the renovation of 3 pcs. sewer wells. Modernization works on the sanitary channel are planned to be carried out using the trenchless method using a thermosetting sealing sleeve, while in the field of sewage wells using construction chemicals, in all places where the technical condition of ducts or manholes, the method of switching on the canal, etc. requires excavation interference and where there are collisions with foreign wires, excavation works should be carried out,

b) renovation of two sewage chambers / wells located in Włocławek in Okrzei Street (at the height of Lunewil and Szpitalna Streets) – modernization using construction chemicals, including preparatory works (in particular cleaning of chambers / wells under pressure), surface alignment, cavities, repair and reprofiling of kinets, sealing the surface of chambers / wells, sealing inlets, repairing leaks at the joints of the coils and securing the internal surfaces of the walls of the chambers by making a chemical resistant coating, replacing and supplementing the folding steps, leveling the manholes.

As part of this contract, the Contractor will also perform all works – auxiliary and accompanying works that are necessary for the proper performance of works, i.e. organization and protection of the work area and all preparatory and cleaning works along with the development of as-built documentation.