Replacement construction of combined sewer secondary collector and co-laying of drinking water pipeline

General construction works: site setup, traffic safety. Renewal of a combined sewer secondary collector: 223 m DN400 stoneware pipes and 5 m DN400 PP pipes in open trench construction, including earthworks and surface restoration; renewal of 3 inspection shafts DN1200 (prefabricated concrete shaft) and 1 inspection shaft DN1500 (masonry shaft base). Construction of combined sewer property connections: 12 inspection shafts DN400 and renewal of 12 wastewater property lines DN150. Construction of 6 road gullies including connection lines. Laying of a drinking water pipeline: 295 m PE100 da 160x14.6 and 12 m PE100 da 110x10.0 in open trench construction, including earthworks and surface restoration; construction of 8 drinking water property connections with valve tapping saddles and connection lines made of PE100 da 32.

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