Due to the excessive volume of water during heavy rains underground rain water storage tanks where rainwater is stored and, if overflows, drained to the sewer network were necessary.
Tanks manufactured from spirally corrugated pipes (50 m3 + 50 m3) interconnected with pipe. Tank diameter – 2400 mm, length – 11 m.
After the installation of the required size of cutting, tanks were installed in the project location. Tank capacity – 100 m3. Rainwater collected from the roof of the building sewer networks and drained to design containers, where slowly – 25 l / s flow – is discharged into the city storm water network DN300.
After the installation of steel waste water tanks, water and rainwater collection was ensured. Strength of the structures were ensured by selecting rational wall thickness. Also, the use of the „Trenchcoat“ anticorrosion coating, ensured the durability of the reservoir.
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