Drainage and Dewatering Works for Technical Outdoor Facilities, 1st Construction Phase

Drainage and dewatering works for technical outdoor facilities: approx. 1,550 m PP sewer pipe DN 110 - DN 200; approx. 6 concrete-reinforced concrete manholes DN 1000; 2 infiltration tunnels (length 17 - 18 m, width 2.5 - 3.0 m, height 1.5 m); 1 infiltration tunnel (length 9 - 11 m, width 2.5 - 2.9 m, height 1.5 m); 1 infiltration tunnel (length 7.5 m, width 2.7 m, height 1.5 m); 1 infiltration tunnel (length 9 - 11 m, width 2.5 - 2.7 m, height 1.5 m); 2 infiltration tunnels (length 19 - 21 m, width 2.5 - 2.9 m, height 1.5 m); 1 infiltration tunnel (length 19 - 21 m, width 2.5 - 2.7 m, height 1.5 m); 2 infiltration tunnels (length 24 - 25 m, width 2.5 - 2.9 m, height 1.5 m); 1 rainwater storage tank (nominal capacity: min. 140 m³); sedimentation plant (tank inner diameter: 5,500 mm - 5,700 mm, tank height: 3,250 mm, total depth: 4,050 mm); sedimentation plant (total length: 11,600 - 12,400 mm, total width: 3,800 - 4,200 mm, total depth: 3,300 - 3,450 mm); approx. 6,300 m³ of soil for utility line trenches to be excavated, transported, backfilled, and compacted.

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