Commissioning Of The Rainwater And Waste Water Collectors On The Kirchberg Plateau Planned Execution: Sewer Renovation In Closed Construction: Approx. 12,500 M Sewer Renovation Using Liners Dn 200 To Dn 1200, Various Curing Processes Approx. 400 M Brawoliner Dn 100 To Dn 300 Approx. 520 Pieces Renovate Inlets, Using Robot Technology, Approx. 10 Pieces Of Short Liners Dn 200 To Dn 500, Approx. 10 Pieces Of Hat Liners From Dn 250/150 To Dn 600/150, Approx. 400 Pieces Of Stainless Steel Collars From Dn 200 To Dn 800 Sewer Renovation In Open Construction: Approx. 500 M Of Sewer Renewal Dn 250 To Dn 630, Approx. 5 Pieces Of New Construction Of Sewer Shafts Or Sewer Structures, Approx. 15 Pieces Of Head Hole For Partial Renovation. Start Of Execution September 2026 Duration Of Construction Work 4 Years