Inliner Rehabilitation Main Sewer, Linden, Germany | 
Sewer Rehabilitation, Krefeld-Oppum Repair Workshop, Germany | 
Development of Katterbacher Weg, Cologne, Germany | 
Overflow Basin for Rain-
water Fürth, Germany | | | 
Inlet Structure,
Main-Danube-Canal,
Fürth, Germany | 
Sewer Rehabilitation,
Mittenwald, Germany | 
Retention Basin Scherbs-
graben, Fürth, Germany | 
Stormwater Overflow
Basin, Steinrutschweg,
Cologne, Germany | | | 
LRT Line, Cologne,
Germany | 
Unterföhring, Germany | 
Emscher Cooperative,
Herne and Gelsenkirchen,
Stormwater Treatment
Germany | 
Brasseur Barracks,
Cologne, Germany | | | 
Stormwater Retention
and Ground Filter Basin
EXPO Grounds, Germany | 
Farrnbach Sewer Network
Calculation, Fürth, Germany | 
Schöttlkarstrasse,
Mittenwald, Germany | 
Hohe Strasse, Am Hof,
Cologne, Germany | | | 
Sewerage Master Plan,
Zweibrücken, Germany |
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