CASE STUDIES
Enhancing sewer systems and quality of life in North Rhine-Westphalia, Germany
Lange Street in Detmold, a city in North Rhine-Westphalia, Germany, and one of the country's most beautiful shopping streets with a substantial number of well-preserved historic buildings, has undergone a comprehensive redesign and wastewater system upgrade.
The overall goal was to enhance the quality of visit and overall experience in the inner-city pedestrian zone by adding new trees, benches, fountains, lighting and paving to improve accessibility.
This opportunity was also used to upgrade the underground utility infrastructure, including the renewal of the combined sewer and stormwater drainage systems, along with the residential connection pipes.
The project: Complete renewal of utility infrastructure
The city of Detmold put the construction project out to tender across Europe. The engineering firm, Bockermann Fritze, and the landscape architects, Kortemeier Brokmann, were commissioned to carry out the planning, while civil engineering works were carried out by Strabag AG.
Steinzeug-Keramo supplied its vitrified clay pipes for the construction of the underground wastewater infrastructure, utilising its longstanding expertise.
The construction project was divided into three phases, with the first phase completed in 2024. During this initial stage, the 115- metre stretch between the market square and Exterstraße street was prepared for open-cut sewer pipe installation. This involved excavation to create a trench, then laying a gravel bed to provide a stable foundation for the Steinzeug-Keramo vitrified clay pipes, ensuring adequate support and alignment.
Despite the road being only 15 metres wide, half of it remained in use to ensure all shops remained accessible and outdoor dining continued as normal.
In addition to the sewer system, the district heating network and 10 | July 2025 |
draintraderltd.com
the supply lines for gas, water and electricity were renewed, and empty conduit routes were installed for future or temporary use.
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24 |
Page 25 |
Page 26 |
Page 27 |
Page 28 |
Page 29 |
Page 30 |
Page 31 |
Page 32 |
Page 33 |
Page 34 |
Page 35 |
Page 36 |
Page 37 |
Page 38 |
Page 39 |
Page 40 |
Page 41 |
Page 42 |
Page 43 |
Page 44 |
Page 45 |
Page 46 |
Page 47 |
Page 48 |
Page 49 |
Page 50 |
Page 51 |
Page 52 |
Page 53 |
Page 54 |
Page 55 |
Page 56 |
Page 57 |
Page 58 |
Page 59 |
Page 60 |
Page 61 |
Page 62 |
Page 63 |
Page 64 |
Page 65 |
Page 66 |
Page 67 |
Page 68 |
Page 69 |
Page 70 |
Page 71 |
Page 72 |
Page 73 |
Page 74 |
Page 75 |
Page 76 |
Page 77 |
Page 78 |
Page 79 |
Page 80 |
Page 81 |
Page 82 |
Page 83 |
Page 84
