Peja WWTP – Successful Acceptance of the Fully Biological Sewage Treatment Plant in Kosovo

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February 2022

Peja WWTP – Successful Acceptance of the Fully Biological Sewage Treatment Plant in Kosovo

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The construction work is complete, wastewater is being delivered via the upgraded sewer systems and treatment has begun. A new, central, fully biological wastewater treatment plant now receives and processes the sewage from the western Kosovan city of Peja. The contractual acceptance date was 1^st February 2022 and the local water supplier has now taken over responsibility for operation and maintenance. Planning for the new plant with an initial treatment capacity of 81,000 population equivalents began in February 2018 and WWTP Peja is now one of the first of its kind being operated in Kosovo. The new facility will make a huge contribution to improvements in the quality and the sustainability of both precious local water resources and the living conditions of the Project area’s residents, as well as many of those living downstream. In addition to the treatment, an anaerobic-mesophilic digester stabilises the sewage sludge and CHP units (converting the gases produced to heat and electricity) satisfy much of the plant’s power demand. In the urban areas of Kosovo, sewage systems for wastewater collection are very often available but the country lacks municipal and industrial sewage treatment plants. This means the direct discharge of untreated waste to the environment is widespread, a problem now overcome in Peja. The extensive sewage collection and treatment measures implemented as part of this Project were financed by KfW, SECO, local funds from the municipality and the government of the Republic of Kosovo itself. The total costs for the design and construction of around 8 kilometres of new sewage collection and conveyance systems, stormwater overflows and the wastewater treatment plant amounted to around € 23 million. HIDRODINI engaged DAHLEM to provide the planning, tendering and procurement and construction supervision services for both the sewage treatment plant and the additional sewers.

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Oktober 2023

Wasserstadt Aden - start of construction for Lake Aden

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Despite the constant rain: the official ground-breaking ceremony on 27.10.2023 marks the final phase of the construction of the new Adensee lake in Bergkamen. The lake will be around 780 meters long and 80 meters wide, covering an area of around 6.2 hectares. It will be continued in a canal around 600 meters long and 35 centimeters deep. After several million cubic meters of soil have already been moved in advance to prepare the site for the lake, the complex work of sealing and creating the steep and shallow banks is now beginning. The Adensee will be directly connected to the Datteln-Hamm Canal so that it can be navigated by boat for residents and guests. It is the heart of the future residential quarter "Wasserstadt Aden". A residential quarter is being created on the approximately 55-hectare site of the former Haus Aden colliery site, which also offers space for commercial enterprises. Based on DAHLEM's planning and tendering in a joint venture, the city of Bergkamen commissioned DAHLEM with the construction supervision for the Adensee in a further step.

September 2019

Climate Change Challenges Also Water Supply Companies - Expansion of the Ried-Süd Potable Water Pipeline

The Rhine-Main area is booming and with the increase in population, the demand for potable water is also rising. It is the second dry summer in a row. However, the amount of water needed is not the problem, its distribution is, say the experts at the Hessen Water company. The company intends to build a reduntant potable water transport pipeline west of Darmstadt. The length of the planned steel pipeline with a diameter of DN 1000 will be about 17.4 km from Riedstadt-Wolfskehlen to Gernsheim-Allmendfeld (waterworks). This also includes a connection to the Eschollbrücken waterworks and a booster station to be built there. The route is partly located in potable water protection areas, crosses a Natura 2000 site and often finds itseld in areas with high groundwater levels. For the approval of the potable water transport pipeline, Hessen Water will apply for a planning approval procedure with public participation at the Darmstadt Regional Council. DAHLEM, as part of a joint venture, provides the technical engineering services for the planning of the construction measure (design, approval and implementation planning as well as preparation and participation in the contract award procedures).

September 2019

Pelkumer Feld in Gladbeck – renaturated route of the Boye flooded

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Large excavation of 95.000 tons of earth was necessary to move the former, dead straight and musty-smelling Köttelbecke into the new stream bed in the Pelkum field. Freed from dirty water, the renaturated border stream between Bottrop and Gladbeck now meanders cleanly through the reed-covered landscape. The measure is part of the Emscher Renaturation Generation Project and was celebrated on 18.09.2019 with Lord Mayor Bernd Tischler, City of Bottrop, Mayor Ulrich Roland, City of Gladbeck and the board members of the Emschergenossenschaft Prof. Dr. Uli Paetzel and Dr. Emanuel Grün. Emschergenossenschaft is investing a total of around five billion Euro in the generation project. In this way, the association is making a contribution to urban development and climate protection, said Paetzel. The enlarged water surface helps cool off heat islands and becomes a biotope for strengthening biodiversity. DAHLEM was commissioned with the construction planning for the conversion of the water body up to the involvement in the contract award.