The award was published through a Contract Award Notice dated 15 January 2026 and released publicly on 16 January 2026. The project forms part of a multi-phase urban redevelopment initiative aimed at improving traffic flow, infrastructure resilience, and service networks in the city center.
Contract Details
The contract is classified as a public works procurement under reference number 50-TK-O-15-25. It includes the first and second construction phases (1. + 2. BA) of the Innenstadtring, with a particular focus on the Loberbrücke and surrounding transport corridors.
The scope combines traffic infrastructure, civil engineering, and comprehensive renewal of utility networks, integrating road construction with sewage, water, gas, electricity, district heating, and street lighting works.
Scope of Works
Key construction activities include reinforced concrete works for the Loberbrücke, extensive earthworks, and installation of stormwater (SW) and wastewater (RW) sewer systems using both open-cut and trenchless construction methods.
Road construction works cover asphalt paving, paving stone installation for roadways, sidewalks, and parking areas, curb installation, and full reconstruction of traffic surfaces across both construction phases. The project also includes the installation and renewal of district heating lines, power cables, gas pipelines, drinking water lines, and modern street lighting infrastructure.
Entities Involved
- Procuring Authority: City of Bitterfeld-Wolfen, Submissionsstelle
- Winning Contractor: Grötz Bauunternehmung GmbH, Kabelsketal OT Schwoitsch
- Contract Type: Works
- Estimated Contract Value: EUR 4,724,884.99
- CPV Codes: 45233120, 45247110, 44162500, 44161100, 34993000, 45221111
Significance of the Contract
The Innenstadtring project represents a significant investment in Bitterfeld-Wolfen’s urban transport and utility infrastructure. By combining road reconstruction with coordinated utility upgrades, the city aims to minimize future disruptions while improving traffic safety, drainage performance, and service reliability.
From a procurement and economic perspective, the contract supports regional construction capacity and demonstrates the importance of municipal government contracts in driving integrated urban development.
Contractor Background
Grötz Bauunternehmung GmbH is a German civil engineering and construction company with experience in road construction, bridge works, and underground infrastructure projects. The firm has delivered numerous public-sector projects across central and eastern Germany.
Conclusion and Next Steps
With the contract now awarded, construction activities for the Innenstadtring project are expected to proceed in phases in accordance with the city’s implementation schedule. The award highlights the strategic role of public procurement in modernizing urban infrastructure and supporting sustainable city development in Germany.
“Integrated road and utility projects such as the Innenstadtring are essential for long-term urban functionality and resilience,” a neutral infrastructure industry observer commented.
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