Implenia leads joint venture I Total contract worth around EUR 63 million
On behalf of the Federal Republic of Germany, the Federal State of Bavaria (Autobahndirektion Südbayern) has commissioned the Implenia - Fahrner Bauunternehmung GmbH bidding consortium to build the junction connecting the “B15 neu” federal highway and the A92 motorway near Landshut.
Implenia Munich is taking the technical and commercial lead on the job, which was put out to public tender, and will also handle project management.
The “B15 neu” road from Regensburg to Rosenheim via Landshut, which will be around 130 km long, creates an additional north-south link for long-distance traffic within the federal highway network. The A92 junction near Landshut is one of the most important connection points on the new road.
The area where the “B15 neu” crosses under the A92 lies completely in groundwater, so a special groundwater “bathtub” needs to be built to protect the entire cloverleaf junction. This bathtub will be around 970 m in length, and will be made of around 70,000 m3 of reinforced concrete floor plates and 6,400 m3 of reinforced concrete walls.
Uwe Seifen is Implenia’s project manager for the job: “This is a very complex project, not least because the entire structure has to withstand very strong lifting forces caused by the high groundwater level. It requires an extremely solidly built heavyweight bathtub. I’m pleased that we have once again been given an opportunity to demonstrate Implenia’s specialist expertise in civil engineering and special foundations.”
Construction work begins in April 2020 and completion is planned for November 2023. The main concreting work is scheduled to finish in mid-2022.
The total contract is worth around EUR 63 million. Implenia’s share is a gross contract volume of around EUR 52 million (CHF 56 million).
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