New construction of Rietberg fire station – ground improvement and specialist foundation engineering

Summary

The tender concerns ground improvement and specialist foundation engineering for the City of Rietberg’s single-storey fire station. The contractor must prepare the execution design, design the columns and set out their positions, and construct approximately 507 unreinforced special-concrete displacement columns with an average length of approximately 6.0 m. After construction, the column heads must be cut to the required level and adapted to the foundation level. All execution parameters must be recorded and documented electronically during the works, followed by submission of as-built documents, production records and layout plans. The estimated contract value is EUR 192,706.70 and the tender submission deadline is 17 September 2026.