Construction of a new sewer manhole on Roetgenbachstraße

Summary

The tender concerns the construction of a new sewer manhole on Roetgenbachstraße in Roetgen. The works include the sewer construction specified in the priced bill of quantities and accompanying plans. The manhole is planned at a depth of 3.96 m, with a 0.4 m compacted leveling layer and a design bearing resistance of 250 kN/m2. The contractor must provide suitable excavation support, account for variable ground conditions and possible rock, keep the foundation level dry, and arrange temporary water management where necessary. The bid deadline is 29 September 2026 at 09:10. Works are to start on 1 November 2026 and be completed by the end of 2026. A 5% performance security and a 3% security for defects claims are required. Alternative bids and multiple main bids are not permitted. The bidder must submit the required references, AK2 sewer construction quality certificate, liability insurance evidence and the completed tender documents.