255SEC26 – Rehabilitation works for sewer collectors using the CIPP method (relining) – 3 – PC531/2026

Summary

The tender concerns public works for rehabilitating sewer collectors in Porto using the CIPP relining method. The estimated base price is EUR 3,000,000 excluding VAT, the contract term is 840 days, and the price is the only award criterion. Bids must be submitted electronically through the ACIN platform by 2 October 2026 at 23:59. Variant bids are not allowed, and a performance guarantee of 5% of the contract price is required.