Rehabilitation works at the Castelo de Paiva water treatment plant

Summary

The tender concerns rehabilitation works at the water treatment plant (ETA) in Castelo de Paiva. The estimated contract value is EUR 4,900,000 excluding VAT, and the contract period is 550 days. Bids must be submitted electronically by 4 November 2026 at 23:59 and remain valid for 90 days from the bid submission deadline. Variant bids are not permitted, and a performance guarantee of 5% of the contract price is required. The evaluation weights price at 60% and quality at 40%; electronic invoicing is required.