Replacement of an air supply pipe section for the biological reactors at Quinta do Conde wastewater treatment plant

Summary

The tender covers replacement of an above-ground air supply pipe section at SIMARSUL’s Quinta do Conde wastewater treatment plant. The contractor must supply and install approximately 90 metres of AISI 304 stainless-steel piping, including supports, fittings, concrete bases, welding, condensate drainage and final testing. The contract value is capped at EUR 180,000 excluding VAT and the completion period is up to 3 months. Price is the only award criterion. Tenders must be submitted by 24 September 2026 at 18:00, variant tenders are not permitted, and tenders must remain valid for 180 days. Bidders must provide a complete price tender, a full unit-price schedule, documents proving signing authority, and comply with the technical, quality, safety and social responsibility requirements set out in the tender documents.