Netherlands – Sewer construction work – Reiniging, inspectie en maatregelen riolering 2026-2030

Open tender for sewer cleaning, inspection, and remedial works for the period 2026-2030, organized by the collaborative organization De Wolden Hoogeveen. The tender is divided into two lots: Lot 1 (Renovation and repair) and Lot 2 (Cleaning and inspection), both as framework agreements with a duration of 24 months (plus optional extensions up to 48 months). Total estimated value is €5,000,000 excl. VAT, with per-lot estimates of €3,000,000 and €2,000,000. Award is based on 50% price and 50% quality criteria. Submission deadline: 30 June 2026, 12:00 CEST. Only electronic submissions in Dutch are accepted. The procurement documents (leidraad) are available on TenderNed but were not fully analyzed.