Maintenance specification for gravity sewerage and pumping stations

Summary

The tender concerns a two-year framework agreement for maintenance of gravity sewerage, main sewage pumping stations and sub-pumping stations in Capelle aan den IJssel. The work includes cleaning and inspecting sewerage, periodic cleaning of pumping-station basements, monthly cleaning of approximately 70 critical sub-pumping stations, on-request work on more than 40 km of pressure pipelines, and a 24/7 emergency service with attendance within 2 hours. The framework agreement has a maximum value of €750,000 for the initial two-year period and may be extended twice by one year. The annual bid price may not exceed €375,000 excluding VAT. Offers must be submitted electronically in Dutch by 14 September 2026 at 10:00. Awarding is based on the economically most advantageous tender using quality-value scoring, including CVs, a performance plan, a risk dossier, an opportunity dossier, an interview and price.