Renovation of the heating systems of three churches in Gravelines

Summary

The tender covers construction works for the complete renovation of the heating systems and boiler rooms of three churches in Gravelines: Saint Willibrord Church, Notre-Dame du Perpétuel Secours Church and Saint Thomas Becket Church. Tenders must be submitted by 9 October 2026 at 12:00. Evaluation will consider the execution period (20%), price (50%), technical merit (20%) and environmental performance (10%). Bidders must provide a detailed work schedule, technical information, staff CVs, a replacement methodology and environmental data. A single site visit will take place on 25 September 2026 at 09:00 at the entrance to Saint Willibrord Church in central Gravelines.