Restoration of the roofs of the former Saint Michael chapel annex at Strasbourg Cathedral

Summary

The tender concerns restoration of the roofs of the former Saint Michael chapel annex at Strasbourg Cathedral. The works include renewing the copper roof of the storage area, modifying rainwater drainage on the cathedral’s south aisle, and renewing the annex roof with flat tiles. The contract has a firm tranche of 6 months and an optional tranche of 8 months, with an overall duration of 14 months. A mandatory variant concerns the installation of two dormer windows, and bidders must also price the specified additional site-installation and preparatory works. Offers must be submitted electronically in French by 1 October 2026 at 16:00. The economically most advantageous offer will be assessed using technical quality weighted at 60% and price weighted at 40%.