Removal and replacement of the existing waterproofing system on the flat roof of Building D1 at SGAMI South-West in Bordeaux

Summary

The tender concerns the removal and replacement of the existing waterproofing system on the flat roof of Building D1 at SGAMI South-West in Bordeaux. The works include removing the existing bituminous system, improving roof slopes, installing guardrails, checking rainwater outlets and installing a new waterproofing system suitable for photovoltaic panels. The building covers 3,100 m², has three levels and remains occupied by approximately 180 people during the works.\n\nThe contract covers 17 months, with five months for execution including two months of preparation. The indicative start date is 5 February 2027, and the submission deadline is 13 October 2026 at 12:00. A mandatory site visit is required, as is a signed confidentiality undertaking before the technical documents are released. The bidder must submit both the base offer with the required additional services and the mandatory alternative offer using the prescribed forms. The alternative concerns an EPDM membrane system suitable for photovoltaic panels and vegetation. Mandatory additional services concern telescopic guardrails and greening.\n\nThe bidder must also commit to 70 hours of social inclusion work. Offers are assessed on price (60%), technical value (30%) and environmental performance (10%).