For over 20 years, the French Scientific and Technical Centre for Construction (CSTB) has been using the e-Reef to disseminate knowledge to building stakeholders by giving them easier access to technical and regulatory texts related to the construction sector: legislative texts, DTU standards, CPT, Heat regulations, Eurocodes and other standards.
http://reef.cstb.fr

It covers all construction-related themes including building techniques, regulatory requirements, works contracts and urban planning rules for all projects and works: new, renovation, rehabilitation, securing, maintenance and operation.