The work to bring motorway restraint systems into compliance in service has been the subject of the publication of an API under reference 2023/S 132-422767.
This consultation is being conducted with a view to awarding a contract for the demolition of the existing concrete barrier, the supply, manufacture and installation of extruded concrete in a running section for the compliance of the restraint systems.
The works are divided into two lots, however this consultation only concerns lot n°1: A10 motorway, section A10-A11 / Allainville, year 2024 from PR 27+620 to 46+380 - Work to bring the restraint systems into compliance year 2024. The work involves:
• installation and removal of VMS,
• demolition and removal of concrete slides (DBA),
• the supply, manufacture and implementation of extruded concrete in current section.
• the supply, manufacture and implementation of low-carbon concrete extruded in current sections
Year 2024 - Work to bring the restraint systems into compliance on the A10 motorway section of the A10/A11 / Allaines junctionII.2.4) Description of services:
Installation and removal of VMS, demolition of concrete slides (DBA), supply, manufacture and implementation of extruded concrete (DBA) in the current night section in Terre-Plein-Central on the A10 motorway from PR 27+620 to 46+380, on the A10/A11 – Allaines bifurcation section
The following quantities are indicative:
- DBA: 17850ml (about 55% low-carbon concrete)
- Concrete-to-metal connection: 9u
- DBA-Pile connection: 12u
- Protection PPHM : 3u