Projet MI20 – GAB Phase II – Adaptation des infrastructures de la ligne B du RER – Travaux de génie civil de mise en conformité des quais des gares de Saint Rémy lès Chevreuse, Lozère, Courcelle sur Yvette et Antony (zones UFR 4V et 8V) sous ITC (Interruption Temporaire de Circulation)

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This consultation is part of the MI20 Project – GAB Phase II, aimed at adapting the infrastructures of RER Line B to allow operation of the new MI20 rolling stock (Interconnected Material ordered in 2020). The new rolling stock, compliant with the FR3.3 loading gauge, requires compliance of platform height and adaptation of their geometry to ensure respect of the railway loading gauge and accessibility for persons with reduced mobility at the UFR zones (4V and 8V). This lot includes a firm tranche concerning Lozère, Saint Rémy lès Chevreuse and Courcelle sur Yvette stations as well as a conditional tranche related to works at Antony station. The works notably include (this list is not exhaustive): - Execution studies, calculation notes, methods and phasings; - Topographical surveys, staking out and structural inspections; - Site installations on roads and at stations; - Preparatory works (protections, removals, demolitions, earthworks, etc.); - Demolition, sawing, coring and debris evacuation; - Cutting works on platform noses; - Civil engineering works (formwork, reinforcement, concreting, raising or lowering platforms, etc.); - Finishing works (masonry, painting, tactile…

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