A major rail bridge replacement project at St Martin, Savigny-sur-Orge, was successfully completed during a 4-day operation over the Ascension weekend. The project involved replacing an existing metallic structure with a new isostatic reinforced concrete bridge.
Technical Specifications
| Component | Detail | Implementation |
|---|---|---|
| Structure Type | Isostatic RC Bridge | Complete replacement |
| Foundation | RC bearing blocks | Anchored to existing masonry |
| Duration | 4 days | Extended weekend possession |
| Client | SNCF | Infrastructure renewal |
Project Partners
| Organization | Role | Scope |
|---|---|---|
| Sogea Environnement | Lead Contractor | Project management |
| ETF | Rail Works | Track systems |
| EUROVIA | Civil Works | Ground works |
| CHOK’BETON | Concrete Supply | Material delivery |
| GEOFIT | Survey | Technical verification |
| TSO | Rail Systems | Track integration |
| TECHNIREP | Specialist Works | Technical support |
Key Implementation Elements
. Structural Works:
- Existing metallic bridge removal
- New RC bridge installation
- Bearing block construction
- Masonry integration
. Technical Coordination:
- Multi-partner integration
- Schedule management
- Resource optimization
- Quality control
. Operational Success:
- Timeline adherence
- Safety compliance
- Technical excellence
- Team collaboration
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