Overview of the demolition engineering for the removal of a 125m viaduct across the Stetchford to Aston (SAS) rail line. The masonry arch structure was built in 1878 and a steel box girder underbridge was installed on the third span in 1997.
The bridge was removed and replaced as part of the HS2 enabling works.
Principal Contractor – Skanska
Demolition Contractor – Armac
Andun Engineering Consultants provided the demolition engineering support including;
- Demolition methodology
- Weight and load calculations
- Track and abutment protection design
![](https://www.andun.co.uk/wp-content/uploads/2022/06/SAS13-Bridge-Drawing.png)
![SAS13 Deck Lift Out Engineering Drawing](https://www.andun.co.uk/wp-content/uploads/2022/06/SAS13-drawing-deck-lift-out.png)
![](https://www.andun.co.uk/wp-content/uploads/2022/06/SAS13-Masonary-Arch-Demolition.png)