TransportationCentral Subway
A 3.1-mile underground extension of the Market Street subway, delivering twin bored tunnels, three underground stations and a cavern beneath an operating city centre.
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Harpers Ferry Tunnel
Emergency stabilisation and permanent rehabilitation of a historic rail tunnel.
Emergency response, temporary works and permanent repair design for a structurally distressed tunnel.
The tunnel required immediate shoring, followed by a permanent solution balancing historic fabric, modern load cases and future maintenance access.
Scope of work
- Tunnel Inspection & Rehabilitation
- Construction Management
- Structural Engineering
Project facts
- Scope
- Emergency + permanent
- Historic
- Yes
- Access
- Roped access
- Completion
- 2019
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