Technical specifications

Tunnel Driving Concept

  1. Design, estimate, verification, procurement, installation, commissioning, dismantling and service for the following components:

    • System for the separation of the excavated material
      Total volume: 5,000 m³/h
    • Conveyor system for the separation system
    • Dewatering system with polymeric conditioning
    • Container system for fresh and used bentonite suspension with fittings
    • Internal pipe and feeding system
    • Bentonite mixing system and silos
    • System for the generation of compressed air
    • System to increase water pressure

  2. Provision of staff for installation, commissioning, operation and dismantling

General data

Project
JV Rastatt Tunnel
Part of the new and upgraded section of the Karlsruhe-Basel railway line
Railway tunnel, single-track
Lease of equipment & services for the TBM slurry shield works.

Client
DB Netz AG (German Railway)
Represented by DB Projektbau GmbH

Employer
JV Ed. Züblin AG, Hochtief Solutions AG

Contractor
Wayss & Freytag Ingenieurbau AG
Area Tunnelling, Department Tunnelling Technologies

Period
August 2015 to December 2017

Gross Contract Value
Approx. 5.5 m €

Purpose
Infrastructure
Kind of tunnel
Railway tunnel,
single-track
Length
2 * 4,3 km
Construction Method
TBM drive with 2 slurry shields
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