Construction Project
Extension of the Federal Highway A7 – 3rd construction phase |
Location
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Client
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Planning
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Investment volume
- approx. 440.0 mill. EUROS
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Construction Period
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Contracted services BMG:
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Completed constructions:
- Tunnel in open construction (L = 945 m) with the following
- Excavation (V = 70,000 m3)
- Concrete masses (V = 118,000 m3)
- Reinforcing steel (T = 13,160 t)
- Foundation piles (L = 17,500 m)
- Road construction work (F – 90,000 m2)
- Construction phase 0
- Manufacture of tunnel shoring, west side
- Erection of temporary soundproof wall
- Erection of temporary bridge and bridge demolition
- Construction phase 1
- Manufacture of foundation piles for tunnel foundation, East Tunnel
- Manufacture of East Tunnel (pile head beams, walls and ceilings)
- Road construction and drainage work, East Tunnel
- Equipment, East Tunnel and commissioning
- Construction phase 2
- Manufacture of foundation piles for tunnel foundation, Wast Tunnel
- Manufacture of West Tunnel (pile head beams, walls and ceilings)
- Road construction and drainage work, West Tunnel
- Equipment, West Tunnel and commissioning
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Special features
- Use of roof surface gained as car park- Application of noise-reducing road surface
- Soundproof tunnel and projecting soundproof walls
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Utilization
- Quality of life improved by extending the A7.
- Managing increase in traffic density from currently 152,000 vehicles to 165,000 vehicles in 2025
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