BMG GmbH & Co. KG - Keithstrasse 2-4 - D-10787 Berlin | Tel: +49 (0)30 2100220

PDB 114

Construction Project
Extension of the Federal Highway A7 – 3rd construction phase
Location
  • Hamburg
Client
  • DEGES
Planning
  • DEGES
Investment volume
  • approx. 440.0 mill. EUROS
Construction Period
  • 2016 to 2020
Contracted services BMG:
  • Technical auditing
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 
Special features
  • Use of roof surface gained as car park- Application of noise-reducing road surface
  • Soundproof tunnel and projecting soundproof walls
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