B 463, Westtangente Pforzheim, Arlinger Tunnel, BA 1.03

Excavation excavations and pre-incision 100 000 m 3

Outbreak main tube u. Central Operations Center 163 500 m 3

Outbreak rescue tunnel 12 100 m 3

Shotcrete securing main pipe and central operating center 150 000 m 2

Shotcrete securing rescue tunnel 24 800 m 2

Inner shell concrete Main tube and center of operation Center 32 000 m 3

Inner shell concrete rescue tunnel 6 200 m 3

Reinforcing steel main pipe and central operating center install 2 950 t

Reinforcing steel inner shell Installing rescue tunnel 630 t

Concrete angle support walls 2 080 m 3

Install unbound base courses 8 100 m 3

Bit. Base layers produce 14 500 m 2

Making asphalt binder courses 14 500 m 2

Produce asphalt base courses 14 500 m 2

Plant building 1 pc.

Fire water tank 1 pc.

Emergencies 1 pc.