D2 Bratislava, Lamačská cesta – Staré grunty
Sitina Tunnel section, SO 401 North portal for tunnel boring
Client: TAISEI corporation
Superior Contractor: Banské stavby a. s.
Construction technology:
- shotcrete of 100 mm width – wet nailed 3 740 m2
- shotcrete of 150 mm width – wet nailed 576 m2
- earth cable anchors 725 m
- micropiles D 200 mm / micropile umbrella 1 300 m2
Construction period: November 2003 – January 2004