Project started in June 2005 and completed in 2006.

Project type: Highway tunnel.

Location: Ostrava, Czech Republic.

Tunnel on czech highway D5.
The length of the tunnel is Tunnel A (Brno - Ostrava) is 1076 m length (857 m of mined part) and tunnel B (Ostrava - Brno) is 1088 m length (868 m of mined part).m for a cross section of 70m².

NATM (New Austria Tunneling Method) sequential method - drill and blast.

Two uni-direction two lines tunnel tubes, with emergency lanes. A and B tunnel will be interconnected by 5 crosscuts passable. Every 150 meter are situated emergency niches. In the middle of the tunnel is a 40 meter length emergency bay which will allow big vehicles to turn..

Project started in 2004 and completed in 2005.

Project type: Subway Tunnel.

Location: Prague, Czech Republic.

Subway tunnel for Prague metro line C.
The length of the tunnel is 1600m .

NATM (New Austria Tunneling Method) sequential method - drill and blast.

Project started in 2004 and completed in 2005.

Project type: Railway tunnel.

Location: Hnevkov, Czech Republic.

Railway tunnel for Czech Republic rail company.
The length of the tunnel is 480m for a cross section of 70m².

NATM (New Austria Tunneling Method) sequential method - drill and blast.

There is 18 emergency niches built every 24 meters..
Length of complete tunnel (with cut-and-cover parts) is 464 m and mined part is 433 m length..

Project started in 1997 and completed in 2004.

Project type: Geological survey gallery.

Location: Visnove, Slovakia.

Geological survey gallery for future tunnel road on slovak D1 highway.
The length of the tunnel is 7480m for a cross section of 11,5m².

East portal (4500m): TBM method..

Includes special insulation application.
Second layout realised by concret wet shotscreeting.

Project started in 2003 and completed in 2004.

Project type: Geological survey gallery.

Location: Prague, Czech Republic.

Geological survey gallery N514 for Prague circuit tunnel (Lochkov - Radotin).
The length of the tunnel is 770m for a cross section of 25m².

NATM (New Austria Tunneling Method) sequential method - drill and blast.

Two tubes tunnel composed of left tube (two uni-directional lines), length 1620 m and right tube (three uni-directional lines), length 1659 m..

Project started in 2003 and completed in 2004.

Project type: Railway Tunnel.

Location: Krasikov, Czech Republic.

Tunnel for czech state railway in Krasikov (eastern Czech Republic).
The length of the tunnel is 680m .

NATM (New Austria Tunneling Method) sequential method - drill and blast.

Project started in 2003 and completed in 2004.

Project type: Highway Tunnel.

Location: Panenska, Czech Republic.

Tunnel for czech highway under Panenska hill (northern Czech Republic).Participation in drill and blast operations..
The length of the tunnel is 2100m .

NATM (New Austria Tunneling Method) sequential method - drill and blast.

Project started in 2001 and completed in 2002.

Project type: Subway tunnel.

Location: Prague, Czech Republic.

Subway tunnel for Prague metro line C.
The length of the tunnel is 1200m for a cross section of 45m².

NATM (New Austria Tunneling Method) sequential method.

Project started in 2002 and completed in 2002.

Project type: Geological survey gallery.

Location: Czech Republic.

Geological survey gallery for future road tunnel on czech highway.

NATM (New Austria Tunneling Method) sequential method.

Project started in 1996 and completed in 2000.

Project type: Highway tunnel.

Location: Branisko, Slovakia.

Half profile road tunnel under Branisko mountain for slovak D1 highway..
The length of the tunnel is 4800m for a cross section of 65m².

NATM (New Austria Tunneling Method): Sequential method - drill and blast..