Motorway D1 Prešov West – Prešov North, Tunnel Prešov
National Motorway Company a.s.
JV D1 Prešov – Eurovia SK a.s., Eurovia CS a.s., Doprastav a.s., Metrostav a.s., Metrostav Slovakia a.s.
May 2018 – September 2020
Description of the objects:
- BO 300-06 Driven tunnel – works include driving and primary lining in the length of ca 1 000 m of tunnel from the west tunnel portal, building of secondary lining with insulation in one tube in the length of 2 000 m.
- BO 300-05 Cut-and-cover tunnel – secondary lining of the cut-and-cover tubes, base plate, top arch
- BO 300-07 Cross connections – driving and primary lining of the first escape corridor and secondary lining of the first three escape corridors
Technology of construction:
New Austrian Tunneling Method (NATM), concreting of secondary lining into mobile hydraulic steel form
Driving and building of secondary lining of tunnel Prešov from the west tunnel portal with cut-and-cover parts and escape corridors.