New E39

New E39

K11 is one of the two main contracts for the new E39 between Os and Bergen.

K11 Rådal – Nordås – Flyplassvegen

K11 is Implenias largest project in Norway, and is one of the two main contracts for the new E39 between Os and Bergen.

Project scope
The works include the construction of three tunnels; the Rå tunnel and the Sørås tunnel with a cross-section of T9,5 – T27, and a 1,5 km water tunnel with a cross-section of T5. The combined length of the tunnels is 7 km, this includes the traffic system that connects the Rå and Sørås tunnel.

The contract also includes road construction zones in Rådal, Nordås, Sørås and at Skeievatn. The day zone in Rådal contains level-separated intersections with turns from Rå and Lyshorn tunnels. The day zones at Nordås, Sørås and Skeievatn includes a connection to existing roads. In addition, ipedestrian and bicycle paths will be constructed, as well as three wooden bridges, five portals and technical buildings.

Project details

  • Contract type: Prime contract
  • Contract sum: 1439 MNOK
  • Construction time: September 2015 to February 2021
  • Developer: Norwegian Public Roads Administration, Region West
  • Client: Norwegian Public Roads Administration, Region West

Technical information
Tunnel:

  • Rock 640000 m3
  • Cast 560000 kg
  • Bolts 78000
  • Shotcrete 27000 m3
  • Concrete lining 100 m
  • Water and frost segments 50000 m2
  • Water and frost reinforced shotcrete and membrane 103 000 m2

Day zones:

  • Blasting 242 000 m3
  • Ground 570 000 m3

Concrete works:

  • Volume 26 000 m3
  • Portales 5
  • Bridges 3

Roads:

  • Total area 185 000 m2