The Steggja tunnel is 1 549 metre long. A breakdown bay must be blasted with an accompanying niche for a technical building. Trenches must be excavated on both side of the tunnel for electrical installations and a flushing water pipe with sand traps.
The Finnsås tunnel is 2 412 metre long. 2 breakdown bays must be blasted with accompanying niches for technical buildings. Trenches must be excavated on both side of the tunnel for electrical installations and a flushing water pipe with sand traps.
The Kolnos tunnel is 658 metre long. A breakdown bay must be blasted with an accompanying niche for technical building. Trenches must be excavated on both side of the tunnel for electrical installations and a flushing water pipe with sand traps.
The Steggja tunnel is 1 549 metre long. A breakdown bay must be blasted with an accompanying niche for a technical building. Trenches must be excavated on both side of the tunnel for electrical installations and a flushing water pipe with sand traps.
Main quantities:
— the demolition and removal of the current PE foam,
— blasting works for breakdown bays,
— blasting works for niches for technical buildings,
— the delivery of new technical buildings,
— blasting works for new emergency stations,
— new water/frost protection work,
— trenches on both sides of the tunnels,
— the delivery and installation of a prefabricated cable duct including manholes,
— new flushing water pipes with sandtraps.
The Finnsås tunnel is 2 412 metre long. Two breakdown bays must be blasted with accompanying niches for technical buildings. Trenches must be excavated on both side of the tunnel for electrical installations and a flushing water pipe with sand traps.
Main quantities:
— the demolition and removal of the current PE foam,
— blasting works for breakdown bays,
— blasting works for niches for technical buildings,
— the delivery of new technical buildings,
— blasting works for new emergency stations,
— new water/frost protection work,
— trenches on both sides of the tunnels,
— the delivery and installation of a prefabricated cable duct including manholes,
— new flushing water pipes with sandtraps.
The Kolnos tunnel is 658 metre long. A breakdown bay must be blasted with an accompanying niche for technical building. Trenches must be excavated on both side of the tunnel for electrical installations and a flushing water pipe with sand traps.
Main quantities:
— the demolition and removal of the current PE foam,
— blasting works for breakdown bays,
— blasting works for niches for technical buildings,
— the delivery of new technical buildings,
— blasting works for new emergency stations,
— new water/frost protection work,
— trenches on both sides of the tunnels,
— the delivery and installation of a prefabricated cable duct including manholes,
— new flushing water pipes with sandtraps.