A tender contest for foundation works for the stretch Bergen — Fløen. The foundation works include the following:
— Rigging and operation.
— Cable channels (approx. 5 000 m).
— Cable trenches and pipe crossings (approx 30 crossings below track).
— Conduit manholes (approx. 8 000 m conduit cables and approx. 40 conduit manholes).
— Manholes (55 units).
— Foundations for electro installations (approx. 25 foundations for AS cabinets, 12 foundations; high voltage, 10 foundations for group cabinets; low voltage 13 foundations; pylons).
— Pipelines (approx. 2 200 m drain pipes, 225 m surface water pipes, 40 m
sewer pipes).
— Subdrains and culverts.
— Grade level for railway.
— Construction works.
— Support walls.
Preparation of grade level:
— Water and Sewage/drainage — the establishment and upgrading of a drainage system.
— Conveyance paths and foundations — the establishment and upgrading of conveyance paths for cables. The assembly of foundations (AS cabinets, group cabinets, pylons, contact line system, signalling).