Electrical Engineering Installation Works – E39 Fløyfjell Tunnel, Upgrading Of Emergency Stations And Crm Installations. The Norwegian Public Roads Administration Currently Has Challenges With Keeping The Existing Technical Installations In The Fløyfjell Tunnel In Operation. The Automation Plant Lacks Access To Critical Spare Parts And Emergency Stations Connected To The Tunnel Has Exceeded Its Lifetime. The Existing Installations Are Old And Compound, This Involves A High Risk Of Errors And System Failures. The Upgrading Project Must Be Carried Out Without Significantly Touching The Existing Installations. The E39 Fløyfjell Tunnel Is Located In Bergen Municipality And Is The Main Thoroughfare From The North And East To The Centre Of Bergen. The Southern Lane (Towards The Centre) Was Opened For Traffic In 1989 And Has A Length Of 3,195 Metres. The Northern Lane (From The Centre) Was Opened For Traffic In 1988 And Has A Length Of 3,825 Metres. Annual Daily Traffic (Ådt) For The Tunnel Was Approx. 48,000 In 2024. Work To Be Carried Out (Not Exhaustively): New Automation Installations, New Emergency Power Supply And New Emergency Stations Shall Be Established And Commissioned Before The Old Facility Can Be Removed. The Automation Installations Shall Have The Capacity To Handle The Complete Tunnel Installations. New Emergency Power Installations Shall Be Established In New Technical Rooms That Are Supplied Directly From Respective Network Station, With New Subscriptions. New Conveying Roads Shall Be Established From New Emergency Power Rooms Towards New Pipes In The New Banquet In The Tunnel.
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