Tenders Are Invited For Engineering Services - B 463, Operational Retrofitting Of The Laufen Tunnel

Engineering Services - B 463, Operational Retrofitting Of The Laufen Tunnel. The Operational Equipment Will Be Adapted To The Current Rabt Standard. In Addition, The Groundwater Intrusions That Have Occurred To Date On The Inside Of The Tunnel Should Be Addressed (In The Block Joints) On The North And South Sides. The Technical One Retrofitting The Tunnel According To Rabt Is Required Due To The Complete Renovation Of The Tunnel Operational Equipment To Keep The Tunnel Up To Date With The Latest Technical Standards Bring Extensive Structural Measures. The Structural Measures Are Described Below Described In More Detail. Measures In The Tunnel: For The Installation Of Additional Tunnel Equipment Elements And The Additional Drainage Measures Must First Be Completed With Emergency Walkways Including Empty Pipes And Drainage Pipes Must Be Removed. The Required Recesses Will Be Made On It Inserted Into The Facing Shell Or The Unreinforced Primary Piles. For Improvement Due To The Drainage Effect Along The Outer Walls Of The Tunnel, The Block Joints Are Broken Up And Drain Mats Installed. For The Extinguishing Water Pipe, After Removing The Black Cover Is A Longitudinal Ditch With The Associated Side Connections To The Hydrants Manufactured. The Tunnel Equipment Elements Are Then Installed. New Building Accident And Extinguishing Water Basin: The Emergency And Extinguishing Water Basins Are Located In The Area Of ​​The West Portal To Lie. Both Pools Will Be Realized In One Building. The Accident Basin Will Located Below The Top Edge Of The Terrain. The Extinguishing Water Basin Is Located Directly On The Emergency Basin Arranged. The Pools Are Designed As A Water-Impermeable Construction (Wubko). Ztv Engineer Trained. The Foundation Is Laid Flat In The Existing Subsoil. The Excavation Pit Is Realized With Floor Nailing. The Entire Pool Is Made From Structural Physics Reasons Provided With External Thermal Insulation (Etics). Furthermore, Will The Necessary Supply And Drainage Lines Were Constructed In The West Portal Apron. Renovation Of Existing Ones Emergency Exit: Due To The Necessary Forced Ventilation Of The Emergency Staircase In The Event Of A Fire Entering The Tunnel, Excess Pressure Must Be Created In The Stairwell. Thats Why Perforated Sheets Are Replaced By Pressure-Tight Sheet Metal Cladding. The Production The Excess Pressure Is Removed Via A Ventilation Unit Located Above Ground Next To The Emergency Exit Is Set Up. Openings Must Be Made To Introduce The Air Flow Into The Stairwell Be Carried Out In Inventory. Conversion Of The Existing Lsw Service Door On The East Portal: The Existing Noise Protection Elements Above And To The Side Of The Existing Door Will Be Removed. The Horizontal Support Elements Lsw Posts And Base Elements Are Then Converted. The Base Elements And The Foundation Are Being Rebuilt. The New One Is Then Installed Post And The Adapted Lsw Elements. Expansion Of The Existing Company Building An Ült Room: The Existing Company Building Will Be Expanded To Include An Additional Ült Room Expanded. For This Purpose, The Entire Company Building Will Be Increased By One Floor. In Addition The Existing Attic Including The Roof Structure Will Be Demolished. The Building Will Be Increased Designed As A Reinforced Concrete Structure. It Will Again Be A Flat Roof With Extensive Greenery Installed. The Entire Company Building (Existing And New Building) Is Made Of Building Physics Reasons Provided With External Thermal Insulation (Etics). The Approach To The New The First Floor Is Accessed Via A Newly Constructed Access Staircase Including An Entrance Podium Height Of The Previous Intermediate Platform. There Must Be Existing Ones In The Existing Company Building Openings Are Closed. The Creation Of New Openings Is Carried Out On A Basis The Redesign On The Ground Floor. Photovoltaics The Tunnel Supply Is Planned (Electricity) To Be Realized Using Photovoltaics. The Photovoltaic Elements Should Be On Surfaces Be Realized At The West And East Portals And In The Middle Of The Tunnel. Technical Equipment All Existing Technical Equipment Will Be Removed. According To Eabt - 80/100 The Tunnel Will Be Brought Up To The Latest Feasible Technical Standards.