Test Drilling And Boring Work-Bever-Scuol-Tarasp, Tasnatunnel, Solder Boors 2025, Los 1. The Tasnatunnel In The Ardez Section - Ftan Has A Length Of 2350 Meters And Was Put Into Operation In 1913. Due To The Condition Of The Tunnel And The Increased Operational Requirements, The Tunnel Should Be Renewed. The Focus Is On A New Building Solution And A Variant That Includes The Renewal Of The Existing Tunnel With The Same Lines. As Part Of A Preliminary Project, The Possible Approaches For Operational And Structural Implementations Are Shown. In Addition To The Planner Performance, This Also Includes An In -Depth Investigation Of The Present Building Using Geological Probes. The Present Tender Includes The Probing Bores For The Geological Exploration Of The Building Ground From The Surface Of The Terrain (Lot 1). With The Scorned Probe Drilling, The Loose Rock, The Rock Surface, The Rock And The Water Conditions In The Study Area (Western Portal Area Tasnatunnel) Are To Be Explored.
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