8.20 Ha. Numeric Topographic Mapping – Eğribel Tunnel Right Tube(5900m), Left Tube (5909m) – TI (391m) Single Tube, T2 (738m) Single Tube, T3 (303m) Single Tube, T4 (407m) Single Tube, T5 (208m) Single Tube, Front and Application Projects of 3 Units (371m) Snow slide Tunnels - Application of Projects of Underpass, Air hole and On-off Structures- Testing the Tunnels and Access Roads of Geological, Geothermal, Drilling and Lab, Application Projects of Tunnels of , Lighting, Ventilation, Control System and Communication Works, Energy Supply and Front Fire Fighting - Projecting of 7.68 Km Traffic System.