Mithat Paşa Tunnel: Production of 8.20 ha 1/1000-scaled digital map; – Drafting the project designs for T1 (191 m single tube) and T2 (1556 m single tube) tunnels; – Drafting of Construction Drawings for 2 km Link Road and 2 ea. at grade junctions as well as traffic projects in connection therewith; – Execution of soil survey engineering services for the tunnels and link roads; and – Drafting of preliminary and electromechanical construction drawings for the lighting, ventilation, control system and communication, power supply and firefighting systems of the tunnels 

Sabuncu Beli Tunnel: – Production of 292.57 ha 1/1000-scaled digital map; – Drafting of the left tube (2856 m single tube) and the right tube (2870 m single tube) tunnels project designs; – Drafting of Construction Drawings for junctions at different grades (L = 51.60 m), – 1.2 km Link Road and 1 ea. bridge crossing as well as traffic projects in connection therewith; – Execution of soil survey engineering services for the tunnels and link roads; and – Drafting of preliminary and electromechanical construction drawings for the lighting, ventilation, control system and communication, power supply and firefighting systems of the tunnels

Ovit Mountain Tunnel: Production of 107.30 ha 1/1000-scaled digital map; – Drafting of the 14695 m tunnel preliminary and construction drawing projects designed according to TBM Method; – Drafting of the Avalanche Tunnel (L=300m) construction drawings; – Drafting of Construction Drawings for 2.3 km Link Road and 2 ea. at grade junction as well as traffic projects in connection therewith; – Execution of soil survey engineering services for the tunnels and link roads; and – Drafting of preliminary and electromechanical construction drawings for the lighting, ventilation, control system and communication, power supply and firefighting systems of the tunnels