Engineering Services for Ca Pass Tunnel Construction Project (BOT Section)
Project length: 13,46km, Ca Pass Tunnel: 4.125km, Co Ma Tunnel: 0.5km, approach
roads and bridges: 8.84km
Road classification: Expressway type A
Design speed: 80km/h
Tunnel work: 02 single one-direction tunnels; tunnel width 9.75m; vertical clearance: 5m; cast-in-situ RC lining constructed with NATM method.
BOT Section covers Ca Pass Tunnel and its approach roads.