Kiratpur-Ner Chowk Tunnels
Detailed Engineering Design of Five Tunnels on Kiratpur-Ner Chowk in the State of Punjab & Himachal Pradesh
Location: Punjab & Himachal Pradesh
Project Name: Engineering Services for Tunnels T2, T3, T4 & T5 on Kiratpur – Ner Chowk section of NH21 in the states of Punjab and Himachal Pradesh (HP), Concession project, India.
Project Description:
• Geological mapping and other engineering services for five tunnels
• Geological Model of Tunnel
• Lower Siwalik formation of the frontal folded belt of the Himalaya consisting of alterations of sandstones & siltstones, poor to very poor encountered geology, shear zones.
• Max. overburden ranging from 70m to 140m.
• Tunnel portal in slope debris and shear zone
• Nala close to the tunnel portal
Authority: National Highways Authority of India
Construction Cost: INR. 700 Cr.