Rohtang Tunnel
Rohtang Tunnel
Out of a planned length of 8.80 km of the tunnel on Manali-Leh road the progress is as under:
| Item | Length
(in Km) |
Total
(in Km) |
|
| South Portal | North Portal
|
||
| Heading | 2.90 | 3.10 | 6.0 |
| Proper Benching | 1.79 | 1.34 | 3.13 |
| Egress element Excavation | 1.66 | 0.66 | 2.32 |
| Laying of kicker | 1.63 | 0.56 | 2.19 |
| Final Arch lining | 1.28 | – | 1.28 |
The reasons for the delay in completion are as under:
- Encountering of Seri Nallah Fault Zone at the South Portal.
- Variation between tendered rock class and encountered rock class.
- Limited working season.
The expenditure incurred so far for the construction of the tunnel is Rs. 1335 crores against an allotment of Rs. 1458 crores. The revised time line for the completion of the project is August 2019.
The Government has taken the following steps to expedite the completion of this project:
o A Steering Committee has been constituted to review the progress of construction of Rohtang tunnel.
o Various agencies like Department of Science and technology (DST), National Institute of Rock Mechanics (NIRM) Bangalore, Central Institute of Mining and Fuel Research (CIMFR) Nagpur and Wadia Institute of Himalayan Geology Dehradun are consulted for remedial measures to be taken to tackle the encountered poor geological conditions in the tunnels.
o BRO has advised the Contractor to deploy more resources.
This information was given by Defence Minister Shri Manohar Parrikar in a written reply to Shri A P Jithender Reddy in Lok Sabha today.
DM/NAMPI/RAJ
