Benton Tunnel or Malakand Tunnel is a 11,235 feet or roughly 2 mile long unlined canal tunnel located in Malakand District, Khyber Pakhtunkhwa. It is a part of the Upper Swat Canal project.[1]
| Overview | |
|---|---|
| Other name(s) | Malakand Tunnel |
| Location | Batkhela, Malakand District, Khyber Pakhtunkhwa |
| Status | Open |
| Waterway | Upper Swat Canal |
| Operation | |
| Work begun | March 1910 |
| Opened | April 1914 |
| Owner | Water & Power Development Authority |
| Character | Canal tunnel |
| Technical | |
| Design engineer | W.P Sangster |
| Length | 11,235 feet (2 miles) |
| Operating speed | 11.6 feet per second |
| Tunnel clearance | 13.5 feet |
| Width | 18 feet maximum |
| Water Depth | 6.5 feet |
| Grade | 1:215 slope |
References
edit- ^ Engineering Conference, Simla: 1913 ... Vol. 2. India: Superintendent Government Printing, India (published 19 April 2012). 1915. p. 333.