Sewa-II hydroelectric power project
Sewa-II is a hydroelectric power station located in the Mashka, Kathua district in Jammu and Kashmir state. It is constructed by NHPC Limited on the Sewa River, a tributary of the Ravi River. It is a concrete gravity-type dam. The height & length of the dam are 53 m & 114 m. The Head race tunnel is horseshoe-shaped with a dia. of 3.3 m & a length is 10.084 km. The total length of the penstock is 826.06 m. The tailrace channel is an open channel with a size of (3.5 × 4.55) m. TRC has three unit lengths of the units are 28 m,39 m & 50 m respectively. The output capacity of the project is 120 MW, i.e, (40×3) MW.
Encardio-rite was awarded the sub-contract for supply as well as installation of safety monitoring instrumentation for the Dam, powerhouse, headrace tunnel, and desilting chambers. The instrumentation included:
- Piezometers
- Joint meters - uniaxial
- Joint meters - triaxial
- Load Cells
- Borehole extensometer – multipoint
- Surface settlement points
- Bireflex targets
| Project Details | Sewa-II hydroelectric power project |
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| Location | Mashka, Jammu & Kashmir, India |
| Client | National Hydropower Corporation India (NHPC) |
| Contractor | Gammon Engineers & Contractors Pvt. Ltd |
| Year | 2007 |