| 1 |
Type of Scheme
|
Run of River Scheme
|
| 2 |
Location
|
| |
Union Territory
|
Jammu & Kashmir
|
|
District
|
Kishtwar
|
|
River
|
Chenab
|
|
Latitude
|
33°21'01'' N
|
|
Longitude
|
75°53'39'' E
|
| Location of Dam |
Near Village Padyarna |
| Location of Power House |
Right bank (near village Padyarna) |
| Nearest Rail Head |
Udhampur |
| Nearest Airport |
Jammu |
| 3 |
Hydrology |
| |
Catchment area at diversion site |
10325 Sq. Km |
| Design Flood |
10534 cumec |
| Location of Catchment |
|
| Latitude |
32°06'N to 33°39'N |
| Longitude |
75°55' E to 77°48'E |
| 4 |
Reservoir |
| |
Full Reservoir Level (FRL) |
EL. 1385.0 m |
| Maximum Water Level |
EL. 1385.0 m |
| Minimum Drawdown Level (MDDL) |
EL.1372.0 m |
| Gross Storage at FRL |
27.167 Mcum(22024.64 Acre feet) |
| Live Storage |
9.16 Mcum(7426.13 Acre feet) |
| Area under submergence at FRL |
0.8 Km² / 80 hectare |
| 5 |
Dam |
| |
Type |
Concrete gravity Dam |
| Length of dam at top |
195.0m |
| Elevation of top of dam |
EL.1387.0m |
| River Bed Level |
EL 1286.0m |
| Maximum Height above river bed |
101m |
| Maximum Height above deepest foundation level |
109m |
| 6 |
Spill Way |
Lower Spillway |
Upper Spillway |
| |
Type |
Orifice |
Crest |
| Width of Spillway |
68m |
16m |
| No. Of Bays |
4 No. |
1 No. |
| Crest Level of Spillway |
EL 1330.00 m |
EL 1368.0 m |
| No. & Size of Openings |
4 nos., 9.5m (W)×13.8m(H) |
1 nos., 9.5m (W)×17m(H) |
| Discharge Capacity at FRL |
10534 cumec |
| 7 |
River Diversion |
| a) |
Coffer Dam |
| |
Type |
Rockfill with central clay core |
| Top of Upstream coffer dam |
EL. 1315.0m |
| Top of Downstream coffer dam |
EL. 1292.0m |
| b) |
Diversion Tunnel |
| |
No, Diameter,Shape |
1 No; 9.5m, Horse- Shoe Shaped |
| Length |
685m |
| Diversion Discharge |
1041 cumec |
| 8 |
Intake Structure |
| |
Number |
4 No. |
| Size of openings |
5.65 m × 5.65 m |
| Invert Level |
EL. 1359.20m |
| 9 |
Energy Dissipation Arrangement |
| |
Type |
Ski- Jump Bucket with performed plunge pool |
| 10 |
Outlet for Environmental Release |
| |
Design Discharge |
Lean Period 16.49 cumec Peak Period 74.09 cumec Remaining months 16.79 cumec |
| Size of Gate |
2.6m × 2.0m |
| Crest level |
1369.90m |
| 11 |
Construction Sluice |
| |
Nos. & Size of opening |
4 no., 3.1m(W)×5m(H) |
| Crest level |
EL.1300.0m |
| Length |
128m each |
| 12 |
Pressure shaft/Penstock |
- |
| |
No.& Diameter |
4 no., 5.65m (internal) |
| Shape & Type |
Underground circular steel lined |
| Design Discharge (each Penstock) |
145.07 cumec |
| Length |
Horizontal-PS-1 = 182 m,PS-2 = 156m, PS-3 = 131m, PS-4 = 108 m
Vertical- PS-1 = 54 m,PS-2 = 67m, PS-3 = 80m, PS-4 = 93 m |
| 13 |
Power House Cavern |
| |
Type |
Underground |
| Installed Capacity |
540 MW (4 × 135 MW) |
| Type of Turbine |
Francis Vertical |
| Net Rated Head |
103.1m |
| MIV Dia and Type |
4.6 m dia butterfly valve |
| Design Discharge |
145.07 cumec (each unit) |
| Cavern Size |
140m(L)×23.3m(W)×50m(H) |
| 14 |
Transformer cum Draft tube gate cavern |
| |
Cavern Size |
116.0m(L)×17.0m(W)×16.0m(H) |
| 15 |
Tail Race Tunnel |
| |
No.& Type |
2 Nos, concrete lined |
| Dia & Shape |
9.5m, horse shoe shaped |
| Design Discharge |
290.14 cumec (each) |
| Length |
TRT-1 : 2786m TRT-2 : 2963m |
| 16 |
TRT outlet |
| |
Number |
2 nos. |
| Size of opening |
9.5m x 9.5m |
| Weir crest level |
EL. 1266.5m |
| Deck level |
EL. 1293.0m |
| Minimum TWL in River |
EL.1267.32m |
| Normal TWL in River (All operating units) |
EL. 1269.90 m |
| Maximum TWL in River (PMF) |
EL. 1291.80m |
| 17 |
Power Generation |
| |
Annual Energy Generation in 90 % dependable year |
1975.54 MU |
| Plant Load Factor |
43.02% |
| 18 |
Peaking Hours |
2.7 Hours |
| 19 |
Tariff |
| |
1st year Tariff |
Rs. 4.07/ unit |
| Levelised Tariff |
Rs. 4.44/ unit |
| 20 |
Project Cost |
Rs. 4526.12 Cr (September 2020 Price Level) |