1 |
Type of Scheme |
Run of River Scheme |
2 |
Location |
|
Union Territory
|
Jammu & Kashmir |
District |
Kishtwar |
River |
Chenab |
Latitude |
33°20'37'' N |
Longitude |
75°57'34'' E |
Location of Dam |
Near village Kiru/Patharnakki |
Location of Power House |
Left bank (near village Kiru) |
Nearest Rail Head |
Udhampur |
Nearest Airport |
Jammu |
3 |
Hydrology |
|
Catchment area at diversion site |
10225 Sq. Km |
Design Flood |
10196 cumec |
Location of Catchment |
|
Latitude |
32°6' N-33°39'N |
Longitude |
75°55 E-77°48'E |
4 |
Reservoir |
|
Full Reservoir Level (FRL) |
EL. 1515.0 m |
Maximum Water Level |
EL. 1515.0 m |
Minimum Drawdown Level (MDDL) |
EL.1504.0 m |
Gross Storage at FRL |
41.50 Mcum(33644.60 Acre feet) |
Live Storage |
10.5 Mcum(8512.49 Acre feet) |
Area under submergence at FRL |
1.03 Km² / 103 hectare |
5 |
Dam |
|
Type |
Concrete gravity Dam |
Length of dam at top |
193.0m |
Elevation of top of dam |
EL.1517.0m |
River Bed Level |
EL 1394.0m |
Maximum Height above river bed |
123m |
Maximum Height above deepest foundation level |
135m |
6 |
Spill Way |
Lower Spillway |
Upper Spillway |
|
Type |
Orifice |
Crest |
Width of Spillway |
62m |
31m |
No. Of Bays |
4 No. |
2 No. |
Crest Level of Spillway |
EL 1467.50 m |
EL 1498.4 m |
No. & Size of Openings |
4 nos., 9m (W)×12.5m(H) |
2 nos., 9m (W)×16.6m(H) |
Discharge Capacity at FRL |
10200cumec |
7 |
River Diversion |
a) |
Coffer Dam |
|
Type |
Rockfill with central clay core |
Top of Upstream coffer dam |
EL 1418.0 m |
Top of Downstream coffer dam |
EL. 1400.0m |
b) |
Diversion Tunnel |
|
No, Diameter,Shape |
1 No; 9.0m, Horse- Shoe Shaped |
Length |
700m |
Diversion Discharge |
1033 cumec |
8 |
Intake Structure |
|
Number |
4 No. |
Size of openings |
5.5 m × 5.5 m |
Invert Level |
EL. 1490.3m |
9 |
Energy Dissipation Arrangement |
|
Type |
Ski- Jump Bucket with performed plunge pool |
Size |
50.0m (L) x 57.5 m(W) |
10 |
Outlet for Environmental Release |
|
Design Discharge |
16.33 cumecs |
Size of Gate |
2.6m × 2.0m |
Crest level |
1501.90 m |
11 |
Construction Sluice |
|
Nos. & Size of opening |
6 nos, 3.3m(W)×5m(H) |
Crest level |
EL.1408.0m |
Length |
145m each |
12 |
Pressure shaft/Penstock |
- |
|
No.& Diameter |
4 no., 5.5m (internal) |
Shape & Type |
Underground circular steel lined |
Design Discharge (each Penstock) |
146.5 cumec |
Length |
316.0m to 322.0m |
13 |
Power House Cavern |
|
Type |
Underground |
Installed Capacity |
624 MW (4 × 156) |
Type of Turbine |
Vertical Francis |
Net Rated Head |
117.98 m |
MIV Dia and Type |
4.7 m dia butterfly valve |
Design Discharge |
146.5 cumec (each unit) |
Cavern Size |
182m(L)×23.6m(W)×51.2m(H) |
14 |
Transformer cum Draft tube gate cavern |
|
Cavern Size |
137.0m(L)×17.0m(W)×15.0m(H) |
15 |
Tail Race Tunnel |
|
No.& Type |
4 Nos, concrete lined |
Dia & Shape |
7.0m, horse shoe shaped |
Design Discharge |
146.5 cumec (each) |
Length |
varies from 165.0m to 190.0m |
16 |
TRT outlet |
|
Number |
4 nos. |
Size of opening |
5.55 m x 7.0 m |
Weir crest level |
EL. 1385.0m |
Deck level |
EL. 1400.0m |
Minimum TWL in River |
EL.1387.58m |
Normal TWL in River (All operating units) |
EL 1388.24 m |
Maximum TWL in River (PMF) |
EL 1397.1 m |
17 |
Power Generation |
|
Annual Energy Generation in 90 % dependable year |
2272.02 MU |
Plant Load Factor |
44.49% |
18 |
Peaking Hours |
2.7 Hours |
19 |
Tariff |
|
1st year Tariff |
Rs. 4.27/unit |
Levelised Tariff |
Rs. 4.64/unit |
20 |
Project Cost |
Rs. 4287.59 Cr (July 18 PL) |