1 |
Type of Scheme |
Run of River Scheme |
2 |
Location |
|
State |
Jammu & Kashmir |
District |
Kishtwar |
River |
Marusudar |
Latitude |
33°27'30'' N |
Longitude |
75°48'50'' E |
Location of Dam |
Near Village Drangdhuran |
Location of Power House |
Upstream of Dul Dam (Right Bank) |
Nearest Rail Head |
Udhampur |
Nearest Airport |
Jammu |
3 |
Hydrology |
|
Catchment area at diversion site |
3955 Sq. Km |
Design Flood |
5890 cumec |
Location of Catchment |
Drangdhuran to Lopara |
Latitude |
33°24' N-34°12.5'N |
Longitude |
75°23' E-76°10'E |
Avg Annual Rainfall |
739mm |
Annual Yield a)90% dependable year b)75% dependable year |
3175Mcum 4174Mcum |
Probable Max. flood(PMF) |
5890 cumecs |
4 |
Reservoir |
|
Full Reservoir Level (FRL) |
EL 1700.0 m |
Maximum Water Level |
EL 1703.0 m |
Minimum Drawdown Level (MDDL) |
EL 1620.0 m |
Gross Storage at FRL |
125.4 Mcum(101663.43 Acre feet) |
Live Storage |
108.39 Mcum(87873.20 Acre Feet) |
Dead storage |
17.01Mcum |
Area under submergence at FRL |
2.28 Km²/ 228 hectare |
Length of Reservoir |
10.25 Km |
5 |
Dam |
|
Type |
Concrete Face Rockfill dam |
Length of dam at top |
305 m |
Elevation of top of dam |
EL. 1707.0 m |
River Bed Level |
EL 1540.0 m |
Maximum Height above river bed |
167m |
Maximum Height above deepest foundation level |
Shall be updated later |
6 |
Head Race Tunnel (HRT) |
|
No. ,Diameter & Shape |
2 Nos,7.2m dia, Horse–shoe/Circular |
Length |
HRT 1 - 9612M, HRT 2 - 9619 M |
Design discharge |
309.88 cumec (154.94 cumec each) |
Bed Slope |
HRT-1= 0.7366% HRT-2=0.7360% |
7 |
Spill Way |
Surface Spillway |
Tunnel Spillway |
|
Type |
Gated Crest |
Horse-shoe |
Width of Spillway block |
35m |
10.5m(Dia) |
No. Of Bays |
2 No. |
2 No. |
Crest Level of Spillway |
EL 1684.00 m |
EL.1580.00 m |
No. & Size of Openings |
2 nos. 12m(W)x16m(H) |
2 nos.6.2m(W)x7m(H) |
Length of tunnels |
405 m & 430 m |
|
Capacity at MWL |
1780 cumecs(each) |
|
Discharge Capacity at FRL |
1590 cumec (each) |
1740 cumec (each) |
8 |
River Diversion |
a) |
Coffer Dam |
|
Type |
Rockfill with impervious core |
Top of Upstream coffer dam |
EL 1589.0 m |
Top of Downstream coffer dam |
EL 1545.0 m |
b) |
Diversion Tunnel |
|
No, Diameter,Shape |
1 no., 11.0 m, Horse-shoe |
Length |
820.22 m including portals |
DT Gate |
2 No.s Vertical lift Gate(Size4.56m x11m) |
Diversion Discharge |
2000 cumec |
9 |
Intake Structure |
|
Number |
3 No. |
Size of openings |
3 Nos, 5.60m(w) x 7.70m(H) each (Including provision of one intake for second stage in future) |
Invert Level |
EL.1605.8 m |
Trash Rack |
Steel Trash rack(Size 88.5m x19.5m) |
Gate Arrangement |
Vertical Gates |
10 |
Energy Dissipation Arrangement |
|
Type |
Flip Bucket with preformed plunge pool |
Size |
Shall be updated later |
11 |
Outlet for Environmental Release |
|
Design Discharge |
Shall be updated later |
Size of Gate |
Shall be updated later |
Crest level |
Shall be updated later |
12 |
Construction Sluice |
|
Nos. & Size of opening |
Shall be updated later |
Crest level |
Shall be updated later |
Length |
Shall be updated later |
13 |
Pressure shaft/Penstock |
Horizontal / Manifold / Vertical |
|
No.& Diameter |
Pressure Shaft- 2 nos; 6.0 m dia.before manifold and 4 no. 3.9 m dia. after manifold (Horizontal)/ 4 nos., 3.9 m dia, circular (Vertical) Penstock- 4 nos; 2.9m |
Shape & Type |
Circular, Steel lined / Steel lined |
Design Discharge (each Penstock) |
Shall be updated later |
Length |
Pressure Shaft-6.0 m dia- 423.45m (Horizontal); 3.9 m dia- 1528.7m (Horizontal & Vertical) Penstock-2.9m dia-290.4m |
14 |
MIV Cavern |
|
Cavern Size |
105 m (L) x 10 m(W) x 19 m(H) |
15 |
Power House Cavern |
|
Type |
Underground |
Installed Capacity |
1000 MW (4 x 250 MW) |
Type of Turbine |
Vertical Francis |
Net Rated Head |
397.30 m |
MIV Dia and Type |
2.9 m dia Spherical valve |
Design Discharge |
77.47 cumec (each unit) |
Cavern Size |
166m (L) x 20.2 m(W) x 50.5 m(H) |
16 |
Transformer cum Draft tube gate cavern |
|
Cavern Size |
123.6 m (L) x 16 m(W) x 13.1 m(H) |
17 |
Tail Race Tunnel |
|
No.& Type |
4 nos, concrete lined |
Dia & Shape |
5.5 m, Horse-shoe |
Design Discharge |
77.47 cumec (each) |
Length |
113.5 m (each) |
18 |
TRT outlet |
|
Number |
4 nos. |
Size of opening |
5.5m x 5.5m |
Weir crest level |
EL. 1254.4m |
Deck level |
EL.1275.0m |
Minimum TWL in River |
EL.1255.0m |
Normal TWL in River (All operating units) |
Shall be updated later |
Maximum TWL in River (PMF) |
Shall be updated later |
19 |
Power Generation |
|
Annual Energy Generation in 90 % dependable year |
3330.18 MU |
Plant Load Factor |
38.30% |
20 |
Peaking Hours |
3.0 Hours Continuos generation using live storage capacity - 96.66 Hours (about 4 days) |
21 |
Tariff |
|
1st year Tariff |
Rs. 4.54/unit |
Levelised Tariff |
Rs. 4.28/unit |
22 |
Project Cost |
Rs. 8112.12 Crs (March 13 PL) |