| 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 |
| Maximum temprature |
30.8° C |
| Minimum temperature |
-2.8° C |
| Probable Max. flood(PMF) |
5890 cumec |
| Maximum Routed Outflow (with on bay inoperative) |
5645 cumec |
| 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
a) at FRL
b) at MDDL |
125.4 Mcum(101663.43 Acre feet)
17.01 Mcum
|
| 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 |
Diversion Tunnel |
| |
Number, Diameter & Shape |
1 No, 11.0 m, Horse-shoe |
| Length |
847+12=859 m |
| Diversion Discharge |
2000 cumec |
| Invert level at entry |
EL. 1555.0 m Invert |
| Level at exit |
EL. 1539.0 m |
| Diversion Tunnel Gate |
2 No. Vertical lift gate |
| Size of Gate |
4.56m (W) X 11.0m (H) |
| Gate Operating platform level |
EL 1590.0m |
| 6 |
Coffer Dam |
| |
Type |
Rockfill |
| Top of upstream coffer dam |
EL 1589.0m (34 m high) |
| Top of downstream coffer dam |
EL 1545.0m (10m high) |
| 7 |
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 |
| Dam height (above river bed level) |
167m |
| Cut off wall |
60m |
| 8 |
Tunnel Spillway |
| |
Number, Diameter & Shape |
2 No, 10.5m, Horse-shoe |
| Length of tunnels |
-96 to 355=452m |
| Gate Size |
6.2m (W) x 7.0m (H) |
| Gate Arragement |
Vertical Towers (Partky Uderground) |
| Crest level |
EL 1580.0m |
| Capacity at FRL |
1740 cumec (each) |
| Capacity at MWL |
1765 cumec (each) |
| Energy dissipation |
Flip Bucket with preformed pluge |
| Chute Length |
±50m |
| 9 |
Surface Spillway |
| |
Type |
Gated, crest spillway |
| Width of Spillway block |
35m |
| No. of bays |
2 |
| Crest level of spillway |
EL 1684.0 m |
| Width of each bay |
12.0m |
| Gates (Radial) |
2 Nos, !2.0m x 16m |
| Energy Dissipation Arrangement |
Flip bucked with preformed pluge |
| Capacity at FRL |
1590 cumec (each) |
| Capacity at MWL |
2000 cumec (each) |
| 10 |
Intake |
| |
Number |
Three |
| Invert level |
EL 1605.8m |
| Gate size |
5.60m (w) x 7.70m (h) each (including provision of intake for second stage in future) |
| Trash Rack |
Steel Trash Rack |
| Gate Arrangement |
Vertical shafts (Underground, exposed to surface) |
| Normal Velocity |
0.63 m/sec |
| 11 |
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% |
| Adit-1A to HRT-1 |
| Dia. & Shape |
Dia. 7m, D Shaped |
| Total Length |
698.2m |
| Adit-1 to HRT-2 |
| Dia. & Shape |
Dia. 7m, D Shaped |
| Total Length |
686.05m |
| HRT-1 (Upstream Face) |
| Dia. & Shape |
Dia. 7m, Horse-shoe |
| Total Length |
530m |
| HRT-1 (Downstream Face) |
| Dia. & Length |
Dia. 7m, Horse-shoe |
| Total Length |
1508m |
| HRT-2 (Upstream Face) |
| Dia. & Length |
Dia. 7m, Horse-shoe |
| Total Length |
538.713m |
| HRT-2 (Downstream Face) |
| Dia. & Length |
Dia. 7m, Horse-shoe |
| Total Length |
1543.9m |
| Link Adit to HRT-2 |
| Dia. & Length |
Dia. 7m, Horse-shoe |
| Total Length |
47m |
| Note: |
2 km excavated by DBM (7.2 dia. horse-shoe shaped and 7.35 km excavated by TBM (7.2 dia. Circular shaped). |
| 12 |
Surge Shaft |
| |
No. & Type |
2 no. open to Surface with Restricted Orifice |
| Diameter |
13.0m |
| Vertcial Shaft Height |
200m |
| Top Level |
El 1745.0m |
| Bottom Level |
EL 1544.7m |
| Maximum up surge level |
EL 1743.0m |
| Minimum down surge level |
EL 1548.0m |
| 13 |
Upsurge Galleries |
| a) |
Upsurge Gallery-1 |
| |
Dia. & Length |
Dia. 7m, D-Shaped |
| Total Length |
257m |
| b) |
Upsurge Gallery-2 |
|
| |
Dia. & Length |
Dia. 7m, D-Shaped |
| Total Length |
257m |
| c) |
Link Tunnel Between Upsurge Gallery-1 & 2 |
| |
Dia. & Length |
Dia. 7m, D-Shaped |
| Total Length |
71.44m |
| d) |
Adit to Surge Shaft-1 Bottom & HRT-1 |
| |
Dia. & Length |
Dia. 7m, D-Shaped |
| |
Total Length |
144.76m |
| e) |
Adit to Surge Shaft-2 Bottom & HRT-2 |
| |
Dia. & Length |
Dia. 7m, D-Shaped |
| Total Length |
475.205m |
| f) |
Surge Shaft Road Tunnel |
| |
Dia. & Length |
Dia. 7m, D-Shaped |
| Total Length |
491m |
| 14 |
HRTS |
| a) |
Link Adit Between HRT-1 & HRT-2 |
| |
Dia. & Length |
Dia. 7m, D-Shaped |
| Total Length |
43.704m |
| b) |
HRT-1 to Surge Shaft-1 Bottom |
| |
Dia. & Length |
Dia. 7m, Horse-shoe |
| Total Length |
38.9m |
| c) |
HRT-2 To Surge Shaft-2 Bottom |
| |
Dia. & Length |
Dia. 7m, Horse-shoe |
| Total Length |
72.45m |
| Note: |
Invert Level of HRT at Surge Shaft is kept at El 1535m. |
| d) |
Valve House |
| |
Size |
101.5m (L) x 8m (W) x 19.8 m (H) |
| e) |
Adit to Valve House |
| |
Dia. & Length |
Dia. 7m, D-Shaped |
| Total Length |
585 m |
| 15 |
Pressure Shaft/ Penstock |
| a) |
Horizontal |
| |
No. & Diameter |
2 Nos; 6.0m dia. before manifold and 4 no. 3.9m dia. after manifold & 4 nos 2.9m dia. Penstocks |
| Shape and type |
Circular, steel lined |
| Total length |
6.0m dia-423m; 3.9m dia-480m;
2.9m dia-224m (including Manifold) |
| b) |
Manifold |
| |
Diameter and type |
Diameter-varies from 6.0m to 3.9m; steel lined |
| Total Length |
33m (Approx.) |
| c) |
Vertical |
|
| |
No. & Diameter |
4 nos., 3.9 m dia. circular |
| Height |
291.0m (each) |
| |
Adit to Pressure Shaft Top (Bifurcation from adit to Valve House) |
| |
Dia. & Shape |
Dia. 7m, D-Shaped |
| Total length |
125.38m |
| |
Pressure Shaft Erection Gallery Upper |
| |
Size |
88m (L) x 11m (W) x 14m (H) |
| |
Adit to Pressure Shadt Bottom (Bifurcation from Adit to MIV) |
| |
Dia. & Shape |
Dia. 7m, D-Shaped |
| Total length |
150.74m |
| |
Pressure Shaft Erection Gallery Lower |
| |
Size |
88m (L) x 7m (W) x 7m (H) |
| |
Pressure Shaft-1 (Upper Horizontal) |
| |
Dia. & Shape |
Dia. 7m, D-Shaped |
| Total length |
221.023m |
| |
Pressure Shaft-2 (Upper Horizontal) |
| |
Dia. & Shape |
Dia. 7m, D-Shaped |
| Total length |
190.072m |
| 16 |
Pressure Shaft (Lower Horizontal From Pressure Shaft Erection Gallery to MIV) |
| |
Pressure Shaft-1A |
| |
Dia. & Shape |
Dia. 3.9m, circular |
| Total length |
38.315m |
| |
Pressure Shaft-1B |
| |
Dia. & Shape |
Dia. 3.9m, circular |
| Total length |
38.315m |
| |
Pressure Shaft-2A |
| |
Dia. & Shape |
Dia. 3.9m, circular |
| Total length |
38.315m |
| |
Pressure Shaft-2B |
| |
Dia. & Shape |
Dia. 3.9m, circular |
| Total length |
38.315m |
| 17 |
Penstock (Lower horizontal from MIV to Powerhouse) |
| |
Pressure Shaft-1A |
| |
Dia. & Shape |
Dia. 2.9m, circular |
| Total length |
53.5m |
| |
Pressure Shaft-1B |
| |
Dia. & Shape |
Dia. 2.9m, circular |
| Total length |
53.5m |
| |
Pressure Shaft-2A |
| |
Dia. & Shape |
Dia. 2.9m, circular |
| Total length |
53.5m |
| |
Pressure Shaft-2B |
| |
Dia. & Shape |
Dia. 2.9m, circular |
| Total length |
53.5m |
| 18 |
MIV CAVERN |
| |
Size |
107m (L) x 10m (W) x 18.5m (H) |
| 19 |
Access Tunnel to MIV |
| |
Dia. & Shape |
Dia. 7m, D-Shaped |
| Total Length |
158.3m |
| 20 |
Power House Cavern |
| |
Type |
Underground |
| Installed capacity |
1000MW (4 x 250MW) |
| Type of Turbine |
Vertical Francis |
| Centre Line of Machine |
EL 1247.5m |
| Power House Cavern |
166m (L) x 20.20m (W) x 50.5 (H) |
| Transformer Cavern |
123.6m (L) x 16m (W) x 13.1m (H) |
| Gross Head |
445m* |
| Rated Head |
397.30m* |
| Design Discharge |
77.47 cumec (each unit)* |
| Bottom EL Machine Hall |
EL 1234.50m |
| EOT Crane Rail |
EL 1274.30m |
| Service bay/Operation Floor |
EL 1261m |
| Generator floor |
EL 1255.50m |
| Turbine Floor |
EL 1251m |
| Runner Removal Floor |
EL 1242m |
| Note |
02 nos. Electricity Operated Overhead Travelling Cranes each Capacity 260 tonnes |
| 21 |
Main Access Tunnel |
| |
Dia. & Shape |
Dia. 8m, D-Shaped |
| Total lLength |
267.22m |
| 22 |
Powerhouse MAT connecting Transformer Cavern |
| |
Dia. & Shape |
Dia. 7m, D-Shaped |
| Total Length |
48.5m |
| 23 |
Construction Adit to Powerhouse Crown |
| |
Dia. & Shape |
Dia. 7m, D-Shaped |
| Total Length |
160.33m |
| 24 |
Bus Tucts |
|
| |
Nos. |
04 Nos. |
| Dia. & Shape |
5m dia. (0-32.5m from TC) & 7m (32.5-48.5m), D-Shaped |
| Total Length |
48.5m each |
| 25 |
Drainage Galleries |
| |
Downstream Drainage Gallery (3m x 4m) |
| Shape |
D-Shaped |
| Total Length |
128.762m |
| Upstream Drainage Gallery (3m x 4m) |
| Shape |
D-Shaped |
| Total Length |
186.23m |
| Pedestrain Gallery PH Control Room to MIV (2.5m x 2m) |
| Shape |
D-Shaped |
| Total Length |
81.998m |
| Pedestrain Gallery PH Control Room to Transformer Hall (2.5m x 2m) |
| Shape |
D-Shaped |
| Total Length |
75.398m |
| 26 |
Transformer Gallery |
| |
Size |
123.6m (L) x 16m (W) x 13.1 m (H) |
| 27 |
Construction ADIT to Transformer Cavern Crown |
| |
Dia. & Shape |
Dia. 7m, D-Shaped |
| Total Length |
73.84m |
| 28 |
Tailrace Tunnel |
| |
No. & Type |
4 nos., concrete lined |
| Diameter & shape |
5.5m, Horse-shoe |
| Design discharge |
77.47 cumec (each)* |
| Length |
125m (each) |
| Gate size |
5.5m x 5.5m |
| Minimum TWL |
EL 1255.0m |
| 29 |
ADIT to TRT |
| |
Dia. & Shape |
Dia. 7m, D-Shaped |
| Total Length |
259.55m |
| 30 |
Cable cum Ventilation Tunnel (6m width x 6.5m height) |
| |
Shape |
D-Shaped |
| Total Length |
198.296m |
| 31 |
GIS and Pot Head Yard |
| |
Type |
Outdoor |
| Size |
100m (L) x 35m (W) |
| 33 |
Switchyard |
| |
Type |
Outdoor |
| Size |
54.75m (L) x 35m (W) |
| Elevation |
EL 1295.0/1300m |
| 34 |
Fire Fighting Tank |
| |
Type |
Outdoor |
| Size |
50m (L) x 5m (W) |
| Bench Elevation |
EL 1360.0m |
| 35 |
Power Generation |
| |
Installed capacity |
1000MW ($ x 250MW) |
| Peaking Hours |
3 Hours |
| Plant Load Factor |
38.30% |
| Completion Time |
66 Months |
| Annual Energy Generation (90% dependable year) |
3230 MW |
| 34 |
Tariff |
| |
1st Yaer Tariff |
Rs. 4.54/Unit |
| |
Levelised Tariff |
Rs. 4.28/Unit |
| 35 |
PROJECT COST |
Rs. 8112.12 Crs (March'13 PL) |