|
Location |
Vill:
Ukai, Ta: Songadh, Dist : Surat |
|
Purpose |
Irrigation, hydro power & flood control |
|
River |
Tapi |
|
Area of catchment |
62225 km2 |
|
Mean annual runoff in the
catchment |
17226 Mm3 |
|
Mean annual rainfall |
785 mm |
|
Year of commencement of
construction work. |
1964 |
|
Year of completion |
1972 Head works,1977 Canal works |
|
Dam |
|
Type |
Earthen & Masonry |
|
Bed rock |
Basalt (Dolerite dykes) |
|
Maximum height above the lowest
point of foundation |
80.58 m |
|
Length at the top of the dam |
4927 m |
|
Total volume content: Concrete |
0.21 Mm3 |
|
Masonry
|
1.51 Mm3 |
|
Earthwork
|
23.67 Mm3 |
|
Spillway |
|
Type |
Ogee |
|
Length |
425 m |
|
Energy Dissipator |
Ski jump bucket |
|
Maximum discharge |
49490 m3/s |
Type, nos &
size of gate |
Radial,22,
(15.545 m x 14.78 m) |
|
Reservoir |
|
Area at full reservoir level |
520 km2 |
|
Gross storage capacity |
8511 Mm3 |
|
Effective storage capacity |
7092 Mm3 |
Area under submergence :
(a) Forest (b) Waste land (c) Culturable |
|
(a) 22258 ha
(b) 7522 ha (c) 30352 ha |
|
No of villages under submergence |
69 partial, 98 full |
|
Canal |
|
Length of canal |
73 (Left),48 (Right) ha |
|
Capacity |
35 (Left),45 (Right) m3/s |
|
Gross command area |
121410 (Left),
96310 (Right) ha |
|
Culturable command area |
85000 (Left),67000(Right) ha |
Villages under command
|
(a) District |
(b) No. of Taluka |
(c) No. of villages |
|
Surat |
7 |
191 |
|
Valsad |
3 |
71 |
|
Bharuch |
3 |
100 |
|
|
Total |
362 |
|
|
Area irrigated during last five
years |
|
Years |
Area irigated in ha |
|
1996-97 |
2,24,293 |
|
1997-98 |
2,34,390 |
|
1998-99 |
2,42,040 |
|
1999-2000 |
2,46,648 |
|
2000-2001 |
2,04,173 |
|
Power Plant |
|
|
Type |
Under ground, river bed power
house |
|
Hydraulic head |
57 m to 34 m |
|
Max. discharge |
213 m3/s |
|
Installed capacity |
300 MW |
|
Generating Units |
|
|
Type |
generators-Umbrella type,
vertical shaft, salient pole Turbines - Vertical shaft kaplan/turbine |
|
Number |
4 nos |
|
Capacity |
75 MW each |
|
Firm |
193 MW at 35% load factor
contineously |
|
Cost |
|
Cost of the project |
Rs. 13896.15 lacs |
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