Bansagar Multipurpose Project: Salient Features
Location
1 State Madhya Pradesh
2 District Dam (left flank - Satna District & right flank - Shahdol district) Power Houses- Rewa & Shahdol districts.
3 Latitude 24 11 30
4 Longitude 81 17 15
5 River Sone
6 Detailed location Dam site is 0.5 km U/S of Deolond bridge across Sone river at 51 km on Rewa-Amarkantak Road (SH).
Power House No I is 9.6 km D/S of Chachai falls on R/B of Tons river.
Power House No II is 4.5 km from Rewa on R/B of Beehar river.
Power House No III at the toe of masonry dam.
Power House No IV at Head Regulator.

Hydrology
1 Catchment area upto dam site 18648 sq.km.
2 Maximum annual rainfall 2035 mm..
3 Max. annual rainfall (1965) 702 mm
4 Average annual rainfall 1323 mm
5 Maximum designed flood 66528 cumecs
6 Designed flood 58640 cumecs
7 Actual observed flood 34860 cumecs
8 Moderated flood for Spillway design 47742 cumecs
9 Runoff at Bansagar
-50% dependability
-75% dependability
-90% dependability:
 
0.817 m.ha.m.
0.672 m.ha.m.
0.484 m.ha.m.
10 Actual runoff at Churhat (1960-67)
-Maximum (1961)
-Minimum (1965)
 

1.834 m.ha.m.
0.334 m.ha.m.
11 Reservation for U/S use 0.1235 m.ha.m.

Reservoir Data
1 MWL 342.934 m
2 FRL

341.649 m

3 MDDL 323.100 m
4 Water Spread at FRL 51789 ha
5 Gross Storage at FRL 0.637 m.ha.m.
6 Dead Storage 0.096 m.ha.m.
7 Live Storage 0.541 m.ha.m.
8 Lowest Water Level in river 289.600 m
9 Max.Tail Water Level for
-Energy dissipation
-Tail-race at PH III
 
301.77 m
300.30 m
10 Tehsil in which submergence area lies Beohari,Bandogarh,Vijayraghogarh, Maihar, Amarpatan.
11 No. of villages affected
-Land only
-Habitation
-Total

 

082
217
299
12 No.of persons likely to be affected 23397 families/1.42 lac persons

Dam
A. Over Flow Dam
1 Top of dam 347.00 m
2 Crest Level 326.4 m
3 Foundation Level 281.00 m
4 Bucket Invert Level 274.00 m
5 Max. height (upto top) 66.00 m
6 Max. height (upto crest) 42.14 m
7 Length of Spillway 405.72 m
8 No./Size of Crest Gates 18 nos./ 18.29 m x 15.24 m.
9 Construction Sluices 6 nos./ 2.0 m x 3.0 m.
10 Sill Level of construction sluice 290.20 m.
11 Sill Level of foundation gallery 284.00 m
12 Floor Level of operation gallery 306.00 m
13 Top width of Dam 7.50 m
B. Left Non Overflow Masonry Dam
1 Top of dam 347.00 m
2 Foundation level 279.50 m
3 Max. height 67.50 m
4 Length 68.00 m
5 Top width of dam 7.50 m
6 Width of road on top of dam 8.00 m
7 Sill level of foundation gallery 282.00 m
C. Right Non Overflow Masonry Dam including power blocks
1 Top of dam 347.00 m
2 Foundation level 279.50 m
3 Max. height 67.50 m
4 Length 278.00 m
5 Top width of dam 7.50 m
6 Width of road on top of dam 8.00 m
7 Sill level of foundation gallery 282.00 m
D. Key Walls
1 Length of walls
-Left bank
-Right bank

30.00 m
30.00 m
E. Masonry Dam
1 Earth Work 13.90 lac cu.m.
2 Concrete 2.99 lac cu.m.
3 Masonry 11.07 lac cu.m.
F Rockfill Dam Left (0 to 161.18 m) Right (832.9 m to 1019.9 m)
1 Top Width 7.50 m 7.50 m
2 Length 161.18 m 182.00 m
3 Max. height 47.25 m 57.00 m
4 Earth Work (Rockfill) 16.53 lac cu.m.  
5 E/W of Central Core & Cutoff 2.22 lac cu.m.  
G. Saddle Dams
1 Type of dam Earthen dam
2 No. of saddles
-Left bank
-Right bank

4 nos
2 nos
3 Total length
-Left bank
-Right bank

5182 m
1768 m
4 Max. height
-Left bank
-Right bank

15.24 m
6.40 m.
5 E/W on saddles 12.00 lac cu.m.

Irrigation Benefits
1 Annual Irrigation in M.P. (in the districts of Rewa, Sidhi, Satna and Shahdol). 2.49 lakh hectare
2 Annual Irrigation in  U.P.(in the districts of Mirjapur and Allahabad) 1.5 lakh hectare
3 Annual Irrigation in Bihar 0.94 lakh hectare towards stabilizing irrigation through old Sone Canal system.

Power Benefits
1 Power generation in Madhya Pradesh 425 MW