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Narmada Water Resources ,Water Supply and kalpsar department (Water Resources) home
 
 
 
Brahmani Water Resources Project
         
  Brahmani  
Information
Location Vill. : Golasan  ,  Ta. : Halvad Dist. : Surendranagar
Purpose Irrigation
River Brahmani
Area of catchment 699 km2
Mean annual rainfall 406  mm
Year of commencement of construction work 1949
Year of completion 1953
 
       
 
Dam
Type Earthen
Bed Rock Sand stone   &Shale
Maximum height above the
lowest point of foundation
22.70   m
Length at the top of the dam 2652 m
Total Volume Content:
Concrete 0.0327    Mm3
Masonry 0.102   Mm3
Earthwork 4.579    Mm3
 
Reservoir
Area at full reservoir level 19.14 Km2
Gross storage capacity  75   Mm3
Effective storage capacity 71  Mm3
Area under submergence
a) Forest b) Waste land c) Culturable
a) Nil b) 1312   ha c) 664  ha
No. of villages under submergence 5 partial, 3 full
 
         
 
Spillway
Type  Ground bar waste weir
Length 427(Right), 548 (Left) m
Maximum discharge 2950  m3/s
Type, Nos. and  size of gate Ungated
 
Canal
Length of canal 24 (Right), 32 (left)   km
Capacity 1.98 (Right), 4.25 (Left) m3/s
Gross command area 10930  ha
Culturable command area 6413    ha
 
         
 
Villages under command
a) District b) Taluka c) No. of villages
Surendranagar Halvad 24
Rajkot Maliya(Miyana) 1
  Total 25
 
Cost
Estimated cost Rs.99.05   lacs

Geology
Name of Scheme District Rock type encountered at the dam site
Brahmani Surendranagar Sandstone & Shale.
Irrigated Area in Last Five Years
Year Irrigated Area in ha
2008-09 6737
2009-10 129
2010-11 6388
2011-12 6210
2012-13 44
 
         
 
Name of scheme River Village Taluka Dist. Catchment Area (Sq.Kms) Yield (MCM) Maximum observed flood (Cumecs)
Gujarat Other Maximum Average
Brahmani Brahmani Golasar Halvad Suredranagar 737 - 42.47 56.63 2918.44


Date Crest R.L. (M.) F.R.L. (M) H.F.L. (M) Top of Dam R.L.(M) Gross Capacity at F.R.L. (MCM) Dead storage (MCM) Live storage (MCM) Lenth of Spillway (M)
- 64.62 64.62 66.15 68.6 58.33 2.04 56.29 975.31


Type of Spillway Details of Gates Lenth of Auxilary Spillway (M) Left Bank Canal Right Bank Canal Year of Completion
Types Nos. Lenth K.M. Discharge Capacity (Cumecs) Length K.M. Discharge Capacity (Cumecs)
2GB, - -   - 4.25 - 1.98 1953


G.C.A. (Ha) C.C.A. (Ha) Maximum Irrigation
Year Area
28328 12935 1997-98 8049