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Jeori Lower Mangalnad Hydro Electric Project 9.6 MW
LOCATION
1 State Himachal Pradesh.
2 District Shimla
3 River Manglad Khad.
4 Village Jeori
5 Nearest Airport Shimla Airport.
6 Nearest Railway station NG-Kalka
7 Nearest capital cities (Across Road) Shimla, Theog, Rampur
Purpose of the Project
1 Purpose of the Project Generation and Transmission of Hydro Electric Power.
Installed Capacity
1 Installed Capacity 3 x 3200 kW
Annual Energy Generation in Mu in 75%Dependable year
1 Annual Energy Generation in Mu in 75%Dependable year 59.80 GWHr
Hydrology
1 Catchment Area 92.00 Sq km
2 Design Power Discharge 1.61 cumecs / Unit, at rated head
3 Maximum Power Discharge 2.01 cumecs / Unit
4 Design Flood 470 cumecs
Diversion Structure
1 Location Across Manglad Khad near Jeori village.
2 Type Trench Weir
3 FRL EL 1320.00m
4 Deepest Foundation level EL 1315.90 m
5 Deepest River bed level EL 1322.00 m
6 Height of the Trench Weir at deepest bed level 4.60 m
7 Length of Weir 28.00 m
8 Flood discharge capacity 470 cumecs
9 Gate  
  (a) Service Gate  
  Nos. 1
  Size 2.00 m x 3.25 m
  Hoist Rope Drum Hoist
Trench Weir Intake
1 No 1
2 Sill Level EL.1318.00 m
3 Hoist Bridge Level EL.1325.50 m
4 Design Discharge for three units including flushing 7.24 cumecs
5 Gates  
  a) Service Gate  
  Nos. 1
  Size 2.0 m x 1.74 m
  Type Vertical lift roller Gate
  Hoist Rope Drum Hoist
Power Channel (from CH :7.50 m to 13.18)
1 Length of Channel 5.68 m
2 Size of Channel 3.0 x 4.733 m
3 Bed gradient of channel 1 : 2500
Power Channel (from CH :81.18 m to 88.14)
1 Length of Channel 6.96 m
2 Size of Channel 3.0 x 4.792 m
3 Bed gradient of channel 1 : 2500
Desander
1 Length of Desander including transition, inlet and outlet gates. 68.00 m
2 Width of gated structure 4.60 m
3 Width of each bay 4.00 m
4 Total width of Desander including bifurcation wall 9.30 m
5 No. of bays 2
6 Sill level of inlet gate EL 1318.26 m
7 Sill level at exit gate EL 1318.20 m
8 Top level at Desander EL 1323.00 m
9 Size of inlet gates 1.00 m x 1.74 m
10 Type Vertical lift roller Gate
11 Hoist Rope Drum Hoist
12 Size of outlet gates 1.00 m x 1.80 m
13 Type Vertical lift roller Gate
14 Hoist Rope Drum Hoist
15 Sill level at inlet of Flushing Duct EL.1316.25 m
16 Sill level at outlet of Flushing Duct EL.1315.68 m
Head Race Tunnel
1 Shape of Tunnel D Shape Tunnel
2 Size of Tunnel 2.0 m (W) x 2.6 m (H)
3 Lining thickness 0.20m
4 Length of the Tunnel 2674.00 m
5 Design Discharge 6.03 Cumecs
Surge Shaft
1 Diameter of Surge Shaft 6.0 m
2 Invert level 1275.00m
3 Sill level at inlet 1277.00 m
4 Top Level EL.1327.00 m
5 Maximum Surge Level EL.1324.00 m
6 Minimum Surge Level EL.1312.00 m
7 Height of the Surge shaft 47.40 m
8 Type of Construction RCC lined
Tunnel Penstock
1 Type Tunnel Penstock
2 Shape D shape
3 Diameter 2.0m (W) x 2.6 m(H)
4 Length of Penstock 77.00 m
5 Flow Pressure Flow.
  Main Penstock  
  Type Encased Steel Penstock
  Shape Circular
  Diameter 1.25 m
  Length of Penstock 292 m
  Flow Pressure Flow.
  Brach Penstocks  
  No of Branches 3
  Shape Circular
  Diameter 0.8 m
  Flow Pressure Flow.
Power House
1 Location Left bank of Satluj River.
2 Type Surface
3 Size of Power house (including Service Bay) 14.00 m x 37.35 m
4 Size of Service Bay 5.20 m x 14.00m
5 Size of Unit Bay 14.00 m X 32.15m
6 Size of Control room / Switch gear room. 5.20 m x 14.00 m
7 No. of Bays 3 unit bays and one Service bay
8 Capacity 3 Units of 3200 kW each
9 El. Of Turbine C/L El 1080.25 m
10 Generator Floor Level El 1079.25 m
11 Control Room Floor Level El 1427.50 m
12 Service/Equipment handling Bay Level El 1079.00 m
13 Draft Tube floor Level El 1076.80 m
  a) Draft Tube Gates  
  No. of gates 1
  Size of gates 1.90 m x 2.50m
  Type Vertical lift Gate
  Hoisting Arrangement Moving Gantry Crane.
Turbines
1 Type Pelton Turbine
2 Rated Capacity of the turbine 3333 kW
3 Maximum Net Head 239.66 m
4 Minimum Net Head 230.55 m
5 Net Head 230.55 m
6 Rated Discharge Per unit 1.61 Cumecs
7 Rated Speed 428.50 rpm
8 Runner Dia. 1260 mm
9 Efficiency 91.7%
Generators
1 Type Synchronous Generator
2 Rated Output 3200 kW
3 Generation Voltage 22 kV
4 Rated Speed 428.50 rpm
5 Efficiency - Generator 96%
Transmission Lines
1 Length 6 km
2 Terminal Point 22 kV Double circuit to HPSEB sub station at Kotla.
3 Type 22 kV Double Circuit, Wolf Conductor
Out Door Switch Yard
1 Size 23.00 m x 51.00 m.
2 No. of Power Transformers 3
Implementation Period
1 Implementation Period 30 Months.
Financial Aspects
1 Basic Cost as per DPR Rs. 5,867.00 Lakhs.
2 Escalation during Construction Rs. 320.47 Lakhs.
3 Upfront Financial charges Rs. 146.57 Lakhs.
4 IDC Rs. 688.69 Lakhs.
5 LADC Charges Rs 111.02 Lakhs.
6 Total on Completion Rs 7,401 Lakhs.
7 Total Equity Rs 2,220 Lakhs.
8 Loans from Financial Institutions Rs 5,181 Lakhs.
9 First year Cost of Generation Rs. 2.28 per Kwhr.
 

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