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info@srhl.org.np
Phone
+977-1-4581775
1. Project Location    
Province : Province 1
Zone : Mechi
District : Taplejung
Intake Site : About 2.2 km Northwest from Yasang Village
Powerhouse Site : Near Tamewa Village
Geographical Co-ordinates    
Latitude (N to N) : 27°30'00"N to 27°31' 46"N
Longitude(E to E) : 87°47' 21"E to 87°52'14"E
Conservation Area (if applicable) : Kanchanjunga Conservation Area
2. General    
Name of River : Simbuwa Khola
Nearest Town : Phungling Municipality
Type of Scheme : Run of River
Gross Head : 901.50 m
Installed Capacity : 70.3 MW
Average Annual Energy after Outage : 401.682 GWH
3. Hydrology    
Catchment Area : 245.17 km2
Design Discharge (at 40.16% PoE) : 9.25 m3/s
4. Intake Structure cum Gravel Trap    
Type of Intake : Side intake, orifice type
Nos of Opening : 2
Size of Intake (W x H) : 3.65 x 3.5 m
5. Desanding Basin    
Type : Single Chamber, Hopper Type
No of Bays : 2
Dimension (L x B x H) : 105 x 4.25 x 8.50 m
6. Headrace Tunnel    
Type : D shaped
Length : 4410 m
7. Surge Shaft    
Type : Throttled Cylinder
Effective Depth : 37.5 m
Diameter (Or size) : 6 m
8. Steel Penstock Pipe    
Type : Underground, Circular
Internal Diameter : 1.65 m
Length : 2609.7 m
9. Powerhouse    
Type : Underground
Size (L x W) : 85.5 x 15.50 m
10. Tailrace culvert    
Type : Inverted D Shaped
Tailrace Length : 341 m
11. Turbine    
Type : Pelton
Number : 3
12. Generator    
Type : Synchronous 3 Phase, Salient Pole
13. Transformer    
Type : Single Phase Transformer, Oil Immersed
Efficiency : 99.5 %
14. Transmission Line            
Voltage Level : 220 kV
Length : 3.1 km - Up to Ghunsa HEP and Common Transmission Line approx. 30 km from Ghunsa to Dhungesanghu