Salient Feature
Project Salent Feature
1. Location
Development Region : Western Development Region
District : Gorkha and Lamjung District
Water Source : Chepe Khola
Type of Scheme : RoR
Access Road : Dumre-Paluntar (22 km black topped)
Earthen- Borangkhola to Kuyele
Gross Head : 91 m
Design Discharge : 10.0 m3/s
Install Capacity : 7 MW
Annual Energy : 39.3 GWh (Dry-11.8, Wet–27.5)
2. Hydrology
River : Chepe Khola
Catchment Area at Intake : 189.00 km2
Design flood at Intake (100 years) : 674 m3/s
3. Headworks
Diversion structure : Free flow weir
Length of weir : 40 m
Weir crest elevation : EL 727 m amsl
Height of weir : 6.85 m
Under sluice : 2 gates
Intake Type : Side Intakes, 3 openings
4. Connecting Canal
Canal Type : Rectangular RCC closed conduit
Length of Canal : 141.861 m
5. Desilting Basin
Type : RCC Rectangular, 2 bays
Dimension (width * height) : 6.5 m x 6.7 m (max)
Length of effective basin : 60 m
Bed Slope : 1 in 50
Particle to settle : 0.25 mm
Trap Efficiency : 90%
6. Headrace Pipe
Conveyance Length : 3201.48 m
Type : Steel E350BR
Diameter : 2.24 to 2.05m internal dia.
Thickness of Pipe : 6mm thick pipe with stiffener rings @1m c/c
7. Surge Tank
Type : Simple Circular
Construction : Concrete Lined
Diameter : 10 m (Internal Diameter)
Height of the tank from Invert level : 21.4 m
8. Penstock Pipe
Type : Welded Surface/Buried Penstock
Length : 492.82 m (New alignment Inc. Branch Pipe)
Diameter : 1.9 m internal dia.
Pipe Material : Steel E350BR
Thickness of Pipe : 8-10 mm
9. Powerhouse
Type : Surface with outdoor substation
PH dimension (L * W) : 28 m * 9 m
Height of PH building : 10.5 m from Service bay level
Turbine Axis level : EL. 635 m amsl
10. Tail race
Type : Rectangular RCC canal
Size : 3.5/4,5 x 2.0 m
Length : 66 m
11. Turbine
Number of Units : 2
Type : Francis
12. Generator
Number of Units : 2
Type : Synchronous, 3-phase
13. Transmission Line & Substation
Transmission length : 4.5km
Capacity : 33 KV
Substation : Harmi Substation (Loop In Loop Out)