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Introduction

Salient Features

1.3 Salient features of Project
A. LOCATION
Latitude :28o00'00", to 28 o00'57", N
Longitudinal :84 054'00" to 84 055'32"E
District : Dhading
VDC : Salyankot and Marpak
B. HYDROLOGY
Catchments area of Akhu Khola :633 km2
Snow covered catchement area : 24 km2
40 percentile flow :39.86 m3/s
Design flood at intake : 1213 m3/s (100 years flood)
Head works:
a. Diversion weir (Gated) :
Weir type : Concrete gravity type
Weir crest length : 41.00 m
Ponding Level : 570.40m
b. Intake
Type : Orifice type
Still Level : 568 m
Number of Intake :5
c. Approach Canal
Length :85m
Culvert Slope: 1 in 500, 1 in 1000
Size (width*depth): 6.00 m * 4.65m
d. Settling basin
Length of inlet transition :10m
Length of settling zone : 60m
Chamber width :10m
No. of Chamber :3 No
Settling basin trapping efficiency : 90% of 0.20 mm particle
e. Headrace Steel pipe
Type: Steel pipe of dia 4m/ buried
Thickness :12mm
RCC
Length :820mSlope : 1:1:000
f. Surge Tank
Type : RCC
Diameter : 10m
Height :15m
g. Penstock
Type : exposed, Supported/ Anchored
Total Length : 50*3=150m
Internal Diameter :2500mm
Thickness : 12 mm
No of pipe : 3 Nos
h. Power house
Type : Semi underground
Size : 48m*18m
Height : 15m from the floor level
i. Tailrace Canal
Type : Trapezoidal (open flow)
Width : 1q0m for first 100m and 20m thereafter
Side slope : 1v:2h
Tall water Level : 539.652 m from MSL
Length :980m
j. River Training Work
Type: Earthen bond with gabion mattress
Length : 950m
Width : 3m at top with 1:1 side slope
Height : 3m
k. Mechanical and Electrical
Turbine type : francis (Vertical)
Number of unit :3 nos
Capacity : 2.8*3 = 8.4 MW
Transmission Line : 12k m long, 33kv type
l. Power
Design Discharge :34.5m3/s
Gross Head :30.84 m
Net head at design flow : 27.84m
Installed Capacity : 8.4MW
Dry season energy : 6.737Gwh/year
Wet season energy : 39.671Gwh/year
Total Energy : 46.408Gwh/year
m. Generator
Type: salient pole, synchronous
No. :3nos
Rating : 3000KVA
Power factor : 0.85 over excited
Frequency : 50 hz
Rated speed : 300 rpm
Rating voltage : 6.6 kva
n. Access Road
Total length: 7km
Road width with shoulders :4.0m
Maximum Gradient : 10%
Cross slope : 4%
Design speed : 30 km/h
Road surface: 300 mm thick gravel 

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  • Capital Structure
    1. Authorized Capital – 1,150,000,000
    2. Issued Capital - 800,000,000
    3. Paid up capital - 600,000,000
    4. Debt - 72.5%
    5. Equity - 27.5%