Upper Marsyangdi #1

 

Name

Upper Marsyangdi #1

Location

Nepal, Lamjung District (Marsyangdi River)

Capacity

138MW

Generation

681.79GWh

Cost

USD 221,140,000

 

Civil Work

Diversion Dam-Design Floow 2840.00 cumecs

Max Water supply level-1058.0 masl (Meter Above Sea Level)

Desanding Chamber-170.0m L x 16.5m W x 22.5m H

Intake Structure-Total Width : 4.00 X 8.50 X Wide

with intermediate piers / Height : 7.00 m

Headrace Tunnel-6251.2m

(Shape : Horse shoe, Shotcrete and Concrete)

Surge Shaft-Φ18mD x 74.37mH

(Underground Vertical Shaft with restricted Orifice)

Penstock Diameter-5.50 m,

with Horse shoe shaped tunnel with diameter 7.00 m

Powerhouse-85.6mL x 15.0mW x 36.9mH(Underground)

Tailrace Tunnel-Inverted D- shaped section of finished

diameter 6.80 m,   Length = 207.00 m.

Switch Yard-140m L x 100m W (Surface)

 

Electro Mechanical Equipment

Turbine-46MW x 3sets (Francis Vertical)

Install Capacity-138MW

Energy Generated-681.79GWh/year

Transmission Line-5km (132kV Double Circuit to Khudi Hub)

 

 

 

Layout