PROJECT LOCATION

 

Development Region

Central Development Region (Left Bank)/ Eastern Development Region (Right Bank)

Zone

Janakpur (Left Bank)/ Sagarmatha (Right Bank)

District

Ramechhap (Left Bank)/ Okhaldhunga (Right Bank)

VDCs

Saipu, Bijulikot, Tarkerabari, Gamnatar, Esam

Headworks

Saipu VDC

Powerhouse

Bijulikot VDC

Geographical Co-ordinates

 

Latitude

27°22’47”N  to 27°25’50”N

Longitude

86°13’17”E  to 86°14’58”E

 

 

METEROLOGY AND HYDROLOGY

 

Average annual rainfall

1796 mm

Catchment area at intake

755 km²

Annual mean flow

44.6 m³/s

Maximum mean monthly flow

408.24 m³/s

Minimum mean monthly flow

4.07 m³/s

Design discharge

29.75 m³/s (40% exceedance flow)

90% firm flow

9.52 m³/s

 

 

HEADWORKS

 

Location

Saipu VDC

Longitude

87°15’00” E

Latitude

27°25’10” N

Weir

 

Type

Boulder Lined

Crest Elevation

725.00m

Length

47m

Height

8.15m (from foundation)

6m (from river bed)

Undersluice

 

No.

2

B x H

6.0m x 6.0m

Intake

 

Type

Side Intake

No. of Openings

3

B x H

4.5m x 2.85m (each opening)

Gravel Trap

 

Type

Surface

L x B x H

8m x 4.5m x 1.9m

Settling Basin

 

Type

Surface

No.

3

L x B x H

12m x 12.5m x 7m

 

HEADRACE PIPE

 

Diameter

3.75m

Thickness

8-10mm

Length

1285m

 

HEADRACE TUNNEL

 

Type

Inverted D-shape

Length

3600m

Diameter

5m

 

SURGE TANK

 

Height

29m (from invert)

Diameter

15.40m

 

PENSTOCK

 

Vertical and horizontal shaft length

280m

Diameter

3.75m

Thickness

8-25mm

 

POWERHOUSE

 

Type

Semi-Surface

Location

Bijulikot VDC

Length x Width x Height

27.3m x 22.0m x 24.47m

 

TAILRACE CULVERT

 

Length

125m

Height

3.55m

Width

3.55m

 

TURBINE

 

Type

Francis

No.

2

 

SWITCHYARD AND TRANSMISSION LINE

 

Switchyard type

Outdoor, Conventional

Transmission line length (Khimti or Likhu IV Substation)

27/10km

Voltage level

132kV

Circuit

Single Circuit

     

 

 


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