Salient Features
|
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 |
|
