|
1
|
|
Location
|
|
|
|
i)
|
State
|
Himachal Pradesh.
|
|
|
ii)
|
District
|
Shimla
|
|
|
iii)
|
River
|
Pabbar River.
|
|
|
iv)
|
Village
|
Paudital-Lassa
|
|
|
v)
|
Nearest Airport
|
Shimla Airport.
|
|
|
vi)
|
Nearest Railway
station
|
NG-Kalka
|
|
|
vii)
|
Nearest capital cities (Across Road)
|
Shimla, Theog, Rohru
|
|
|
viii)
|
Diversion Barrage
|
|
|
|
|
a) Longitude
|
E 77º 43’ 0”
|
|
|
|
b) Latitude
|
N 31º 07’30”
|
|
2
|
|
Purpose of the Project
|
Generation and Transmission of Hydro
Electric Power.
|
|
3
|
|
Installed Capacity
|
3 x 8000 kW
|
|
4
|
|
Annual Energy Generation in Mu in
75%Dependable year
|
134.95 GWHr
|
|
5
|
|
Hydrology
|
|
|
|
i)
|
Catchment Area
|
900.00 Sq km
|
|
|
ii)
|
Design Power Discharge
|
13.55 cumecs
/ Unit, at rated head
|
|
|
iii)
|
Maximum Power Discharge
|
16.93 cumecs
/ Unit
|
|
|
iv)
|
Design Flood
|
3000 cumecs
|
|
6
|
|
Diversion Structure
|
|
|
|
i)
|
Location
|
Across Pabbar
River near Paudital village.
|
|
|
ii)
|
Type
|
Trench Weir
|
|
|
iii)
|
FRL
|
EL 1492.50m
|
|
|
iv)
|
Deepest Foundation level
|
EL 1482.15 m
|
|
|
v)
|
Deepest
River bed level
|
EL 1490.00
m
|
|
|
vi)
|
Height of
the Trench Weir at deepest bed level
|
10.85 m
|
|
|
vii)
|
Length of Weir
|
104.00 m
|
|
|
viii)
|
Flood discharge capacity
|
3000 cumecs
|
|
|
ix)
|
Gate
|
|
|
|
|
(a) Service Gate
|
|
|
|
|
Nos.
|
1
|
|
|
|
Size
|
5.00
m x 4.0 m
|
|
|
|
Hoist
|
Rope
Drum Hoist
|
|
7
|
|
Intake
|
|
|
|
i)
|
No
|
1
|
|
|
ii)
|
Sill Level
|
EL.1484.20 m
|
|
|
iii)
|
Hoist Bridge Level
|
EL.1502.00 m
|
|
|
iv)
|
Design Discharge for three units
including flushing
|
61.00
cumecs
|
|
|
v)
|
Gates
|
|
|
|
|
a) Service
Gate
|
|
|
|
|
Nos.
|
2
|
|
|
|
Size
|
3.0 m x 4.1 m
|
|
|
|
Type
|
Vertical lift roller Gate
|
|
|
|
Hoist
|
Rope Drum Hoist
|
|
8
|
|
Power
Channel (from CH :24.57 m to 41.57)
|
|
|
|
i)
|
Length of Channel
|
17.00 m
|
|
|
ii)
|
Size of Channel
|
7.5 x 11.60 m
|
|
|
iii)
|
Bed
gradient of channel
|
1 : 2500
|
|
9
|
|
Power
Channel (from CH :177.59 m to 184.93)
|
|
|
|
i)
|
Length of Channel
|
7.34 m
|
|
|
ii)
|
Size of Channel
|
7.5 x 11.60 m
|
|
|
iii)
|
Bed
gradient of channel
|
1 : 2500
|
|
10
|
|
Desander
|
|
|
|
i)
|
Length of Desander
including transition, inlet and outlet and gates.
|
136.00 m
|
|
|
ii)
|
Width of gated
structure
|
7.5 m
|
|
|
iii)
|
Width of each bay
|
10.0 m
|
|
|
iv)
|
Total width of Desander
including bifurcation wall
|
23.00 m
|
|
|
v)
|
No. of bays
|
2
|
|
|
vi)
|
Sill
level of inlet gate
|
EL 1488.39 m
|
|
|
vii)
|
Sill level at exit gate
|
EL 1488.35 m
|
|
|
viii)
|
Top level at Desander
|
EL 1500.00 m
|
|
|
ix)
|
Size of inlet gates
|
3.25 m x 4.10 m
|
|
|
x)
|
Type
|
Vertical lift roller Gate
|
|
|
xi)
|
Hoist
|
Rope Drum Hoist
|
|
|
xii)
|
Size of outlet gates
|
3.25 m x 4.14 m
|
|
|
xiii)
|
Type
|
Vertical lift roller Gate
|
|
|
xiv)
|
Hoist
|
Rope Drum Hoist
|
|
|
xv)
|
Sill
level at inlet of Flushing Duct
|
EL.1482.98 m
|
|
|
xvi)
|
Sill
level at outlet of Flushing Duct
|
EL.1481.84 m
|
|
11
|
|
Head
Race Tunnel
|
|
|
|
i)
|
Diameter of Tunnel
|
5.0 m
|
|
|
ii)
|
Shape of Tunnel
|
Horse Shoe shape
|
|
|
iii)
|
Lining thickness
|
0.25m
|
|
|
iv)
|
Length of the Tunnel
|
5752.00 m
|
|
|
v)
|
Design Discharge
|
50.81 Cumecs
|
|
12
|
|
Adits
|
|
|
|
|
Total
No. of Adits
|
2
|
|
|
|
Adit 1
|
|
|
|
i)
|
Length of the Adit
|
296.40 m
|
|
|
ii)
|
Dia of Adit
|
4.0 m “D” shaped
|
|
|
|
Adit 2
|
|
|
|
i)
|
Length of the Adit
|
282.00 m
|
|
|
ii)
|
Dia. of Adit
|
4.0 m “D” shaped
|
|
13
|
|
Surge
Shaft
|
|
|
|
i)
|
Diameter of
Surge Shaft
|
15.0 m
|
|
|
ii)
|
Invert
level
|
1453.33 m
|
|
|
iii)
|
Sill level
at inlet
|
1454.90 m
|
|
|
iv)
|
Top Level
|
EL.1507.00 m
|
|
|
v)
|
Maximum
Surge Level
|
EL.1506.00 m
|
|
|
vi)
|
Minimum
Surge Level
|
EL.1462.00 m
|
|
|
vii)
|
Height of
the Surge shaft
|
53.67 m
|
|
|
viii)
|
Type of
Construction
|
RCC lined
|
|
14
|
|
Main Penstock
|
|
|
|
i)
|
Type
|
Tunnel penstock
|
|
|
ii)
|
Shape
|
Circular
|
|
|
iii)
|
Diameter
|
5.0m dia
for a length of 72.9 m
|
|
|
iv)
|
Surface Penstock
|
4.0m dia
for a length of 55.86 m
|
|
|
v)
|
Flow
|
Pressure Flow.
|
|
15
|
|
Power House
|
|
|
|
i)
|
Location
|
Left bank of Pabbar
River.
|
|
|
ii)
|
Type
|
Surface
|
|
|
iii)
|
Size of Power house (including
Service Bay)
|
21.50 m x 40.10 m
|
|
|
iv)
|
Size of Service Bay
|
21.50 m x 10.00m
|
|
|
v)
|
Size of Unit Bay
|
15.00 m X 30.10 m
|
|
|
vi)
|
Size of Control room / Switch gear
room.
|
6.50 m x 30.10 m
|
|
|
vii)
|
No. of Bays
|
3 unit bays and one Service bay
|
|
|
viii)
|
Capacity
|
3 Units of 8000 kW each
|
|
|
ix)
|
El. Of Turbine C/L
|
El 1417.20 m
|
|
|
x)
|
Generator Floor Level
|
El 1419.80 m
|
|
|
xi)
|
Control Room Floor Level
|
El 1427.50 m
|
|
|
xii)
|
Service/Equipment handling Bay Level
|
El 1427.50 m
|
|
|
xiii)
|
Draft Tube floor Level
|
El 1412.77 m
|
|
|
|
a) Draft Tube Gates
|
|
|
|
|
No. of gates
|
3 Nos.
|
|
|
|
Size of gates
|
5.00 m x 2.00m
|
|
|
|
Type
|
Vertical lift Gate
|
|
|
|
Hoisting Arrangement
|
Moving Gantry Crane.
|
|
16
|
|
Tail Race Pool
|
|
|
|
i)
|
Length
|
23.12 m
|
|
|
ii)
|
High Flood Level
|
EL 1426.50
|
|
|
iii)
|
Bed width
|
Varing from 29.63m to 25.00m.
|
|
|
iv)
|
Design discharge
|
50.81 Cumecs
|
|
|
v)
|
Bed Slope
|
1 in 4
|
|
|
vi)
|
Bed Levels
|
Varying from EL 1412.77m to
EL 1418.55m.
|
|
17
|
|
Tail Race Channel
|
|
|
|
i)
|
Length
|
600.00 m
|
|
|
ii)
|
Bed Width
|
25.00 m
|
|
|
iii)
|
Type
|
Unlined, Regraded
|
|
|
iv)
|
Longitudinal
slope
|
1 in 1000
|
|
|
v)
|
Bed Levels
|
Varying from EL 1418.55m to
EL 1417.95.
|
|
18
|
|
Turbines
|
|
|
|
i)
|
Type
|
Vertical Francis Turbine
|
|
|
ii)
|
Rated Capacity of the turbine
|
8333 kW
|
|
|
iii)
|
Maximum Net Head
|
73.83m
|
|
|
iv)
|
Minimum Net Head
|
66.83 m
|
|
|
v)
|
Rated Head
|
68.41 m
|
|
|
vi)
|
Rated Discharge Per unit
|
13.55 Cumecs
|
|
|
vii)
|
Rated Speed
|
375 rpm
|
|
|
viii)
|
Runner Dia.
|
1500 mm
|
|
|
ix)
|
Efficiency
|
92 %
|
|
19
|
|
Generators
|
|
|
|
i)
|
Type
|
Synchronous Generator
|
|
|
ii)
|
Rated Output
|
8000 kW
|
|
|
iii)
|
Generation Voltage
|
11kV
|
|
|
iv)
|
Rated Speed
|
375 rpm
|
|
|
v)
|
Efficiency - Generator
|
96%
|
|
20
|
|
Transmission
Lines
|
|
|
|
i)
|
Length
|
12 km
|
|
|
ii)
|
Terminal
Point
|
66/22 kV HPSEB at Rohru
|
|
|
iii)
|
Type
|
66 kV Double Circuit
|
|
21
|
|
Out
Door Yard
|
|
|
|
i)
|
Size
|
46.00 m x 29.00 m
|
|
|
ii)
|
No. of Power Transformers
|
3
|
|
1
|
|
Location
|
|
|
|
i)
|
State
|
Himachal Pradesh.
|
|
|
ii)
|
District
|
Shimla
|
|
|
iii)
|
River
|
Pabbar River.
|
|
|
iv)
|
Village
|
Paudital-Lassa
|
|
|
v)
|
Nearest Airport
|
Shimla Airport.
|
|
|
vi)
|
Nearest Railway
station
|
NG-Kalka
|
|
|
vii)
|
Nearest capital cities (Across Road)
|
Shimla, Theog, Rohru
|
|
|
viii)
|
Diversion Barrage
|
|
|
|
|
a) Longitude
|
E 77º 43’ 0”
|
|
|
|
b) Latitude
|
N 31º 07’30”
|
|
2
|
|
Purpose of the Project
|
Generation and Transmission of Hydro
Electric Power.
|
|
3
|
|
Installed Capacity
|
3 x 8000 kW
|
|
4
|
|
Annual Energy Generation in Mu in
75%Dependable year
|
134.95 GWHr
|
|
5
|
|
Hydrology
|
|
|
|
i)
|
Catchment Area
|
900.00 Sq km
|
|
|
ii)
|
Design Power Discharge
|
13.55 cumecs
/ Unit, at rated head
|
|
|
iii)
|
Maximum Power Discharge
|
16.93 cumecs
/ Unit
|
|
|
iv)
|
Design Flood
|
3000 cumecs
|
|
6
|
|
Diversion Structure
|
|
|
|
i)
|
Location
|
Across Pabbar
River near Paudital village.
|
|
|
ii)
|
Type
|
Trench Weir
|
|
|
iii)
|
FRL
|
EL 1492.50m
|
|
|
iv)
|
Deepest Foundation level
|
EL 1482.15 m
|
|
|
v)
|
Deepest
River bed level
|
EL 1490.00
m
|
|
|
vi)
|
Height of
the Trench Weir at deepest bed level
|
10.85 m
|
|
|
vii)
|
Length of Weir
|
104.00 m
|
|
|
viii)
|
Flood discharge capacity
|
3000 cumecs
|
|
|
ix)
|
Gate
|
|
|
|
|
(a) Service Gate
|
|
|
|
|
Nos.
|
1
|
|
|
|
Size
|
5.00
m x 4.0 m
|
|
|
|
Hoist
|
Rope
Drum Hoist
|
|
7
|
|
Intake
|
|
|
|
i)
|
No
|
1
|
|
|
ii)
|
Sill Level
|
EL.1484.20 m
|
|
|
iii)
|
Hoist Bridge Level
|
EL.1502.00 m
|
|
|
iv)
|
Design Discharge for three units
including flushing
|
61.00
cumecs
|
|
|
v)
|
Gates
|
|
|
|
|
a) Service
Gate
|
|
|
|
|
Nos.
|
2
|
|
|
|
Size
|
3.0 m x 4.1 m
|
|
|
|
Type
|
Vertical lift roller Gate
|
|
|
|
Hoist
|
Rope Drum Hoist
|
|
8
|
|
Power
Channel (from CH :24.57 m to 41.57)
|
|
|
|
i)
|
Length of Channel
|
17.00 m
|
|
|
ii)
|
Size of Channel
|
7.5 x 11.60 m
|
|
|
iii)
|
Bed
gradient of channel
|
1 : 2500
|
|
9
|
|
Power
Channel (from CH :177.59 m to 184.93)
|
|
|
|
i)
|
Length of Channel
|
7.34 m
|
|
|
ii)
|
Size of Channel
|
7.5 x 11.60 m
|
|
|
iii)
|
Bed
gradient of channel
|
1 : 2500
|
|
10
|
|
Desander
|
|
|
|
i)
|
Length of Desander
including transition, inlet and outlet and gates.
|
136.00 m
|
|
|
ii)
|
Width of gated
structure
|
7.5 m
|
|
|
iii)
|
Width of each bay
|
10.0 m
|
|
|
iv)
|
Total width of Desander
including bifurcation wall
|
23.00 m
|
|
|
v)
|
No. of bays
|
2
|
|
|
vi)
|
Sill
level of inlet gate
|
EL 1488.39 m
|
|
|
vii)
|
Sill level at exit gate
|
EL 1488.35 m
|
|
|
viii)
|
Top level at Desander
|
EL 1500.00 m
|
|
|
ix)
|
Size of inlet gates
|
3.25 m x 4.10 m
|
|
|
x)
|
Type
|
Vertical lift roller Gate
|
|
|
xi)
|
Hoist
|
Rope Drum Hoist
|
|
|
xii)
|
Size of outlet gates
|
3.25 m x 4.14 m
|
|
|
xiii)
|
Type
|
Vertical lift roller Gate
|
|
|
xiv)
|
Hoist
|
Rope Drum Hoist
|
|
|
xv)
|
Sill
level at inlet of Flushing Duct
|
EL.1482.98 m
|
|
|
xvi)
|
Sill
level at outlet of Flushing Duct
|
EL.1481.84 m
|
|
11
|
|
Head
Race Tunnel
|
|
|
|
i)
|
Diameter of Tunnel
|
5.0 m
|
|
|
ii)
|
Shape of Tunnel
|
Horse Shoe shape
|
|
|
iii)
|
Lining thickness
|
0.25m
|
|
|
iv)
|
Length of the Tunnel
|
5752.00 m
|
|
|
v)
|
Design Discharge
|
50.81 Cumecs
|
|
12
|
|
Adits
|
|
|
|
|
Total
No. of Adits
|
2
|
|
|
|
Adit 1
|
|
|
|
i)
|
Length of the Adit
|
296.40 m
|
|
|
ii)
|
Dia of Adit
|
4.0 m “D” shaped
|
|
|
|
Adit 2
|
|
|
|
i)
|
Length of the Adit
|
282.00 m
|
|
|
ii)
|
Dia. of Adit
|
4.0 m “D” shaped
|
|
13
|
|
Surge
Shaft
|
|
|
|
i)
|
Diameter of
Surge Shaft
|
15.0 m
|
|
|
ii)
|
Invert
level
|
1453.33 m
|
|
|
iii)
|
Sill level
at inlet
|
1454.90 m
|
|
|
iv)
|
Top Level
|
EL.1507.00 m
|
|
|
v)
|
Maximum
Surge Level
|
EL.1506.00 m
|
|
|
vi)
|
Minimum
Surge Level
|
EL.1462.00 m
|
|
|
vii)
|
Height of
the Surge shaft
|
53.67 m
|
|
|
viii)
|
Type of
Construction
|
RCC lined
|
|
14
|
|
Main Penstock
|
|
|
|
i)
|
Type
|
Tunnel penstock
|
|
|
ii)
|
Shape
|
Circular
|
|
|
iii)
|
Diameter
|
5.0m dia
for a length of 72.9 m
|
|
|
iv)
|
Surface Penstock
|
4.0m dia
for a length of 55.86 m
|
|
|
v)
|
Flow
|
Pressure Flow.
|
|
15
|
|
Power House
|
|
|
|
i)
|
Location
|
Left bank of Pabbar
River.
|
|
|
ii)
|
Type
|
Surface
|
|
|
iii)
|
Size of Power house (including
Service Bay)
|
21.50 m x 40.10 m
|
|
|
iv)
|
Size of Service Bay
|
21.50 m x 10.00m
|
|
|
v)
|
Size of Unit Bay
|
15.00 m X 30.10 m
|
|
|
vi)
|
Size of Control room / Switch gear
room.
|
6.50 m x 30.10 m
|
|
|
vii)
|
No. of Bays
|
3 unit bays and one Service bay
|
|
|
viii)
|
Capacity
|
3 Units of 8000 kW each
|
|
|
ix)
|
El. Of Turbine C/L
|
El 1417.20 m
|
|
|
x)
|
Generator Floor Level
|
El 1419.80 m
|
|
|
xi)
|
Control Room Floor Level
|
El 1427.50 m
|
|
|
xii)
|
Service/Equipment handling Bay Level
|
El 1427.50 m
|
|
|
xiii)
|
Draft Tube floor Level
|
El 1412.77 m
|
|
|
|
a) Draft Tube Gates
|
|
|
|
|
No. of gates
|
3 Nos.
|
|
|
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Size of gates
|
5.00 m x 2.00m
|
|
|
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Type
|
Vertical lift Gate
|
|
|
|
Hoisting Arrangement
|
Moving Gantry Crane.
|
|
16
|
|
Tail Race Pool
|
|
|
|
i)
|
Length
|
23.12 m
|
|
|
ii)
|
High Flood Level
|
EL 1426.50
|
|
|
iii)
|
Bed width
|
Varing from 29.63m to 25.00m.
|
|
|
iv)
|
Design discharge
|
50.81 Cumecs
|
|
|
v)
|
Bed Slope
|
1 in 4
|
|
|
vi)
|
Bed Levels
|
Varying from EL 1412.77m to
EL 1418.55m.
|
|
17
|
|
Tail Race Channel
|
|
|
|
i)
|
Length
|
600.00 m
|
|
|
ii)
|
Bed Width
|
25.00 m
|
|
|
iii)
|
Type
|
Unlined, Regraded
|
|
|
iv)
|
Longitudinal
slope
|
1 in 1000
|
|
|
v)
|
Bed Levels
|
Varying from EL 1418.55m to
EL 1417.95.
|
|
18
|
|
Turbines
|
|
|
|
i)
|
Type
|
Vertical Francis Turbine
|
|
|
ii)
|
Rated Capacity of the turbine
|
8333 kW
|
|
|
iii)
|
Maximum Net Head
|
73.83m
|
|
|
iv)
|
Minimum Net Head
|
66.83 m
|
|
|
v)
|
Rated Head
|
68.41 m
|
|
|
vi)
|
Rated Discharge Per unit
|
13.55 Cumecs
|
|
|
vii)
|
Rated Speed
|
375 rpm
|
|
|
viii)
|
Runner Dia.
|
1500 mm
|
|
|
ix)
|
Efficiency
|
92 %
|
|
19
|
|
Generators
|
|
|
|
i)
|
Type
|
Synchronous Generator
|
|
|
ii)
|
Rated Output
|
8000 kW
|
|
|
