Pressure Tunnels:

Nos. 02
Length 298 M.
Diameter 5.25 M.
Bottom level of pressure tunnel 586.095 M
Lining Thickness (Steel Liner ASTM 537)0.3 M.(Class-2 with stiffener)
Liner Plate thickness 16 mm.
Penstock Nos.04
Diameter 3.5 m.
Length 790 m.
(Steel shell ASTM 537, Class II shell)
Plate thickness Maximum 45 mm.
Minimum 22 mm.

Tail Race Channel:

Base Level 260 m.
Length 9 KM
Width, Bed Maximum 20 m. Minimum 18 m.
Concrete Lining thickness 0.15 m.
Discharge 210 Cum./Sec
Depth at Maximum flow 5.0 m.
By Pass Tunnel at Right Dyke No. III
Bed level 620 M
Shape Horse ShoeLength 254 M
Maximum Dia 3.5 M

Turbine

Make M/S Fuji Electric Co. Ltd. Japan
Type Vertical, Fancis
Rated Speed 428.6 RPM
Max. Run away speed 730 RPM
Out Put at 360 m. head and 100% gate opening 163.3 MW
Discharge at the above output 47.1 cum/Sec.
Efficiency at the above head and discharge 94.1%

Generator

Make                          M/S Fuji Electric Co. Ltd. Japan
Type                          Synchronous
Voltage                      11 KV, (+,-) 5%
Frequency                  50 HZ, (+,-) 2%
Power Factor               0.90 Lag
Rated Out Put            150 MW
Max. Var Out Put         135 MVAR
Rating                        166.7 MVA

The dates of commissioning and commercial operation of the four units of Indravati Power House are as follows:

Sl. No.	Unit	Date of Commissioning	Date of Commercial Operation
1	2	3	4
1	Unit - 1	05-09-1999	19-09-1999
2	Unit - 2	23-12-1999	28-12-1999
3	Unit - 3	30-09-1999	04-10-2000
4	Unit - 4	16-04-2001	19-04-2001

The project provides peak power up to 600 MW with design energy of 1962 MU in 90% dependable year. The capital outlay of the project is 1107 Crores.

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