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Expression of Interest
HPSEB has been
entrusted by the Govt. of Himachal Pradesh with execution of Shongtong
Karcham Hydroelectric Project (402 MW) and Sainj Hydroelectric Project (100
MW). Brief description of these projects is given below. These parameters
are tentative and may undergo change on the basis of detailed studies at the
time of construction.
Shongtong
Karcham HE Project
Location
State
Himachal Pradesh
District
Kinnaur
River
Satluj
Hydrology
Max. observed average 10- daily discharge
1666 cumecs
Design discharge
371 cumecs
Firm discharge, 90% Availability
71.72 cumecs
Firm discharge, 50% Availability
130 cumecs
Power generation
Gross head
146m
Net head
125m
Installed capacity
402 MW
Power generation, 90% dependable Year 1635.86 GWH
Project
Structures
Diversion Barrage 22m (H) x 241.5m (L) x 102.5m (W)
Diversion Tunnel 10m dia., 1187m long
Intake structure 4 bays 10m wide with 4 gates 5m x
4.25m size
Intake Tunnels 4Nos. 169m to270m long, 5m modified
horseshoe shape
Sedimentation Chambers 4 Nos., 14mx25mx300m
Feeder Tunnels to HRT 4 Nos., 5m dia. 95m to169m long.
HRT
10m dia. 8020m long
Adits to HRT
3 Nos. 7.5m D-shaped 210m to 601m long
Surge shaft
39.50m dia.,
Restricted orifice type 122.9 m high.
Valve chamber
95m x 10m x 22m
Pressure Shafts
3 Nos.5.10m dia 211m long each with ASTM-537 steel liner
Machine Hall
90mx20mx51m
Transformer hall
72mx15.5mx25m
Turbines
3Nos., 250 rpm, Francis type
Generators
3Nos., Salient pole type148.88MVA
Transmission line
400KV double circuit 15Km long
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