FORM-3
SALIENT  FEATURES  OF  HYDROELECTRIC  PROJECT
NAME OF COMPANY:  HPSEB
NAME OF POWER STATION: GIRI POWER HOUSE
1. Location
State/Distt.	HIMACHAL PRADESH / SIRMOR
River	GIRI
2. Diversion Tunnel
Size, shape	NA
Length	NA
3. Dam
Type	DIVERSION
Maximum dam height	615.46 MTR (TOP LEVEL)
4. Spillway
Type	STEEL GATED STRUCTURE
Crest level of spillway	612.647 MTR.
5. Reservoir
Full Reservior Level (FRL)	615.60 MTR
Minimum Draw Down Level (MDDL)	612.65 MTR.
Live storage (MCM)	209920 CUB. MTR.
6. Desilting Arrangement
Type	SILT EJECTOR TUNNEL AT INTAKE=1 NO.
	SILT EJECTOR AT MARAR ADIT =3 NOS PUMPS OF
	DIA 450 MM.
Number and Size
Particle size to be removed(mm)	0.053MM
7. Head Race Tunnel
Size and type	3.66 MTR DIA CIRCULAR
Length	7.273 KMS.
Design discharge(Cumecs)	47 CUMECS
8. Surge Shaft
Type	WELL TYPE CONCRETE STRUCTURE
Diameter	10.668 MTR.
Height	66 MTR.
9. Penstock/Pressure shafts
Type	STEEL LINED
Diameter & Length	2.5 MTR DIA 547 MTR. LONG (2 NOS.)
10. Power House
Type	SEMI UNDER  GROUND
Installed capacity (No of units x MW)	2X30 MW
Peaking capacity during lean period (MW)	24 MW
Type of turbine	VERTICAL FRANCIS
Rated Head(M)	146.30 MTR.
Rated Discharge(Cumecs)	47 CUMECS.
11. Tail Race Tunnel
Diameter, shape	RECTANGULAR
Length	800 MTR.
Minimum tail water level	435 MTR.
12. Switchyard
Type of Switch gear	SF-6 / ABCB
No. of generator bays	2
No. of Bus coupler bays	1
No. of line bays	6
Note: Specify  limitation on generation during specific time period on account of restriction(s) on
water use due to irrigation, drinking water, industrial, environmental considerations etc.
				PETITIONER