| FORM-3 | |||||
| SALIENT FEATURES OF HYDROELECTRIC PROJECT | |||||
| NAME OF COMPANY: | Himachal Pradesh State Electricity Board | ||||
| NAME OF POWER STATION: - 3 x 42 MW Larji Hydel Project | |||||
| 1. Location | |||||
| State/Distt. | Himachal Pradesh/Mandi | ||||
| River | Beas | ||||
| 2. Diversion Tunnel | |||||
| Size, shape | 8.80 m. dia. | ||||
| Length | 320 m. | ||||
| 3. Dam | |||||
| Type | Concrete Barrage | ||||
| Maximum dam height | 26.50 m. | ||||
| 4. Spillway | |||||
| Type | 5 nos. 11 x 12 m Radial Gates | ||||
| Crest level of spillway | 951.00 m | ||||
| 5. Reservoir | |||||
| Full Reservior Level (FRL) | 969.50 m | ||||
| Minimum Draw Down Level (MDDL) | 963.00 m | ||||
| Live storage (MCM) | 230 Hectare metre. | ||||
| 6. Desilting Arrangement | |||||
| Type | Under ground | ||||
| Number and Size | 4 chambers of 127 X 16 m each. | ||||
| Particle size to be removed(mm) | 0.40 mm and above. | ||||
| 7. Head Race Tunnel | |||||
| Size and type | 8.50 m Circular | ||||
| Length | 4119.86 m | ||||
| Design discharge(Cumecs) | 250 Cumecs | ||||
| 8. Surge Shaft | |||||
| Type | Circular Restricted Orifice. | ||||
| Diameter | 37.00 m | ||||
| Height | 71.00 m | ||||
| 9. Penstock/Pressure shafts | |||||
| Type | 3 nos. Underground Circular Steel lined. | ||||
| Diameter & Length | 4.5 m dia., 83.33 m each (Average) | ||||
| 10. Power House | |||||
| Type | Under Ground | ||||
| Installed capacity (No of units x MW) | 3 X 42 MW | ||||
| Peaking capacity during lean period (MW) | 126 MW, 2.00 hrs. morning & 2.98 hrs. evening | ||||
| Type of turbine | Vertical Francis | ||||
| Rated Head(M) | 56.84 m | ||||
| Rated Discharge(Cumecs) | 250 cumecs. | ||||
| 11. Tail Race Tunnel | |||||
| Diameter, shape | 10.00 m dia. D - shaped | ||||
| Length | 258.00 m | ||||
| Minimum tail water level | 894.74 m | ||||
| 12. Switchyard | |||||
| Type of Switch gear | SF6 GIS | ||||
| No. of generator bays | 3 nos. | ||||
| No. of Bus coupler bays | 1 no. | ||||
| No. of line bays | 4 nos. lines & 1 no. Station Transformer Bays | ||||
| 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. | |||||
| Restriction during flooding conditions: - Power house to be closed if the discharge in the river exceeds 2000 cumecs. | |||||
| PETITIONER | |||||