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COMPLETED PROJECTS
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LIST OF ALL Completed Projects
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ONGOING PROJECTS
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LIST OF ALL ONGOING PROJECTS
Kollya Mini Hydel Scheme 24 MW
Ongoing Projects
Completed Projects
List of All Completed Projects
List of All Ongoing Projects
| LOCATION | ||
| 1 | State | Karnataka |
| 2 | District | South Canara |
| 3 | Taluk | Puttur |
| 4 | River | Kumaradhara |
| 5 | Tributary to | Nethravathi |
| 6 | Latitude | |
| Diversion Weir | 12° 45' 52" | |
| Power House | 12° 45' 47" | |
| 7 | Longitude | |
| Diversion Weir | 75° 20' 24" | |
| Power House | 75° 20' 22" | |
| 8 | Nearest Village | Veeramangala (1 km) on Left bank, Kollya (1.50) km on Right bank |
| 9 | Nearest Town | Puttur ( 12.00 km) |
| 10 | Nearest City | Mangalore (64.50 km) |
| 11 | Nearest Air- Port | Mangalore |
| Purpose of the Project | ||
| 1 | Purpose of the Project | Generation and Transmission of Hydro Electric Power |
| Installed Capacity | ||
| 1 | Installed Capacity | 8 x 3000 kW |
| Annual Energy Generation | ||
| 1 | Annual Energy Generation | 69.74GWHr. |
| Hydrology | ||
| 1 | Catchment Area | 1706.654 sqkm |
| 2 | Average Annual Yield | 6995.61 M cum |
| 3 | Design Power Discharge | 65.34 cumecs/ Unit, at rated head |
| 4 | Maximum Power Discharge | 75.14 cumecs/ Unit |
| 5 | Design Flood (at Barrage site) | 5106 cumecs |
| 6 | Air Temperature | |
| Maximum | 42° C | |
| Minimum | 11.5° C | |
| 7 | Humidity | |
| Maximum | 100% | |
| Minimum | 32% | |
| Diversion Weir | ||
| 1 | Location | Weir across Kumaradhara River, near Veeramangala, 13.50 km from Puttur, Puttur Taluk, South Canara District |
| 2 | Type | Gated, Gravity section built out of mass concrete |
| 3 | FRL | El 60.00 m |
| 4 | MWL | El 61.20 m |
| 5 | Top of Bridge / Non Overflow Section | El 62.50 m |
| 6 | Weir Crest | El 55.00 m |
| 7 | Deepest Foundation level | El 52.00 m |
| 8 | Height of the Weir up to crest ( from deepest foundation level) | 3.00 m |
| 9 | Length of Overflow Section | 220.00m |
| 10 | Length of Non overflow Section , Right bank | 12.44 m |
| 11 | Intake cum Left NOF Block | 132.90 m |
| Total | 365.34 m | |
| 12 | Flood discharge capacity of Weir | 5106 cumecs |
| 13 | Flood Lift | 1.00 m |
| 14 | Gates | |
| (a) Service Gate | ||
| Nos. | 19 | |
| Size | 10.00m x 5.0m | |
| Type | Vertical lift roller gate. | |
| Hoist | Gantry Crane. | |
| (a) Stop log Gate | ||
| Sets | 3 Sets | |
| Size | 10.00m x 5.0m | |
| Type | Vertical lift roller gate | |
| Hoist | Gantry Crane | |
| Intake | ||
| 1 | No of Vents. | 16 |
| 2 | Vent Size | 4.33 x 5.50m |
| 3 | Sill Level | 49.35 m |
| 4 | Hoist Bridge Level | 62.50 m |
| 5 | Design Discharge | 600 cumecs |
| 6 | Gates | |
| (a) Service Gate | ||
| Nos. | 16 | |
| Size | 4.33 x 5.50m | |
| Type | Vertical lift roller gate | |
| Hoist | Hydraulic Hoist, remote operation from Powerhouse | |
| (b) Stop log Gate | ||
| Nos. | 3 | |
| Size | 4.33 x 5.50m | |
| Type | Vertical lift roller gate | |
| Hoist | Gantry Crane | |
| (c) Trash Rack Gate | ||
| Nos. | 16 | |
| Size | 4.33 x 6.586 m | |
| Type | Vertical Lift fixed wheel roller gate | |
| Hoist | Under Slung Monorail. | |
| Power House | ||
| 1 | Location | Left bank of Kumaradhara River about 1.00 km from Veeramangala village and about 1.50 km from Kollya which is on right bank |
| 2 | Type | Surface type |
| 3 | Size of Machine Hall (outer to Outer) | 18.60 m x 92.275 m |
| 4 | Size of Service Bay | 18.60 m x 6.20 m |
| 5 | Size of Control room | 90.275m x 6.20 m |
| 6 | No. of Bays | 8 unit bays and one Service bay |
| 7 | No. of Units and Capacity | 8 Units of 3000 kW each |
| 8 | El. of Turbine C/L | El 52.00 m |
| 9 | Generator Floor Level | El 55.85 m |
| 10 | Control Room Floor Level | El 55.30 m |
| 11 | Service/Equipment handling Bay Level | El 60.50m |
| 12 | Draft Tube floor Level | El 42.64 m |
| 13 | HFL | El 59.50 m |
| 14 | Min TWL | El 52.54 m |
| 15 | Draft Tube Gates | |
| No. of Vents | 16 | |
| Size | 4.33 m x 4.82m | |
| Type | Vertical Lift fixed wheel roller gate | |
| No. of Sets | 16 with 3 elements each | |
| Hoisting Arrangement | Gantry Crane | |
| Tail Channel | ||
| 1 | Length (including Tail Race Pool) | 460.00m |
| 2 | Max. TWL | El 54.36 m |
| 3 | High Flood Level (River) | El 59.50m |
| 4 | Bed Width | 100.00 m |
| 5 | Side Slopes | 1:8 in Rock |
| 1:1 in Soft Rock and Soil | ||
| 6 | Design Discharge | 600 cumecs |
| 7 | Bed Slope | 1 in1000 (appx) |
| 8 | Verdana | Varying from 52.36 m to 52.00m |
| Turbines | ||
| 1 | Implementation Schedule | Vertical Kaplan |
| 2 | Rated Output | 3000kW |
| 3 | Maximum Net Head | 6.875 m |
| 4 | Minimum Net Head | 3.575 m |
| 5 | Rated Head | 5.50 m |
| 6 | Rated Discharge per unit | 65.34 cumecs |
| 7 | Maximum Discharge per unit | 75.14 cumecs |
| 8 | Rated Speed | 120 rpm |
| 9 | Runner Dia | 3450mm to 3500 mm |
| 10 | Efficiency | 92.00 % |
| 11 | Continuous Over Load Capacity | 115% |
| Generators | ||
| 1 | Type | Synchronous generator |
| 2 | Rated Output | 3000 kW |
| 3 | Generation Voltage | 11 kV |
| 4 | Rated Speed | 750 rpm |
| 5 | Efficiency-Generator | 96 % |
| 6 | Efficiency-Gear Box | 96.30 % |
| Transmission Lines Schedule | ||
| 1 | Length | 23.00 km |
| 2 | Terminal Point | KPTCL 110/33/11kV Substation at Nettlamanur |
| 3 | Type | 110 Kv Double circuit |
| Out Door Yard | ||
| 1 | Size | 67.00 m x 94.00 m |
| 2 | No. of Power Transformers | 8 |
| Cost | ||
| 1 | Estimated cost of Civil Works | Rs.7213.00 Lakhs |
| 2 | Estimated cost of E & M Works | Rs. 3200.00 Lakhs |
| 3 | Estimated cost of T –Transmission | Rs.1200.00 Lakhs |
| 4 | Total cost including Escalations and Interest During Construction | Rs. 13611.00Lakhs |
| Energy | ||
| 1 | Total Energy Generation | 69.74 GWHr |
| 2 | Saleable Energy | 69.39 GWHr |
| 3 | Cost of Energy Generation (1st Year) | Rs. 3.41 /per unit |
| 4 | Cost of Installation per MW | Rs.56713.00 |
| Implementation Schedule | ||
| 1 | Implementation Schedule | 28 Months from Zero date |
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