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COPYRIGHT: MIDDLEMODI HYDROPOWER LIMITED (2014)
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Contact Informations
Head Office:
2nd Floor, Steel Tower
Jawalakhel
Lalitpur
Nepal
Phone Numbers:
977-1-5000478
977-1-5000480
Fax Number:
977-1-5000477
Email:
mail@middlemodi.com.np
Corporate Office:
Hattiban
Lalitpur
Nepal
Phone Numbers:
977-1-5251134
977-1-5250133
Site Office:
Nepal
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Coastal Projects Ltd.
CG | Energy Infrastructure Ltd.
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COPYRIGHT: MIDDLEMODI HYDROPOWER LIMITED (2014)
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Middle Modi Hydroelectric Project (MMHP) is located about 40 km north-west of Pokhara in Kaski
and Parbat Districts, Gandaki Zone of Western Development. The project lies in the Bhuktangle,
Deupur and Tilhar VDCs of Parbat District and Salyan and Lumle VDCs of Kaski District. The
headworks is located at Birethanti village. At present there is about 1.5km long earthen road
access to the headworks area from Nayapul bazaar which is the nearest point with all year road
access along the Pokhara – Baglung highway. The powerhouse lies opposite to the Pokhara –
Baglung highway at the right bank of the Modi with waterway alignment located at the right bank
of Modi Khola.
This project is a simple Run-of-River scheme that utilizes the flow in Modi Khola. Modi Khola is one of the major tributaries of
the Kaligandaki River of the Gandaki basin. The proposed project has installed capacity of 15MW, design discharge of
25m3/sec and net head of 70m. The diversion weir across the Modi Khola diverts the water into the side intake. A gravel trap
of length 15m settles gravels coming through the six orifices of the intake and settling basin with four parallel settling
chambers of length 166m settles sediment particles larger than 0.2mm and passes water into the headrace tunnel. The
headrace tunnel of length 2840m of finished diameter of 3.6~4.4m and steel penstock pipe of diameter 3.2m and length
147m feed water to the two units of Vertical Axis Francis Turbines installed in the semi-surface powerhouse to generate
15MW power. The water will then be discharged back into the Modi Khola through 77m long concrete tailrace box culvert. A
semi-underground surge tank is provisioned at the end of the headrace tunnel.
The electricity generated from this plant will be connected to the National Grid at the Modi Khola Power Plant Sub Station at
Patichaur through 4km long 132kV single circuit transmission line. The total net energy production will be 79.12GWh
annually.
and Parbat Districts, Gandaki Zone of Western Development. The project lies in the Bhuktangle,
Deupur and Tilhar VDCs of Parbat District and Salyan and Lumle VDCs of Kaski District. The
headworks is located at Birethanti village. At present there is about 1.5km long earthen road
access to the headworks area from Nayapul bazaar which is the nearest point with all year road
access along the Pokhara – Baglung highway. The powerhouse lies opposite to the Pokhara –
Baglung highway at the right bank of the Modi with waterway alignment located at the right bank
of Modi Khola.
This project is a simple Run-of-River scheme that utilizes the flow in Modi Khola. Modi Khola is one of the major tributaries of
the Kaligandaki River of the Gandaki basin. The proposed project has installed capacity of 15MW, design discharge of
25m3/sec and net head of 70m. The diversion weir across the Modi Khola diverts the water into the side intake. A gravel trap
of length 15m settles gravels coming through the six orifices of the intake and settling basin with four parallel settling
chambers of length 166m settles sediment particles larger than 0.2mm and passes water into the headrace tunnel. The
headrace tunnel of length 2840m of finished diameter of 3.6~4.4m and steel penstock pipe of diameter 3.2m and length
147m feed water to the two units of Vertical Axis Francis Turbines installed in the semi-surface powerhouse to generate
15MW power. The water will then be discharged back into the Modi Khola through 77m long concrete tailrace box culvert. A
semi-underground surge tank is provisioned at the end of the headrace tunnel.
The electricity generated from this plant will be connected to the National Grid at the Modi Khola Power Plant Sub Station at
Patichaur through 4km long 132kV single circuit transmission line. The total net energy production will be 79.12GWh
annually.
Salient Features
| Project | Middle Modi Hydroelectric Project |
|
LOCATION
|
|
| Type of Project | Run-of-River |
| Village Development Committee | Bhuktangle, Lumle, Deupur, Salyanand Tilhar VDCs |
| Districts | Kaski and Parbat |
| Zone | Gandaki and Dhaulagiri |
| Development Region | Western Development Region |
| Headworks Area | Bhuktangle/Birethanti village |
| Powerhouse Area | Dhaba, Just U/S of Modi HEP (NEA) |
| River | Modi Khola |
|
HYDROLOGY
|
|
| Catchment Area at Intake | 488 km2 |
| Design Discharge | 25 m3/s |
| 90% Annual Dependable Flow | 7.31m3/s |
| Compensation Flow | 0.72m3/s |
|
FLOOD
|
|
| 1 in 100 years Design Flood at Weir | 972.9 m3/s |
| 1 in 200 years Design Flood at Weir | 1084.5 m3/s |
|
ACCESS ROAD
|
|
| Access Road to HW | Existing Nayapul – Birethanti Road |
| Access Road to PH | 700m from Pokhara-Baglung Highway |
|
DIVERSION WEIR
|
|
| Type of Weir | Concrete Gravity with Uncontrolled Spillway |
| Crest Length of Spillway | 32m |
| Weir Crest Level | EL. 1014.5 masl |
| Height of Weir | 5 m from river bed |
| Flood Level at 1 in 200 years Flood | EL. 1021.85 masl |
| Under-sluice gate | 2 x 3m wide x 4m high |
| Invert Level of Undersluice | EL. 1010.20 masl |
|
INTAKE
|
|
| Type of Intake | Side Intake, Orifice Type |
| No. of Intake Openings | Six (1.2m x 3m each) |
| Invert Level of Sill | EL. 1012.80 masl |
| Design Flow | 28.75 m3/s |
| No. of Gates | Six |
| Gate Size | 1.5m x 3m each |
|
GRAVEL TRAP
|
|
| Size | 15m x 23~7m x 10m (L x B x H) |
| Flushing Conduit | 1m x 1.5m Box, 30m Length |
| Top Level | EL. 1019.7~1021.93 masl |
|
APPROACH BOX CULVERT
|
|
| Canal Type | Double Box Culvert |
| Length of Canal | 83m |
| Size of Canal | 3.2m x 3.4m (H x W) |
|
SIDE SPILLWAY
|
|
| Length | 27m |
| Discharge Capacity | 117.3 m3/sec |
| Location | At Side Wall of Combined Box Culvert |
|
SETTLING BASIN
|
|
| No. of Basins | Two |
| No. of Chambers | Four |
| Nominal Size of Trapped Particle | 0.20mm |
| Trap Efficiency | 90% |
| Transition Section | 52m length |
| Parallel Section Size | 114m(L)x7m(W)x8.94~11.22m (H) each including bottom hopper |
| Flushing Gates | Four (1m x 1m) |
| Outlet Orifice | Submerged, 8 Nos, 1.25m x 2.5m |
|
HEADPOND
|
|
| Capacity | 1200m3 |
| Size | 28m (L) x 12m (W) x 2.5m (H) |
| Side Spillway | 22m Length |
| Discharge Capacity | 25 m3/sec |
| Normal Water Level | EL. 1013.41 masl |
|
HEADRACE TUNNEL
|
|
| Section Type | Inverted-D |
| Finish Diameter | 3.6 ~4.4m |
| Finish Area | 12.02~15.21m2 |
| Length | 2840m |
| Support | Fully Concrete Lined (160m) and Shotcrete Lining in Wall and Crown, Concrete Lining in Invert (2680m) |
|
SURGE TANK
|
|
| Type | Surface and near HRT outlet portal |
| Finish Diameter | 9m |
| Height | 33.49m |
| USWL | EL. 1024.57 masl |
| DSWL | EL. 1000.18 masl |
|
PENSTOCK
|
|
| Material | Steel |
| Diameter | 3.2m |
| Length | 147m |
| Thickness | 10, 12 and 16 mm |
|
POWERHOUSE
|
|
| Type | Semi – Surface |
| Dimension | 30m (L) x 13.5m (W) x 24m (H) |
| Turbine Axis Level | EL. 938.30 masl |
| Floor Level | EL. 944.60 masl |
| Tail Pond Level | EL. 940.50 masl |
|
TAILRACE
|
|
| Type | Concrete Box Culvert |
| Length | 77m |
| Size | 4m x 3.6m |
| Outlet Tail water Level | EL. 940.42 masl |
|
TURBINES
|
|
| Type of Turbine | Francis (Vertical Axis) |
| No. of Units | Two |
| Rated Net Head | 69.78m |
| Unit Discharge | 12.50m3/s |
|
TRANSMISSION LINE
|
|
| Voltage | 132kV |
| Length | 4km |
| Connection | NEA Sub-station at Patichaur, Parbat |
|
POWER AND ENERGY GENERATION
|
|
| Gross Head | 72.91m |
| Net Head | 69.78m |
| Installed Capacity | 15MW |
| Annual Net Energy | 79.124GWh |
| Dry Season Energy | 12.198GWh |
| Wet Season Energy | 66.925GWh |
|
TARGET COMPLETION DATE: July 2014
|
|
Middlemodi Hydroelectric Project (15.1 MW)
Links
Nepal Electricity Authority
Himal Hydro & General Construction Ltd.
Coastal Projects Ltd.
CG | Energy Infrastructure Ltd.
Chaudhary Group-Nepal
COPYRIGHT: MIDDLEMODI HYDROPOWER LIMITED (2014)
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Middle Modi Hydropower Limited was established in 2065 in Lalitpur, Nepal under the
company Act 2053 of the government of Nepal (Registration No. 1072/064/065) with the
main objective to develop hydropower sector of Nepal through the private investment. It’s a
company promoted by Chaudhary Group Nepal and Coastal Projects Limited, India through
a parent company Nepal Jalabidhyut Parbardan tatha Bikas Limited (NJPBL). NJPB holds
100% shares in Middle Modi Hydropower Limited and 77.85% in Himal Hydro and General
Construction Limited. CG Energy Infrastructure Pvt. Ltd. and Coastal Projects Limited India
jointly holds 82.2% shares in NJPBL.
company Act 2053 of the government of Nepal (Registration No. 1072/064/065) with the
main objective to develop hydropower sector of Nepal through the private investment. It’s a
company promoted by Chaudhary Group Nepal and Coastal Projects Limited, India through
a parent company Nepal Jalabidhyut Parbardan tatha Bikas Limited (NJPBL). NJPB holds
100% shares in Middle Modi Hydropower Limited and 77.85% in Himal Hydro and General
Construction Limited. CG Energy Infrastructure Pvt. Ltd. and Coastal Projects Limited India
jointly holds 82.2% shares in NJPBL.
About Middlemodi Hydropower Limited
Links
Nepal Electricity Authority
Himal Hydro & General Construction Ltd.
Coastal Projects Ltd.
CG | Energy Infrastructure Ltd.
Chaudhary Group-Nepal
COPYRIGHT: MIDDLEMODI HYDROPOWER LIMITED (2014)
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About Us - Middlemodi Hydropower Limited
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Projects - Middlemodi Hydroelectric Project
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Photo Gallery of Middlemodi Hydroelectric Project (15.1MW)
Powerhosue Area
Modi River in Dry Season
Detail Survey of Proposed Access Road
Drilling Gelogical Report
Drilling work in Modi Site
Geology of Middlemodi Project
Left Bank of Weir Axis
Overall veiw of Surge shaft Area
Permanent Benchmark HW5
Permanent Benchmark HW6
Proposed Bridge Axis
Right Bank of proposed Bridge Axis
Discharge Measurement at Modi River
Preparing for Sediments Sudy at Modi River
Sediments Study at Modi River
Traverse Survey 2014
Tunnel Inlet Portal
Local Market near Middlemodi Project
On the way to Middle Modi (Dhaulagiri Gate)
Powerhosue Area
Modi River in Dry Season
Detail Survey of Proposed Access Road
Drilling Gelogical Report
Drilling work in Modi Site
Geology of Middlemodi Project
Left Bank of Weir Axis
Overall veiw of Surge shaft Area
Permanent Benchmark HW5
Permanent Benchmark HW6
Proposed Bridge Axis
Right Bank of proposed Bridge Axis
Discharge Measurement at Modi River
Preparing for Sediments Sudy at Modi River
Sediments Study at Modi River
Traverse Survey 2014
Tunnel Inlet Portal
Local Market near Middlemodi Project
On the way to Middle Modi (Dhaulagiri Gate)
Links
Nepal Electricity Authority
Himal Hydro & General Construction Ltd.
Coastal Projects Ltd.
CG | Energy Infrastructure Ltd.
Chaudhary Group-Nepal
COPYRIGHT: MIDDLEMODI HYDROPOWER LIMITED (2014)
check us on:
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About Us - Middlemodi Hydropower Limited
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Projects - Middlemodi Hydroelectric Project
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