1. Detailed Survey of the Transmission Line
2. Detail Engineering Design of the Transmission Line and Substation
3. Environmental and Social Study
4. Preparation of technical documents
5. Preparation of bid documents

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Jade consult completed the detailed engineering design and tender document preparation of Rawa Khola Hydropower Project (6.5 MW).

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The project is located in Marsyangdi river of Manang and Lamjung District with installed capacity of 125 MW and annual energy generation 892 GWh in average year. The project consist of diversion weir with intake facility to with draw design discharge of 48.7m3/s. There is a surface desilting basin with suitable silt exclusion culvert. Clean water through the desilting basin is conveyed through headrace tunnel of length 3.9km and 4.9m diameter. There is provision of surge shaft at the end of headrace tunnel and water is conveyed to drop shaft of 3m diameter and length of 302.8m which connects to penstock of length 191m. The water through the penstock is trifurcated and fed to the Francis turbine of 41.7 MW rated capacity. The turbine water is again discharged to Marsyangdi River through tailrace tunnel of 4.4m diameter and 165m long. There is open switchyard in front the portal of access tunnel with required facility to transfer voltage to 220kV. The power is planned to be evacuated from switchyard with transmission line of 220kV capacity and 177km length terminating at Butwal hub of NEA. Brief description of Actual Services provided by Jade Consult:

Jade consult provided service such as geotechnical investigation, hydrological investigation, topographical survey, bathymetric survey, sediment analysis, project layout, project optimization study, construction material survey, rate analysis, access road study etc. as required completing the feasibility study of the hydropower project according to guidelines of DoED. The report has been submitted to the DoED. The scoping document and TOR for EIA was also prepared in compliance with Environmental Protection Act 2053 and Environment Protection Regulation 2054.

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The project is located in Trishuli River of Rasuwa district with installed capacity of 216 MW with annual energy generation 1556 GWh in average year. The project consists of diversion weir with intake facility to withdraw design discharge of 76m³/s. There is an underground desilting basin with suitable silt exclusion tunnel. Clean water through the desilting basin is conveyed through headrace tunnel of length 9.7km and 6.5m diameter .There is provision of surge shaft at the end of headrace tunnel and water is conveyed to drop shaft of 6.5m diameter and length of 292m which connects to penstock of length 110m.  The water through the penstock is trifurcated and fed to the Francis turbine of 72 MW rated capacity. The turbine water is again discharged to Trishuli river through tailrace tunnel of 6.5m diameter and 240m long. There is open switchyard in front the portal of access tunnel with required facility to transfer voltage to 220kV. The power is evacuated from switchyard with transmission line of 220kV capacity and 10km length terminating at Trishuli-3B hub, grid connection point allotted by NEA. Brief description of Actual Services provided by Jade Consult:

Jade consult completed feasibility study according to which it provided service such as geotechnical investigation, hydrological investigation, topographical survey, bathymetric survey, sediment analysis, project layout, project optimization study, construction material survey, rate analysis, access road study etc. that is required to complete the feasibility study of the hydropower project according to guidelines of DoED. The report has been submitted to DoED.

Jade Consult also completed EIA study according to which it provided services such as preparation of scoping documents and Terms of reference, baseline study of existing environment, forecasting impact on the environment, identification of mitigation measures, preparation of environmental management action plan, public hearing with stakeholder as per the Environment Protection Act, 2053 and Environment Protection Rule, 2054 to the satisfaction of the line Ministry and Ministry of Environment. The report is already approved by Ministry and copy has been provided to DoED and MoEn.

Jade consult completed IEE study according to which it provided services such as preparation of Terms of reference, Consultation with local stakeholders. Collection of useful social information, suggestions and recommendations from local stakeholders, publication of public notice at the relevant public places, IEE report preparation and IEE study approval.

Also  services provided covers (i) Preparation and Design up to Financial Close Phase, (ii) the Construction phase and (iii) the Operational Phase and will include but not limited to:

1. Technical Appraisal (review of work done to date, site review).
2. Hydrological and sediment studies: Review the results of hydro-logical study and sediment study of the Project site to access its adequacy and reliability.
3. Plant Design: Review technical design criteria, standards applied and their appropriateness, design drawings and technical specifications.
4. Technology: Review and discuss the commercial operating history of each major component and the reliability of major equipment such as turbines and transmission equipment.
5. Review of EPC Contract.
6. Recommendation Amount of Contingent Support.
7. Power Purchase Agreement.
8. Interconnection with NEA System.

Then conducted Desk Study, Conduct Reconnaissance Survey, Identify pre-existing control points (National as well as local points), Traverse survey for carrying the known coordinates to the required area and establish Benchmark points, Conduct detailed route alignment survey, Prepare the plan and profile of the TL route alignment at appropriate scale, Locate angle tower positions, Fix concrete pillars at every angle points and permanent control points, Design of transmission line which includes the conductor optimization, sag calculation, tower type determination, standards & specifications and others, Design of grid connection arrangement for UT-I HEP at Trishuli 3B Hub.

Also the review of basic design which includes alignment study, standards & specifications, Conduct engineering design of the permanent road and other facilities, Carry out hydrological studies & cross drainage works, Preparation of engineering drawings and report including necessary calculation & specifications, Preparation of quantity estimation, Recommendations for construction materials & disposal site.

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The Budhi Gandaki Hydroelectric Project is a storage type project with installed capacity of 1200 MW (6 units of each 200 MW) with operating rated head of 200m, total storage volume of 4500 million m3 and  annual energy generation of 3383 GWh in average year. Budhi Gandaki Hydropower Project is located on the Budhi Gandaki River, approximately 2km from its confluence with Trishuli River at Benighat along the Prithivi Highway and about 80km from Kathmandu. The Proposed Dam is a double curvature concrete arc dam of 263m high and 760m long with six no. of  intake facility to withdraw design discharge of 672m3/s each intake withdraws 112m3/s.). A short headrace tunnel and penstock pipe linking the intake to the powerhouse.

The surface power house is located on the left bank of Budhi Gandaki River approximately 500m downstream of dam. The power is evacuated from switchyard through 400kV double circuit transmission line to proposed 400kV Hetauda Substation and proposed Naubise substation.

Jade Consult has provided following services:

Inception of Assignment; Field Investigation and Data Collection for Engineering Studies; Field Investigation and Data Collection; Hydraulic, Hydrological and Sedimentological Studies; Power Evacuation Study; Finalization of Design Concept and Engineering Studies; Assessment of Impact of Flow Regulation on Downstream Facilities; Economic and Financial Analysis of the Project; Detailed Design and Tender Drawings; Construction Planning and Scheduling; Detailed Quantity Estimate; Cost Estimate; Preparation of Complete Tender Documents

Field study includes topographical survey, bathymetric survey, survey control networking, transmission line survey as well as LIDAR survey (115km2), geo-technical investigations such as diamond core drilling (about 1800m), dilatometer tests, Plate Jacking Test (6 set of tests in 6 niches), various lab tests including investigation adit (900m), geophysical investigation (ERT 3100m and SRT 7100m),  construction material survey, hydrological, meteorological, Sedimentological Investigation & Hydraulic Model Studies. The complete 25 sets of Feasibility Study, Detail Design Study and Tender Documents has already been submitted to Budhi Gandaki Hydroelectric Development Committee (BGHPDC).

Jade Consult has also completed ESIA study according to which it provided service such as preparation of scoping documents and Terms of reference, baseline study of existing environment, forecasting impact on the environment, identification of mitigation measures, preparation research paper writing service of environmental management action plan, public hearing with stakeholder, Preparation of Land Acquisition & Resettlement Action Plan (LARRAP), Preparation of Public Consultation Disclosure Plan (PCDP) and

Indigenous People/Vulnerable Community Development Plans (IPVCDP) as per the Environment Protection Act, 2053 and Environment Protection Rule, 2054 to the satisfaction of the line Ministry and Ministry of Environment. The final report after incorporating comments has already been submitted to to Budhi Gandaki Hydroelectric Development Committee (BGHPDC) and is in the process of approval.

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The Upper Lapche Khola Hydropower Project (ULKHP) is a run-of-river hydropower project proposed along the Lapche khola in Dolakha District, of Janakpur Zone. The project area lies within Lamabagar Village Development Committees (VDC). Energy Venture (P.) Limited (EVPL) holds the survey license for this project. The project is located about 32km upstream from the under construction 456MW Upper Tamakoshi Hydropower Project. Brief description of Actual Services provided by Jade Consult:

Detailed Engineering Design, which also includes Access road and Transmission line survey and design along with Bid Document Preparation of Upper Lapche Khola Hydropower Project (52MW).

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The project is located in Seti river of Kaski district with installed capacity of 32 MW and annual energy generation of 167.56 GWh in average year. The project consists of diversion weir with intake facility to with draw design discharge of 15.3m³/s. There is a surface desilting basin with suitable silt exclusion culvert. Then the flow will be conveyed by a 3.6km long and 3.4m dia. Headrace tunnel after the desilting facilities. There is provision of surge shaft at the end of headrace tunnel and water is conveyed to drop shaft of 6m diameter and length of 35m. Steel penstock pipe of length 808m bifurcates and conveys the design flow to 3 units of horizontal axis Francis turbines installed in the powerhouse located on the right bank of the river. The turbine water is again discharged to Seti River through tailrace channel of 3.2m X 3.5m size and 65m long. There is open switchyard of approximate area 50m X 40m. The generated power will be evacuated from switchyard through the transmission line of single circuit, 132kV capacity and 9.34km length terminating at Lahachowk substation allotted by NEA.

Brief description of Actual Services provided by your staff:

Jade consult completed the detailed engineering design and tender document preparation according to which it provided service such as collection of basic information/data through field surveys, investigations and laboratory tests, review of basic design which includes alignment study, review the results of hydrological study and sediment study of the project site to access its adequacy and reliability, detail power evacuation study, recommendations for construction materials & disposal site.

Detailed engineering design including underground support design, design of access road and transmission line and tender drawings, construction planning and scheduling, detailed quantity estimate, cost estimate and  preparation of complete tender documents (civil works, hydro-mechanical works, electro-mechanical works and transmission line works) was provided.

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The project is located in Seti river of Kaski district with installed capacity of 20 MW and annual energy generation of 109.12 GWh. The project consist of a broad crested diversion weir with side intake facility to with draw design discharge of 12.41m³/s. There is a surface desilting basin with suitable silt exclusion culvert. Then the flow will be conveyed by a 95.8m, 2.6m dia headrace pipe and 2511.3 m long headrace tunnel with finished diameter of 3.2m after the desilting facilities. There is provision of surge shaft at the end of headrace tunnel and water is conveyed to drop shaft of 6m diameter and length of 27.67m ending in a horizontal pressure tunnel of 55m. Steel penstock pipe of length 428.8m bifurcates and conveys the design flow to 3 X 6.82 units of vertical axis Francis turbines. The turbine water is again discharged to Seti River through 2.8m X 2.8m box culvert of 185m length. The generated power will be evacuated from switchyard through a 16km transmission line of 132kV capacity, terminating at Lahachowk substation allotted by NEA.

Jade consult completed feasibility study according to which it provided service such as field investigation and data collection for engineering studies like geotechnical investigation, hydrological investigation, topographical survey, bathymetric survey, sediment analysis, project layout, project optimization study, power evacuation study, construction material survey, rate analysis, access road study, economic and financial analysis of the Project etc. That is required to complete the feasibility study of the hydropower project according to guidelines of DoED

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