ROLWALING KHOLA HYDROELECTRIC PROJECT

  • Project Date:05 June 2018
  • Our Team:
  • Client:
  • Categories:Detailed Engineering Study
Description

ROLWALINGKHOLA HYDROELECTRIC PROJECT (22 MW)

Commencement

13th March 2018

Completion

23th Sept 2019

Duration

18 Months

Quick View of the Project (Based on desk study)

Generals

 

The Employer

Upper Tamakoshi Hydropower Limited (UTKHL)

 

The Consultant

NEA Engineering Company Limited

 

Project Location

Dolakha  District,

 

 

Latitudes 27°55’ 14.40” to 27°53’ 30.9”

 

 

Longitudes 86°12’ 59.43” to 86°15’ 17.93”

 

 

Proposed Intake site: Approximately 7 km upstream of the Powerhouse area of Upper Tamakoshi Hydroelectric Project (UTKHEP)(456MW).

 

Proposed Power House site: Downstream of the UTKHEP headworks.

 

Accessibility

RKHEP can be reached on foot in about 5 hours from Chhetchhet along the Gongar Lamabagar road. 

 

 

 

Technical

 

Project Type  :               

         Run of River

Hydrology and Sediment Study

 

Rolwaling Khola

 

Stream flow gauging station

 Near Riku Village  suspension bridge Gauging Station installed by NEA  

 

Catchment Area

299  Km2 (Approx.)

 

Design Discharge

: 13.4 m3/s

Water Conveyance System

 

Type

: Headrace tunnel.

 

Gross Head

: 220.50 m

 

Powerhouse

 
 

Type

: Underground

 

Number of Generating Units

: 2

 

Type of Turbine

: vertical shaft Pelton turbine

 

Installed Capacity

:22 MW

Power and Energy

 

Power

: 22 MW

 

Total Annual Energy

: 118 GWh (Without outage)

Consultant Scope of Works:

  •  Review of the previous study.
  • Detailed Engineering design of Headworks, Settling basin, powerhouse, transmission line and financial, economic and relevant aspects of the project development based on detailed survey and investigations.
  • Preparation of Bid Documents in accordance with FIDIC Contract.