Topographic Survey and Mapping for Detailed Engineering Study of Betan Karnali Hydroelectric Project
Project: Betan Karnali Hydroelectric Project
Assignment: Topographic Survey and Mapping for Detailed Engineering Study of Betan Karnali Hydroelectric Project
Location: Surkhet and Achham District, Nepal
Client: ITECO Nepal (P) Ltd.
Duration: April 2018 to June 2018
Project Description: Betan Karnali Hydroelectric Project is a Peaking RoR project of installed capacity of 688 MW. The project is located in the border of Achham and Surkhet district. Its proposed headwork is located around 10 km from Lyati Bindraseni. The project has approximate catchment area of 22,555 km2 and uses design discharge of 373.10 m3/s at 50% probability of exceedance. It generates total annual energy of 4377.87 GWh
Scope of Services:
1. Establishment of Benchmarks and Transfer of Control Points in headworks, surge tank, adit portals and powerhouse area;
2. Detailed Topographic Survey and Mapping of total of around 160 ha area in the scale of 1: 1000;
3. Carry out river cross-section survey and longitudinal survey in the dam site, powerhouse and tail race outlet location covering 500m u/s and 500m d/s in both headworks and powerhouse/tail race outlet location; and
4. Mapping and Preparation of Survey Reports in the scale of 1: 1000 having 1 m contour interval in standard format (Main Report and Drawings/Survey Maps).
5. Equipment Used:
a. Differential Global Positioning System Sets- 3sets with accessories;
b. Total Station- 3 sets with accessories;
c. Camping facilities