EI Maven Team Establishing control points using DGPS for Upper Nyasim (43MW) & Upper Nyasim a (21MW) Hydropower Project. Using DGPS for control point establishment is now a days know to be the most cost efficient way to achieve required accuracy in topographic survey works. EI Maven Pvt. Ltd. has been involved in the project as Main Consultant for Detail Engineering Design including Field investigations. Know More About the Project