Upper Elehera Canal Project, Sri Lanka

Undertook hydrogeological and geophysical investigations to assess subsurface conditions and groundwater potential for the design and construction of 26 dewatering deep tube wells associated with the Upper Elahera Canal Project. The investigation was conducted along the tunnel access route between chainages 33+400 and 33+900, covering the Sigiriya and Diyakepilla areas, during the period of 8–21 April 2025